Wireless localization method and wireless positioning apparatus

Vertical white wine exhibiting and selling cabinet

The utility model discloses a vertical white wine exhibiting and selling cabinet, which comprises a cabinet body, a cabinet door and cabinet supporting legs. Three cabinet bins are disposed in the cabinet body, the cabinet door is provided with three faucet openings, white wine barrels are placed in the cabinet bins, faucets are arranged at the bottoms of the white wine barrels and can extend out via the faucet openings, and locking parts matching with each other are disposed on both the cabinet body and the cabinet door. The vertical white wine exhibiting and selling cabinet has the advantages that (1), the three cabinet bins which are arrayed vertically can save exhibiting area to the greatest extent, (2), the vertical white wine exhibiting and selling cabinet is attractive and elegant and is fine in exhibiting effect, and (3), multiple types of products can be exhibited and sold simultaneously by the aid of the three cabinet bins.

Spraying gun without backblow

Multi-lane overspeed detecting system based on field programmable gate array (FPGA)

The invention relates to a multi-lane overspeed detecting system based on a field programmable gate array (FPGA), belonging to an industrial measurement and control technology and a video and image processing technology. In the multi-lane overspeed detecting system, an FPGA chip is utilized as an acquiring and processing unit of two paths of digital images to realize signal detection and remote image transmission for violated overspeed vehicles. The signal sources of the system are two paths of charge coupled device (CCD) analog video signals which are converted into digital video signals after entering an analog-to-digital (A/D) converter. The multi-lane overspeed detecting system provided by the invention is characterized in that the FPGA operates a detecting algorithm for detecting whether a vehicle passes; when the first path of video signal detects that the vehicle passes, the time when the vehicle enters a monitored area is obtained; next, at the moment when a second path video end ...

Method and system for communication between mobile terminal and Internet

The invention provides a system for communication between a mobile terminal and the Internet, which comprises a grid local area network, a grid access device and a mobile communication network, wherein the grid local area network is used for receiving data sent by the mobile terminal and sending the data to the grid access device; the grid access device is used for grouping the received data and forwarding the grouped data to the mobile communication network by link parallel transmission technology; and the mobile communication network is used for receiving the data sent by the grid access device and transmitting the data to the Internet. The invention provides a method for communication between the mobile terminal and the Internet. The method provides stable and high-speed wireless network access for the mobile terminal; the system has the characteristics of convenient deployment, flexible network deployment and easy maintenance; and the link parallel transmission technology flexiblyadjusts ...

Method for preparing zinc-oxide quantum-dot modified heat-conducting organic silica gel

The invention relates to a method for preparing zinc-oxide quantum-dot modified heat-conducting organic silica gel, which belongs to the technical field of semiconductor optoelectronic device packaging materials. The method comprises: adopting a sol-gel method to prepare zinc-oxide quantum dots; compounding zinc-oxide quantum dots dispersed in an organic solvent with organic silica gel; adopting alpha, omega-dihydroxy polydimethyl diphenyl siloxane as an organic silica gel matrix; ensuring that the mass proportion of the addition amount of ZnO to an organosilicon matrix is between 0.2:100 and1.0:100; adding tetraethoxysilane serving as a curing agent and dibutyltin dilaurate serving as a catalyst in addition; continuously stirring at room temperature to mix materials well; pouring mixture into a die; removing bubbles under vacuum; curing the obtained product for 8 to 10 hours; and finally obtaining the zinc-oxide quantum-dot modified heat-conducting organic silica gel. The packaging silica ...

Indoor wireless locating system and arithmetic

The invention relates to an indoor wireless locating system which uses a locating arithmetic based on the combination of indoor power detection and historical data matching to confirm the position of a tracking object. A locating method of the system not only can reduce the reconstruction on the original wireless network and facilitate the disposition of operators, but also simplifies the use link of users and enables the system to be used by only installing a client terminal on a wireless terminal, thereby being easier for the users to accept and convenient to popularize. In addition, the working distance between a wireless access point and the wireless terminal is the same as the distance covered by a wireless local area network and can reach 70 meters in radius, and the users do not need to know the position of the access point during using the system, thereby facilitating the users and further being easier for the operators to dispose the position of the access point.

A power supply system, adapter and application equipment

Method for de-coloring soybean polysaccharide

The invention discloses a method for de-coloring soybean polysaccharide, particularly a method for de-coloring the extract of soybean polysaccharide by ion exchange resin. The method comprises the following concrete steps: (1) preparing soybean extract; and (2) allowing the soybean extract to pass through a diatomite layer, further conducting the ion exchange chromatography on the soybean extractby using ion exchange columns, and drying to obtain the required soybean polysaccharide. By de-coloring the extract of soybean polysaccharide by the ion exchange resin, the invention can remove the pigment and organic impurities in soybean polysaccharide; the obtained soybean polysaccharide has the advantages of pure-white and fine color, low protein content and high purity; in addition, by de-coloring the extract of soybean polysaccharide by ion exchange resin, the invention can further simplify the treatment procedure, specifically, the good de-coloring effect can be achieved by only passing through ...

Direct interface method of USB 3.0 bus and high speed intelligent unified bus

The invention discloses a direct interface method of a USB (universal serial bus) 3.0 bus and a high speed intelligent unified bus which is used for solving the technical problem of low interconnection speed between the existing USB 3.0 bus and other buses. The technical scheme comprises the following steps: analyzing the standard of USB 3.0 through designing a USB 3.0 controller, receiving the effective data on the USB 3.0 bus correctly and completely, and receiving and transmitting the intelligent bus data at a high speed by utilizing a fiber channel through the high-speed transceiver SerDes; using a high-speed buffer storage to realize buffer storage of bidirectional data; and using a clock control module to realize clock exchange of buses with different speeds, thus high-speed reliable and effective transmission of two kinds of bus data is realized.

Terminal location method and device based on cell identifier location technology

The invention discloses a terminal location method and a terminal location device based on a cell identifier location technology for solving the low location precision problem of a cell-ID location technology and an improved technology thereof provided in the prior art. The method comprises the following steps of: acquiring an identifier of a first area where a terminal to be located is positioned currently; determining the reference position information and the modified position information of the first area corresponding to the identifier of the first area from the corresponding relation ofthe pre-stored identifier of the first area, the reference position information of the first area, and the modified position information of the first area, according to the identifier; wherein the modified position information is determined based on the pre-counted historical recording data of the terminal appeared in the first area before; and determining the position information of the terminalto ...

Field programmable gate array (FPGA)-based vehicle flow rate detection system

The invention relates to a field programmable gate array (FPGA)-based vehicle flow rate detection system, and belongs to a signal processing technology, a control technology and a video image processing technology. An FPGA chip is used as a digital image acquisition and processing unit, so that signal detection for judging whether a vehicle passes through a region of interest in a sequence image is realized, and a detection result is counted in a period of time to acquire vehicle flow rate data. The system is characterized in that: hardware logic established by an FPGA is utilized to process a digital image so as to give the determination of the passing possibility of the vehicle, and the number of passing vehicles in a fixed period of time is detected, so that hardware converting of an image processing algorithm is realized without core processors such as a computer, a digital signal processor (DSP) and the like.

Traditional Chinese medicine feed addictive for controlling degradation of laying rate of chicken

The invention relates to a traditional Chinese medicine feed addictive for controlling the degradation of the laying rate of chicken, which is powder prepared from the following raw materials in parts by weight: 4-6 parts of dyer woad leaf, 4-6 parts of cyrtomium fortunei, 7-9 parts of leonurus heterophyllus, 2-4 parts of fructus ligustri lucidi, 2-4 parts of fllase asiabelI root, 2-4 parts of astragalus root and 1-3 parts of liquorice. The traditional Chinese medicine feed addictive is prepared by crushing and mixing the raw materials. The invention is used for controlling the degradation of the laying rate of chicken, has favorable effect, and also has the characteristics of convenient use, safety and no medicine residue.

Method and device for sending data

The invention discloses a method and a device for sending data, belonging to the field of cable television video-on-demand technologies. The method comprises the following steps: opening each program file, wherein each program file carries a plurality of program data packets and a plurality of program clock reference time code packets; reading the program data packets of one program clock reference cycle from each program file, and taking the read program data packets as the current program data packets; calculating the real-time code rate of the current program data packets; when the calculated real-time code rate is smaller than the preset bandwidth threshold, filling empty packets in the current program data packets and obtaining multiplex data; and carrying out uniform distribution treatment on the multiplex data, and generating and sending the multiplex data packets. The device comprises an opening module, a reading module, a calculating module, a filling module and a uniform distribution ...

Filter head apparatus of nuclear plant desalting device

The invention relates to a filter head apparatus of a desalter used for a nuclear power plant which is a part of a water treatment equipment of the nuclear power plant and belongs to the water treatment field. The apparatus is mainly characterized by the improvement to the structure of existing sheet-superposed type filter head apparatuses, in particular to the structure improvement of filter tubes formed by a plurality of superposed sheets which is changed into an integrated structure formed by processed water-filtering apertures and isolating ribs. The invention has high intensity and no welding distortion, and can be finely processed by a machine tool with steady apertures and high accuracy, thus guaranteeing the flow aperture and enhancing the quality of purified water. The filter head apparatus of the invention can displace the existing sheet-superposed filter head apparatus.

Medicine for treating trypanosome disease

The present invention relates to a medicine for curing tryanosomosis. It is characterized by that the effective components of said medicine are arteannuin or its derivative and quinine derivative, their weight ratio is 1-20:1-10.

Device housing responsive to an environmental stimulus

Method and device for charging one-card multi-number voice service

The invention discloses a method for charging a one-card multi-number voice service, which comprises the following steps: obtaining a called-place number used by a user in the calling process; judging whether the user is a prepaid expense user according to the obtained called-place number; when the user is the prepared expense user, obtaining charge information from a home network of the user according to a home number of the user; and calculating the expense generated in the calling process according to the obtained charge information, and informing the home network of the user to deduct theexpense from a home number account of the user. Correspondingly, the invention also discloses a device for charging the one-card multi-number voice service. The method and the device can achieve the charging of an international one-card multi-number voice service for the prepaid expense user.

Method and device for charging one-card multi-number voice service

The invention discloses a method for charging a one-card multi-number voice service, which comprises the following steps: obtaining a called-place number used by a user in the calling process; judging whether the user is a prepaid expense user according to the obtained called-place number; when the user is the prepared expense user, obtaining charge information from a home network of the user according to a home number of the user; and calculating the expense generated in the calling process according to the obtained charge information, and informing the home network of the user to deduct the expense from a home number account of the user. Correspondingly, the invention also discloses a device for charging the one-card multi-number voice service. The method and the device can achieve the charging of an international one-card multi-number voice service for the prepaid expense user.

High-density floated gyro strap-down inertial measurement unit

The invention discloses a high-density floated gyro strap-down inertial measurement unit, which comprises a shell bracket (1). The shell bracket (1) is provided with X, Y and Z gyroscope mounting planes and three accelerometer mounting planes respectively; the gyroscope mounting planes are provided with floated gyroscopes; the accelerometer mounting planes are provided with quartz flexible accelerometers; the shell bracket (1) is also provided with a secondary combination power supply (2) and a circuit board; the secondary combination power supply (2), the circuit board, the floated gyroscopes and the quartz flexible accelerometers are connected through internal cables to form a measurement circuit; and the shell bracket (1) is in sealing connection with a cover board (3) through a bolt. The invention provides the high-density floated gyro strap-down inertial measurement unit to meet the requirements of a tactical missile system on small volume and good anti-vibration property of the strap-down ...

Epoxy silsesquioxane/epoxy resin hybridized glue for packaging photoelectric devices and preparation method thereof

The invention relates to epoxy silsesquioxane/epoxy resin hybridized glue for packaging photoelectric devices and a preparation method thereof. The hybridized glue is prepared by mixing substrate resins, a curing agent and other components, wherein other components comprise the following materials in mass percentage: 12%-18% of modified epoxy silsesquioxane, 36%-42% of bisphenol A type epoxy resins, 30%-38% of polyamide, 5%-10% of N,N-diaminodiphenyl-methane and 0.5%-1.5% of triethylamine, and the structural formula of the modified epoxy silsesquioxane is shown in the specification, wherein Ris shown in the specification. The epoxy silsesquioxane synthesized in the method has high molecular weight, the maximum-average molecular weight reaches 1.1*10<6>, and the weight-average molecular weight reaches 1.21*10<6>. The prepared glue has the advantages of the epoxy silsesquioxane and the epoxy resins and has good heat resistance, cold resistance and corrosion resistance, high bonding performance ...

Chinese herbal immunopotentiator for chicken

The invention relates to a Chinese herbal immunopotentiator for chicken as oral liquid comprising the following raw materials in parts by weight: 4-5 parts of Echinacea purpurea, 2-4 parts of hoantchy root, 0.5-1.5 parts of rhodiola root, 1-3 parts of Dangshen and 0.5-1.5 parts of liquorice. The Chinese herbal immunopotentiator for chicken is prepared by the following steps of: crashing the raw materials, mixing, boiling with water for leaching, concentrating and encapsulating. The Chinese herbal immunopotentiator for chicken has better effects of reinforcing the disease resistance and the disease prevention of chicken and increasing immunizing power.

DEVICE HOUSING RESPONSIVE TO AN ENVIRONMENTAL STIMULUS

Multilayer composite metal oxide catalyst and preparation method thereof

The invention relates to a multilayer composite metal oxide catalyst. The multilayer composite metal oxide catalyst has the general formula as follows: Mo[a]Bi[b]Ni[c]Cs[d]Cu[e]Ti[f]A[g]B[h]C[i]O[j], wherein Mo is molybdenum, Bi is bismuth, Ni is nickel, Cs is cesium, Cu is copper, and Ti is titanium; A is at least one element selected from arsenic, tellurium, manganese, cerium, niobium, zirconium, rubidium, cadmium and germanium; B is at least one element selected from cobalt, boron, strontium, tantalum, alkali metal and alkaline earth metal; C is at least one element selected from vanadium, stannum, gallium, zinc, ferrum, tungsten and stibium; and O is oxygen. The composite metal oxide catalyst has a multilayer structure in which the concentrations of all the elements are reduced progressively from a matrix at the inner layer to the outer layer. The catalyst provided by the invention can effectively reduce the local heat accumulation of single pipe reactors and inhibit the formation of ...

Hircine primary atypical pneumonia combined inactivated vaccine and preparation method thereof

The invention relates to a hircine primary atypical pneumonia combined inactivated vaccine and a preparation method thereof. The preparation method comprises the following steps of: a. a culture medium for vaccine preparation and a preparation method thereof: using an improved KM2 culture medium as the culture medium for vaccine preparation; b. a procedure for propagating mycoplasma; c. a procedure for inactivating the mycoplasma; and d. a vaccine preparation procedure: using the one-step emulsion process to prepare bi-phase oil emulsion vaccine; the liquid-phase composition: accounting for 45-50% of the total amount of the vaccine, and adding 1% Merthiolate solution which accounts for 1% of the total amount of antigens after mixing protonema mycoplasma hircine subspecies and ovine mycoplasma pneumoniae inactivated antigens in a ratio of 1:1; the oil-phase composition: accounting for 50-55% of the total amount of the vaccine and containing ISA206 oil adjuvant; and emulsifying into a water ...

Multiple spectral section continuous tuning high resolution infrared laser spectral measuring system and method

A spectrum measurement system with multi-spectrum section in infrared laser continuous tuning and high-resolution type is prepared as forming near infrared spectrum subsystem by ECDL laser, laser power supply, gas absorption pool, near infrared photoelectric detector, data collection- process circuit and computer; forming intermediate infrared spectrum subsystem by ECDL laser, DFB laser, laser power supply, 1/2 wave plate, beam combination mirror, achromatic glued mirror, PPLN nonlinear crystal, CaF2 lens, Ge filtering plate, non-spherical surface mirror, gas absorption pool, MCT photoelectric detector, etc.

Multi-session control method and control server

The invention relates to a multi-conversation control method, which comprises: receiving downstream data flow of the multiple conversations; and extracting a downstream data flow of conversation with highest priority from the multiple ones to transmit. The invention further relates to a control server, which comprises: a first reception module for receiving the downstream data flows of conversation; a selection module for extracting a downstream data flow of conversation with highest priority from the multiple ones, when the first reception module receives downstream data flows of the multiple conversations; and a transmission module for transmitting the selected downstream data flow of conversation. The invention realizes extracting one conversation data flow from the concurrent multiple ones to transmit, and improves data flow control mechanism in multiple concurrent conversations.

Offset litho printing ink solvent oil and preparation method thereof

The invention relates to a solvent oil of ink of offset lithography and a preparation method thereof; wherein, diesel fractions are obtained through deep hydrotreatment of the raw material of the reduced pressure fractions of the naphthenic base oil; fractions of 250 to 310 DEG C are obtained through the precise fractionation cutting, and fractions of paraffin-base diesel are originally alkali washed to settle out the refined diesel; fractions of 250 to 310 DEG C are cut through the precise fraction and then the fractions of the obtained paraffin-base and naphthenic base of 250 to 310 DEG C are concocted uniformly according to the weight ratio of 4:6 to 6:4 at normal temperature and pressure to obtain the product. The solvent oil of the ink has the advantages of short distillation range, low aromatic content, high flashing point, light color, good resin solubility, good ink fluidity and excellent transitivity and fast solvent release, good high temperature stability, excellent net point ...

Fast high-efficiency control playing method for cable television VOD system

The invention provides a method which belongs to the CATV VOD technical field. The method is used for controlling the CATV VOD system rapidly and efficiently. The method includes steps as follows: 1. reading an original video file from scratch; 2. analysing processing the video file and generating files as follows; 3. calculating a playing time point of the present data, and obtaining corresponding video file; 4. writing a video file index, reading the index file and locating the video file; 5. selecting a key picture to write in for every eight when meeting key password; 6. writing the time point corresponding the key picture into the key picture index file; 7. opening the key picture file and playing. The method solves problems of system efficiency consumption in fast forward, fast backward and jumping according with the time point. The method has advantage in control playing rapidly and efficiently.

Method and system for producing LTE PRACH (Long Term Evolution Physical Random Access Channel) baseband signal

The invention discloses a method and a system for producing an LTE PRACH (Long Term Evolution Physical Random Access Channel) baseband signal. The method comprises the following steps of: (1) calculating parameters required by the production of the LTE PRACH baseband signal according to the provisions of the LTE protocol; (2) calculating phase values of a DFT (Discrete Forurier Transform) sequence of a leader sequence, writing the phase values into a frequency domain phase buffer memory in sequence, and executing the step (3) after writing ZNC phase values; (3) configuring IFFT (Inverse Fast Fourier Transform) operation not containing an inverse order to be NIFFT (Non Inverse Fast Fourier Transform) in length and a groups and performing a times IFFT (Inverse Fast Fourier Transform) operation of an NIFFT (Non Inverse Fast Fourier Transform) point; and (4) reading data from a baseband signal buffer memory, sending circulation prefixes and entire sequence part, and clearing the frequency domain ...

Chinese herbal medicine preparation against chicken heat shock

The invention relates to a Chinese herbal medicine preparation against chicken heat shock, which is an oral liquid comprising the following components in parts by weight: 2-4 parts of plaster, 2-4 parts of ageratum, 1-3 parts of rhizoma atractylodis, 2-4 parts of hawthorn, 2-4 parts of pine needle, 0.5-1.5 parts of gynostemma pentaphylla and 0.5-1.5 parts of liquorice. The raw materials are crushed, mixed, boiled with water, extracted, concentrated and packaged to obtain the Chinese herbal medicine preparation against chicken heat shock. The invention has sound effect against chicken heat shock.

Vehicle configuration dimension image detection and analysis device based on field programmable gate array (FPGA)

The invention relates to an implementation mode of an inverse perspective mapping (IPM) image processing algorithm based on a field programmable gate array (FPGA), belonging to the field of signal processing technology and control technology. The technical scheme is as follows: an FPGA chip is used as a processing unit of the digital images; and the following characteristic of the FPGA chip is adopted: the hardware logic processing speed is high, and a logic circuit implementing the IPM algorithm is built by logic elements (LE) inside the chip to implement IPM on the images by way of hardware to obtain undistorted two-dimensional aerial images to provide convenience for the subsequent operations such as extraction of the detected characteristics of lanes and the like. The implementation mode has the following prominent advantages: the image processing algorithm adopts hardware; the core processing units such as the industrial personal computer or digital signal processing (DSP) unit and ...

Calling method based on one-card multi-number service and one-card multi-number server

The invention discloses a calling method of a one-card multi-number service, which comprises the following steps: receiving a communication initiation request message sent from a caller; indexing a corresponding relation between a calling number type and a called number format according to the called number format in the communication initiation request message so as to determine the type of the calling number, wherein the type of the calling number comprises a home number type and a visited place number type, and the called number format which corresponds to the home number type is different from the called number format which corresponds to the visited number; when the calling number type is determined to be the home number, transmitting a connect message containing a calling home number as a displayed number to a callee; and when the calling number type is determined to be the visited place number, transmitting a connect message containing a calling visited place number as the displayed ...

Method, system and one-card multi-number platform for realizing voice mail services

The invention discloses a method for realizing voice mail services. The method comprises the following steps that: an actual voice mail number is changed into a virtual number; when a secondary number of a roaming user is used as a called number, and the conditional forwarding is happened, the visited place MSC relays the call to a one-card multi-number platform according to the virtual number; and the one-card multi-number platform relays the call to a voice mail platform of the main number according to the voice mail number to execute the voice mail services. Due to the method, the system and the one-card multi-number platform, the user with one-card multi-number can realize the one-card multi-number services in the visited place network, so that the call interruption caused by the failed execution of the voice mail services of the main number is avoided. The invention also discloses the system and the one-card multi-number platform for realizing the voice mail services.

Method, equipment and system for processing international roaming call of color ring user

The invention discloses a method for processing an international roaming call of a color ring user. The method comprises the following steps: an SRI message for inquiring the routing information of the user is routed to a platform with one card and a plurality of numbers when a call is initiated to a network side number of a user visiting area; the platform with one card and a plurality of numberstransfers the SRI message to a home location register of a network main number of a user home location when the SRI message carries a color ring mark of the network in the user home location; the platform with one card and a plurality of numbers receives a user routing information inquiry response SRI-ACK message returned by the home location register; when the SRI-ACK message carries the color ring service code, the platform with one card and a plurality of numbers deletes a color ring service code and transfers the SRI-ACK message to a mobile switching center of the network of the user visiting ...

Traditional Chinese medicine feed addictive for controlling degradation of laying rate of chicken

The invention relates to a traditional Chinese medicine feed addictive for controlling the degradation of the laying rate of chicken, which is powder prepared from the following raw materials in parts by weight: 4-6 parts of dyer woad leaf, 4-6 parts of cyrtomium fortunei, 7-9 parts of leonurus heterophyllus, 2-4 parts of fructus ligustri lucidi, 2-4 parts of fllase asiabelI root, 2-4 parts of astragalus root and 1-3 parts of liquorice. The traditional Chinese medicine feed addictive is prepared by crushing and mixing the raw materials. The invention is used for controlling the degradation ofthe laying rate of chicken, has favorable effect, and also has the characteristics of convenient use, safety and no medicine residue.

Interface method for satellite navigation receiving system and high-speed intelligent unified bus

The invention discloses an interface method for a satellite navigation receiving system and a high-speed intelligent unified bus, which is used for solving the technical problem that the conventional satellite navigation receiving system cannot directly access the high-speed intelligent unified bus. The technical scheme is that: an ordinary low frequency device is used for level conversion and high-speed intelligent unified bus coding; a high-speed logic device is used for receiving a transmission enabling signal from the high-speed intelligent unified bus; a high-speed dual-port random access memory (RAM) is used for caching data; a selector switch is arranged to switch high and low speed reading-writing clocks of the dual-port RAM; and a data serialization and control unit is used for serializing parallel signals and controlling the transmission of the serial signals to the high-speed intelligent unified bus so as to form an interface for the satellite navigation receiving system and ...

Wireless electronic doorplate, wireless electronic doorplate system and method

Magnetic injection increase and depressurization test system

The invention discloses a magnetic injection increase and depressurization test system which comprises a flow device, a drive device, a buffer device, a magnetic processing device and a constant temperature device, wherein the flow device is used for placing a test rock core and supplying ring crush to the test rock core; the drive device is used for supplying different displacement pressures or liquid flow rates to the test rock core; the buffer device is used for storing water for test, and the drive device drives the water for test to the rock core; the magnetic processing device is used for supplying different magnetic field strengths to the test rock core; the constant temperature device is used for supplying constant temperature to the test rock core; the drive device sets the displacement pressure or the liquid flow rate and drives the water for test in the buffer device to flow through the magnetic processing device, and then the water for test is pressed to the test rock core in ...

Explosion-proof permanent-magnet brushless DC motor

The present invention relates to an explosion-proof permanent-magnet brushless DC motor and comprises a motor body and a motor controller. The motor body is a permanent-magnet brushless DC motor; a permanent-magnet rotor alnico and a stator winding are arranged in the motor body; the stator winding overhang is provided with a position transducer of rotor alnico; the position transducer of rotor alnico is connected with the motor controller; an explosion-proof shell is arranged outside the motor body and the motor controller to form an integrative explosion-proof structure for the motor body and the motor controller. The brushless DC motor overcomes the problems of switching spark, electromagnetic interference, poor reliability, and so on, which are caused by the dependence on mechanical electrical brush in the prior art, and has the advantages of no switching spark, no electromagnetic interference, no rotor loss, security, excellent explosion-proof performance, high reliability, long service ...

Method, system and device for realizing user terminal service

The invention discloses a method for realizing user terminal service, which comprises the steps of: obtaining service request information of a user terminal by a UCBS platform through a USSD (Unstructured Supplementary Service Data) request of the user terminal, and sending a service request to a corresponding service platform according to the information of service request of the user terminal to complete the service request of the user terminal, thus the user terminal can use the USSD request to smoothly use relevant domestic services during international roaming.

在硅片上复合ZnO纳米线的半导体基板材料及其制备方法

The invention relates to a compound semi-conductor base board material for growing ZnO nanometer line vertically on the substrate and the manufacturing method. The semi-conductor base board material includes substrate and its surface coat, the substrate uses silicon plate, the surface coat uses the carbon skeleton formed by high molecular ligand as winding network, and grows ZnO crystal on its surface. The manufacturing method is: the high molecular ligand liquid and the zinc salt liquid are blended together with a proper proportion, carries on complexation reaction under a fixed temperature and forms the ligand complex, the complex is coated on the silicon plate, in the oxygen, they are heated for 0.25-6 hours under temperature of 300-600deg.C, the product can be acquired after being cooled naturally.

VHF (Very High Frequency) omnidirection range receiving system and high-speed intelligent unified bus interfacing method

The invention discloses a VHF (Very High Frequency) omnidirection range receiving system and a high-speed intelligent unified bus interfacing method which are used for solving the technical problem that the existing VHF omnidirection range receiving system can not be directly accessed to a high-speed intelligent unified bus. The invention has the technical scheme that a high-speed double-port RAM(Random Access Memory) is adopted to cache data; a selective switch is arranged to switch the high and low speed read-write clock of the double-port RAM; and parallel/serial data conversion and a control unit are adopted to carry out the serial switching on parallel signals and control the transmission of serial signals to a high-speed intelligent unified bus, thereby realizing the interfacing ofthe VHF omnidirection range receiving system and the high-speed intelligent unified bus.

Method for preparing block nano ZnO material

The invention relates to a method for preparing a block nano ZnO material, and belongs to the technical field of semiconductor photoelectric nano materials. The method comprises the following steps of: ultrasonically cleaning a polyester (PET)-based tin doped indium oxide (ITO) substrate in acetone, ethanol and distilled water respectively, and reacting zinc nitrate or zinc acetate and aqueous solution of hexamethylenetetramine in a reaction kettle at the temperature of between 75 and 95 DEG C; and finally growing the block nano ZnO material on the substrate. The method has the advantages of simple equipment, convenience for operating and low manufacturing cost. The prepared nano ZnO material has a square nano structure with side length of 50 to 100 nanometers, has obvious edge property between sides, and can be used in the field of field emission display devices.

Charging method of one-card multi-number short message business, device and system thereof

The invention relates to the technical field of mobile communication, in particular to a charging technology of one-card multi-number short message business. The invention provides a charging method of the one-card multi-number short message business, a device and a system thereof, which are used for realizing the real-time charging for the international one-card multi-number short message business of a prepaid user. The charging method comprises the steps that: RNM equipment receives a short message from a business user and determines the major number of the business user according to the short message, and the business user is simultaneously configured with the major number of the ascription place network and the minor number of the visiting place network; and when the business user is determined to be the prepaid user according to the major number, the communication fee produced by the short message is calculated and the charging system of the ascription place network is notified to ...

Device for detecting chemical oxygen demand in water mass through ozone oxidation-chemoluminescence method

This invention discloses one kind of ozone oxidation chemical irradiance method to measure the oxidation needed by water, which belongs to pollution water monitoring technique. The characteristics of the invention: using the solving ozone in the water phase as oxidation agent; the fluid injection works as sampling reaction system; the chemical irradiance works as measurement means to monitor the chemical oxidation in the water. The water device comprises three parts: ozone oxidation generator, fluid injection reaction system and measurement and data process system.

Set top box surfing the net through coaxial cable and supporting wireless network

The invention discloses a set top box surfing the net through a coaxial cable and supporting a wireless network, comprising an intelligent card circuit, an SDRAM (Synchronous Dynamic Random Access Memory), an FLASHROM (Flash Read Only Memory), an EEPROM (Electrically Erasable Programmable Read-Only Memory), a USB2.0 interface, a net gape, a PHY (Physical Layer), a reset circuit, a front control plate, a high-frequency head, an audio processing module, a video processing module, an HPF (High Pass Filter), an LPF (Low-Pass Filter), a spliter, a CMTuner (Centimeter Tuner), the FLASHROM (Flash Read Only Memory), the EEPROM (Electrically Erasable Programmable Read-Only Memory), the SDRAM (Synchronous Dynamic Random Access Memory), a wireless module and an antenna. Network transmission is carried out through the coaxial cable and one signal wire is shared with a television signal, thereby conveniently and easily meeting the requirements of users on television watching and net surfing, preventing ...

Pipeline cleaning and disinfecting vehicle for central air-conditioner

The invention relates to a cleaning and disinfecting vehicle for a central air-conditioning pipe, including a vehicle chassis, a walking mechanism, a cleaning mechanism and a disinfection interface; wherein, the walking mechanism is arranged under the vehicle chassis; the cleaning mechanism is arranged on the vehicle chassis; the walking mechanism comprises four mechanical legs, a pedrail foot and a walking and driving motor; each mechanical leg comprises an upper sprocket, a chain, a lower sprocket, a first transmission rod, a second transmission rod and a drive wheel; wherein, the drive wheel is in transmission connection with the pedrail of the pedrail foot; the walking mechanism also comprises two swaying mechanisms which are arranged between two mechanical legs respectively at the front and the back of the vehicle chassis; the swaying mechanism comprises a swaying motor, a drive gear, a driven gear and a screw transmission rod; the lower side of the screw transmission rod is sleeved ...

Method, device and system for dispatching Cache

The invention discloses a method, a device and a system for dispatching Cache, belonging to the field of a cable television. The method comprises the following steps: a file management system (FMS) is used for receiving the request for acquiring a data block coming from a terminal, and an identification code ID of the data block is carried by the request; the FMS can search local Cache nodes according to the ID; if the data block corresponding to the ID is searched out, the FMS returns the data block to the terminal; if the data block is not searched out, the FMS finds out the Cache nodes for caching the data block from a network according to the ID; if the Cache nodes are found out, the data block is acquired from the Cache nodes and sent to the terminal; if the Cache nodes are not found out, a physical device storing the data block is found out; the local Cache node receives the data block sent by the Cache node corresponding to the physical device and caches the data block; and the FMS ...

Real-time image segmentation processing system and high-speed intelligent unified bus interface method based on Institute of Electrical and Electronic Engineers (IEEE) 1394 interface

The invention discloses a real-time image segmentation processing system and a high-speed intelligent unified bus interface method based on an Institute of Electrical and Electronic Engineers (IEEE) 1394 interface, which are used for solving the technical problem that the speed of the real-time segmentation processing which is carried out on camera image data streams of an IEEE 1394 camera by using an existing image processing system is low. The technical scheme is as follows: an IEEE 1394 controller is designed to analyze the IEEE 1394 bus protocol of the high-speed camera; effective image data are received in accordance with image frame synchronizing signals; a parallel image processing hardware structure is built in an field programmable gate array (FPGA); Sobel edge detection, threshold segmentation and morphology corrosion processing are adopted to realize the real-time segmentation processing on the high-speed image data streams; the processed result images are forwarded at a high ...

Method and device for selecting visible base station as well as method and device for locating terminal

The invention discloses a method and device for selecting a visible base station, and the method and device provided by the invention are used for solving the problem that the location precise is low when the base station selected by using a visible base station selecting method which is provided by the prior art locates a terminal. The method for selecting the visible base station disclosed by the invention comprises the following steps: respectively determining statistical parameter values of wireless signals sent by various base stations according to the signal strength of the wireless signals which are sent by various visible base stations and received by a terminal to be located and a statistical probability distribution rule to which the wireless signals are amenable; according to the statistical parameter values, determining relativity values among the wireless signals sent by different visible base stations; and according to the determined relativity values, selecting the visible ...

Methods for eliminating intra-cell interference and inter-cell interference in TD-SCDMA system

The invention discloses a method for effectively eliminating intra-cell interference and inter-cell interference in a TD-SCDMA system. TD-SCDMA adopts smart antenna and multi-user joint detection technology and is a mobile communication standard with proprietary intellectual property rights. The smart antenna SA technology is to receive and transmit a signal by dynamically tracking the shaped wave beam of a potential user to greatly reduce the inter-cell interference in the system. 3G technology is characterized by high data speed and complex performance characteristic and requires smart antennae to provide accurate and flexible interference control. The intra-cell interference comprises multi-access interference and inter-code interference. Joint detection technology JD is an excellent multi-access and inter-code interference prevention technology. The combination of the SA technology and the JD technology can reduce interference and therefore improve system capacity, obtain high frequency ...

System for automatically monitoring illegally-parking vehicles and compressed transmission based on field programmable gate array (FPGA)

The invention relates to a system for automatically monitoring illegally-parking vehicles and compressed transmission based on field programmable gate array (FPGA), belonging to the signal processing technology, the communication technology and the video image processing technology, and realizes automatic detection and image remote transmission on illegal parking vehicles in a detecting area by utilizing an FPGA chip as a digital image collection and processing unit. In the system, a monitor area in a charge coupled device (CCD) video image is determined according to an actual application environment, and firstly, a background image of an interested area is saved when monitoring is started; then, when each frame comes, the fact that whether a vehicle comes or not is judged according to the difference of the current frame and the background frame; a timer is started when a vehicle comes, if the difference constantly exists in a regular period, a vehicle is judged to be illegally parked in ...

Method and device for realizing information sharing between SCADA and GIS

The invention discloses a method for realizing information sharing between data collection and monitoring system and geographic information system. The method includes the following steps: taking one of the data collection and monitoring system and the geographic information system as a model export party, converting an electric system model inside thereof into an electric system model document meeting public information model regulations; transmitting the converted electric system model system into another system from the data collection and monitoring system and the geographic information system as the model export party; the model export party resolves the electric system model document according to the public information model regulations and converts the data obtained through resolving into an electric system model inside the model export party. The invention can meet the regulation of physical isolation required in General Framework for Secondary System Safety Protection of National ...

Software-based program scrambling method for VOD system of cable television

The invention provides a program scrambling method used in CATV VOD video on demand system based on software which belongs to CATV video on demand technique field. A first step is that a transcoding module converts video sources with various route into VOD video file needed by VOD video system on demand; a second step is that an encrypted module scrambles VOD video file; a third step is that the file is stored; a fourth step is that a video is played, the user terminal de-scrambles and plays the program using a key sent down by a front end. The method solves problems that free flow playing of the existing VOD video program on demand is easy to be decoded and the front end encrypt has more cost. The method realizes VOD video program scrambling in manner of software scrambling with less cost and saves VOD project cost.

Interface method for mode S responder and high-speed intelligent unified bus

The invention discloses an interface method for a mode S responder and a high-speed intelligent unified bus, which is used for solving the technical problem that the conventional mode S responder cannot be directly switched in the high-speed intelligent unified bus. The technical scheme is that: a mode S responder signal is input at a low speed and is output at a high speed for realizing conversion from a low-speed ARINC429 signal to a high-speed intelligent unified bus signal. In the method, the common low-frequency device is adopted to carry out level conversion and high-speed intelligent unified bus coding; a high-speed logic device is adopted to receive a transmission enabling signal of the high-speed intelligent unified bus; a high-speed double-port random access memory (RAM) is adopted to cache data; an option switch is arranged for switching a high-speed read-write clock of the double-port RAM; and a parallel-to-serial data conversion and control unit is adopted to carry out serial ...

Set top box surfing the net through coaxial cable and supporting wireless network

The invention discloses a set top box surfing the net through a coaxial cable and supporting a wireless network, comprising an intelligent card circuit, an SDRAM (Synchronous Dynamic Random Access Memory), an FLASHROM (Flash Read Only Memory), an EEPROM (Electrically Erasable Programmable Read-Only Memory), a USB2.0 interface, a net gape, a PHY (Physical Layer), a reset circuit, a front control plate, a high-frequency head, an audio processing module, a video processing module, an HPF (High Pass Filter), an LPF (Low-Pass Filter), a spliter, a CMTuner (Centimeter Tuner), the FLASHROM (Flash Read Only Memory), the EEPROM (Electrically Erasable Programmable Read-Only Memory), the SDRAM (Synchronous Dynamic Random Access Memory), a wireless module and an antenna. Network transmission is carried out through the coaxial cable and one signal wire is shared with a television signal, thereby conveniently and easily meeting the requirements of users on television watching and net surfing, preventing ...

Uses of FGFR2IIIc cell lateral segment in preparing medicament for preventing and treating spontaneous pulmonary fibrosis

The invention discloses application of FGFR2IIIc extracellular section in the preparation of medicaments for preventing and treating idiopathic pulmonary fibrosis. The FGFR2IIIc can be combined with FGF2 to reduce the effective concentration of the FGFR2IIIc so as to inhibit the process of fibrosis. The FGFR2IIIc in the invention is used in the preparation of the medicaments for preventing and/or treating the idiopathic pulmonary fibrosis, and has better prevention and treatment efficacies. The FGFR2IIIc extracellular section is generally used in the form of pharmaceutical composition which contains the FGFR2IIIc extracellular section and pharmaceutically acceptable auxiliary materials; and the dosage of the FGFR2IIIc extracellular section can be determined according to the state of an illness and the treatment time, and generally the injection administration is 250 to 300 micrograms each time for 1 to 2 times a day. The pharmaceutical composition in the invention can be made into two dosage ...

Technique process of grainy calcium material for preventing and treating peanut blight

The inventive technique process of grainy calcium material for preventing and treating peanut blight primarily includes: adopting the shell powder and weathered coal as raw materials, machining into peanut blight prevention material through agglomeration granulation. The invention has innovative and reasonable design, which not only has simple process, easy implementing, but also has low cost of raw materials, product application convenience, remarkable peanut blight prevention effect, and capability of promoting high-efficient production pf peanut. In particular, the invention applies coastal oyster shell wastes for machining calcium materials for preventing and treating peanut blight, which not only reduces environmental pollution, but also promotes recycling of resources, has very significant economic, social and ecological benefits and greater promotional value.

Charging method of one-card multi-number short message business, device and system thereof

The invention relates to the technical field of mobile communication, in particular to a charging technology of one-card multi-number short message business. The invention provides a charging method of the one-card multi-number short message business, a device and a system thereof, which are used for realizing the real-time charging for the international one-card multi-number short message business of a prepaid user. The charging method comprises the steps that: RNM equipment receives a short message from a business user, then obtains the minor number of the business user carried by the short message; determines the major number of the business user according to the major and minor numbers of the business user corresponding relation, and the business user is simultaneously configured with the major number of the ascription place network and the minor number of the visiting place network; and when the business user is determined to be the prepaid user according to the major number, the communication ...

Method for realizing international roaming, roaming treatment equipment and communication system

The invention relates to the technical field of mobile communication, in particular to a technology for realizing international roaming. The invention discloses a method for realizing international roaming, roaming treatment equipment and a communication system, which are used for realizing the international roaming of an international roaming user of a first operator in the network of a third operator. When an international roaming user of the first operator simultaneously configured with a first operator IMSI and a second operator IMSI roams in the network of the third operator, the roaming treatment equipment of the second operator modifies a first signaling message carrying the first operator IMSI and coming from the network of the first operator into a second signaling message carrying the second operator IMSI and sends the message to the network of the third operator; and modifies a third signaling message carrying the second operator IMSI and coming from the network of the third ...

Method and device for realizing independent redundant arrays of inexpensive disks

The invention discloses a method and a device for realizing independent redundant arrays of inexpensive disks (RAID), belonging to the technical field of storage. The method specifically comprises the following steps of: initializing disks except a disk in which an operating system in the local network is located; forming multiple disk groups by the initialized disks; dividing the grouped disks into multiple mirror image disks, wherein each mirror image disk includes two disks located in the different disk groups; and dividing each disk in each mirror image disk into a plurality of physical blocks. The invention further discloses a device for realizing independent RAID, and the device comprises an initializing module, a grouping module, a mirror image grouping module, a block allocation module, a write-in module, a scanning module, an addressing module and a data recovery module. The invention meets the requirements of speed and function from broadcasting and television video system, realizes ...

Direct interface method of ARINC629 bus and high-speed intelligent unified bus

The invention discloses a direct interface method of an ARINC629 bus and a high-speed intelligent unified bus for solving the technical problem that the existing ARINC629 bus cannot be directly accessed into the high-speed intelligent unified bus. The technical scheme comprises realizing the high-speed series-parallel conversion of the high-speed intelligent unified bus by using the high-speed series-parallel conversion, configure a high-speed intelligent unified bus protocol by using a low-speed logic apparatus, performing the data buffer by using a high-speed dual-port SRAM (static random access memory), performing the intelligent switch on a read-write clock of the high-speed dual-port SRAM by using a high-speed monitoring unit, directly interacting data with the ARINC629 bus by using a method that a data port of an ARINC629 controller and a data port of the high-speed intelligent unified bus are directly connected with each other, thereby, realizing the direct interface of the ARINC629 ...

Direct interface method of fiber channel (FC) bus and high-speed intelligent unified bus

The invention discloses a direct interface method of a fiber channel (FC) bus and a high-speed intelligent unified bus, which is used for solving the technical problem that the existing FC bus can not directly access to a high-speed intelligent unified bus. The technical scheme is as follows: high-speed serial-to-parallel conversion is adopted to realize high-speed serial-to-parallel conversion for high-speed intelligent unified bus data; a low-speed logic device is utilized to configure a high-speed intelligent unified bus protocol; a high-speed dual-port static random access memory (SRAM) is adopted to carry out data caching; a high-speed monitoring unit is utilized to intelligently switch the read-write clock of the high-speed dual-port SRAM; and a method that a data port of an FC controller is directly connected with a data port of the high-speed intelligent unified bus is adopted to directly interact data with the FC, thus realizing the direct interface of the FC and the high-speed ...

Process for synthesizing allantoin

A process for synthesizing allantoin uses acetaldehyde as raw material and includes such steps as using nitric acid to control oxidation to obtain oxidized solution containing glyoxylic acid, adding precipitant, gradually neutralizing to deposit out oxalate and glyoxylate, treating glyoxylate with strong acid or medium-strong acid, adding urea and condensation reaction to obtain the product. Its advantages include short reaction time, high output rate and cyclic use of mother liquor.

Cable television VOD backup method, system and equipment

The invention discloses a backup method, system and device of a CATV VOD which belongs to the CATV technical field. The method includes steps as follows: a broadcast management server obtains system state information and user state information of the broadcast server, transmits the system state information and backups the user state information; a monitor server receives and analysis the system state information, and judges the broadcast server whether having fault according with the system state information; if fault exist, the monitor server transmits a switch indication to the broadcast management server; the broadcast management server receives the switch indication, executes broadcast operation translation of the main-backup broadcast server according with the user state information; the monitor server receives a finish indication, closes the server broadcast terminal, and opens the broadcast server terminal. The system comprises: the broadcast server, the broadcast management server ...

Method and equipment for building high-speed shared network

The invention discloses a method and equipment for building a high-speed shared network, and belongs to the field of cable televisions. The method comprises the following steps: receiving high-speed data channel information of a Cache node broadcast from a Udp broadcast network; according to an IP and a port in the high-speed data channel information, judging whether a high-speed data channel is built with the Cache node or not; if the high-speed data channel is not built, building the high-speed data channel with the Cache node, and if the high-speed data channel is built,, discarding the high-speed data channel information. The equipment comprises a receiving module, a judgment module, a building module and a discarding module. The method and the equipment can combine all Cache nodes in the Udp broadcast network into the high-speed shared network.

Method for preparing coupling agent modified nanometer zinc oxide with reaction groups

The invention relates to a method for preparing a coupling agent modified nanometer zinc oxide with reaction groups, which belongs to the technical field of preparation processes for inorganic nano-particle modified and inorganic nano-particle/organic high molecular polymer composite materials. The method mainly comprises the following processes: dispersing nanometer zinc oxide into absolute ethanol ultrasonically to obtain a dispersion liquid; adding a coupling agent gamma-(4-azido-2,3,5,6-tetrafluorobenzimide) base propyl-trimethoxysilane and a pH regulator into the dispersion liquid, and performing reflux reaction at a temperature of between 80 and 90 DEG C for 1 to 2 hours so as to obtain a suspension of ethanol and the coupling agent modified nanometer zinc oxide with the reaction groups; filtering the suspension and performing centrifugal separation on the filtrate to obtain the modified nanometer zinc oxide with the reaction groups; dispersing the modified nanometer zinc oxide with ...

Method for directly connecting MIL-STD-1773 bus with high-speed intelligent unified bus

The invention discloses a method for directly connecting an MIL-STD-1773 bus with a high-speed intelligent unified bus, which is used for solving the technical problem that the existing MIL-STD-1773 buses can not be directly accessed to the high-speed intelligent unified buses. The technical scheme is as follows: the high-speed intelligent unified bus data are deserialized; the high-speed intelligent unified bus protocol is configured by a low-speed logic device; the data are cached by a high-speed dual-port static random access memory (SRAM); the read-write clock of the high-speed dual-port SRAM is intelligently switched by a high-speed monitoring unit; connection between MIL-STD-1553B and MIL-STD-1773 is realized by a direct modulator and amplifier photo-electric conversion method; direct data interaction with the MIL-STD-1553B bus is realized by directly connecting the data port of an MIL-STD-1553B controller with the data port of the high-speed intelligent unified bus, thus realizing ...

无后座力喷射枪

A jetting gun without backblow for extinguishing fire is composed of gun body and target. The internal channel of said gun body consists of a diameter-constant segment, a diameter-expending segment and a diameter-reducing segment. Its advantages are no backblow, high pressure and flow, and long jetting distance.

Realization method of one-card multi-number business, device and communication system thereof

The invention relates to the technical field of mobile communication, in particular to a one-card multi-number business realization technology. The invention provides a one-card multi-number business opening control method and a device thereof, thus realizing that a mobile user binds scattered MSISDN number as a minor number and the international one-card multi-number business is launched. The one-card multi-number business opening control method comprises the steps that: RNM equipment receives a one-card multi-number business opening request sent by the mobile user; when confirming that the mobile user binds the scattered MSISDN number provided by the network of a cooperator as the minor number, a position updating message carrying an RNM mark is sent to the cooperator HLR, so that the cooperator HLR records the visiting position information of the mobile user as the RNM mark; and the RNM equipment records the corresponding relation between the major number and the minor number, and the ...

Method and device for restructuring network behavior data of user

The invention provides a method and device for restructuring network behavior data of a user. The method comprises the following steps: dividing the network behavior data of the user into the active behavior data of the user and the passive behavior data of the user; extracting the behavior information of the user from the active behavior data of the user and saving the behavior information of the user to a behavior information fact table; extracting position information of the user from the active behavior data of the user and the passive behavior data of the user, and using the position information to obtain a first directed sequence diagram; using points in the first directed sequence diagram to represent cells, and using an edge taking a first cell as a starting point and a second cell as a terminal point to represent that the user moves to the second cell from the first cell; based on a graph theory, analyzing the first directed sequence diagram, and deleting redundant edges and/or ...

Method, system and server for customer passively entering group to obtain group lists

The invention relates to a method, system and server for user passively joining in group to acquire group list. The method at least comprises: extensible mark language document management server of passively grouped user terminal adds or updates list information of non-independent establishment group in group list document of passively grouped user terminal; server is a extensible mark language document management server of actively grouped user terminal or passively grouped user terminal; system comprises: actively grouped user terminal, passively grouped user terminal, aggregation proxy andextensible mark language document management server. The inventive method, system and server can make passively grouped user terminal to acquire list information of all group containing non-independent establishment group, and facilitates the user terminal to originate a call to non-independent establishment group.

Method for achieving one-card multi-number short message service and device for managing one-card multi-number short message service

The invention relates to the technical field of mobile communication, in particular to a technique for achieving a one-card multi-number short message service. The invention discloses a device for managing the one-card multi-number short message service and a method for achieving the one-card multi-number short message service so that an international one-card multi-number short message service provided for a mobile user is achieved. The device for managing the one-card multi-number short message service comprises a memory module, a service acceptance interface, a service management module, a signaling gateway, a position updating module and a short message processing module, wherein the position updating module is used for receiving position updating information of the mobile user through the signaling gateway, recording visiting position information of the mobile user when the mobile user is confirmed to be a user with the one-card multi-number short message service according to user ...

Method for achieving one-card multi-number short message service and device for managing one-card multi-number short message service

The invention relates to the technical field of mobile communication, in particular to a technique for achieving a one-card multi-number short message service. The invention discloses a device for managing the one-card multi-number short message service and a method for achieving the one-card multi-number short message service so that an international one-card multi-number short message service provided for a mobile user is achieved. The device for managing the one-card multi-number short message service comprises a memory module, a service acceptance interface, a service management module, asignaling gateway, a position updating module and a short message processing module, wherein the position updating module is used for receiving position updating information of the mobile user through the signaling gateway, recording visiting position information of the mobile user when the mobile user is confirmed to be a user with the one-card multi-number short message service according to user information ...

Chinese herbal medicament oral liquid for treating chicken respiratory infectious disease

The invention relates to Chinese herbal medicament oral liquid for treating chicken respiratory infectious disease, which is a preparation prepared from the following raw materials in part by weight: Cyrtomium fortunei 4-6, ephedra herb 4-6, tangerine peel 4-6, wild buckwheat rhizome 2-4, spreading hedyotis herb 2-4, platycodon root 2-4, common selfheal fruit-spike 2-4, astragalus root 1-3, baical skullcap root 1-3, Indian buead 1-3, manchurian wildginger 0.1-0.3, and liquoric root 0.5-1.5. When used for treating chicken respiratory infectious disease, the Chinese herbal medicament oral liquid has the characteristics of short treatment period, high cure rate, safety, no toxic nor side effects and convenient administration.

Chinese herbal medicament oral liquid for treating chicken colibacillosis

The invention relates to Chinese herbal medicament oral liquid for treating chicken colibacillosis, which is a preparation prepared from the following raw materials in part by weight: Chinese pulsatilla root 4-6, golden thread root 2-4, baical skullcap root 2-4, amur corktree bark 1-3, ash bark 1-3, white paeony root 1-3, dark plum 1-3, medicine terminalia fruit 1-2, campanumaea pilosula 1-3, astragalus root 1-3 and liquoric root 1-2. The raw materials are crushed, mixed, boiled in water for extraction, the extract is packed and packaged, and the oral liquid of the invention is manufactured. The Chinese herbal medicament oral liquid has a remarkable treatment effect on chicken colibacillosis.

Method and device for improving temperature error compensation precision of strapdown inertial navigator

The invention discloses a method and a device for improving the temperature error compensation precision of a strapdown inertial navigator, which comprises the following methods of: arranging a temperature measuring element near an initial element; taking a temperature signal acquired by the temperature measurement element as one path of multipath acquisition signals and feeding the temperature signal into a digital signal processor; temporarily saving the temperature signal received by the digital signal processor; and after sampling a signal by the initial element, simultaneously carrying out compensation calculation on three kinds of speed calibration state error and temperature error on the strapdown inertial navigator by running an error compensation program complied by a cubic spline interpolation function through the digital signal processor. Through simultaneously carrying out compensation calculation on the three kinds of speed calibration state error and the temperature error ...

Direct interface method of USB 3.0 bus and high speed intelligent unified bus

The invention discloses a direct interface method of a USB (universal serial bus) 3.0 bus and a high speed intelligent unified bus which is used for solving the technical problem of low interconnection speed between the existing USB 3.0 bus and other buses. The technical scheme comprises the following steps: analyzing the standard of USB 3.0 through designing a USB 3.0 controller, receiving the effective data on the USB 3.0 bus correctly and completely, and receiving and transmitting the intelligent bus data at a high speed by utilizing a fiber channel through the high-speed transceiver SerDes; using a high-speed buffer storage to realize buffer storage of bidirectional data; and using a clock control module to realize clock exchange of buses with different speeds, thus high-speed reliable and effective transmission of two kinds of bus data is realized.

Indoor wireless locating method

The invention relates to an indoor wireless locating system which uses a locating arithmetic based on the combination of indoor power detection and historical data matching to confirm the position of a tracking object. A locating method of the system not only can reduce the reconstruction on the original wireless network and facilitate the disposition of operators, but also simplifies the use link of users and enables the system to be used by only installing a client terminal on a wireless terminal, thereby being easier for the users to accept and convenient to popularize. In addition, the working distance between a wireless access point and the wireless terminal is the same as the distance covered by a wireless local area network and can reach 70 meters in radius, and the users do not need to know the position of the access point during using the system, thereby facilitating the users and further being easier for the operators to dispose the position of the access point.

Method and system for communication between mobile terminal and Internet

The invention provides a system for communication between a mobile terminal and the Internet, which comprises a grid local area network, a grid access device and a mobile communication network, wherein the grid local area network is used for receiving data sent by the mobile terminal and sending the data to the grid access device; the grid access device is used for grouping the received data and forwarding the grouped data to the mobile communication network by link parallel transmission technology; and the mobile communication network is used for receiving the data sent by the grid access device and transmitting the data to the Internet. The invention provides a method for communication between the mobile terminal and the Internet. The method provides stable and high-speed wireless network access for the mobile terminal; the system has the characteristics of convenient deployment, flexible network deployment and easy maintenance; and the link parallel transmission technology flexibly adjusts ...

Direct interfacing method for ARINC429 bus and high-speed intelligent unified bus

The invention discloses a direct interfacing method for an ARINC429 bus and a high-speed intelligent unified bus, which is used for solving the technical problem that the prior ARINC429 bus fails to be directly accessed into the high-speed intelligent unified bus. The technical scheme comprises the steps of adopting high-speed serial-parallel conversion to realize the high-speed serial-parallel conversion of data of the high-speed intelligent unified bus, adopting a low-speed logic device to configure a high-speed intelligent unified bus protocol, adopting a high-speed dual-port static randomaccess memory (SRAM) for data cache, adopting a high-speed monitoring unit for intelligent switching on a read/write clock of the high-speed dual-port SRAM, and adopting a method of direct interfacing of a data port of an ARINC429 controller and a data port of the high-speed intelligent unified bus to directly exchange data with the ARINC429 bus so as to realize the direct interfacing of the ARINC429 ...

Method for separating decanted product oil out from oil foot of pressed teal oil

The invention relates to a method for separating decanted product oil out from the oil foot of pressed teal oil, which comprises the following steps: adding 10 to 30 percent of food-grade anhydrous sodium sulfate into the oil foot of the teal oil; stirring and mixing the anhydrous sodium sulfate and the oil foot; standing the mixture for 7 to 15 days; and separating the decanted product oil out in an upper layer, wherein the volume of the decanted product oil is 30 to 60 percent of that of the oil foot. The method of the invention has the characteristics of simplicity, practicability and remarkable economic effectiveness.

Cable television VOD backup method, system and equipment

The invention discloses a backup method, system and device of a CATV VOD which belongs to the CATV technical field. The method includes steps as follows: a broadcast management server obtains system state information and user state information of the broadcast server, transmits the system state information and backups the user state information; a monitor server receives and analysis the system state information, and judges the broadcast server whether having fault according with the system state information; if fault exist, the monitor server transmits a switch indication to the broadcast management server; the broadcast management server receives the switch indication, executes broadcast operation translation of the main-backup broadcast server according with the user state information;the monitor server receives a finish indication, closes the server broadcast terminal, and opens the broadcast server terminal. The system comprises: the broadcast server, the broadcast management server ...

Method for preparing packaging adhesive used for high-transmittance high-power light emitting diode

The invention relates to a method for preparing a packaging adhesive used for a high-transmittance high-power light emitting diode, which belongs to the technical field of special type packaging adhesive or agglomerant for photoelectric devices. The method mainly comprises the following processing steps: (1) modification of nanometer zinc oxide, which adopts a coupling agent to obtain modified nanometer zinc oxide; (2) grafting of the modified nanometer zinc oxide on organosiloxane resin, wherein the mass ratio of the nanometer zinc oxide to the organosiloxane resin is 0.25-1.0:100, the grafting reaction temperature is between 130 and 170 DEG C, and the reaction time is between 30 and 60 minutes; and (3) solidification of a nanometer zinc oxide/organosiloxane polymer, which comprises adding certain amount of crosslinking agent ethyl orthosilicate and catalyst dibutyl tin laurate to an organosilicon resin matrix after the reaction, and after mixing the materials evenly, pouring the organosilicon ...

Field programmable gate array (FPGA)-based red light running automatic monitoring device

The invention provides a field programmable gate array (FPGA)-based red light running automatic monitoring device, which belongs to an electronic and communication technology, an industrial measurement and control technology and a video image processing technology and realizes detection and image pickup of a red light running violation vehicle by using an FPGA. The FPGA is used as a core processor; an analog video signal of a charge coupled device (CCD) camera is used as an input signal source and is subjected to analog/digital (A/D) conversion to output a digital video signal; and image datais managed by the FPGA by means of an extended storage space, and motion detection of an image of a crossroad in a red light period is realized by an image motion detection algorithm, so that the redlight running violation vehicle is identified, and red light running violation scene information is extracted. A working mode of the FPGA-based red light running automatic monitoring device can be selected ...

Method for preparing packaging adhesive used for high-transmittance high-power light emitting diode

The invention relates to a method for preparing a packaging adhesive used for a high-transmittance high-power light emitting diode, which belongs to the technical field of special type packaging adhesThe invention relates to a method for preparing a packaging adhesive used for a high-transmittance high-power light emitting diode, which belongs to the technical field of special type packaging adhesive or agglomerant for photoelectric devices. The method mainly comprises the following processing steps: (1) modification of nanometer zinc oxide, which adopts a coupling agent to obtain modified nanive or agglomerant for photoelectric devices. The method mainly comprises the following processing steps: (1) modification of nanometer zinc oxide, which adopts a coupling agent to obtain modified nanometer zinc oxide; (2) grafting of the modified nanometer zinc oxide on organosiloxane resin, wherein the mass ratio of the nanometer zinc oxide to the organosiloxane resin is 0.25-1.0:100, the graftiometer ...

Offset litho printing ink solvent oil and preparation method thereof

The invention relates to a solvent oil of ink of offset lithography and a preparation method thereof; wherein, diesel fractions are obtained through deep hydrotreatment of the raw material of the reduced pressure fractions of the naphthenic base oil; fractions of 250 to 310 DEG C are obtained through the precise fractionation cutting, and fractions of paraffin-base diesel are originally alkali washed to settle out the refined diesel; fractions of 250 to 310 DEG C are cut through the precise fraction and then the fractions of the obtained paraffin-base and naphthenic base of 250 to 310 DEG C are concocted uniformly according to the weight ratio of 4:6 to 6:4 at normal temperature and pressure to obtain the product. The solvent oil of the ink has the advantages of short distillation range, low aromatic content, high flashing point, light color, good resin solubility, good ink fluidity and excellent transitivity and fast solvent release, good high temperature stability, excellent net point ...

TACAN (Tactical Air Navigation) receiving system and high-speed intelligent unified bus interface method

The invention discloses a TACAN (Tactical Air Navigation) receiving system and a high-speed intelligent unified bus interface method, which are used for solving the technical problem that the conventional TACAN receiving system cannot be accessed to a high-speed intelligent unified bus. The invention adopts a technical scheme that: a conventional low-frequency device is adopted for level conversion and high-speed intelligent unified bus coding; a high-speed logical device is adopted for receiving a transmission permit signal of the high-speed intelligent unified bus; a high-speed dual-ported RAM (Random-Access Memory) caches data; an option switch is arranged to switch high-speed and low-speed reading and writing clocks of the dual-ported RAM; and a parallel/serial data conversion and control unit is adopted to perform serial conversion on a parallel signal and control a serial signal to be transmitted to the high-speed intelligent unified bus, so that interfacing between the TACAN receiving ...

New high-yield cultivation method for agaricus blazei sowing and earth backing stage management

The invention discloses a new high-yield cultivation method for agaricus blazei sowing and earthing stage management. The method is characterized by comprising the following steps of: disinfecting and sowing: after dry secondary fermentation of a culture material is finished, distributing the culture material to beds, stabilizing the material temperature below 25 DEG C for sowing, closing mushroom house doors and windows after sowing, beginning ventilation after hyphae are grown to promote downward growth of the hyphae and then closing the mushroom house doors and windows, and spraying 20 to 40 grams of clear water to each bed after the hyphae are grown to the bottom and before earthing; and culture material hyphae culture and earthing: uniformly earthing with thickness of 3 to 3.5 centimeters, closing the doors and windows after coarse earthing to promote uniform earthing of the hyphae, beginning ventilation and refining bacteria for 3 to 5 days after the thick needles of the hyphae are ...

Method and device for sending data

The invention discloses a method and a device for sending data, belonging to the field of cable television video-on-demand technologies. The method comprises the following steps: opening each program file, wherein each program file carries a plurality of program data packets and a plurality of program clock reference time code packets; reading the program data packets of one program clock reference cycle from each program file, and taking the read program data packets as the current program data packets; calculating the real-time code rate of the current program data packets; when the calculated real-time code rate is smaller than the preset bandwidth threshold, filling empty packets in the current program data packets and obtaining multiplex data; and carrying out uniform distribution treatment on the multiplex data, and generating and sending the multiplex data packets. The device comprises an opening module, a reading module, a calculating module, a filling module and a uniform distribution ...

Dry heat type secondary fermentation method for planting agaricus blazei and dry heat type heating device

The invention provides a dry heat type secondary fermentation method for planting agaricus blazei and a dry heat type heating device. The dry heat type heating device is characterized in that the dry heat smoke and fire generated by a built-in range directly heat the culture medium in a mushroom house to complete the secondary fermentation method. The method comprises the following steps that: the built mushroom houses face south; in each mushroom house, 2 to 3 heating ranges are built, each range is arranged on the south of the mushroom house and between bed frames of two mushroom beds closer to the middle, and the range is 20 to 50cm away from the ends of the two bed frames; the ranges are heated after the culture medium is put on the mushroom beds in the mushroom house, the hot smoke directly enters the mushroom house for heating, when the temperature rises to be between 56 and 58 DEG C, the temperature is kept for 48 to 52 hours, and when the temperature drops to be between 40 and45 ...

Method, system and server for customer passively entering group to obtain group lists

The invention relates to a method, system and server for user passively joining in group to acquire group list. The method at least comprises: extensible mark language document management server of passively grouped user terminal adds or updates list information of non-independent establishment group in group list document of passively grouped user terminal; server is a extensible mark language document management server of actively grouped user terminal or passively grouped user terminal; system comprises: actively grouped user terminal, passively grouped user terminal, aggregation proxy and extensible mark language document management server. The inventive method, system and server can make passively grouped user terminal to acquire list information of all group containing non-independent establishment group, and facilitates the user terminal to originate a call to non-independent establishment group.

360-degree full-view simulation system based on spherical display

The invention provides a simulation method for concurrent computation. The invention designs a visual-view transformation and multi-channel display controller. The method comprises the following steps of: presetting a display and storage units corresponding to projectors in Ramdisk according to different projection curves of all projectors in three-dimensional space; sending each extracted frame plane figure to an image processor from an interface of a visual-view generating system; processing each extracted frame plane figure by the image processor to realize the three-dimensional transformation and nonlinear distortion correction of the plane figures from plane projection to a spherical surface; then synchronously writing zones corresponding to the three-dimensional curves into the Ramdisk display and storage unit corresponding to each projector according to the three-dimensional curves corresponding to all projectors according to refreshing signals to accomplish three-dimensional display ...

Method and device for time synchronization and frequency synchronization of LTE system

The invention provides a method and a device for time synchronization and frequency synchronization of an LTE system. The device comprises a normalized autocorrelation unit which is used for normalized autocorrelation to delay a digital baseband signal for an OFDM period, an automatic fractional frequency offset control unit which is used for estimating a fractional frequency offset according to a peak value generated by the normalized autocorrelation unit, and correcting the fractional frequency offset of the digital baseband signal, a primary synchronization signal correlation unit which isused for normalized correlation of the digital baseband signal after the correction of the fractional frequency offset and a local primary synchronization signal with a preset integer frequency offset, a time synchronization unit which is used for time synchronization according to a normalized correlation value, and an integer frequency offset correction unit which is used for estimating an integer ...

Cell searching device and method used for LTE (Long Term Evolution) system

The invention provides a cell searching device, comprising an AFC (Automatic Frequency Control) and CP (Content Provider) judging device, a first FIFO (First In First Out) memory, a main synchronizing signal cross-correlator, a main synchronizing signal capturing state machine, an auxiliary synchronizing signal decoder, a Cell ID decoder and a PBCH (Physical Broadcasting Channel) decoder, whereinthe AFC and CP judging device is used for carrying out automatic frequency adjustment and CP length judgment on a received baseband digital signal, and the processed baseband digital signal is transmitted to the main synchronizing signal cross-correlator and simultaneously stored to the first FIFO memory; the main synchronizing signal cross-correlator is used for carrying out cross-correlation operation on the received baseband digital signal and a main synchronizing signal generated locally; the main synchronizing signal capturing state machine is used for capturing the main synchronizing signal ...

Method for preparing zinc-oxide quantum-dot modified heat-conducting organic silica gel

The invention relates to a method for preparing zinc-oxide quantum-dot modified heat-conducting organic silica gel, which belongs to the technical field of semiconductor optoelectronic device packaging materials. The method comprises: adopting a sol-gel method to prepare zinc-oxide quantum dots; compounding zinc-oxide quantum dots dispersed in an organic solvent with organic silica gel; adopting alpha, omega-dihydroxy polydimethyl diphenyl siloxane as an organic silica gel matrix; ensuring that the mass proportion of the addition amount of ZnO to an organosilicon matrix is between 0.2:100 and 1.0:100; adding tetraethoxysilane serving as a curing agent and dibutyltin dilaurate serving as a catalyst in addition; continuously stirring at room temperature to mix materials well; pouring mixture into a die; removing bubbles under vacuum; curing the obtained product for 8 to 10 hours; and finally obtaining the zinc-oxide quantum-dot modified heat-conducting organic silica gel. The packaging silica ...

Preparation method of polyaniline/zinc oxide flexible composite electrode material

The invention relates to a preparation method of a polyaniline/zinc oxide flexible composite electrode material under the conditions of low temperature and low magnetic field and belongs to the technical field of materials of optoelectronic display devices. The important content of the preparation method is mainly as follows: the polyaniline (PANI) and nano-ZnO are compounded through an in-situ compounding method under the conditions of low temperature and low magnetic field so as to improve the conductive performance of the PANI and improve the toughness and the heat resistance of the PANI through ZnO; and meanwhile, PANI-cladding ZnO can be coated on a flexible substrate at normal temperature so as to prepare the flexible composite electrode material. In the invention, the preparation method has the advantages of simple reaction equipment, low cost and high yield; and the obtained product has excellent conductivity (which can reach 23-42S/cm) as well as good flexibility and toughness.

Dry heat type mushroom house or mushroom shed device for producing edible mushrooms

The invention discloses a dry heat type mushroom house or mushroom shed device for producing edible mushrooms. The device is characterized in that: the built mushroom house or mushroom shed has a north-orientated and south-facing structure; two longer sides of the mushroom house are positioned at a south position and a north position and are in the east-west direction; eight to ten mushroom beds are arranged in each mushroom house; two to four indoor heating stoves are built inside the mushroom house so as to form a built-in heating stove structure; each stove body has a vertically upright barrel structure; a heat exhaust gas outlet of the stove is communicated with the mushroom house; a stove opening of the stove is formed in a south-facing direction; the distance from the stove opening to a shed wall side on the south side is at least 20cm; a top cover capable of dispersing exhaust gas is arranged above the heat exhaust gas outlet of each stove; and a plurality of exhaust through holes ...

Device housing responsive to an environmental stimulus

A housing (12) for use in a portable electronic device (10) includes an outer visible surface (14). The outer visible surface (14) is composed of an appearance changing substance responsive to an environmental stimulus.

ELASTIC LICENSING OF SOFTWARE IN A CLOUD ENVIRONMENT

In one aspect, a method includes publishing an object of a user such that another user can search for the object by means of a user interface. The object may be an application, an application group, an application component, and/or a service. The object runs on a platform. The platform may be a hypervisor, an application container, a mobile platform, and/or a computer. The method includes permitting another user to access the object based on a transacting for the object between the users. The transaction may involve a clone transaction, a grant transaction, an application component transaction or a service transaction. A tax may be levied based on the transaction. A scope of the access of the object to another user is based on a transaction protocol, which is based on the transacting between the users. The transaction protocol may include a payment scheme, a term, or a set of object rights. 1. A method of a server device comprising:publishing availability of an object of a user such that the object is searchable by another user through a user interface;enabling transacting between the user and the another user, the transacting being specific to access of the object by the another user;determining a transaction protocol that defines a transaction between the user and the another user, the transaction protocol including a scope of access to the object by the another user;determining a sum of money to collect from the another user based on a payment scheme, wherein the payment scheme is based on the transaction protocol; andmonitoring the access of the object by the another user such that the access to the object is restricted to the scope of access defined in the transaction protocol, such that piracy of the object is controlled through a management of the access of the object by the another user.2. The method of :wherein the object is stored and runs on a platform;wherein the object is one of an application, an application group, an application component, and a ...

File system for storage area network

Methods and apparatus are disclosed for managing access to data in a data storage system. For example, an apparatus comprises at least one processing platform associated with a distributed virtual infrastructure. The processing platform comprises at least one processing device having a processor coupled to a memory. The processing platform is operative to instantiate a meta data management process that is configured to provide at least one client process with information to allow the client process to perform one or more operations in accordance with one or more data storage devices through a storage area network. The information provided to the client process may comprise one or more data block descriptors. Each of the one or more data block descriptors may comprise path information for at least one of the data storage devices and an offset address in the at least one data storage device. The one or more data block descriptors may correspond to one or more data blocks of a given data file that is stored or storable across the one or more data storage devices.

APPARATUS FOR MANUFACTURING OPTICAL FILM

An apparatus for manufacturing an optical film includes a first pressing roller, a second pressing roller, an UV solidifying unit and a winding roller. The first pressing roller and the second pressing roller are spaced a predetermined distance from each other and configured for cooperatively molding the optical film by means of microstructures formed on a peripheral surface of the first pressing roller. Reverse-face microstructures are imprinted on the optical film. A diameter of the first pressing roller is smaller than that of the second pressing roller, and a diameter of the winding roller is larger than that of the second pressing roller. The UV solidifying unit is configured for solidifying the molded optical film. 1. An apparatus for manufacturing an optical film , comprising:a first pressing roller;a second pressing roller;an UV solidifying unit; anda winding roller;wherein the first pressing roller and the second pressing roller are spaced a predetermined distance from each other and configured for cooperatively molding the optical film, the first pressing roller comprises a plurality of microstructures formed thereon, the microstructures imprint corresponding microstructures on the optical film, a diameter of the first pressing roller is smaller than that of the second pressing roller, a diameter of the winding roller is larger than that of the second pressing roller, the UV solidifying unit is configured for solidifying the molded optical film, and the winding roller is configured for winding molded and solidified optical film thereon, the apparatus further comprises a light shielding unit configured for preventing UV light from passing therethrough, the light shielding unit is located between the first and second pressing rollers and the UV solidifying unit and shields the first and second pressing rollers from the UV light, and the light shielding unit defines an opening for allowing the molded optical film to pass therethrough.2. The apparatus of claim ...

ORGANIC LIGHT-EMITTING DIODE AND METHOD OF MAKING SAME

An organic light-emitting diode includes a substrate layer, a cathode layer spread on the substrate layer, an organic film spread on the cathode layer and an anode layer spread on the organic film. The substrate layer is made of electrically insulative and transparent material. The cathode layer is made of transparent and electrically conductive material. The organic film includes an organic luminescent layer. Molecules of the organic film orient toward a uniform direction and the organic film radiates polarization light. 1. An organic light-emitting diode comprising:a substrate layer made of electrically insulative and transparent material;a cathode layer spread on the substrate layer, the cathode being layer made of transparent and electrically conductive material;an organic film spread on the cathode layer for radiating polarization light, the organic film comprising an organic luminescent layer, molecules of the organic film orienting toward a uniform direction ; andan anode layer spread on the organic film.2. The organic light-emitting diode of claim 1 , wherein the organic film further comprises a hole injecting layer claim 1 , a hole transmission layer claim 1 , an organic luminescent layer claim 1 , an electron transmission layer and an electron injecting layer claim 1 , and the hole injecting layer claim 1 , the hole transmission layer claim 1 , the organic luminescent layer claim 1 , the electron transmission layer and the electron injecting layer are formed in order from the cathode layer.3. The organic light-emitting diode of claim 1 , wherein the substrate layer is plane and made of a material selected from the group consisting of epoxy resin claim 1 , glass epoxide claim 1 , bismaleimide triazine resin and ceramic.4. The organic light-emitting diode of claim 1 , wherein the cathode layer is made of a material selected from the group consisting of indium tin oxide (ITO) claim 1 , indium zinc oxide (IZO) claim 1 , zinc oxide (ZnO) and indium oxide (InO). ...

LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME

A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm. 1. A light guide plate , comprising:a light incident surface; anda plurality of micro cylinders protruding from the light incident surface and arranged in parallel to each other;wherein each of the micro cylinders has a circumference surface and two opposite end surfaces, the circumference surface connects to the light incident surface, the two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface, each of the two end surfaces is circular arc-shaped, the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm.2. The light guide plate of claim 1 , wherein a maximum height of each micro cylinder along a direction perpendicular to the light incident surface is in the range of 0.015 μm to 0.06 μm.3. The light guide plate of claim 1 , wherein the micro cylinders are distributed continuously.4. The light guide plate of claim 1 , wherein a gap is defined between each two adjacent micro cylinders.5. The light guide plate of claim 1 , wherein the light guide plate comprises a light emitting surface claim 1 , the light emitting surface is connected to the light incident surface.6. The light guide plate of claim 1 , wherein the light guide plate comprises a light emitting surface claim 1 , the light emitting surface is parallel to the light incident surface.7. A backlight module comprising:a plurality of light ...

LIGHT GUIDE PLATE AND ILLUMINATING DEVICE

A light guide plate includes a light emitting surface and a micro structure positioned on the light emitting surface. The micro structure includes a plurality of pyramids projecting from the light emitting surface. Each of the pyramids includes a bottom surface and a plurality of side surfaces connected to the bottom surface. An included angle between each side surface and the bottom surface of each pyramid is in the range from about 15 degrees to about 25 degrees. An illuminating device including the light guide plate is also provided. 1. A light guide plate , comprising:a light emitting surface; anda micro structure positioned on the light emitting surface, the micro structure comprising a plurality of pyramids projecting from the light emitting surface, each of the pyramids comprising a bottom surface and a plurality of side surfaces connected to the bottom surface, an included angle between each side surface and the bottom surface of each pyramid being in the range from about 15 degrees to about 25 degrees.2. The light guide plate of claim 1 , wherein the included angle is about 15 degrees.3. The light guide plate of claim 1 , further comprising a light incident surface perpendicularly connected to the light emitting surface.4. The light guide plate of claim 1 , further comprising a light incident surface opposite to the light emitting surface.5. The light guide plate of claim 1 , wherein the refractive index of the light guide plate is in the range from about 1.47 to about 1.55.6. The light guide plate of claim 1 , wherein each of the pyramids is a regular triangular pyramid.7. An illuminating device comprising:a plurality of light sources; anda plurality of light guide plates, each light guide plate comprising a light incident surface adjacent to one of the plurality of light sources, a light emitting surface, and a micro structure positioned on the light emitting surface, the micro structure comprising a plurality of pyramids projecting from the light ...

SOLAR POWER CONCENTRATOR AND SOLAR POWER COLLECTING DEVICE USING SAME

A solar power collecting device includes a solar power concentrator and a solar cell. The solar power concentrator includes a fructoconical reflector and a converging lens. The reflector includes a fructoconical inner reflecting surface, a wide end open to an outside and a narrow end, the reflecting surface configured for reflecting and directing sunlight from the wide end to the narrow end. The converging lens is located at the narrow end of the reflector, and is configured for receiving and converging the reflected sunlight from the reflector and sunlight incident thereon directly from the wide end. The solar cell is configured for converting the converged sunlight from the solar power concentrator into electricity. 1. A solar power concentrator , comprising:a fructoconical reflector comprising a fructoconical inner reflecting surface, a wide end open to an outside and a narrow end, the reflecting surface configured for reflecting and directing sunlight from the wide end to the narrow end; anda converging lens located at the narrow end of the reflector, the converging lens configured for receiving and converging the reflected sunlight from the reflector and sunlight incident thereon directly from the wide end.2. The solar power concentrator of claim 1 , wherein the reflector and the converging lens are unitarily formed.3. The solar power concentrator of claim 1 , wherein the reflector surrounds the converging lens.4. The solar power concentrator of claim 1 , wherein the converging lens is a Fresnel lens.5. The solar power concentrator of claim 1 , wherein the converging lens is a convex lens.6. A solar power collecting device claim 1 , comprising: a fructoconical reflector comprising a fructoconical inner reflecting surface, a wide end open to an outside and a narrow end, the reflecting surface configured for reflecting and directing sunlight from the wide end to the narrow end; and', 'a converging lens located at the narrow end of the reflector, the converging ...

LIGHT GUIDE PLATE WITH MICRO-DOTS

A light guide plate includes an incident surface, an emergent surface substantially perpendicular to the incident surface, a bottom surface opposite to the emergent surface, and a number of micro-dots positioned on the bottom surface. The micro-dots have similar shape and size. A density of the micro-dots gradually increases from a near-end to a far-end of the incident surface. 1. A light guide plate , comprising:an incident surface;an emergent surface substantially perpendicular to the incident surface;a bottom surface opposite to the emergent surface, the bottom surface comprising a first side adjacent to the incident surface and a second side opposite to the first side and distant from the incident surface; anda plurality of micro-dots positioned on the bottom surface, the micro-dots having similar shape and size, a density of the micro-dots gradually increasing in a direction from the first side to the second side.2. The light guide plate of claim 1 , wherein the incident surface claim 1 , the emergent surface claim 1 , and the bottom surface are rectangular claim 1 , the incident surface connects the emergent surface and the bottom surface.3. The light guide plate of claim 1 , wherein the micro-dots are arranged into a number of lines claim 1 , each of which is straight and extends along a direction that is substantially parallel to the incident surface.4. The light guide plate of claim 3 , wherein the number of the micro-dots in each line gradually increases in the direction from the first side to the second side.5. The light guide plate of claim 3 , wherein the pitch between each two adjacent micro-dots in each line are fixed.6. The light guide plate of claim 3 , wherein the pitch between each two adjacent lines of the micro-dots gradually decreases in the direction from the first side to the second side.7. The light guide plate of claim 1 , wherein the micro-dots are bulges or recesses.8. The light guide plate of claim 1 , wherein a ratio of a transverse ...

BLOW DRYING MECHANISM FOR WORKPIECES

A blow drying mechanism for drying plate-like members with pressurized air is disclosed. The blow drying mechanism includes an air inlet wall defining at least one inlet and an air outlet wall defining at least one outlet communicating with the at least one inlet. The at least one outlet is an elongated slot. 1. A blow drying mechanism for drying plate-like members with pressurized air , comprising:an air inlet wall defining at least one inlet; andan air outlet wall defining an least one outlet communicating with the at least one inlet, wherein the at least one outlet is an elongated slot.2. The blow drying mechanism of claim 1 , further comprising two sidewalls claim 1 , wherein each of the two sidewalls connects the air inlet wall and the air outlet wall claim 1 , and each of the air inlet wall and the air outlet wall is on each side of each of the two sidewalls.3. The blow drying mechanism of claim 1 , wherein the blow drying mechanism is substantially plate-like.4. The blow drying mechanism of claim 3 , wherein the blow drying mechanism comprises a bottom wall connecting the air inlet wall and the air outlet wall claim 3 , and each of the air inlet wall and the air outlet wall is on a side of the bottom wall opposite to each other.5. The blow drying mechanism of claim 4 , wherein a width of the at least one outlet along a direction perpendicular to the bottom wall is less than a width of the at least one inlet along the direction perpendicular to the bottom wall.6. The blow drying mechanism of claim 4 , wherein the at least one inlet comprises at least two inlets.7. The blow drying mechanism of claim 6 , wherein a length of the at least one outlet is greater than a total length of the at least two inlets.8. The blow drying mechanism of claim 6 , wherein the at least two inlets are evenly spaced between each other.9. The blow drying mechanism of claim 1 , wherein a quantity of the at least one inlet is same as a quantity of the at least one outlet.10. The blow ...

LIGHT SOURCE MODULE AND ILLUMINATING DEVICE

A light source module includes a housing receiving a light source. The housing includes a transparent light emitting plate with a micro structure positioned on an outer surface thereof. The micro structure includes a number of first and second light guide projectors. The first light guide projectors are positioned at a middle part of the outer surface, the second light guide projectors are positioned at two end parts of the outer surface. The first and second light guide projectors extend along the outer surface and are perpendicular to each other, cross-sectional surfaces of the first light guide projectors perpendicular to the extending direction of the first light guide projectors are semi-circular-shaped, and cross-sectional surfaces of the second light guide projectors perpendicular to the extending direction of the second light guide projectors are triangular-shaped. An illuminating device including the light source module is also provided. 1. A light source module , comprising:a light source; anda housing receiving the light source and comprising a transparent light emitting plate, wherein the transparent light emitting plate comprises an outer surface away from the light source and a micro structure positioned on the outer surface, the micro structure comprises a number of first light guide projectors and a number of second light guide projectors, the number of first light guide projectors are positioned at a middle part of the outer surface, the number of the second light guide projectors are positioned at two end parts of the outer surface beside the number of first light guide projectors, the number of the first light guide projectors and the number of the second light guide projectors extend along the outer surface and are substantially perpendicular to each other, a cross-sectional surface of each of the first light guide projectors substantially perpendicular to the extending direction of the number of first light guide projectors is semi-circular- ...

MOLDING CORE AND METHOD OF MANUFACTURING THE SAME

A molding core includes a main body and a protective layer. The main body includes a molding surface and a rear surface opposite to the molding surface. The protective layer is formed on the rear surface of the main body. The present disclosure also discloses a method of manufacturing the molding core. 1. A molding core , comprising:a main body comprising a molding surface and a rear surface opposite to the molding surface; anda protective layer formed on the rear surface of the main body.2. The molding core of claim 1 , wherein the main body is made of a cemented carbide comprising silicon carbide claim 1 , silicon claim 1 , silicon nitride claim 1 , Zirconia claim 1 , alumina oxide claim 1 , titanium nitride claim 1 , titanium dioxide claim 1 , titanium carbide claim 1 , boron carbide claim 1 , tungsten carbide claim 1 , tungsten claim 1 , and cobalt tungsten carbide.3. The molding core of claim 1 , wherein the protective layer is made of one or more flexible organic polymer materials.4. The molding core of claim 3 , wherein the protective layer is made of silicone.5. The molding core of claim 4 , wherein the silicone is dimethyl siloxane silicone.6. A method of manufacturing a molding mold claim 4 , comprising:providing a main body having a rear surface;providing an organic polymer liquid; andforming a protective layer on the rear surface via the organic polymer liquid.7. The method of claim 6 , wherein before forming the protective layer claim 6 , the main body is cleaned by ultrasonic vibration cleaning to remove oil and oxides from the rear surface.8. The method of claim 6 , wherein a liquid curing agent is added into the organic polymer liquid.9. The method of claim 6 , wherein the main body is made of a cemented carbide comprising silicon carbide claim 6 , silicon claim 6 , silicon nitride claim 6 , Zirconia claim 6 , alumina oxide claim 6 , titanium nitride claim 6 , titanium dioxide claim 6 , titanium carbide claim 6 , boron carbide claim 6 , tungsten ...

ELECTRONIC DEVICE AND METHOD FOR SWITCHING RADIO RECEIVER

A method for switching radio receivers includes: directing a FM radio receiver or an Internet radio receiver of an electronic device to receive radio signals; monitoring the intensity of radio signals received by the FM radio receiver and the network data stream received by the Internet radio receiver periodically; determining whether a switch condition for switching radio receivers between the FM radio receiver and the Internet radio receiver is satisfied according to the radio receiver currently employed, the intensity of radio signals received by the FM radio receiver, and the network data stream received by the Internet radio receiver; and switching between the FM radio receiver and the Internet radio receiver if the switch condition is satisfied. A related electronic device is also provided. 1. An electronic device with radio receiver switch function , comprising:a frequency modulation (FM) radio receiver;an Internet radio receiver; and a FM radio receiver monitoring module to monitor the intensity of radio signals received by the FM radio receiver;', 'an Internet radio receiver monitoring module to monitor network data stream received by the Internet radio receiver; and', 'a radio receiver control module to determine whether a switch condition for switching between the FM radio receiver and the Internet radio receiver is satisfied according to the radio receiver currently employed, the intensity of radio signals received by the FM radio receiver, and the network data stream received by the Internet radio receiver, and further switch between the FM radio receiver and the Internet radio receiver if the switch condition is satisfied., 'a processor comprising2. The electronic device as described in claim 1 , wherein the radio receiver control module is to switch to the FM radio receiver to receive radio signals if the Internet radio receiver is currently employed claim 1 , and the intensity of radio signals received by the FM radio receiver is greater than or ...

LASER MACHINING METHOD FOR METALLIC WORKPIECE

A laser machining method for metallic workpiece, including providing a metallic workpiece, heating the metallic workpiece with a heater controller, and machining the metallic workpiece with a laser beam. 1. A laser machining method for metallic workpiece , comprising:providing a metallic workpiece;heating the metallic workpiece with a heater controller; andmachining the metallic workpiece with a laser beam transmitted by a laser.2. The laser machining method of claim 1 , wherein the metallic workpiece is made of iron.3. The laser machining method of claim 1 , wherein the metallic workpiece is made of materials selected from a group consisting of magnesium claim 1 , aluminum claim 1 , zinc claim 1 , magnesium alloy claim 1 , aluminum alloy and zinc alloy.4. The laser machining method of claim 1 , wherein the laser is a semiconductor laser.5. The laser machining method of claim 1 , wherein at least one heating rod is fixed on the metallic workpiece and is electrically connected to the heater controller.6. The laser machining method of claim 1 , wherein a temperature of the metallic workpiece is in a range from about 120° C. to about 278° C. after being heated by the heat controller.7. The laser machining method of claim 6 , wherein a radiation frequency of the laser is 30 KHz claim 6 , and a radiation time of the laser is 570 μs. 1. Technical FieldThe present disclosure generally relates to laser machining methods, and particularly to a laser machining method for metallic workpiece.2. Description Of Related ArtLaser machining is a technology that uses a laser to machine workpieces, and is typically used for industrial manufacturing applications. Laser machining works by directing the output of a high-power laser at the metallic workpiece to be machined, and part of the material of the metallic workpiece then melts, burns, and vaporizes away to form the desired shape in the metallic workpiece. However, high temperatures are generated in the machining process. The ...

MICROSCOPE APPARATUS FOR PHASE IMAGE ACQUISITION

A microscope apparatus includes a condenser lens to make an illuminating electromagnetic wave relatively homogeneous, a first beam splitter splitting the illuminating electromagnetic wave after the condenser lens, a movable reflector module, a second beam splitter, an objective lens to project the illuminating electromagnetic wave propagating after an object to be observed toward an observing device. The object is loaded between the first beam splitter and the second beam splitter. The microscope apparatus is configured to split the illuminating electromagnetic wave into two paths at the first beam splitter. A first path goes through the first and the second beam splitters, and a second path goes through the movable reflector module to rejoin the first path at the second beam splitter. The microscope apparatus is configured acquire phase images with interferences of the electromagnetic wave from the two paths with at least two distance settings of the movable reflector module. 1. A microscope apparatus , comprising:a condenser lens configured to make an illuminating electromagnetic wave relatively homogeneous;a first beam splitter configured to split the illuminating electromagnetic wave after the condenser;a movable reflector module;a second beam splitter; andan objective lens configured to project the illuminating electromagnetic wave propagating after an object to be observed toward an observing device,wherein the object is loaded between the first beam splitter and the second beam splitter, the microscope apparatus is configured to split the illuminating electromagnetic wave into two components along two respective paths at the first beam splitter, a first path of the two paths goes through the first and the second beam splitters and a second path of the two paths goes through the movable reflector module to rejoin the first path at the second beam splitter, the microscope apparatus is configured to acquire phase images with interferences of the electromagnetic ...

LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING SAME

A light guide plate includes an incident surface, an emitting surface, and a reflecting surface opposite to the emitting surface. The incident surface connects the emitting surface to the reflecting surface. A plurality of microstructures is defined in the reflecting surface. Each microstructure is a slot. A cross-section across each microstructure and parallel to a light emitting direction is substantially V-shaped. Each microstructure is formed with two sidewalls. Each sidewall includes a plurality of stepped portions connected in order. 1. A light guide plate , comprising:an emitting surface;a reflecting surface opposite to the emitting surface; andan incident surface interconnecting the emitting surface and the reflecting surface, wherein a plurality of microstructures is defined in the reflecting surface, each microstructure is a slot, a cross-section across each microstructure and perpendicular to the incident surface is substantially V-shaped, each microstructure is formed with two sidewalls, and each sidewall comprises a plurality of stepped portions connected in order.2. The light guide plate of claim 1 , wherein the two sidewalls of each microstructure portion are symmetrical with each other.3. The light guide plate of claim 2 , wherein each stepped portion comprises a flat surface and an inclined surface connected with the flat surface claim 2 , a plurality of flat surfaces of the plurality of stepped portions is substantially parallel to each other claim 2 , and a plurality of inclined surfaces of the plurality of stepped portions is substantially parallel to each other.4. The light guide plate of claim 3 , wherein an apex angle of each microstructure is about 90 degrees claim 3 , and an intersection angle defined by the flat surface and the inclined surface of each stepped portion is about 135 degrees.5. The light guide plate of claim 3 , wherein widths of the flat surfaces of each stepped portion along a direction perpendicular to a light emitting ...

ELASTIC ALLOCATION OF COMPUTING RESOURCES TO SOFTWARE APPLICATIONS

Embodiments monitor application performance metrics representing the performance of a software application executed by one or more host computing devices. Based on the application of rules to the application performance metrics, an elasticity action, such as a power-on action, a power-off action, a deploy action, and/or a destroy action, is determined. The elasticity action is transmitted to one or more target hosts, which perform the elasticity action. The target host may be selected based on host performance metrics. Further, a load balancing service may accommodate the addition of a new software application instance to a cluster and/or the removal of an existing software application instance from the cluster. 1. A system for executing virtual machines on one or more computing devices , the system comprising:a plurality of host computing devices; and determine an application performance metric representing performance of one or more instances of a software application executed by virtual machines (VMs) that are hosted by the host computing devices;', 'determine an elasticity action based on the application performance metric, wherein the elasticity action comprises one or more of the following: a scale-up action, a scale-down action, a deploy action, and a destroy action; and', 'transmit the determined elasticity action to a target host computing device of the plurality of host computing devices for application of the determined elasticity action by the target host computing device to one or more VMs in one or more of the following: a working pool of working VMs and a ready pool of ready VMs., 'a management device coupled in communication with the host computing devices and configured to2. The system of claim 1 , wherein the management device is configured to transmit the elasticity action by transmitting a scale-up action to the target host computing device claim 1 , wherein the target host computing device activates one or more VMs in response to receiving the ...

Light guide plate having dual micro structures

A light guide plate includes a light incident surface, a light exit surface; and a bottom surface opposite the light exit surface. The light incident surface includes many first micro structures and many second micro structures. Each second micro structure cover some of the first micro structures.

LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING SAME

An exemplary light guide plate includes a top light emitting surface, a bottom surface, and a light incident surface. The light incident surface is between the light emitting surface and the bottom surface. The bottom surface defines a plurality of hemispherical micro grooves arranged in an array, a maximum depth of each micro groove along a direction perpendicular to the bottom surface is H, each micro groove has a circular opening, a diameter of the opening is D, and D:H=10:1. 1. A light guide plate comprising:a top light emitting surface;a bottom surface; anda light incident surface between the light emitting surface and the bottom surface;wherein the bottom surface defines a plurality of hemispherical micro grooves arranged in an array, a maximum depth of each micro groove along a direction perpendicular to the bottom surface is H, each micro groove has a circular opening, a diameter of the opening is D, and D:H=10:1.2. The light guide plate of claim 1 , further comprising a side surface connected to the light emitting surface and the bottom surface claim 1 , wherein the side surface is at an opposite side of the light guide plate to the light incident surface claim 1 , and is provided for internally reflecting light rays in the light guide plate.3. The light guide plate of claim 1 , wherein the light incident surface is substantially perpendicular to the light emitting surface.4. The light guide plate of claim 1 , wherein the bottom surface is inclined with respect to the light emitting surface.5. A light guide plate comprising:a light incident surface for transmitting light rays from at least one external light source into the light guide plate;a bottom surface for internally reflecting light rays in the light guide plate; anda top light emitting surface for transmitting a portion of light rays in the light guide plate incident thereon to the exterior above the light guide plate, and reflecting the other portion of the light rays incident thereon back into the ...

Light guide plate having uniform light emission and backlight module including same

A light guide plate includes a light incident surface, a bottom plate, a light emitting surface opposite to the bottom plate, and a side surface opposite to the light incident surface. The light incident surface is perpendicular to the light emitting surface. The bottom surface is imaginarily divided into rectangular sub-portions which are equal in area and shape. A portion of the sub-portions close to the side surface constitutes a main portion. Each sub-portion uniformly distributes micro protrusions. Along a direction from the light incident surface to the side surface, the micro protrusion densities of the sub-portions of the main portion gradually ascend, and the difference values of the micro protrusion densities of any two adjacent sub-portions of the main portion gradually ascend.

PROVISIONING OF DISTRIBUTED COMPUTING CLUSTERS

Embodiments perform automated provisioning of a cluster for a distributed computing platform. Target host computing devices are selected from a plurality of host computing devices based on configuration information, such as a desired cluster size, a data set, code for processing the data set and, optionally, a placement strategy. One or more virtual machines (VMs) are instantiated on each target host computing device. Each VM is configured to access a virtual disk that is preconfigured with code for executing functionality of the distributed computing platform and serves as a node of the cluster. The data set is stored in a distributed file system accessible by at least a subset of the VMs. The code for processing the data set is provided to at least a subset of the VMs, and execution of the code is initiated to obtain processing results. 1. A method for provisioning a cluster for a distributed computing platform , the method comprising:receiving configuration information for a cluster from a user, wherein the configuration information comprises at least a cluster size, a data set and code for processing the data set from the user;selecting a plurality of target host computing devices from a plurality of host computing devices based on the configuration information;instantiating, based on the cluster size, at least one virtual machine (VM) on each of the target host computing devices to serve as a node of the cluster, wherein each instantiated VM is configured to access a virtual disk that is based on a VM template and preconfigured with code for executing functionality of the distributed computing platform;persistently storing the data set in a distributed file system accessible by at least a subset of the VMs, wherein the distributed file system is accessed by the distributed computing platform during processing of the data set;providing the code for processing the data set to at least a subset of the VMs; andinitiating execution of the code for processing the ...

LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING SAME

A light guide plate includes a main body and a number of semi-cylindrical shaped protrusions. The main body includes a light incident surface and a top surface perpendicular to the light incident surface. The top surface includes a light emitting area and a fringe area surrounding the light emitting area. The protrusions are continuously distributed on the light incident surface. Each protrusion includes two semicircular end surfaces opposite to each other, a plane fixed surface fixed on the light incident surface, and an arc-shaped peripheral surface. The diameter of the end surfaces is less than 1 millimeter. The length of each protrusion along its central axis is substantially equal to the thickness of the light incident surface along a direction perpendicular to the top surface. 1. A light guide plate , comprising: a light incident surface; and', a light emitting area; and', 'a fringe area surrounding the light emitting area; and, 'a top surface perpendicular to the light incident surface, the top surface comprising], 'a main body comprising two semicircular end surfaces opposite to each other;', 'a plane-shaped fixed surface connected to the two end surfaces and positioned on the light incident surface; and', 'an arc-shaped peripheral surface connected to the two end surfaces and the fixed surface;', 'wherein a diameter of the end surfaces is more than 0 millimeters and less than 1 millimeter, a center axis of each protrusion is perpendicular to the top surface, a length of each protrusion along its central axis is substantially equal to a thickness of the light incident surface along a direction perpendicular to the top surface., 'a plurality of semi-cylindrical protrusions continuously distributed on the light incident surface, each of the protrusions comprising2. The light guide plate of claim 1 , wherein the fixed surface is perpendicular to the two end surfaces.3. The light guide plate of claim 1 , further comprising a bottom surface claim 1 , wherein the ...

Password management system and method for electronic device

A computerized method manages passwords to unlock an electronic device from a standby mode by taking changed GPS coordinates of a location of the electronic device and utilizing the changed coordinates in preset formulas to establish and require a new password in substitution for a current password, to allow unlocking of the electronic device.

RING-SHAPED LIGHT GUIDING MEMBER AND BACKLIGHT MODULE HAVING SAME

A ring-shaped light guiding member includes a ring-shaped light guiding main body having a circumferential surface, and a light introducing portion formed on the circumferential surface. The light introducing portion includes a flat light incident surface perpendicularly connected to the circumferential surface and a curved side surface connected between the light incident surface and the circumferential surface. A backlight module using the ring-shaped light guiding member is also provided. 1. A ring-shaped light guiding member , comprising:a ring-shaped light guiding main body having a circumferential surface; anda light introducing portion formed on the circumferential surface, the light introducing portion comprising a flat light incident surface perpendicularly connected to the circumferential surface and a curved side surface connected between the light incident surface and the circumferential surface.2. The ring-shaped light guiding member of claim 1 , wherein a thickness of the light introducing portion relative to the circumferential surface gradually increases as closer to the light incident surface.3. The ring-shaped light guiding member of claim 1 , wherein the light incident surface is rectangular.4. The ring-shaped light guiding member of claim 1 , wherein the circumferential surface is arc-shaped.5. The ring-shaped light guiding member of claim 1 , wherein the light guiding main body includes a top surface perpendicular to the light incident surface for emitting light.6. A backlight module claim 1 , comprising:a ring-shaped light guiding member, comprising:a ring-shaped light guiding main body having a circumferential surface; anda light introducing portion formed on the circumferential surface, the light introducing portion comprising a flat light incident surface perpendicularly connected to the circumferential surface and a curved side surface connected between the light incident surface and the circumferential surface; anda light source arranged ...

Virtualization-Aware Data Locality in Distributed Data Processing

A virtualized computing system for executing a distributed computing application, such as Hadoop, is discussed. The virtualized computing system stores data in a distributed filesystem, such as Hadoop Distributed File System, and processes data using a topology awareness that takes into account the virtualization layer of the virtualized computing system. The virtualized computing system employs locality-related policies, including replica placement policies, replica choosing policies, balancer policies, and task scheduling policies that take advantage of the awareness of the virtualization topology. 1. A method for storing data in a virtualized computing system comprising a plurality of virtual machines executing on a plurality of host computers arranged in a plurality of interconnected racks , the method comprising:storing a first replica of a data block at a first node executing in a first virtual machine (VM) and associated with a first node group, wherein the first node group comprises a plurality of virtual machines (VMs) that includes the first VM executing on a same first host computer;determining a second node for storing a second replica of the data block based on the first node group of the first node, wherein the second node is associated with a second node group different from the first node group; andstoring the second replica of the data block at the determined second node.2. The method of claim 1 , wherein storing the first replica of the data block at the first node further comprises:receiving a write request for the data block from a process executing in a client VM, wherein the client VM is part of the plurality of VMs comprising the first node group; andresponsive to determining no node local to the client VM is available for storing the data block, selecting the first node for storing the first replica based on the first VM and the client VM are members of the same first node group.3. The method of claim 1 , wherein the second node is executing ...

LENS AND LIGHT SOURCE MODULE INCORPORATING THE SAME

A lens includes a light incident face, a light exit face opposite to the light incident face and a plurality of annular stepwise portions formed on the light exit face. The stepwise portions are located at or near a periphery of the light exit face and each stepwise portion has an annular flat surface. A plurality of micro patterns are arranged on the flat surface of one stepwise portion to scatter light exiting from the periphery of the light exit face. A light source module incorporating the lens is also provided. The light source module includes an LED light source. Light from the LED light source enters the lens from the light incident face and leaves the lens from the light exit face after the light is divergently refracted by the lens. 1. A lens configured for divergently refracting light from an LED (light emitting diode) light source comprising:a light incident face configured for receiving the light from the LED light source;a light exit face opposite to the light incident face, configured for directing the light from the LED light source away from the lens;and a plurality of annular stepwise portions formed on the light exit face;wherein the plurality of the stepwise portions are formed at or near a periphery of the light exit face, each stepwise portion comprises an annular flat surface, and a plurality of micro patterns are arranged on the flat surface of at least one of the stepwise portions to scatter light exiting from the periphery of the light exit face.2. The lens of claim 1 , wherein the light incident face is a concave face and radially symmetrical relative to an optical axis of the lens claim 1 , and the light exit face is a convex face and radially symmetrical relative to the optical axis of the lens.3. The lens of claim 2 , wherein each stepwise portion further comprises a first cylindrical wall extending downwardly from an outer periphery of the annular flat surface thereof claim 2 , and a second cylindrical wall extending upwardly from an ...

Access Node Controller, an Apparatus for an Access Node, an Access Node for a Mobile Communication System, a Mobile Communication System, a Method and a Computer Program for an Access Node

Examples provide an access node controller, an apparatus for an access node, an access node for a mobile communication system, a mobile communication system, method and computer program for an access node. The access node controller is configured to determine one or more transmission parameters for a first access node of a mobile communication system. The mobile communication system further comprises a second access node. The access node controller comprises one or more interfaces configured to obtain priority area information of the second access node. The second access node has priority access in the priority area compared to the first access node. The access node controller comprises a control module configured to control the one or more interfaces and configured to determine the one or more transmission parameters for the first access node based on the priority area information of the second access node and based on an access condition at a priority area boundary. 1. An access node controller for determining one or more transmission parameters of a first access node in a mobile communication system , the access node controller comprisingone or more interfaces configured to obtain priority area information of a second access node in the mobile communication system, the second access node having priority access in a priority area compared to the first access node; anda control module configured to control the one or more interfaces and configured to determine the one or more transmission parameters of the first access node based on the priority area information of the second access node and based on an access condition at a priority area boundary.2. The access node controller of claim 1 , wherein the second access node is comprised in the mobile communication system.3. The access node controller of claim 1 , wherein the access condition comprises an interference level threshold.4. The access node controller of claim 1 , wherein the control module is configured to ...

UPLINK INTERFERENCE MANAGEMENT IN SHARED SPECTRUM NETWORKS

A network control system configured to manage radio communication devices for a Spectrum Access System (SAS) shared spectrum wireless network is disclosed. The network control system may include a receiver to receive an estimate of a proximity to a Priority Access License (PAL) radio communication device for a plurality of user terminals. The estimate may be based on measurements of signals transmitted by the PAL radio communication device. The network control system may also include a processor configured to cause a user terminal to be configured to perform measurements based on the estimate of the proximity to the PAL radio communication device. The performed measurements may include an interference measurement indicative of interference to the PAL radio communication device from a General Authorized Access (GAA) radio communication device. 1. A network control system configured to manage radio communications devices for a Spectrum Access System (SAS) shared spectrum wireless network , the network control system comprising:a receiver to receive an estimate of a proximity to a Priority Access License (PAL) radio communication device for a plurality of user terminals, wherein the estimate is based on measurements of signals transmitted by the PAL radio communication device; anda processor, operatively coupled to the receiver, configured to cause, via a wireless link, a user terminal to be configured to perform measurements based on the estimate of the proximity to the PAL radio communication device, the performed measurements including an interference measurement indicative of interference to the PAL radio communication device from a General Authorized Access (GAA) radio communication device.2. The network control system of claim 1 , wherein the processor is configured to select one or more measurement terminals from the plurality of user terminals based on the estimated proximity of the plurality of user terminals by:selecting one or more of the plurality of user ...

LENS WITH DIFFERENT LAYERS AND LED UNIT USING THE SAME

A lens includes a first optical layer, a second optical layer covering the first optical layer and a third optical layer covering the second optical layer. The first optical layer has a light refractive index larger than that of the second optical layer. The second optical layer has a light refractive index larger than that of the third optical layer. 1. A lens comprising:a first optical layer comprising a first light incident face and a first light emerging face opposite to the first light incident face; anda second optical layer receiving the first optical layer therein, the second optical layer comprising a second light incident face connecting the first light emerging face of the first optical layer, and a second light emerging face opposite to the second light incident face;wherein the second optical layer has a light refractive index less than that of the first optical layer.2. The lens of claim 1 , wherein the second light incident face is totally overlapped with the first light emerging face.3. The lens of claim 2 , wherein the second light incident face directly contacts the first light emerging face.4. The lens of claim 1 , wherein the first light incident face comprises a flat bottom face of the first optical layer.5. The lens of claim 1 , wherein the first light emerging face comprises an elliptical top face of the first optical layer.6. The lens of claim 1 , wherein the second optical layer comprises a bottom face located between the second light incident face and the second light emerging face.7. The lens of claim 6 , wherein the bottom face of the second optical layer is coplanar with the first light incident face of the first optical layer.8. The lens of claim 6 , wherein the second optical layer comprises a lateral face interconnecting the bottom face and the second light emerging face.9. The lens of claim 8 , wherein the lateral face is perpendicular to the bottom face.10. The lens of further comprising a third optical layer covering the second ...

SENSORS BASED ON NEGATIVE CAPACITANCE FIELD EFFECT TRANSISTORS

Chemical sensors and methods of forming and making the same include an input terminal and an output terminal. A negative capacitance structure is configured to control a current passing horizontally from the input terminal to the output terminal, and has a first and second metal layer that are arranged vertically with respect to one another, and a ferroelectric layer positioned between the first and second metal layers. An electrode is in electrical contact with the negative capacitance structure, and is configured to change potential, to exceed a threshold, thereby triggering a discontinuous polarization change in the negative capacitance structure. 1. A chemical sensor , comprising:an input terminal;an output terminal;a negative capacitance structure, configured to control a current passing horizontally from the input terminal to the output terminal, comprising a first and second metal layer that are arranged vertically with respect to one another, and a ferroelectric layer positioned between the first and second metal layers; andan electrode in electrical contact with the negative capacitance structure, configured to change potential, to exceed a threshold, thereby triggering a discontinuous polarization change in the negative capacitance structure.2. The chemical sensor of claim 1 , wherein the ferroelectric layer is formed from a polyvinylidene fluoride.3. The chemical sensor of claim 2 , wherein the ferroelectric layer is formed from P(VDF-TrFe claim 2 , PbZrTi).4. The chemical sensor of claim 1 , wherein the input and output terminals are a source and drain region of a field-effect transistor and wherein the ferroelectric layer acts as a gate for the field-effect transistor.5. The chemical sensor of claim 1 , wherein the input and output terminals are a collector and drain of a bipolar junction transistor and wherein the ferroelectric layer acts as a base for the bipolar junction transistor.6. The chemical sensor of claim 1 , wherein the polarization change ...

DIRECT-TYPE LED BACKLIGHT MODULE

A direct-type LED backlight module includes a supporting base having a supporting face, an LED mounted on the supporting face of the supporting base, and a dome-like light guiding cover positioned on the supporting face of the supporting base and covering the LED. The light guiding cover defines a plurality of through holes for permitting light emitted from the LED to pass through light guiding cover. The through holes are spaced from each other and arranged in a number of imaginary concentric circles relative to a center of the light guiding cover. An inner face of the light guiding cover facing the LED is coated with a reflective film. A semispherical light reflecting portion protrudes downwardly from an inner face of a top portion of the light guiding cover towards the LED. 1. A direct-type LED (light emitting diode) backlight module comprising:a supporting base having a supporting face;an LED mounted on the supporting face of the supporting base; anda dome-shaped light guiding cover positioned on the supporting face of the supporting base and covering the LED, wherein the light guiding cover defines a plurality of through holes for permitting light emitted from the LED to pass through the light guiding cover, the through holes are spaced from each other and arranged in a number of imaginary concentric circles relative to a center of the light guiding cover.2. The direct-type backlight module according to claim 1 , wherein a diameter of each through hole in the concentric circles gradually decreases along a direction from a bottom to a top of the light guiding cover.3. The direct-type backlight module according to claim 2 , wherein a diameter of each through hole in a circle is equal.4. The direct-type backlight module according to claim 1 , wherein the through holes are evenly distributed in each circle.5. The direct-type backlight module according to claim 1 , wherein the light guiding cover further comprises a light reflecting portion protruding downwardly ...

LENS UNIT AND LIGHT SOURCE MODULE WITH SAME

The present disclose relates to a lens unit. The lens unit includes a first lens and a second lens. The first lens includes a first light input surface, a first light output surface opposite to the first light input surface and a first side surface connected to the first light output surface. The first lens has a first refractive index. The second lens defines a cavity at a light input surface thereof for receiving the first lens. The second light output surface of the second lens contacts the first light output surface and the first side surface of the first lens. The second lens has a second refractive index which less than the first refractive index. The present disclose also relates to a light source module with the lens unit.

LENS AND LED MODULE USING THE SAME

A lens includes a bottom face, a light incident face formed in the bottom face, a light emerging face opposite to the bottom face and a lateral face formed between the bottom face and the light emerging face. A light diverging protrusion is formed on the light incident face. The light diverging protrusion has a conical face gradually shrinking away from the light emerging face. An LED unit incorporating the lens is also disclosed. 1. A lens comprising:a light incident face; anda light emerging face opposite to the light incident face; anda light diverging protrusion formed on the light incident face;wherein the light diverging protrusion has a light reflecting face inclined relative to an optical axis extending through the light incident face and the light emerging face;the light incident face encloses a cavity in the lens, the light diverging protrusion being received in the cavity; andthe lens comprises a bottom face opposite to the light emerging face, the cavity being defined in a central area of the bottom face.2. The lens of claim 1 , wherein the light reflecting face is also a light refracting face.3. The lens of claim 1 , wherein the light diverging protrusion is conical.4. The lens of claim 1 , wherein the light diverging protrusion has a diameter gradually decreasing in a direction away from the light emerging face.56.-. (canceled)7. The lens of claim 1 , wherein the light emerging face comprises a flat face located above the light incident face and a curved face surrounding the flat face.8. The lens of claim 7 , wherein the curved face smoothly connects the flat face.9. The lens of claim 7 , wherein the lens comprises a lateral face interconnecting the light emerging face and the bottom face.10. The lens of claim 9 , wherein the curved face abruptly connects the lateral face.11. The lens of claim 9 , wherein the curved face has a diameter gradually increasing from the flat face towards the lateral face.12. The lens of claim 9 , wherein the lateral face is ...

LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCORPORATING THE SAME

A light guide plate includes a light incident face, a bottom face adjacent to the light incident face and a light exit face opposite to the bottom face. The micro lenses are formed on the light incident face in series to diffuse light incident thereon. Two adjacent micro lenses cooperatively define a V-shaped groove therebetween. Each groove defines an opening. The width of the openings of the grooves gradually changes from a center of the light incident face toward lateral sides thereof. A backlight module incorporating the light guide plate is also provided. 1. A light guide plate comprising:a light incident face;a bottom face adjacent to the light incident face; anda light exit face adjacent to the light incident face and opposite to the bottom face;wherein a plurality of micro lenses are formed on the light incident face in series to diffuse light incident thereon, and every two adjacent micro lenses cooperatively define a V-shaped groove therebetween; andwherein each groove defines an opening, and the width of the openings of the grooves gradually changes from a center of the light incident face toward lateral sides thereof2. The light guide plate of claim 1 , wherein the width of the openings of the grooves firstly decreases gradually and then increases gradually from the center of the light incident face toward the lateral sides thereof.3. The light guide plate of claim 1 , wherein the width of the openings of the grooves increases gradually from the center of the light incident face toward the lateral sides thereof4. The light guide plate of claim 3 , wherein the light incident face is perpendicular to the light exit face claim 3 , and each micro lens extends longitudinally from the light exit face to the bottom face of the light guide plate.5. The light guide plate of claim 4 , wherein each micro lens is elongated claim 4 , and a depth of each groove between every two adjacent micro lenses is equal to each other.6. The light guide plate of claim 5 , wherein ...

Optical lens and light source module having the same

A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident surface facing the light source, and a light emitting face opposite to the light incident face. The light emitted from the light source is entered into the optical lens from the light incident face, and exited from the light emitting face. A refractive index of the optical lens gradually decreases along a direction from the light incident face to the light emitting face of the optical lens.

LENS WITH DIFFUSION STRUCTURE AND BACKLIGHT MODULE INCORPORATING THE SAME

A lens for an LED backlight module includes a main lens body and a diffusion structure consisting of a plurality of micro lenses. The main lens body includes a light incident face for receiving light from an LED light source and a light exit face opposite to the light incident face thereof. Light leaves the lens from the light exit face. The micro lenses of the diffusion structure are formed on the light exit face of the main lens body. Each micro lens is annular and has a generally triangular cross section. Each micro lens includes a first light scattering surface and a second light scattering surface intersecting with the first light scattering surface. The micro lenses are arranged in a series of concentric circles with regard to a center of the lens. A backlight module source incorporating the lens and the LED light source is also provided. 1. A lens for an LED (light emitting diode) backlight module comprising:a main lens body comprising a light incident face configured for receiving light from an LED light source and a light exit face opposite to the light incident face thereof; anda diffusion structure having a plurality of micro lenses formed on the light exit face of the main lens body;wherein each micro lens is annular, and the micro lenses are arranged in a series of concentric circles with regard to a center point located on an optical axis of the main lens body of the lens; andwherein each micro lens comprises a first light scattering surface and a second light scattering surface intersecting with the first scattering surface, and the first light scattering surface and the second light scattering surface are both inclined relative to the optical axis of the main lens body of the lens.2. The lens of claim 1 , wherein the main lens body further comprises an annular mounting face interconnecting the light incident face and the light exit face claim 1 , and the light incident face is located at a center of the mounting face and recessed inwardly from an ...

UPLINK INTERFERENCE MANAGEMENT IN SHARED SPECTRUM NETWORKS

A network control system configured to manage radio communication devices for a Spectrum Access System (SAS) shared spectrum wireless network is disclosed. The network control system may include a receiver to receive an estimate of a proximity to a Priority Access License (PAL) radio communication device for a plurality of user terminals. The estimate may be based on measurements of signals transmitted by the PAL radio communication device. The network control system may also include a processor configured to cause a user terminal to be configured to perform measurements based on the estimate of the proximity to the PAL radio communication device. The performed measurements may include an interference measurement indicative of interference to the PAL radio communication device from a General Authorized Access (GAA) radio communication device. 1. A network control system configured to manage radio communications devices for a Spectrum Access System (SAS) shared spectrum wireless network , the network control system comprising:a receiver to receive measurements of one or more signals from a plurality of user terminals, the one or more signals transmitted by a Priority Access License (PAL) radio communication device, and determine an estimate of a proximity to the PAL radio communication device for the plurality of user terminals, wherein the estimate is based on the measurements of the one or more signals transmitted by the PAL radio communication device; anda processor, operably coupled to the receiver, configured to cause a user terminal to be configured to perform interference measurements based on the estimate of the proximity to the PAL radio communication device, the performed interference measurements including an interference measurement indicative of interference to the PAL radio communication device from a General Authorized Access (GAA) radio communication device, wherein the processor is configured to sort the plurality of user terminals based on their ...

OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident surface facing the light source, and a light emitting face opposite to the light incident face. The light emitted from the light source is entered into the optical lens from the light incident face, and exited from the light emitting face. A refractive index of the optical lens gradually decreases along a direction from the light incident face to the light emitting face of the optical lens. 1. An optical lens for adjusting light emitted from a light source , comprising:a light incident face facing the light source;a light emitting face opposite to the light incident face; anda connecting face connecting the light incident face and the light emitting face, and the light emitting face comprising a first curved face and a second curved face surrounding and extending outwardly from the first curved face;wherein an outer periphery of the second curved face of the light emitting face correspondingly meets an outer periphery of the connecting face.2. The optical lens as claimed in claim 1 , wherein a center of a bottom face of the optical lens is recessed inwardly claim 1 , whereby the light incident face is formed.3. The optical lens as claimed in claim 2 , wherein the light incident face is a sculptured face claim 2 , a ellipsoidal face claim 2 , a spherical face or a paraboloidal face.4. The optical lens as claimed in claim 1 , wherein a center of the top face of the optical lens is recessed inwardly claim 1 , whereby the first curved face is formed.5. The optical lens as claimed in claim 4 , wherein the first curved face is a sculptured face claim 4 , a ellipsoidal face claim 4 , a spherical face or a paraboloidal face.6. The optical lens as claimed in claim 1 , wherein the first curved face protrudes toward the light incident face claim 1 , and the second curved face protrudes away from the light incident face.7. The optical lens as ...

OPTICAL COUPLING LENS AND OPTICAL FIBER COUPLING CONNECTOR

An optical fiber coupling connector includes a board, a light receiving device, two light emitting devices, a controller and an optical coupling lens. The optical coupling lens includes three main bodies, each includes a bottom surface, a top surface, an alignment surface, a first and a second side surface, a third side surface obliquely connected to the first side surface, and a fourth side surface obliquely connected to the second side surface and connected to the third side surface at a second edge. The alignment surface, the first side surface, the third side surface, the fourth side surface and the second side surface are connected to each other end to end in that order. The third side surface of each one of the main bodies contacts the fourth side surface of an adjacent one of the main bodies. At least three optical fibers positioned to the optical coupling lens. 1. An optical fiber coupling connector , comprising:a board;a light receiving device;two light emitting devices;a controller, wherein the light receiving device, the light emitting devices and the controller are positioned on the board; a bottom surface;', 'a top surface opposite to the bottom surface;', 'a alignment surface;', 'a first side surface;', 'a second side surface;', 'a third side surface obliquely connected to the first side surface; and', 'a fourth side surface obliquely connected to the second side surface and connected to the third side surface at a second edge;', 'wherein the alignment surface, the first side surface, the third side surface, the fourth side surface, and the second side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end in that order;', 'wherein the three main bodies are connected to each other, such that the third side surface of each one of the main bodies contacts the fourth side surface of an adjacent one of the main bodies; and, 'an optical coupling lens positioned on the board the optical coupling ...

OPTICAL COUPLING LENS AND OPTICAL FIBER COUPLING CONNECTOR

An optical fiber coupling connector includes a board, a light receiving device, two light emitting devices, a controller and an optical coupling lens. The optical coupling lens includes three main bodies, each includes a bottom surface, a top surface, an alignment surface, a first and a second side surface, a third side surface obliquely connected to the first side surface, and a fourth side surface obliquely connected to the second side surface and connected to the third side surface at a second edge. The alignment surface, the first side surface, the third side surface, the fourth side surface and the second side surface are connected to each other end to end in that order. The third side surface of each one of the main bodies contacts the fourth side surface of an adjacent one of the main bodies. At least three optical fibers positioned to the optical coupling lens. 1. An optical fiber coupling connector , comprising:a board;a light receiving device;two light emitting devices;a controller, wherein the light receiving device, the light emitting devices and the controller are positioned on the board; a bottom surface;', 'a top surface opposite to the bottom surface;', 'a alignment surface;', 'a first side surface;', 'a second side surface;', 'a third side surface obliquely connected to the first side surface; and', 'a fourth side surface obliquely connected to the second side surface and connected to the third side surface at a second edge;', 'wherein the alignment surface, the first side surface, the third side surface, the fourth side surface, and the second side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end in that order;', 'wherein the three main bodies are connected to each other, such that the third side surface of each one of the main bodies contacts the fourth side surface of an adjacent one of the main bodies; and, 'an optical coupling lens positioned on the board the optical coupling ...

COMMUNICATION DEVICE AND METHOD FOR COMMUNICATING USING A FREQUENCY RANGE

A communication device is described comprising a transceiver configured for communication according to a wide area network radio access technology and configured for communication according to a local area network radio access technology, a detector configured to detect whether a frequency range is unoccupied and a controller configured to control the transceiver to, if the frequency range is unoccupied, transmit data according to the local area network radio access technology to occupy the frequency range until a communication starting time according to a frame structure of the wide area network radio access technology and to control the transceiver to start communication using the frequency range according to the wide area network radio access technology at the communication starting time. 1. A communication device comprising:a transceiver configured for communication according to a wide area network radio access technology and configured for communication according to a local area network radio access technology;a detector configured to detect whether a frequency range is unoccupied; and to control the transceiver to, if the frequency range is unoccupied, transmit data according to the local area network radio access technology to occupy the frequency range until a communication starting time according to a frame structure of the wide area network radio access technology; and', 'to control the transceiver to start communication using the frequency range according to the wide area network radio access technology at the communication starting time., 'a controller configured'}2. The communication device of claim 1 , wherein the communication starting time is a frame or subframe starting time according to a frame structure of the wide area network radio access technology.3. The communication device of claim 1 , wherein the wide area network radio access technology is Long Term Evolution (LTE).4. The communication device of claim 3 , wherein the wide area network ...

LIGHT SOURCE DEVICE

The present disclose relates to light source device, which including a light source and a lens opposite to the light source. The lens includes a bottom surface, a light input surface, a top surface and a side surface. The light input surface depresses from the bottom surface towards a top surface of the lens. The light input surface is an aspheric surface. The top surface is opposite and parallel to the bottom surface. The side surface connects the bottom surface and the top surface. The side surface is a curved surface formed by rotating a curve line about the central axis of the lens. Light emitted from the light source enters the lens and is refracted by the side surface and the top surface of the lens to outside. 1. A light source device , comprising a light source and a lens opposite to the light source , the lens comprising:a bottom surface;a light input surface depressing from the bottom surface , the light input surface being an aspheric surface;a top surface opposite and parallel to the bottom surface; anda side surface connecting the bottom surface and the top surface, the side surface being a curved surface formed by rotating a curve line about a central axis of the lens, light emitted from the light source entering the lens and being refracted by the side surface and the top surface of the lens to outside.2. The light source device of claim 1 , wherein the side surface is formed by rotating a semicircular line about the central axis of the lens.3. The light source device of claim 1 , wherein the bottom surface and the top surface are planar surfaces.4. The light source device of claim 1 , wherein the lens is made of borosilicate glass.5. The light source device of claim 1 , wherein the light source is an LED claim 1 , and the central axis of the light source is coaxial to that of the lens.6. The light source device of claim 1 , wherein the side surface smoothly connects the top surface and the bottom surface.7. The light source device of claim 1 , ...

Light guiding element and backlight module

A light guide element includes a hollow housing defining a cavity and a reflective film. The housing includes a front wall with an opening, a closed rear wall opposite to the front wall, and four sidewalls interconnected between the front wall and the rear wall. One of the sidewalls defines a number of light output holes. The opening and the light output holes communicate with the cavity. The reflective film is formed on the entirely inner side surfaces of the housing in the cavity. Light from the opening is repeatedly reflected by the reflective film in the cavity and finally exits the housing through the light input holes.

WINDOW GLASS

A window glass includes an incident surface, an emergent surface opposite to the incident surface, a bottom surface, and a top surface opposite to the bottom surface. The incident surface and the emergent surface are interconnected between the top surface and the bottom surface. A plurality of sawteeth is defined on the emergent surface. Each sawtooth includes a first surface adjacent to the top surface and a second surface adjacent to the bottom surface. In each sawtooth, an angle between the first surface and the incident surface is over 90 degrees. The second surface and the incident surface cooperatively define an acute angle. The acute angle increases from the top surface down to the bottom surface and causes the redirection of early morning sunlight up to a ceiling of a room or building containing the window glass. 1. A window glass comprising:a top surface;a bottom surface opposite to the top surface;an incident surface interconnected between the top surface and the bottom surface; andan emergent surface interconnected between the top surface and the bottom surface and opposite to the incident surface, the emergent surface defining a plurality of sawteeth, each sawtooth comprising a first surface and a second surface intersected with the first surface, an angle between the first surface of each sawtooth and the incident surface exceeding 90 degrees, the second surface and the incident surface defining an acute angle, the acute angle increasing gradually from the top surface to the bottom surface, and an area of the first surface of each sawteeth increasing gradually from the top surface to the bottom surface, wherein in each sawtooth, a distance between the first surface and the top surface is less than a distance between the second surface and the top surface.2. The window glass of claim 1 , wherein a second surface interconnects between two adjacent first surfaces.3. The window glass of claim 1 , wherein the incident surface is substantially a flat plane.4. ...

OPTICAL COUPLING LENS AND OPTICAL FIBER COUPLING CONNECTOR

An optical coupling lens includes three main bodies, the main body further includes a bottom surface, a top surface opposite to the bottom surface, an alignment surface, a first side surface, a second side surface, a third side surface, and a fourth side surface. The alignment surface, the first side surface, the second side surface, the third side surface, and fourth side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end. The three main bodies connect to each other end to end, and the third side surface of one of the main bodies correctly aligns with the fourth side surface of another of the main bodies. 1. A optical coupling lens , comprising: a bottom surface;', 'a top surface opposite to the bottom surface;', 'a alignment surface;', 'a first side surface;', 'a second side surface;', 'a third side surface; and', 'a fourth side surface;', 'wherein the alignment surface, the first side surface, the second side surface, the third side surface, and fourth side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end;, 'a main body comprisingwherein the optical coupling lens includes three main bodies connected to each other end to end, the third side surface of one of the main bodies correctly aligns with the fourth side surface of another of the main bodies.2. The optical coupling lens in accordance with claim 1 , wherein the main body includes a first convergent area is positioned on the alignment surface and a second convergent area is positioned on the bottom surface claim 1 , the first convergent area corresponds to the second convergent area.3. The optical coupling lens in accordance with claim 1 , wherein an angle between the top surface and the bottom surface is 45 degrees claim 1 , and an angle between the top surface and the alignment surface is 45 degrees.4. The optical coupling lens in accordance with claim 1 , wherein an angle ...

MICROSCOPE APPARATUS

A microscope apparatus includes light source configured to generate an illuminating beam. The microscope apparatus further includes a first beam splitter configured to split the illuminating beam into a first component along a first path and a second component along a second path. The microscope apparatus further includes a movable reflector module along the second path. The microscope apparatus further includes a moving mechanism connected to the movable reflector module, wherein the moving mechanism is configured to move the movable reflector in a first direction for adjusting a length of the second path. The microscope apparatus further includes a second beam splitter configured to recombine the first component and the second component. The microscope apparatus further includes an observing device configured to receive the recombined first component and second component. 1. A microscope apparatus , comprising:an electromagnetic wave source configured to generate an illuminating electromagnetic wave;a first beam splitter configured to split the illuminating electromagnetic wave into a first component along a first path and a second component along a second path;a movable reflector module configured to adjust a portion of the second path;a second beam splitter configured to recombine the first component and the second component; andan observing device arranged along the first path and configured to receive the recombined first component and second component.2. The microscope apparatus of claim 1 , wherein the movable reflector module comprises a plurality of reflectors.3. The microscope apparatus of claim 2 , wherein the movable reflector module further comprises a compensator plate.4. The microscope apparatus of claim 3 , wherein the compensator plate is between adjacent reflectors of the plurality of reflectors.5. The microscope apparatus of claim 2 , wherein the compensator plate and the plurality of reflectors are movable in unison.6. The microscope apparatus ...

ACCESSING A COMMUNICATION CHANNEL USING DISPARATE COMMUNICATION SYSTEMS

Some embodiments of this disclosure include apparatuses and methods for accessing a communication frequency channel by a first communication system during a first time interval, and accessing the communication frequency channel by a second communication system during a second time interval adjacent to the first time interval. The first communication system communicates using cellular communication techniques, and the second communication system communicates using IEEE 802.11 based communication techniques. 1. An apparatus for providing vehicle-to-everything (V2X) communications , comprising:a first communication system configured to access a communication frequency channel during a first time interval; anda second communication system configured to access the communication frequency channel during a second time interval adjacent to the first time interval;wherein the first communication system is configured to communicate using cellular based communication, and the second communication system is configured to communicate using an Institute of Electrical and Electronics Engineers (IEEE) 802.11 based communication.2. The apparatus of claim 1 , wherein the first communication system is configured to communicate cellular communication signals during the first time interval claim 1 , and the second communication system is configured to communicate IEEE 802.11 based communication signals during the second time interval.3. The apparatus of claim 1 , wherein the first communication system is configured to communicate during a first set of time intervals and the second communication system is configured to communicate during a second set of time intervals claim 1 , wherein the first set of time intervals alternates with the second set of time intervals such that each time interval from the first set of time intervals is adjacent to a time interval from the second set of time intervals claim 1 , and wherein the first time interval is included in the first set of time ...

LIGHT REFLECTING DEVICE AND RELATED LIGHT CURING DEVICE

A light reflecting device comprises: two juxtaposed elongate sidewalls having inwardly curved inner surfaces facing each other; two opposite side panels, the sidewalls interposed and connected between the side panels, the side panel has flat inner surfaces facing each other and being perpendicular to a lengthwise direction of the sidewalls; and an elongate bottom wall interconnected between the sidewalls and the side panels, the bottom wall has an elongated outwardly curved inner surface interconnected between the inwardly curved inner surfaces. 1. A light reflecting device comprising:two juxtaposed elongate sidewalls having inwardly curved inner surfaces facing each other;two opposite side panels; the sidewalls interposed and connected between the side panels, the side panels having flat inner surfaces facing each other and being perpendicular to a lengthwise direction of the sidewalls; andan elongate bottom wall interconnected between the sidewalls and the side panels, the bottom wall having an elongated outwardly curved inner surface interconnected between the inwardly curved inner surfaces.2. The light reflecting device of claim 1 , wherein a radius of an arc defined by each inwardly curved inner surface is greater than a radius of an arc defined by the outwardly curved inner surface.3. The light reflecting device of claim 1 , further comprising a reflecting layer formed on the outwardly curved inner surface claim 1 , the flat inner surfaces and the inwardly curved inner surfaces.4. The light reflecting device of claim 1 , wherein the reflecting layer is made of metal.5. The light reflecting device of claim 1 , wherein the metal is selected from the group consisting of gold claim 1 , silver claim 1 , copper claim 1 , aluminum and any combination thereof.6. A light curing device claim 1 , comprising:a light reflecting device comprising:two juxtaposed elongate sidewalls having inwardly curved inner surfaces facing each other;two opposite side panels; the sidewalls ...

LENS UNIT AND LED MODULE USING THE SAME

A lens unit includes a lens and a reflector hung to the lens. The lens includes a bottom face, a light incident face formed in the bottom face, a light emerging face opposite to the bottom face and a lateral face connecting the bottom face with the light emerging face. A wire extends through the light incident face and the light emerging face. A top end of the wire is attached on a block disposed on the light emerging face, a bottom end of the wire is attached to the reflector. An LED module incorporating the lens unit is also disclosed. 1. A lens unit comprising:a lens; and 'a wire hanging the reflector to the lens.', 'a reflector; and'}2. The lens unit of claim 1 , wherein the lens comprises a light incident face and a light emerging face opposite to the light incident face claim 1 , a slot extending from the light incident face to the light emerging face.3. The lens unit of claim 2 , wherein the wire extends through the slot.4. The lens unit of claim 1 , wherein the wire is rigid.5. The lens unit of further comprising a block abutting against the light emerging face claim 2 , wherein an end of the wire connects the block claim 2 , and an opposite end of the wire connects the reflector.6. The lens unit of claim 5 , wherein the light emerging face comprises a concave face and a convex face surrounding the concave face claim 5 , the block abutting against the concave face.7. The lens unit of claim 2 , wherein the light incident face encloses a cavity in the lens claim 2 , the reflector being hung in the cavity.8. The lens unit of claim 2 , wherein the lens further comprises a bottom face opposite to the light emerging face claim 2 , the light incident face being defined in a central area of the bottom face.9. The lens unit of claim 8 , wherein the lens further comprises a lateral face interconnecting the light emerging face and the bottom face claim 8 , the lateral face being perpendicular to the bottom face.10. The lens unit of claim 1 , wherein the reflector ...

OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The optical lens further includes a plurality of protrusions protruding outwardly from the light emitting face, and a plurality of grooves defining in the connecting face. The protrusions are formed on the lateral face and located adjacent to the connecting face, and the grooves are located adjacent to the lateral face. 1. An optical lens for adjusting light emitted from a light source , comprising:a light incident face facing the light source;a light emitting face opposite to the light incident face;a connecting face connecting the light incident face and the light emitting face; anda plurality of first protrusions protruding outwardly from the light emitting face;wherein the connecting face is planar, and the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face; andwherein the first protrusions are formed on the lateral face and located adjacent to the connecting face.2. The optical lens as claimed in claim 1 , wherein the first protrusions are annular and extend along a circumferential direction of the lateral face.3. The optical lens as claimed in claim 1 , wherein a cross section of the first protrusions is in a zigzag pattern.4. The optical lens as claimed in claim 1 , wherein one first protrusion abuts another first protrusion.5. The optical lens as claimed in claim 4 , wherein a first groove is formed between every two neighbouring first protrusions.6 ...

OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face includes a center facet facing the light incident face, a first curved facet surrounding and connecting to the center facet, and a second curved facet surrounding and smoothly connecting to the first curved facet. 1. An optical lens for adjusting light emitted from a light source , comprising:a light incident face facing the light source;a light emitting face opposite to the light incident face; anda connecting face connecting the light incident face and the light emitting face;wherein the connecting face is planar, and the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face; andwherein the top face of the light emitting face comprises a center facet facing the light incident face, a first curved facet surrounding and connecting to the center facet, and a second curved facet surrounding and smoothly connecting to the first curved facet.2. The optical lens as claimed in claim 1 , wherein a center of a bottom face of the optical lens is recessed inwardly claim 1 , whereby the light incident face is formed.3. The optical lens as claimed in claim 2 , wherein the light incident face is a sculptured face claim 2 , an ellipsoidal face claim 2 , a spherical face or a paraboloidal face.4. The optical lens as claimed in claim 1 , wherein the center facet is planar.5. The optical lens as claimed in claim 1 , wherein the center ...

MICROSCOPE APPARATUS AND METHOD FOR PHASE IMAGE ACQUISITION

A microscope apparatus includes an electromagnetic wave source configured to generate an illuminating electromagnetic wave, a first beam splitter configured to split the illuminating electromagnetic wave into a first component along a first path and a second component along a second path, a movable reflector module configured to adjust a portion of the second path, and a second beam splitter configured to recombine the first component and the second component. An observing device is configured to receive the recombined first component and second component and the microscope apparatus is configured acquire a phase image from the observing device based on positioning of the movable reflector module and representative of an electric field distribution near an object located along the first path between the first beam splitter and the second beam splitter. 1. A microscope apparatus , comprising:an electromagnetic wave source configured to generate an illuminating electromagnetic wave;a first beam splitter configured to split the illuminating electromagnetic wave into a first component along a first path and a second component along a second path;a movable reflector module configured to adjust a portion of the second path;a second beam splitter configured to recombine the first component and the second component; andan observing device configured to receive the recombined first component and second component,wherein the microscope apparatus is configured to acquire, from the observing device, a phase image based on positioning of the movable reflector module and representative of an electric field distribution near an object located along the first path between the first beam splitter and the second beam splitter.2. The microscope apparatus of claim 1 , wherein the phase image is representative of the electric field distribution at a distance from the object that is less than three wavelengths of the illuminating electromagnetic wave.3. The microscope apparatus of claim ...

LIGHT DIFFUSION MEMBER, AND LIGHT EMITTING DEVICE, AND DISPLAY DEVICE USING THE SAME

A light diffusion member includes a matrix and a number of quantum dots uniformly dispersed in the matrix. The matrix is made of epoxy resin and ammonium persulfate. The quantum dots have a mass percentage of about 10% to about 20% of the total mass of the light diffusion member. A light emitting device using the light diffusion member and a display device using the light emitting device are also provided. 1. A light diffusion member comprising:a matrix comprised of epoxy resin and ammonium persulfate; anda plurality of quantum dots dispersed in the matrix;wherein the quantum dots have a mass percentage of about 10% to about 20% of the total mass of the light diffusion member.2. The light diffusion member of claim 1 , wherein the epoxy resin has a mass percentage of about 10% to about 15% of the total mass of the light diffusion member claim 1 , the ammonium persulfate has a mass percentage of about 65% to about 80% of the total mass of the light diffusion member.3. The light diffusion member of claim 1 , wherein the quantum dots comprise red quantum dots and green quantum dots.4. The light diffusion member of claim 3 , wherein the red quantum dots and the green quantum dots are in a weight ratio of about 1:1.5. The light diffusion member of claim 1 , wherein the matrix of the light diffusion member comprises a diffusion surface and a surface opposite to the diffusion surface; the surface defines a receiving groove for receiving a light source; the diffusion surface is configured to diffuse light emitted by the light source.6. The light diffusion member of claim 5 , wherein the diffusion surface is curved.7. A light emitting device comprising:a substrate; andat least one light source positioned on and electrically connected with the substrate; andat least one light diffusion member covered on at least one light source, each light diffusion member comprising:a matrix comprised of epoxy resin and ammonium persulfate; anda plurality of quantum dots dispersed in the ...

OPTICAL LENS AND LIGHTING DEVICE HAVING SAME

An optical lens for adjusting viewing angle of and diffusing light emitted from a light emitting diode includes a light incident surface and a light emitting surface. The light incident surface is cone-shaped and concave towards the light emitting surface. The light emitting surface is cone-shaped and concave towards the light incident surface. 1. An optical lens for increasing viewing angle of and evenly diffusing light from a light emitting diode , comprising:a light incident surface; anda light emitting surface;wherein the light incident surface is cone-shaped and concave towards the light emitting surface, the light emitting surface is cone-shaped and concave towards the light incident surface, the optical lens further comprises a plurality of annular protrusions formed on the light incident surface, the annular protrusions are coaxial and a center of each of the annular protrusions is located at an optical axis of the lens which extends through a vertex of the light emitting surface and a vertex of the light incident surface.2. The optical lens of claim 1 , wherein each of the annular protrusions has a semicircular cross section.3. The optical lens of claim 2 , wherein a diameter of the cross section of each of the annular protrusions gradually decreases in a direction away from the optical axis.4. The optical lens of claim 1 , wherein each of the annular protrusions has a triangular cross section.5. The optical lens of claim 4 , wherein each of the annular protrusions comprises a first surface and a second surface claim 4 , and an included angle between the first surface and the second surface is less than 90 degrees.6. The optical lens of claim 5 , wherein the first surface is a part of a cone claim 5 , and a vertex of the cone defined by the first surface is positioned at the optical axis.7. The optical lens of claim 6 , wherein the first surfaces of the annular protrusions are oriented to a same point.8. The optical lens of claim 1 , wherein optical lens is ...

Core Holding System

The present disclosure discloses a core holding system, comprising: a sleeve in which a cavity capable of accommodating a core is formed; an adjustment plug set comprising a plurality of adjustment plugs having grooves of different diameters, wherein any one of the adjustment plugs is dismountably connectable to the sleeve, and when the adjustment plug is mounted on the sleeve, an end of the adjustment plug having the groove is insertable into the sleeve while abutting against the core; a heating module provided to sheathe the sleeve; and a thermal insulation module provided to sheathe the heating module. Before the core is held, the operator may select a matched adjustment plug from the adjustment plug set according to a diameter of a core to be held, so that a diameter of the groove of the adjustment plug is matched with a diameter of an end of the core, thereby ensuring that the end of the core can be engaged in the groove, thus ensuring that the core holding system can stably and tightly engage the core, and preventing the held core from being shifted or loosened. 2. The core holding system according to claim 1 , wherein the core holding system selects an adaptive adjustment plug according to a diameter of a core to be held.3. The core holding system according to claim 1 , wherein the core holding system comprises a bracket on which the sleeve is rotatably provided around a first axis.4. The core holding system according to claim 3 , wherein a support is transversely and rotatably provided between the sleeve and the bracket claim 3 , and a length direction of the support coincides with the first axis.5. The core holding system according to claim 4 , wherein there are two supports provided symmetrically.6. The core holding system according to claim 3 , wherein the bracket is provided with rollers enabling the bracket to slide relative to the ground.7. The core holding system according to claim 1 , wherein the adjustment plugs are provided at two ends of the ...

Method and Device for Testing Wettability of Dense Oil Reservoir

Disclosed herein are methods for testing wettability of dense oil reservoir. The method comprises: by using a nuclear magnetic resonance testing method, testing nuclear magnetic resonance maps of the dense oil reservoir in the saturated water state and in the saturated oil state; by using the nuclear magnetic resonance maps, analyzing a water-wetting degree and an oil-wetting degree of the dense oil reservoir; calculating a mixed wettability index of the dense oil reservoir, and estimating the wettability of the dense oil reservoir according to the mixed wettability index. This disclosure can effectively improve testing efficiency, quantitatively analyze the water-wetting degree and the oil-wetting degree of the dense oil reservoir, and improve accuracy of testing results. 1. A method for testing wettability of dense oil reservoir , the method comprising:{'sub': '2', 'testing nuclear magnetic resonance Tmaps of the dense oil reservoir in a saturated water state and in a saturated oil state;'}{'b': '2', 'calculating a water-wetting coefficient and an oil-wetting coefficient of the dense oil reservoir according to the nuclear magnetic resonance T maps of the dense oil reservoir in the saturated water state and in the saturated oil state;'}calculating a mixed wettability index of the dense oil reservoir by using the water-wetting coefficient and the oil-wetting coefficient of the dense oil reservoir, and determining the wettability of the dense oil reservoir according to the mixed wettability index.2. The method for testing wettability of dense oil reservoir according to claim 1 , wherein calculating a water-wetting coefficient and an oil-wetting coefficient of the dense oil reservoir includes:{'sub': '2', 'placing the nuclear magnetic resonance Tmaps of the dense oil reservoir in the saturated water state and in the saturated oil state, into the same coordinate system;'}{'sub': '2', 'b': 2', '2, 'by using a Tcutoff value, dividing the nuclear magnetic resonance T maps ...

Electrode having heat sinks and coating device

An electrode is made of conductive material, and includes a first surface, a second surface, and two opposite side surfaces. The second surface is opposite to the first surface. The two side surfaces are connected to the first surface and the second surface. A number of heat sinks are positioned on the second surface and the two first side surfaces, and are configured for exhausting heat generated by the electrode.

Optical lens and lighting device having same

An optical lens for increasing viewing angle of light from a light emitting diode includes a bottom surface, a reflective surface, and a side surface connected between the bottom surface and the reflective surface. The light emitting diode is received in the bottom surface. The reflective surface defines a cone-shaped recess and is concaved from a top of the optical lens towards the bottom surface. A vertex angle of the cone-shaped recess defined by the reflective surface is less than or equal to 60 degrees.

LENS AND LIGHT SOURCE MODULE INCORPORATING THE SAME

A lens includes a light incident face, a light exit face opposite to the light incident face and a plurality of micro dot patterns formed on the light exit face. The light incident face is a concave face and the light exit face is a convex face. The plurality of micro dot patterns are positioned at a central portion of the light exit face. A light source module incorporating the lens is also provided. The light source module includes a light emitting diode emitting light into the lens through the light incident face. The micro dot patterns direct the light from the light emitting diode and through the central portion of the light exit face toward a peripherial side of the lens. 1. A lens comprising:a light incident face configured for receiving light from a light emitting diode light source;a light exit face opposite to the light incident face;a plurality of micro dot patterns arranged on the light exit face;wherein the light incident face is a concave face and the light exit face is a convex face, and the plurality of micro dot patterns are formed on a central portion of the light exit face.2. The lens of claim 1 , wherein the central portion of the light exit face is flat.3. The lens of claim 1 , wherein the central portion of the light exit face is recessed inwardly toward the light incident face to define a recess claim 1 , and the plurality of micro dot patterns are received in the recess.4. The lens of claim 3 , wherein the recess has a depth equal to a thickness of the micro dot patterns.5. The lens of claim 1 , wherein each micro dot pattern is hemispherical.6. The lens of claim 5 , wherein the micro dot patterns are spaced from each other.7. The lens of claim 5 , wherein the plurality of micro dot patterns are arranged in a series of concentric circles or a matrix on the central portion of the light exit face.8. The lens of claim 1 , further comprising an annular connecting face interconnecting the light incident face and the light exit face.9. The lens of ...

LIGHT SOURCE MODULE

A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface. The light source emits light rays, and faces the light incident surface. The light incident surface guides the light rays into the light guide pole, and the at least one side surface totally reflects the light rays. At least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole. The at least one slot destroys the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface. 1. A light source module , comprising:a light source for emitting light rays; anda light guiding pole made of transparent material and comprising a light incident surface facing the light source and at least one side surface connected to the light incident surface, wherein the light incident surface is configured for guiding the light rays into the light guide pole, and the at leas one side surface is configured for totally reflecting the light rays; at least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole, the at least one slot is configured for destroying the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface.2. The light source module of claim 1 , wherein the light guiding pole is cubic claim 1 , the number of the at least one side surface is four claim 1 , the number of the at least one slot is four claim 1 , and each of the four slots is defined at an intersection of each two adjacent side surfaces.3. The light source module of claim 2 , wherein a cross-section of each of the slots along a ...

BACKLIGHT MODULE INCLUDING CICULAR AND CYLINDER FRESNEL LENSES

A backlight module includes a carrier plate, a plurality of light sources, a plurality of circular Fresnel lenses, and a plurality of cylinder Fresnel lenses. The circular Fresnel lenses are arranged in an array form on the carrier plate. The light sources correspond to the circular Fresnel lenses, and are located in a side away from the carrier plate. One cylinder Fresnel lens is set between every two adjacent circular Fresnel lenses. A length direction of each cylinder Fresnel lens is parallel to an extending direction of adjacent column of the circular Fresnel lens. The circular and cylinder Fresnel lenses are used to reflect a light incident into their surfaces, and to increase an emission angle of the reflected light. 1. A backlight module , comprising:a carrier plate;a plurality of light sources;a plurality of circular Fresnel lenses, wherein the plurality of circular Fresnel lenses are arranged in an array form on the carrier plate; anda plurality of cylinder Fresnel lenses that are parallel to each other;wherein the plurality of light sources correspond with the plurality of circular Fresnel lenses, and are positioned in a side away from the carrier plate; one cylinder Fresnel lens is set between every two adjacent circular Fresnel lenses; a length direction of each cylinder Fresnel lens is parallel to an extending direction of adjacent column of the circular Fresnel lens; the plurality of circular and cylinder Fresnel lenses arranged to reflect light incident into surfaces of the plurality of circular and cylinder Fresnel lenses, and to increase an emission angle of the reflected light.2. The backlight module as claimed in claim 1 , wherein a cross sectional of each circular Fresnel lenses along its own diameter direction comprises an optical surface and an opposite bottom surface; the bottom surface is a flat surface; the optical surface comprises a center portion and a plurality of sector portions which are symmetrical to the center portion; the center ...

LIGHT GUIDE PLATE HAVING UNIFORM LIGHT EMISSION AND MANUFACTURING METHOD THEREOF

A light guide plate includes a main body and a number of micro protrusions. The main body includes a light emitting surface, a bottom surface, and a light incident surface. The bottom surface is opposite to the light emitting surface. The light incident surface connects the light emitting surface and the bottom surface. The protrusions are randomly positioned on the light emitting surface, and are used for reflecting light rays towards random directions. 1. A light guide plate , comprising: a light emitting surface;', 'a bottom surface opposite to the light emitting surface; and', 'a light incident surface connecting the light emitting surface and the bottom surface; and, 'a transparent main body comprisinga plurality of transparent micro protrusions randomly positioned on the light emitting surface, the micro protrusions being configured for reflecting light rays towards random directions.2. The light guide plate of claim 1 , wherein the main body and the micro protrusions are made of same materials.3. The light guide plate of claim 1 , wherein the micro protrusions are formed through high pressure spraying method.4. The light guide plate of claim 1 , wherein the main body comprises a plurality of micro recesses uniformly distributed on the bottom surface.5. The light guide plate of claim 4 , wherein the micro recesses are spherical crown shaped claim 4 , a ratio of a diameter of each of the micro recesses to a depth of each of the micro recesses is about 10:1.6. The light guide plate of claim 5 , wherein the micro recesses are arranged in an array of rows and columns.7. A method of manufacturing a light guide plate claim 5 , comprising:providing a main body, wherein the main body comprises a light emitting surface and a bottom surface opposite to the light emitting surface;providing a high pressure spraying device;forming a plurality of micro protrusions on the light emitting surface using the high pressure spraying device, wherein the high pressure spraying ...

LIGHT GUIDE PLATE HAVING UNIFORM LIGHT EMISSION AND BACKLIGHT MODULE

A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a light incident surface, and a side surface opposite to the light incident surface. The bottom surface is imaginarily divided into a plurality of rectangular portions along a direction from the light incident surface to the side surface. The shapes of the rectangular portions are the same as each other. Each of the rectangular portions distributes a plurality of microstructures. The rectangular portions are assigned serial numbers along the direction from the light incident surface to the side surface. The microstructure density in each of the rectangular portions between the first rectangular portion and the last rectangular portion satisfies the formula: a=(a+a+a)/3, where i represents the serial number of the rectangular portion, N represents the total number of the rectangular portions, 1 Подробнее

LIGHT GUIDING PLATE

A light guide plate includes a light incident surface, a light output surface, a bottom surface opposite to the light output surface, and a plurality of dots formed on the bottom surface. Each dot includes a first curved surface, a second curved surface and two flat surfaces separately interconnecting the first curved surface and the second curved surface. The first curved surface is configured for perpendicularly reflecting light towards the light output surface. The second curved surface is configured for scattering and reflecting light back into the light guide plate. The two flat surfaces are configured for diverging light to lateral sides of an original path. 1. A light guiding plate , comprising:a light incident surface;a light output surface;a bottom surface opposite to the light output surface; anda plurality of dots formed on the bottom surface, wherein each dot comprises a first curved surface, a second curved surface and two flat surfaces interconnecting the first curved surface and the second curved surface, lights which are directed to the first curved surface are reflected by the first curved surface to perpendicularly enter the output surface, lights which are directed to the second curved surface are scattered and reflected by the second curved surface to the inner of the light guiding plate, lights which are directed to the two flat surfaces are reflected and scattered by the two flat surfaces to lateral sides of the original incident pathway of the lights which enter the two flat surfaces.2. The light guiding plate as claimed in claim 1 , wherein the dots are recessions defined in the bottom surface of the light guiding plate.3. The light guiding plate as claimed in claim 2 , wherein each of the recessions has a flabellate shaped opening on the bottom surface claim 2 , the opening comprises an inner arc claim 2 , an outer arc with a radius greater than a radius of the inner arc claim 2 , and two connection lines connecting the inner arc and the ...

LENS AND LIGHT SOURCE MODULE WITH THE SAME

The present disclosure relates to a lens. The lens includes a bottom surface, a light input surface and a light output surface. The light input surface is a curved surface depressing from a center of the bottom surface. The light output surface is opposite to the bottom surface. The light output surface includes a planar surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the planar surface. The planar surface includes a plurality of micro structures located at a central area thereof. The present disclosure also relates to a light source module with the lens. 1. A lens comprising:a bottom surface;a light input surface being a curved surface depressing from a center of the bottom surface;a light output surface opposite to the bottom surface, the light output surface comprising a planar surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the planar surface, the planar surface comprising a plurality of micro structures located at a central area thereof; anda cylindrical side surface connected to the bottom surface and the light output surface, the side surface being perpendicular to the bottom surface;wherein the lens is cylindrical and has a cylindrical axis, the light input surface is an ellipsoid of revolution having a long axis coaxial with cylindrical axis of the lens, and an apex of the light input surface is located at a position slightly higher than an upper edge of the cylindrical side surface with respect to the bottom surface; andwherein an area of the convex surface located at the peripheral of the planar surface of the light output surface is relatively larger than that of the planar surface of the light output surface.28.-. (canceled)9. A light source module comprising a lens and a light source facing the lens , the lens comprising:a bottom surface;a light input surface being a curved surface depressing from a center of the bottom surface, the light ...

LENS AND LIGHT SOURCE MODULE WITH SAME

The present disclosure relates to a lens. The lens includes a bottom surface, a light input surface, a light output surface and reflective structure. The light input surface is a curved surface depressing from a center of the bottom surface. The light output surface is opposite to the bottom surface. The light output surface includes a concave surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the concave surface. The reflective structure is received in the light input surface. The reflective structure includes a plurality of globoid reflective units. The present disclosure also relates to a light source module with the lens. 1. A lens comprising:a bottom surface;a light input surface being a curved surface depressing from a center of the bottom surface;a light output surface opposite to the bottom surface, the light output surface comprising a concave surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the concave surface; anda reflective structure received in a cavity defined by the light input surface, the reflective structure comprising a plurality of globoid reflective units.2. The lens of claim 1 , wherein the reflective structure further comprises a plurality of tubes claim 1 , the globoid reflective units are interconnected to form a circle via the tubes.3. The lens of claim 2 , wherein a central axis of the circle is coaxial to that of the lens.4. The lens of claim 1 , wherein the globoid reflective units are evenly distributed.5. The lens of claim 1 , wherein the bottom surface of the lens is a planar circular surface.6. The lens of claim 1 , further comprising a side surface connected to the bottom surface and the light output surface claim 1 , the side surface being perpendicular to the bottom surface.7. The lens of claim 1 , wherein the first light input surface is an elliptic sphere surface.8. The lens of claim 1 , wherein a central axis of the light ...

OPTICAL COUPLING DEVICE AND BACKLIGHT MODULE

An optical coupling device is used for optically coupling light sources with a light guide plate. The optical coupling device includes transparent light guide portions. Each light guide portion has a light incident surface, a light emitting surface, a top surface, and a bottom surface. The light incident surface is opposite to the light emitting surface. The top surface is opposite to the bottom surface. Along a direction perpendicular to the top surface, a thickness of the light incident surface is greater than a thickness of the light emitting surface. The light incident surface is optically coupled with a corresponding one of the light sources. The light emitting surface is optically coupled with the light guide plate. 1. An optical coupling device for optically coupling a plurality of light sources with a light guide plate , the optical coupling device comprising: a light incident surface;', 'a light emitting surface opposite to the light incident surface;', 'a top surface perpendicularly connected to the light incident surface and the light emitting surface; and', 'a bottom surface opposite to the top surface;', 'wherein along a direction perpendicular to the top surface, a thickness of the light incident surface is greater than a thickness of the light emitting surface, the light incident surface is configured to optically couple with a respective one of the light sources, and the light emitting surface is configured to optically couple with the light guide plate., 'a plurality of transparent light guide portions, each of the light guide portions comprising2. The optical coupling device of claim 1 , wherein each of the top surface and the bottom surface is coated by a first reflective film claim 1 , and is configured for internally reflecting light rays in each of the light guide portions.3. The optical coupling device of claim 1 , wherein the light incident surface defines a receiving groove claim 1 , and the receiving groove is configured to receive the ...

LENS WITH LIGHT-DIFFUSION CAPPING LAYERS AND BACKLIGHT MODULE INCORPORATING THE SAME

A lens includes a main lens, a first light-diffusion capping layer and a second light-diffusion capping layer formed on the top of the main lens in sequence. The main lens includes a light incident surface and a light exit surface opposite to the light incident surface. The main lens defines a recess in the top thereof, and the recess is located at a central region of the light exit surface and recessed inwardly toward the light incident surface. The first and the second light-diffusion capping layers are received in the recess, and the second light-diffusion capping layer is located over the first light-diffusion capping layer. A refractive index of the first light-diffusion capping layer is smaller that that of the main lens but larger than that of the second light-diffusion capping layer. A backlight module source incorporating the lens and the LED light source is also provided. 1. A lens for a light emitting diode (LED) backlight module comprising:a main lens comprising a light incident surface configured for receiving light emitted from an LED light source and a light exit surface opposite to the light incident surface; anda first light-diffusion capping layer and a second light-diffusion capping layer received in the top of the main lens in sequence;wherein the main lens defines a recess in the top thereof, and the recess is located at a central region of the light exit surface and recessed inwardly toward the light incident surface of the main lens, the first and the second light-diffusion capping layers being received in the recess with the second light-diffusion capping layer being located over the first light-diffusion capping layer; andwherein a refractive index of the first light-diffusion capping layer is smaller that that of the main lens but larger than that of the second light-diffusion capping layer.2. The lens of claim 1 , wherein the main lens has an optical axis extending through the light incident surface and the light exit surface thereof claim ...

LENS AND LED UNIT USING THE SAME

A lens includes a bottom face, a light incident face defined in the bottom face, a plurality of light reflective faces connecting the light incident face with the bottom face, and a light emerging face opposite to the light incident face. The light incident face includes a first face and a plurality of second faces alternating with the light reflective faces. The light reflective faces are flat faces parallel to an optical axis of the lens. An LED unit using the lens is also disclosed. 1. A lens comprising:a bottom face;a light incident face defined in the bottom face;a plurality of light reflective faces connecting the light incident face adjacent to the bottom face; anda light emerging face opposite to the bottom face.2. The lens of claim 1 , wherein the lens comprises an optical axis extending through a center of the light incident face and a center of the light emerging face claim 1 , the light reflective faces being parallel to the optical axis.3. The lens of claim 1 , wherein each light reflective face is a flat face.4. The lens of claim 1 , wherein the light reflective faces are spaced from each other.5. The lens of claim 1 , wherein each light reflective face is totally enclosed by a top edge and a bottom edge connecting the top edge claim 1 , the top edge directly connecting the light incident face claim 1 , and the bottom edge directly connecting the bottom face.6. The lens of claim 5 , wherein the top edge is curved claim 5 , and the bottom edge is straight.7. The lens of claim 5 , wherein the top edge is elliptical.8. The lens of claim 1 , wherein the light incident face comprises a first face and a plurality of second faces connecting the first face claim 1 , the second faces alternating with the light reflective faces.9. The lens of claim 8 , wherein the first face comprises an elliptical face.10. The lens of claim 8 , wherein each second face has a width gradually increasing from the bottom face towards the first face.11. The lens of claim 8 , wherein ...

LENS WITH DIVERGENT STRUCTURE AND BACKLIGHT MODULE INCORPORATING THE SAME

A lens includes a main lens and a divergent structure positioned on the top of the main lens. The main lens has a light incident surface for receiving light generated by an LED light source and a light exit surface opposite to the light incident surface. The divergent structure includes a plurality of annular micro lenses each having a triangular shape in cross section. The micro lenses are arranged in a series of concentric circles with regard to a center point located on an optical axis of the main lens. Each micro lens includes an inner surface and an outer surface connected with the inner surface. The inner and outer surfaces define an angle therebetween, which is increased gradually from the center point toward a periphery of the light exit surface. A backlight module using the lens is also provided. 1. A lens for a light emitting diode (LED) backlight module comprising:a main lens, comprising a light incident surface configured for receiving light emitted from an LED light source and a light exit surface opposite to the light incident surface; anda divergent structure formed on the top of the main lens and being configured for diverging light emerging from the light exit surface of the main lens, and the divergent structure comprising a plurality of annular micro lenses formed on the light exit surface of the main lens;wherein the micro lenses are arranged in a series of concentric circles with regard to a center point located on an optical axis of the main lens, and each micro lens comprises an inner surface and an outer surface connected with the inner surface; andwherein the inner and outer surfaces of each micro lens cooperatively define an angle therebetween, and the angles of the micro lenses increase gradually along a radial direction perpendicular to the optical axis from a center toward an outer periphery of the light exit surface of the main lens.2. The lens of claim 1 , wherein the micro lenses are located around the optical axis of the main lens ...

OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face comprises a center curved facet and a periphery curved facet surrounding and extending outwardly from the center curved facet. The light incident face is a discontinuous face and includes a plurality of curved facets. 1. An optical lens for adjusting light emitted from a light source , comprising:a light incident face facing the light source;a light emitting face opposite to the light incident face; anda connecting face connecting the light incident face and the light emitting face;wherein the connecting face is planar, and the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face;wherein the top face of the light emitting face comprises a center curved facet and a periphery curved facet surrounding and extending outwardly from the center curved facet; andwherein the light incident face is a discontinuous face and includes a plurality of curved facets.2. The optical lens as claimed in claim 1 , wherein a width of each curved facet gradually decreases along a bottom-to-top direction of the optical lens.3. The optical lens as claimed in claim 1 , wherein a curvature of each curved facet gradually increases along the bottom-to-top direction of the optical lens.4. The optical lens as claimed in claim 1 , wherein every two adjacent curved facets intersect at a boundary line claim 1 , and each boundary line is curved.5. The ...

LENS WITH DISCONTINUOUS SUB-LIGHT EMERGING FACES

A lens includes a bottom face, a light incident face defined in the bottom face, a light emerging face opposite to the bottom face and a lateral face connecting the light emerging face with the bottom face. An optical axis extends through centers of the light incident face and the light emerging face. The light emerging face includes a plurality of sub-light emerging faces discontinuous from each other. Each sub-light emerging face has a concave face adjacent to the optical axis, and a convex face away from the optical axis. 1. A lens comprising:a light incident face; anda light emerging face opposite to the light incident face, an optical extending through the light emerging face;wherein the light emerging face comprises a plurality of discontinuous sub-light emerging faces, each sub-light emerging face comprising a concave face adjacent to the optical axis and a convex face away from the optical axis.2. The lens of claim 1 , wherein the light emerging face has a plurality of first boundaries each formed between every two adjacent sub-light emerging faces.3. The lens of claim 2 , wherein two opposite first boundaries are coplanar with each other.4. The lens of claim 2 , wherein the plurality of first boundaries are all joined at a first point claim 2 , the optical axis extending through the first point.5. The lens of claim 2 , wherein each sub-light emerging face has a curvature gradually increasing from two adjacent first boundaries towards a center thereof.6. The lens of claim 2 , wherein a curvature of each sub-light emerging face is discontinuous from that of an adjacent sub-light emerging face at the first boundary therebetween.7. The lens of claim 1 , wherein each sub-light emerging face has a width gradually decreasing in a direction towards the optical axis.8. The lens of claim 1 , wherein the light incident face comprises a plurality of discontinuous sub-light incident faces each corresponding to one sub-light emerging face.9. The lens of claim 8 , wherein ...

OPTICAL COMMUNICATION DEVICE

An optical communication device includes a first fiber, a second fiber, a light-emitting unit, a light-receiving unit, and a lens unit. The lens unit includes a first portion and a second portion connecting with the first portion. The first portion includes a first entrance surface, a first exit surface, and a first reflecting surface. The first entrance surface is perpendicular to the first exit surface. The first optical fiber faces the first entrance surface and the light-receiving unit faces the first exit surface. The second portion includes a second entrance surface, a second exit surface, and a second reflecting surface. The second entrance surface is perpendicular to the second exit surface. The first entrance surface and the second exit surface are coplanar. 1. An optical communication device , comprisinga light-receiving unit;a first optical fiber;a light-emitting unit;a second optical fiber; anda lens unit, wherein the lens unit comprises a first portion and a second potion, the first portion comprises a first entrance surface, a first exit surface, and a first reflecting surface, the first entrance surface is perpendicular to the first exit surface, the first optical fiber faces the first entrance surface, the light-receiving unit faces the first exit surface, the second portion comprises a second entrance surface, a second exit surface, and a second reflecting surface, the second entrance surface is perpendicular to the second exit surface, the first entrance surface and the second exit surface are coplanar, the first exit surface is parallel with the second entrance surface.2. The optical communication device of claim 1 , wherein the light-receiving unit comprises a first circuit and a photo diode claim 1 , the photo diode is located on and electrically connected to the first circuit board.3. The optical communication device of claim 2 , wherein the first circuit board is selected from the group consisting of hard circuit board and flexible circuit ...

DIFFUSION PLATE AND DIRECT TYPE BACKLIGHT MODULE HAVING SAME

A diffusion plate includes a substrate. The substrate has a light entrance surface, and a light emitting surface facing away from the light entrance surface. The diffusion plate also includes a plurality of Fresnel lenses. The Fresnel lenses are formed at the light emitting surface, and an ultraviolet absorbent layer is formed at the light entrance surface. 1. A diffusion plate comprising a substrate , the substrate having a light entrance surface , and a light emitting surface facing away from the light entrance surface , wherein the diffusion plate further comprises a plurality of Fresnel lenses , the Fresnel lenses are formed at the light emitting surface , and an ultraviolet absorbent layer is formed at the light entrance surface.2. The diffusion plate of claim 1 , wherein a plurality of light diffusion particles are dispersed in the substrate.3. The diffusion plate of claim 1 , wherein a light diffusion layer is formed at the light entrance surface claim 1 , and the light diffusion layer is sandwiched between the ultraviolet absorbent layer and the light entrance surface.4. The diffusion plate of claim 3 , wherein a plurality of light diffusion particles are dispersed in light diffusion layer.5. The diffusion plate of claim 1 , wherein the Fresnel lenses are arranged in an array.6. A diffusion plate comprising a substrate claim 1 , the substrate having a light entrance surface claim 1 , and a light emitting surface facing away from the light entrance surface claim 1 , wherein the diffusion plate further comprises a plurality of Fresnel lenses claim 1 , the Fresnel lenses are formed at the light entrance surface claim 1 , and an ultraviolet absorbent layer is formed at a part of surface of the light entrance surface exposed to the outside from the Fresnel lenses.7. The diffusion plate of claim 6 , wherein a plurality of the other Fresnel lenses are formed at the light emitting surface.8. The diffusion plate of claim 6 , wherein a plurality of light diffusion ...

LIGHT EMITTING DIODE BACKLIGHT MODULE

An LED backlight module comprises a plurality of LED source and a light expansion board. The light expansion board further comprises a substrate and a plurality of lens formed on the substrate. The substrate includes a plurality of receiving holes corresponding to the plurality of LED source for receiving the plurality of LED source therein. The light expansion board includes a material of glass. The light transmittance of the glass is equal to or larger than 95%, the chromatic aberration of the glass is equal to or less than 3/1000, the heat resistance of the glass is equal to or larger than 750° C. 1. A light emitting diode (LED) backlight module , comprising:a plurality of LED source; a substrate having a plurality of receiving holes corresponding to the plurality of LED source for receiving the plurality of LED sources therein;', 'a plurality of lens formed on the substrate;, 'a light expansion board, comprisingwherein the light expansion board includes a material of glass, a light transmittance of the glass is equal to or larger than 95%, a chromatic aberration of the glass is equal to or less than 3/1000, the heat resistance of the glass is equal to or larger than 750° C.2. The LED backlight module of claim 1 , wherein the plurality of lenses and the substrate are a one body structure that is manufactured by the glass melt molding and then cooling.311112. The LED backlight module of claim 1 , wherein the substrate has a first surface and a second surface opposite to the first surface claim 1 , the plurality of receiving holes extends from the second surface to the first surface of the substrate.4. The LED backlight module of claim 3 , wherein the first surface of the substrate is a rough surface that is manufactured by atomization sandblasting processing.5. The LED backlight module of claim 3 , wherein each receiving hole is trapezoid shaped claim 3 , a diameter of each receiving holes increases from the first surface to the second surface of the substrate.6. ...

RACK AWARENESS DATA STORAGE IN A CLUSTER OF HOST COMPUTING DEVICES

A method receives physical location information for racks in which application running environments are located. Each rack includes multiple host computing devices in a cluster of host computing devices. Application running environment-rack associations are generated using the physical location information for the cluster where an application running environment-rack association maps an application running environment to a rack. The application running environment-rack associations are provided to the cluster. Then, the method provides a data set for storing in the cluster of hosts where the data set is associated with a placement strategy. The cluster uses the placement strategy to store a data block in the data set for a first application running environment and store a replica data block for a second application running environment at a location in the cluster based on the first application running environment being associated with a first rack from the application running environment-rack associations. 1. A method comprising:receiving physical location information for a plurality of racks in which application running environments are located, wherein each rack includes multiple host computing devices in a cluster of host computing devices;generating application running environment-rack associations using the physical location information for the cluster of host computing devices, wherein an application running environment-rack association maps an application running environment to a rack;providing the application running environment-rack associations to the cluster of host computing devices; andproviding a data set for storing in the cluster of host computing devices, wherein the data set is associated with a placement strategy, and wherein the cluster uses the placement strategy to store a data block in the data set for a first application running environment and store a replica data block for a second application running environment at a location in the ...

ILLUMINATION DEVICE

An illumination device, includes a printed circuit board, a plurality of LED light sources mounted on the printed circuit board, a hollow supporting post covering the plurality of LED light sources, a reflective cup located above the supporting post, a first lens received in a bottom portion of the reflective cup and a second lens located at a top portion of the reflective cup. The supporting post is connected to the printed circuit board, and the first lens is connected to the supporting post. The reflective cup includes a bottom portion adjacent to the LED light sources and a top portion remote from the LED light sources. The printed circuit board, the reflective cup, the first lens and the second lens are combined as a whole by the supporting post. 1. An illumination device , comprising:a printed circuit board;a plurality of LED light sources mounted on the printed circuit board, and the plurality of LED light sources being electrically connected to the printed circuit board;a hollow supporting post covering the plurality of LED light sources, and the supporting post being connected to the printed circuit board;a reflective cup located above the supporting post, the reflective cup comprising a bottom portion adjacent to the LED light sources and a top portion remote from the LED light sources;a first lens received in a bottom portion of the reflective cup, and the first lens facing the plurality of LED light sources; anda second lens located at a top portion of the reflective cup opposite to the first lens;wherein light emitted from the plurality of LED light sources pass through and are dispersed by the first lens, and then the light transmitted from the first lens pass through and are dispersed by the second lens.2. The illumination device of claim 1 , wherein the reflective cup is funnel-shaped claim 1 , the top portion of the reflective cup defines a first opening claim 1 , the bottom portion of the reflective cup defines a second opening claim 1 , an inner ...

LIGHT-EMITTING DEVICE AND BACKLIGHT MODULE HAVING THE LIGHT-EMITTING DEVICE THEREIN

A light-emitting device includes a base and a light source and a diverging unit placed on the base. The diverging unit has a divergent lens and a diverging ring. The divergent lens includes a light incident surface, a light exiting surface, and a side surface. The side surface is connected to the light incident surface and the light exiting surface. The divergent lens defines a receiving space and the receiving space extending into the divergent lens from the light incident surface towards the light exiting surface. The light source is received in the receiving space. The diverging ring is positioned on the light exiting surface and in-line with the light source so that the diverging ring reflects light from the light source transmitted through the divergent lens in multiple directions. 1. A light-emitting device , comprising:a base;a light source positioned on the base; and a divergent lens having a light incident surface abutting the base, a side surface coupled to the light incident surface and extending away from the base, and a light exiting surface, the light exiting surface furthest from the base; and', 'a diverging ring positioned on the exiting surface of the divergent lens;, 'a diverging unit positioned on the base and substantially covering the light source, the diverging unit comprisingwherein, the divergent lens defines a receiving space extending into the divergent lens from the light incident surface toward the light exiting surface and the light source is received within the receiving space; andwherein, the diverging ring is positioned on the light exiting surface and in-line with the light source so that the diverging ring reflects light from the light source transmitted through the divergent lens in multiple directions.2. The light-emitting device according to claim 1 , wherein the light divergent lens further defines a ring-shaped recess extending into the divergent lens from the light exiting surface toward the light incident surface claim 1 , ...

Access Node Controller, an Apparatus for an Access Node, an Access Node for a Mobile Communication System, a Mobile Communication System, a Method and a Computer Program for an Access Node

Examples provide an access node controller, an apparatus for an access node, an access node for a mobile communication system, a mobile communication system, method and computer program for an access node. The access node controller is configured to determine one or more transmission parameters for a first access node of a mobile communication system. The mobile communication system further comprises a second access node. The access node controller comprises one or more interfaces configured to obtain priority area information of the second access node. The second access node has priority access in the priority area compared to the first access node. The access node controller comprises a control module configured to control the one or more interfaces and configured to determine the one or more transmission parameters for the first access node based on the priority area information of the second access node and based on an access condition at a priority area boundary. 1. (canceled)2. An access node controller for determining one or more transmission parameters of a first access node serving a coverage area in a mobile communication system , the access node controller comprising:one or more interfaces configured to obtain priority area information of a second access node in the mobile communication system, the second access node serving a priority area and having priority access in the priority area compared to the first access node; anda control module configured to control the one or more interfaces and configured to determine the one or more transmission parameters of the first access node serving the coverage area based on the priority area information of the second access node and based on an access condition at a priority area boundary.3. The access node controller of claim 2 , wherein the second access node is comprised in the mobile communication system.4. The access node controller of claim 2 , wherein the access condition comprises an interference level ...

METHOD, DEVICE AND SYSTEM FOR RESTRICTING ELECTRICITY INTELLIGENTLY

Provided are a method, device and system for restricting electricity intelligently. The method includes: a synchronous data request is sent to an AMI platform; real-time electricity quantity data sent, according to the synchronous data request, by the AMI platform is received; the real-time electricity quantity data is analyzed according to a preset electricity restriction rule, and corresponding electricity restriction control information is acquired; the electricity restriction control information is sent to the AMI platform, so that the AMI platform carries out an intelligent electricity restriction. 1. A method for restricting electricity intelligently , comprising:sending a synchronous data request to an Advanced Metering Infrastructure (AMI) platform;receiving real-time electricity quantity data sent, according to the synchronous data request, by the AMI platform;analyzing the real-time electricity quantity data according to a preset electricity restriction rule to acquire corresponding electricity restriction control information;sending the electricity restriction control information to the AMI platform to enable the AMI platform to restrict the electricity intelligently.2. The method according to claim 1 , wherein the sending the synchronous data request to the AMI platform comprises:sending the synchronous data request for acquiring an electricity quantity in a preset area to the AMI platform every preset time period.3. The method according to claim 2 , wherein the analyzing the real-time electricity quantity data according to the preset electricity restriction rule to acquire the corresponding electricity restriction control information comprises:classifying and gathering statistics on the real-time electricity quantity data according to different types of the real-time electricity quantity data;checking and analyzing the classified real-time electricity quantity data according to the preset electricity restriction rule;generating the corresponding ...

LENS AND LED PACKAGE HAVING THE SAME

A lens adjusts light emitted from a light source that emits the light in upward directions whereby light intensity of the adjusted light at a lateral side of the light source is increased. The lens includes a bottom surface and a top surface extending from an edge of the bottom surface. A first cavity recesses upwardly from the bottom surface for receiving a light source therein. An inner surface of the first cavity acts as a light inputting surface. A first dispersing portion protrudes downwardly from a top end of the light inputting surface. The light inputting surface collects light from the light source, the first dispersing portion disperses part of light from the light inputting surface and transmits the light to lateral sides of the light inputting surface and lateral sides of the top surface to illuminate.

OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face includes a center facet and a periphery facet surrounding and extending outwardly from the center facet. The center facet is recessed inwardly from a center of the top face of the light emitting face. 1. An optical lens for adjusting light emitted from a light source , comprising:a light incident face facing the light source;a light emitting face opposite to the light incident face; anda connecting face connecting the light incident face and the light emitting face;wherein the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face;wherein the top face of the light emitting face comprises a center facet and a periphery facet surrounding and extending outwardly from the center facet; andwherein the center facet is recessed inwardly from a center of the top face of the light emitting face.2. The optical lens as claimed in claim 1 , wherein the center facet of the top face of the light emitting face is a conical face.3. The optical lens as claimed in claim 1 , wherein the periphery facet of the top face of the light emitting face is an annular and planar face.4. The optical lens as claimed in claim 1 , wherein the lateral face of the light emitting face is a discontinuous face and includes a first lateral facet and a second lateral facet intersecting with the first lateral facet claim 1 , a bottom periphery of the first lateral facet correspondingly ...

OPTICAL LENS ASSEMBLY AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens assembly covering the light source. The optical lens assembly includes an optical lens, a reflecting member located on the optical lens, and a reflecting film formed on an outer circumferential surface of the reflecting member. The optical lens includes a main portion and a protruding portion. The light emitting face includes a lateral face extending upwardly from the connecting face and a top surface of the protruding portion, and the top surface of the protruding portion is recessed inwardly towards and located above the light incident face. The reflecting member is conical, the reflecting member is invertedly located on the protruding portion, a tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion, and the reflecting film faces the top surface of the protruding portion. 1. An optical lens assembly for adjusting light emitted from a light source , comprising:an optical lens comprising a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face;a reflecting member positioning on the optical lens; anda reflecting film formed on an outer circumferential surface of the reflecting member;wherein the optical lens comprises a main portion and a protruding portion protruding upwardly from a top of the main portion, the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top surface of the protruding portion, and the top surface of the protruding portion is recessed inwardly towards and located above the light incident face; andwherein the reflecting member is conical, the reflecting member is invertedly located on the protruding portion of the optical lens, a tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion, ...

OPTICAL LENS ASSEMBLY AND LIGHT SOURCE MODULE HAVING THE SAME

A light source module includes a light source and an optical lens assembly covering the light source. The optical lens assembly includes an optical lens, a reflecting member located on the optical lens, and a reflecting film formed on the reflecting member. The optical lens includes a main portion and a protruding portion protruding upwardly from the main portion. The reflecting member is conical. The reflecting member is invertedly located on the protruding portion of the optical lens. A tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion. The reflecting member has a top surface and an outer circumferential surface. A center of the top surface of the reflecting member is recessed inwardly, whereby a concave surface is formed. The concave surface oriented upwardly and outwardly relative to the light source. The reflecting film is distributed on the concave surface. 1. An optical lens assembly for adjusting light emitted from a light source , comprising:an optical lens comprising a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face;a reflecting member positioning on the optical lens; anda reflecting film formed on the reflecting member;wherein the optical lens comprises a main portion and a protruding portion protruding upwardly from a top of the main portion, the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top surface of the protruding portion, and the top surface of the protruding portion is recessed inwardly towards and located above the light incident face; andwherein the reflecting member is conical, the reflecting member is invertedly located on the protruding portion of the optical lens, a tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion, the ...

INDUSTRIAL CONTROL SYSTEM AND MANAGEMENT DEVICE

An industrial control system and a management apparatus are disclosed. The industrial control system includes: a control terminal and a management apparatus, wherein the control terminal is configured to collect production data of a production object in a production process, and transmit the production data to the management apparatus; and receive first control data transmitted by the management apparatus, and control the production object according to the first control data; and the management apparatus is connected with the control terminal via the Internet of Things, and is configured to receive and store the production data transmitted by the control terminal, and issue the first control data for controlling the production object to the control terminal. 1. An industrial control system , comprising: a control terminal and a management apparatus , wherein ,the control terminal is configured to collect production data of a production object in a production process, and transmit the production data to the management apparatus; and receive first control data transmitted by the management apparatus, and control the production object according to the first control data; andthe management apparatus is connected with the control terminal via the Internet of Things, and is configured to receive and store the production data transmitted by the control terminal, and issue the first control data for controlling the production object to the control terminal.2. The industrial control system according to claim 1 , wherein claim 1 , the management apparatus comprises an access terminal claim 1 , a management platform claim 1 , and a control model server; the access terminal is configured to receive the production data transmitted by the control terminal claim 1 , and transmit the production data to the management platform;the management platform is configured to receive and store the production data transmitted by the access terminal, and transmit the production data to a ...

Nanostructure featuring nano-topography with optimized electrical & biochemical properties

A method for forming a nanostructure includes coating an exposed surface of a base layer with a patterning layer. The method further includes forming a pattern in the patterning layer including nano-patterned non-random openings, such that a bottom portion of the non-random openings provides direct access to the exposed surface of the base layer. The method also includes depositing a material in the non-random openings in the patterning layer, such that the material contacts the exposed surface to produce repeating individually articulated nano-scale features. The method includes removing remaining portions of the patterning layer. The method further includes forming an encapsulation layer on exposed surfaces of the repeating individually articulated nanoscale features and the exposed surface of the base layer.

Uplink interference management in shared spectrum networks

A network control system for a first wireless network may include a network control circuit configured to manage radio communications of the first wireless network, where the network control circuit is further configured to estimate a proximity to a second wireless network for a plurality of user terminals based on a measurement of the second wireless network reported by the plurality of user terminals, determine whether the second wireless network is experiencing excessive interference from the first wireless network, and if the second wireless network is experiencing excessive interference from the first wireless network, adjust a transmit power allocation of one or more selected user terminals of the plurality of user terminals based on the estimated proximity to the second wireless network for the one or more selected user terminals. 1. A network control system for a shared spectrum first wireless network comprising a network control circuit configured to manage radio communications of a first wireless network , the network control circuit further configured to:estimate a proximity to a second wireless network for a plurality of user terminals based on a measurement of the second wireless network reported by the plurality of user terminals; wherein the plurality of user terminals utilize a frequency band of the first wireless network that is substantially similar to a frequency band of the second wireless network;select one or more measurement terminals from the plurality of user terminals based on the estimated proximity of the plurality of user terminals; andreceive one or more interference measurements from the one or more measurement terminals that indicate interference to the second wireless network related to the first wireless network.2. The network control system of claim 1 , wherein the network control circuit is configured to select one or more measurement terminals from the plurality of user terminals based on the estimated proximity of the plurality ...

ULTRASENSITIVE SENSOR BASED ON A PIEZOELECTRIC TRANSISTOR

Chemical sensors and methods of using and making the same include a functionalized electrode configured to change surface potential in the presence of an analyte. A piezoelectric element is connected to the functionalized electrode and is configured to change in volume in accordance with the surface potential of the functionalized electrode. A piezoresistive element is in contact with the piezoelectric element and is configured to change in resistance in accordance with the volume of the piezoelectric element. 1. A chemical sensor , comprising:a functionalized electrode configured to change surface potential in the presence of an analyte;a piezoelectric element connected to the functionalized electrode, configured to change in volume in accordance with the surface potential of the functionalized electrode; anda piezoresistive element in contact with the piezoelectric element, configured to change in resistance in accordance with the volume of the piezoelectric element.2. The chemical sensor of claim 1 , further comprising an input terminal and an output terminal in contact with the piezoresistive element.3. The chemical sensor of claim 2 , wherein the output terminal is furthermore in contact with the piezoelectric element claim 2 , between the piezoelectric element and the piezoresistive element.4. The chemical sensor of claim 1 , wherein the piezoelectric element comprises a piezoelectric material selected from the group consisting of (1-x)[Pb(ZnNb)O]-x[PbTiO] and (1-x)[Pb(MgNb)O]-x[PbTiO].5. The chemical sensor of claim 1 , wherein the piezoresistive element comprises a piezoresistive material selected from the group consisting of SmSe claim 1 , TmTe claim 1 , and chromium-doped VO.6. The chemical sensor of claim 1 , further comprising a passivating layer configured to hold the piezoresistive element in place through volume changes in the piezoelectric element.7. The chemical sensor of claim 1 , further comprising a sensor analysis system configured to measure a ...

SENSORS BASED ON NEGATIVE CAPACITANCE FIELD EFFECT TRANSISTORS

Chemical sensors and methods of forming and making the same include a semiconductor substrate having an input terminal and an output terminal. A negative capacitance structure is positioned on the semiconductor substrate and is configured to control a current passing from the input terminal to the output terminal. A functionalized electrode is in electrical contact with the negative capacitance structure and is configured to change surface potential in the presence of an analyte, such that a phase change in the negative capacitance structure is triggered when the surface potential exceeds a threshold. 1. A chemical sensor , comprising:a semiconductor substrate having an input terminal and an output terminal;a negative capacitance structure positioned on the semiconductor substrate, configured to control a current passing from the input terminal to the output terminal; anda functionalized electrode in electrical contact with the negative capacitance structure, configured to change surface potential in the presence of an analyte, such that a phase change in the negative capacitance structure is triggered when the surface potential exceeds a threshold.2. The chemical sensor of claim 1 , wherein the negative capacitance structure comprises a ferroelectric layer.3. The chemical sensor of claim 2 , further comprising a first and second metal layer claim 2 , wherein the ferroelectric layer is formed between the first and second metal layers.4. The chemical sensor of claim 2 , wherein the ferroelectric layer is formed from a polyvinylidene fluoride.5. The chemical sensor of claim 4 , wherein the ferroelectric layer is formed from P(VDF-TrFe claim 4 , PbZrTiO).6. The chemical sensor of claim 1 , wherein the input and output terminal are a source and drain region of a field-effect transistor and wherein the ferroelectric layer acts as a gate for the field-effect transistor.7. The chemical sensor of claim 1 , wherein the input and output terminal are a collector and drain of a ...

FEEDING SYSTEM FOR INJECTION MOLDING MACHINE

The feeding system for an injection molding machine includes a drying barrel, a suction pipe, and a pressing cover. The injection molding machine includes a feeding pipe. The drying barrel is configured for receiving material used in the injection molding machine. The suction pipe is connected between the feeding pipe and the drying barrel. The material is configured to be introduced into the feeding pipe through the suction pipe. The pressing cover is slidably received in the drying barrel and configured for pressing the material to squeeze out air existing in the material. 1. A feeding system for an injection molding machine , the injection molding machine comprising a feeding pipe , the feeding system comprising:a drying barrel configured for receiving material used in the injection molding machine;a suction pipe connected between the feeding pipe and the drying barrel, the material being configured to be introduced into the feeding pipe through the suction pipe; anda pressing cover slidably received in the drying barrel and configured for pressing the material to squeeze out air existing in the material.2. The feeding system of claim 1 , wherein the drying barrel defines a receiving chamber for receiving the material.3. The feeding system of claim 2 , wherein the receiving chamber is cylindrical.4. The feeding system of claim 2 , wherein the receiving chamber comprises an opening.5. The feeding system of claim 2 , wherein the suction pipe defines a hole in communication with the receiving chamber claim 2 , the hole comprises an end adjacent to the receiving chamber claim 2 , the feeding system comprises a valve mounted in the suction pipe for selectively opening or closing the end.6. The feeding system of claim 1 , wherein the pressing cover comprises a main body and a handle extending from the main body.7. The feeding system of claim 6 , wherein the main body is cylindrical.8. The feeding system of claim 1 , wherein the drying barrel is made of thermo- ...

BACKLIGHT MODULE

A backlight module comprises a light guide plate, a plurality of light guide portions, and a plurality of light sources. Each light guide portion is wedge-shaped. Each light guide portion comprises a first side surface and a second side surface opposite to the first side surface. The second side surface is in contact with the light guide plate. Along a direction perpendicular to the light guide plate, a thickness of the first side surface is greater than a thickness of the second side surface. A receiving groove is defined on the first side surface. Each light source is received in a corresponding one of the receiving grooves. 1. A backlight module , comprising:a light guide plate, comprising a light incident surface and a light emitting surface perpendicularly connected to the light incident surface; a first side surface;', 'a second side surface opposite to the first side surface, the second side surface being in contact with the light incident surface; and', 'a receiving groove being defined on the first side surface; and, 'a plurality of light guide portions fixed on the light incident surface, each light guide portion comprisinga plurality of light sources, each light source being received in a corresponding one of the receiving grooves, and comprising an irradiance surface facing the light guide plate;wherein along a direction perpendicular to the light emitting surface, a thickness of the irradiance surface is greater than a thickness of the light incident surface, and the thickness of the second side surface is equal to or less than a thickness of the light incident surface.2. The backlight module of claim 1 , wherein the light guide portions are all made of transparent material.3. The backlight module of claim 1 , wherein each light guide portion further comprises a bottom surface claim 1 , a top surface claim 1 , and a connecting surface claim 1 , the bottom surface being perpendicularly connected to the first side surface and the second side surface claim ...

TRACKING PERSONS IN AN AUTOMATED-CHECKOUT STORE

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for tracking a product item in an automated-checkout store. One of the methods includes receiving, by a computer system, data collected by multiple image sensors, the received data including data associated with a person, identifying, by the computer system based on the received data, multiple features of the person, extracting, by the computer system based on the identified features, data associated with the person from the received data, wherein the extracted data correspond to multiple time periods, and determining, by the computer system, a location of the person in each of the time periods based on the extracted data corresponding to the time period, wherein the determining includes aggregating the extracted data collected by different image sensors based at least in part on a location and a line of sight of each of the image sensors. 1. A person-tracking method , comprising:receiving, by a computer system, data collected by a plurality of image sensors, the received data comprising data associated with a person;identifying, by the computer system based on the received data, a plurality of features of the person;extracting, by the computer system based on the identified features, data associated with the person from the received data, wherein the extracted data correspond to a plurality of time periods; anddetermining, by the computer system, a location of the person in each of the time periods based on the extracted data corresponding to the time period, wherein the determining comprises aggregating the extracted data collected by different image sensors based at least in part on a location and a line of sight of each of the image sensors.2. The method of claim 1 , wherein the identifying comprises:assigning an identifier to the person; andstoring the features of the person in association with the identifier.3. The method of claim 1 , wherein the extracting ...

WAVEFRONT MEASURING SYSTEM WITH LARGE DYNAMIC MEASURING RANGE AND MEASURING METHOD

A wavefront measuring system with large dynamic measuring range includes a measuring unit, a control unit, and a processing unit. The measuring unit includes a wavefront dividing component, a focusing component and a photosensor. The wavefront dividing component samples a part of a laser beam (a sampled light beam) in a measuring plane, the focusing component focuses the sampled light beam on a photosensitive surface of the photosensor to form a light spot, the photosensor detects the presence of the light spot, the data processing unit acquires the locational information of the light spot and calculates the direction of the sampled light beam beam. The control unit drives the measuring unit to a different position in the same measuring plane, the wavefront dividing component samples another sampled light beam. The data processing unit calculates the wavefront distribution on the measuring plane based on the direction determined sampled light beams. 1. A wavefront measuring system comprising: a wavefront dividing component configured to sample a part of a laser beam in a measuring plane, the sampled part of the laser beam defining a sampled light beam;', 'a focusing component; and', 'a photosensor comprising a photosensitive surface;', 'wherein the focusing component is configured to focus the sampled light beam to form a light spot on the photosensitive surface of the photosensor; and', 'the photosensor is configured to detect a presence of the light spot;, 'a measuring unit comprisinga control unit configured to control the measuring unit to move in the measuring plane to detect different sampled light beams; anda data processing unit configured to acquire locational information of the light spots of the different sampled light beams and calculate a wavefront distribution on the measuring plane of the laser beam based on the locational information of the light spots.2. The wavefront measuring system of claim 1 , wherein the wavefront dividing component claim 1 , ...

LENS MODULE AND LED LIGHTING MODULE HAVING THE SAME

A lens module for divergently refracting light from an LED includes a first lens and a second lens matching with the first lens. The first lens is received in the second lens, and the first lens is spaced from the second lens. The LED is received in the first lens. A central axis of the first lens coincides with a central axis of the second lens. Light emitted from the LED and into the lens module is refracted out by the first lens and the second lens. The first and second lenses have different capabilities of refraction. This disclosure also relates an LED lighting module with the lens module. 1. A lens module for an LED (light emitting diode)to divergently refract light from the LED , comprising:a first lens configured for receiving the LED therein; anda second lens matching with the first lens;wherein the first lens is received in the second lens, and the first lens and the second lens are spaced from each other, a central axis of the first lens coincides with a central axis of the second lens, and light from the LED and emitting through the lens module is sequentially and divergently refracted out by the first and second lens having different refracting capabilities.2. The lens module of claim 1 , wherein the second lens comprises a light incident surface and a light output surface claim 1 , and a curvature of the light incident surface of the second lens is larger than a curvature of the light output surface of the second lens.3. The lens module of claim 2 , wherein the first lens comprises a light incident surface and a light output surface claim 2 , the light incident surface of the first lens faces toward the light incident surface of the second lens claim 2 , and a curvature of the light incident surface of the first lens is larger than a curvature of a top portion of the light output surface of the first lens.4. The lens module of claim 3 , wherein the curvature of the light incident surface of the second lens is larger than the curvature of the top ...

LENS AND LED LIGHT MODULE HAVING THE SAME

A lens, which is integrally formed as a single piece, includes a base, a first light diffusion portion and a second light diffusion portion formed on the base. A receiving hole is defined in the second light diffusion portion. The first light diffusion portion is received in the receiving hole, and an inner surface of the receiving hole is spaced from a top surface and a periphery side surface of the first light diffusion portion. A recess is defined in the first light diffusion portion for receiving an LED therein. The first and second light diffusion portions have different light diffusion (refraction) capabilities. The present disclosure also relates an LED light module using the lens. 1. A lens for diffusing light from an LED (light emitting diode) , comprising:a supporting base;a first light diffusion portion formed on the supporting base; anda second light diffusion portion formed on the supporting base, wherein the supporting base, the first light diffusion portion and the second light diffusion portion are formed as a single piece;wherein a receiving space is defined in the second light diffusion portion, the first light diffusion portion being received in receiving space of the second light diffusion portion, an inner surface of the second light diffusion portion defining the receiving space being spaced from the first light diffusion portion, a recess being defined in the first light diffusion portion and configured to receive the LED therein.2. The lens of claim 1 , wherein the first light diffusion portion comprises a first light incident surface and a first light output surface claim 1 , and a curvature of the first light incident surface is larger than a curvature of a top portion of the first light output surface.3. The lens of claim 2 , wherein the first light diffusion portion comprises an annular side surface extending upwardly from the supporting base claim 2 , and a top surface extending upwardly and inwards from a top of the annular side surface ...

LIGHT GUIDING ELEMENT AND BACKLIGHT MODULE USING SAME

A light guiding element includes at least one fixing element and a number of light guiding pipes positioned on the fixing element. Each light guiding pipe includes a light guiding portion and a light scattering portion. The light guiding portion includes a first side surface, and a receiving recess is defined in the first side surface. A refractive index of the light guiding portion is greater than that of air. The light scattering portion includes a second side surface, and a protrusion protrudes from the second side surface. A plurality of diffusion particles are uniformly distributed in the light scattering portion. A refractive index of the light scattering portion is greater than that of air. The protrusion is received in the receiving recess. 1. A light guiding element , comprising:at least one fixing element; a light guiding portion comprising a first side surface and a receiving recess defined in the first side surface; a refractive index of the light guiding portion being greater than a refractive index of air; and', 'a light scattering portion comprising a second side surface and a protrusion protruding from the second side surface; a plurality of diffusion particles uniformly distributed in the light scattering portion; a refractive index of the light scattering portion being greater than the refractive index of air; the protrusion received in the receiving recess., 'a plurality of light guiding pipes positioned on the at least one fixing element, each light guiding pipe comprising2. The light guiding element of claim 1 , wherein the light guiding portion comprises a first bottom surface and a second bottom surface facing the first bottom surface claim 1 , the first side surface is connected between the first bottom surface and the second bottom surface claim 1 , the receiving recess extends from the first bottom surface to the second bottom surface.3. The light guiding element of claim 2 , wherein the light guiding portion comprises a first reflection ...

LIGHT GUIDE PLATE WITH UNIFORM LIGHT OUTPUT AND METHOD OF MANUFACTURING SAME

A light guide plate includes a main body and a number of transparent particles. The main body includes a light incident surface, and defines a micro structure in the light incident surface. The transparent particles are made of material with a refraction index greater than the refraction index of the material of the main body and are attached on the light incident surface in the micro structure. 1. A light guide plate , comprising:a main body comprising a light incident surface, and defining a micro structure in the light incident surface; anda plurality of transparent particles attached on the light incident surface and the micro structure.2. The light guide plate of claim 1 , wherein a refraction index of the transparent particles being greater than a refraction index of the main body.3. The light guide plate of claim 1 , wherein the micro structure comprises a plurality of recesses defined on the light incident surface claim 1 , a size of each transparent particle is far less than a size of the recesses.4. The light guide plate of claim 1 , wherein the micro structure comprises a plurality of protrusions protruded from the light incident surface claim 1 , a size of each transparent particle is greatly far than a size of the protrusions.5. The light guide plate of claim 1 , wherein a shape of each transparent particle is irregular.6. A method of manufacturing a light guide plate claim 1 , comprising:providing a main body, the main body comprising a light incident surface;defining a micro structure in the light incident surface;spraying a plurality of transparent particles on the light incident surface and the micro structure;curing the transparent particles.7. The method of claim 6 , wherein a refraction index of the transparent particles being greater than a refraction index of the main body.8. The method of claim 6 , wherein the micro structure comprises a plurality of recesses defined in the light incident surface claim 6 , a size of each transparent particle ...

LIGHT DIFFUSER AND BACKLIGHT MODULE HAVING SAME

A light diffuser for a backlight module includes a main body, a diffusing micro-structure, and a micro-prism structure. The main body includes a light incident surface and a light emergent surface opposite to the light incident surface, the diffusing micro-structure is formed on the light incident surface, and the micro-prism structure is formed on the light emergent surface. The diffusing micro-structure includes a number of protrusions. The protrusions are substantially semi-cylindrical-shaped, and the prisms are substantially parallel to each other. The micro-prism structure includes a number of prisms, and the prisms are substantially parallel to each other. 1. A light diffuser for a backlight module , comprising:a main body comprising a light incident surface and a light emergent surface opposite to the light incident surface;a diffusing micro-structure formed on the light incident surface, the diffusing micro-structure comprising a plurality of protrusions, the protrusions being substantially semi-cylindrical-shaped, and the prisms being substantially parallel to each other; anda micro-prism structure formed on the light emergent surface, the micro-prism structure comprising a plurality of prisms, and the prisms being substantially parallel to each other.2. The light diffuser of claim 1 , wherein the main body comprises a number diffusing particles dispersed in the main body.3. The light diffuser of claim 1 , wherein a length direction of the protrusions is substantially perpendicular to a length direction of the prisms.4. The light diffuser of claim 1 , wherein a cross section of each prism is substantially isosceles triangular-shaped.5. The light diffuser of claim 4 , wherein a height of a vertex of the cross section of the prism away from the emergent surface relative to the emergent surface is in a range of 0.05-0.2 millimeters.6. The light diffuser of claim 5 , wherein the height of the vertex is 0.1 millimeters.7. The light diffuser of claim 4 , wherein ...

LIGHT GUIDING PLATE AND BACKLIGHT MODULE USING SAME

A light guiding plate includes a bottom surface, a light emitting surface opposite to the bottom surface, and a light incident surface perpendicularly connected between the bottom surface and the light emitting surface. The light guiding plate defines a plurality of recesses in the light incident surface. Each recess includes a concave surface, and the concave surface is connected between the light emitting surface and the bottom surface. Each concave surface forms a smooth curve on the light emitting surface. A distance between two points of the smooth curve the same distance away from the light incident surface gradually decreases along a direction away from the light incident surface. 1. A light guiding plate , comprising:a bottom surface;a light emitting surface opposite to the bottom surface; anda light incident surface perpendicularly connected between the bottom surface and the light emitting surface;wherein the light guiding plate defines a plurality of recesses in the light incident surface; each recess comprises a concave surface, and the concave surface is connected between the light emitting surface and the bottom surface; each concave surface forms a smooth curve on the light emitting surface; a distance between two points of the smooth curve the same distance away from the light incident surface gradually decreases along a direction away from the light incident surface.2. The light guiding plate of claim 1 , wherein the smooth curve is a parabola.3. The light guiding plate of claim 1 , wherein the recesses are arranged at equal intervals along a length of the light incident surface.4. The light guiding plate of claim 1 , wherein a width of each recess along an arrangement direction of the recesses is from about 0.02 millimeter (mm) to about 0.04 mm claim 1 , an interval between two adjacent recesses along an arrangement direction of the recesses is from about 0.01 mm to about 0.03 mm claim 1 , a maximum distance between the concave surface and the ...

Optical connector

An optical connector includes a printed circuit board, at least one emitter, at least one receiver, a coupler, and a number of positioning poles. The printed circuit board includes an assembling surface defining a number of first positioning recesses therein. The emitter and the receiver are electrically connected to the assembling surface of the printed circuit board. The coupler includes a bottom surface facing toward to the printed circuit board and at least two first lenses corresponding to the emitter and the receiver. The coupler defining a number of second positioning recesses in the bottom surface corresponding to the first positioning recesses. The positioning poles are positioned between the printed circuit board and the coupler, with one end of each positioning pole inserting and being fixed into a first positioning recess and the other end of each positioning pole inserting and being fixed into a second positioning recess.

METHOD, DEVICE AND STORAGE MEDIUM FOR CONTROLLING ELECTRONIC MAP

The present disclosure relates to a method, a device and a storage medium for controlling an electronic map. The method includes: detecting a first user operation, configured for setting a viewing angle of the electronic map; in response to the first user operation, setting the viewing angle of the electronic map; and if no first user operation being detected within a predetermined length of time, setting the viewing angle of the electronic map according a posture of the electronic apparatus detected at current time. 1. A method for controlling an electronic map in an electronic apparatus , the method comprising:detecting a first user operation for setting a viewing angle of the electronic map;in response to the first user operation, setting the viewing angle of the electronic map; andif no first user operation being detected within a predetermined length of time, setting the viewing angle of the electronic map according a posture of the electronic apparatus detected at current time.2. The method as claimed in claim 1 , wherein claim 1 , the step of setting the viewing angle of the electronic map according a posture of the electronic apparatus detected at current time claim 1 , comprises:obtaining reference posture parameters of the electronic apparatus;obtaining current posture parameters of the electronic apparatus;according to the reference posture parameters and the current posture parameters, obtaining a rotation angle of the electronic apparatus; andsetting the viewing angle of the electronic map according to the rotation angle of the electronic apparatus.3. The method as claimed in claim 2 , further comprising:before the step of obtaining reference posture parameters of the electronic apparatus, opening posture detection function of the electronic apparatus; andif the first user operation being detected, closing the posture detection function of the electronic apparatus.4. The method as claimed in claim 2 , wherein claim 2 , the step of setting the viewing ...