МОДУЛЬ СВЕРХВЫСОКОЙ ЧАСТОТЫ

Изобретение относится к радиотехнике, в частности к усилителям СВЧ-мощности, и может быть использовано на подвижных объектах в составе радиотехнических систем. Техническим результатом является разработка конструкции, обеспечивающей уменьшение собственных вибраций узлов внутри модуля СВЧ и механических нагрузок на узлы крепления гермокрышек к основанию, обеспечение технологичности сборки/разборки и стыковки его на объекте. Сущность изобретения: в модуле СВЧ усилительный элемент прикреплен к гермокрышке в месте вывода энергии. Место ввода энергии усилительного элемента крепится на основании. Для уменьшения собственных вибраций узлов, установленных на основании внутри модуля СВЧ, введены фиксирующие элементы, соединяющие узлы с гермокрышками, образуя единую конструкцию. Крепление модуля СВЧ к внешней аппаратуре выполнено за основание и гермокрышки. Места крепления модуля СВЧ к внешней аппаратуре расположены по периметру основания и на торцах гермокрышек. 2 ил.

УСИЛИТЕЛЬ СВЧ-МОЩНОСТИ

Изобретение предназначено для работы на подвижных объектах в составе радиотехнических систем, использующих доплеровскую обработку сигнала. Техническим результатом является снижение массы и габаритов и что особенно важно для работы ЛБВ значительно ослаблены вибрации, воздействующие на корпус ЛБВ и создающие помехи. Максимальный выигрыш обеспечивается в высокочастотной области воздействующих вибраций, что позволяет существенно улучшить выходные характеристики современных доплеровских систем, установленных на подвижных объектах. Сущность изобретения заключается в оригинальном конструктивном расположении элементов усилителя и креплении ЛБВ только к гермокрышкам. 2 ил.

ПОРТАТИВНЫЙ ПРИЕМНИК

Приемник содержит первый корпус, на котором установлена интегральная схема, управляющая компонентами приемника, и шарнирно укрепленный на первом корпусе второй корпус с установленной на нем антенной. Поскольку интегральная схема и антенна установлены в разных корпусах, приемник хорошо принимает радиоволны.

Befestigbare Geräteauflage mit einem Kommunikationsmittel

Eine befestigbare Auflage zum Befestigen an einer unteren Oberfläche einer Ausrüstung, wobei die befestigbare Auflage ein Gehäuse zum Abstützen eines Gewichts der Ausrüstung aufweist, wobei das Gehäuse einen Befestigungsabschnitt zum Fixieren der befestigbaren Auflage an der unteren Oberfläche der Ausrüstung, ein erstes Gehäuseteil und ein zweites Gehäuseteil aufweist, wobei das erste Gehäuseteil und das zweite Gehäuseteil eine Kammer des Gehäuses bilden, wobei die Kammer unterhalb des Befestigungsabschnitts angeordnet ist, und wobei die Kammer eine elektrische Schaltung und ein Kommunikationsmittel beherbergt, wobei das Kommunikationsmittel mit der elektrischen Schaltung verbunden ist, wobei die elektrische Schaltung ein Zusammenwirken mit der Ausrüstung bereitstellt, wobei eine Höhe der befestigbaren Auflage mindestens 1 cm ist.

Abstimmvorrichtung

Radio device comprises plug connection with contact for connecting radio device with external device, where connecting device is equipped for connecting contact with multiple terminals of port

The radio device (1) comprises a plug connection (2) with a contact for connecting the radio device with an external device. A connecting device is equipped for connecting the contact with multiple terminals (11.1,11.2,11.3,11.4,11.5,11.6,11.7) of a port (11). Each terminal is connected with an electronic component or assembly (13,13.1,13.2,13.3,13.4,13.5,13.6,13.7).

Fernbedienung

Fernbedienung (10) mit einem Gehäuse (12), wobei innerhalb des Gehäuses (12) die elektrischen Komponenten der Fernbedienung (10) angeordnet sind, mit Eingabemitteln (16, 20, 20a), wie Tastatur, Touchdisplay, Schalter, Joysticks und ähnlichem, zur Eingabe von Bedienbefehlen für ein Gerät (18), dadurch gekennzeichnet, dass ein vom Gehäuse (12) lösbares Zusatzgehäuse (34) vorgesehen ist, welches mit dem Gehäuse (12) verbindbar ist und im mit dem Gehäuse (12) verbundenen Zustand die Außenmaße der Fernbedienung (10) vergrößert, wobei das Zusatzgehäuse (34) im mit dem Gehäuse (12) verbundenen Zustand bereichsweise das Gehäuse (12) so umfasst, dass die Eingabemittel (16, 20, 20a) bei montiertem Zusatzgehäuse (34) zugänglich bleiben.

AUSRICHTUNGSUNABHÄNGIGE MILLIMETERWELLEN-FUNKVERBINDUNG

In der vorliegenden Spezifikation werden Architekturen, Plattformen und Verfahren zur Implementierung einer ausrichtungsunabhängigen Millimeterwellen(mm-Wellen)-Antenne in einer tragbaren Vorrichtung beschrieben.

Gehaeuse fuer Hochfrequenzsender

Improvements in or relating to high frequency coil systems comprising a slidable electrically conductive core

... 731,044. Inductors. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Oct. 22, 1953 [Oct. 25, 1952], No. 29208/53. Class 38 (2). [Also in Group XL (c)] A high-frequency coil system comprises at least one coil the inductance of which is varied by a slidable electrically conductive non- magnetic core which comprises at least two telescoping parts which parts are most fully telescoped at least when the core is totally without the coil. A coil 3 wound from a tubular copper conductor is provided with a slidable copper core 23 which comprises two telescoping parts 37, 39. The part 37 is fixed to a bracket 35 which is caused to slide along guide rails such as 13 and the part 39 is spaced from the part 37 by a spring 47. A pin 49 secured to the part 39. has a control card 51 attached thereto which is led over pulleys 53, 55 and finally secured to a fixed member 57. Move. ment of a control knob causes the bracket 35 to move to the right, thus moving the core part 37 out of the coil 3. At the same time the core ...

TRANSMITTERS AND TRANSMITTER CIRCUITS

RADIO TRANSMISSION SYSTEM FOR TV GAME MACHINE

Removable transceiver module and receptacle

Switching arrangements for frequency selection particularly in wireless transmitters

... 538,149. Wireless transmitting apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. April 22, 1940, No. 7266. Convention date, April 22, 1939. [Class 40 (v)] To enable a transmitter to operate on any one cf a number of different frequencies the transmitter is divided into a number of units of which one unit is fixed and common to all frequencies, while the other units are movable and comprise separate tuning assemblies corresponding to the different frequencies the arrangement being such that when one of the movable units is mechanically and electrically connected to the fixed unit, the other movable units will be simultaneously disconnected and moved away from the fixed unit. In Fig. 2, 1 is the fixed valve assembly unit and 20, 21 are alternative tuning units for different frequencies. The unit 1 carries rails 18 on which the other units slide under the control of a motor 34 acting through a screw-threaded spindle 33 on nuts 31, 32, the arrangement being such that when one unit is engaged ...

Infrarot-Fernsteuerung

Die Fernsteuerung hat ein Gehäuse mit einem für Infrarot-Licht durchlässigen Fenster (3) und eine im Gehäuse angeordnete Infrarot-Licht emittierende IRDiode (4). An mindestens einer Wand (1) des Gehäuses ist eine reflektierende Fläche (8) ausgebildet, die gegenüber der IR-Diode(4) so angeordnet ist, dass ein Teil der Strahlung reflektiert und in Richtung des Fensters (3) geleitet wird. Die reflektierende Fläche (8) ist eine polierte Teilfläche einer Gehäusewand (1). Sie kann quer zur Hauptstrahlrichtung (5) der IR-Diode (4) ogenförmig konkav gewölbt sein.

Mikrofonhalterung für Funkgeräte

Die Erfindung betrifft eine Mikrofonhalterung (1) zur Anbringung am Gehäuse (8) eines Funkgerätes, das mit einer damit verbundenen Stabantenne (9) versehen ist, wobei die Mikrofonhalterung (1) als auf dem Funkgerätegehäuse (8) aufsetzbarer Clip ausgebildet ist, der die Stabantenne (9) umschließt, und eine Aufnahmetasche (2) für das Mikrofon (10), eine Hülse (3) für die Aufnahme der Stabantenne (9) sowie eine Klammer (4) zum Festklemmen der Mikrofonhalterung (1) am Funkgerätegehäuse (8) umfasst.

Photograph device for modules of carrier frequency mechanisms

Mobile phone/two-way radio shoulder holster

Portable telephone cover

TRANSMITTERS AND RECEIVERS WITH ANTENNAS

An antenna with improved efficiency

RADIO TRANSMITTER DISPLAY INDICATOR

COMMUNICATION DEVICE

To eliminate the necessity of providing a special heat insulating structure or heat resisting properties and to simplify wiring. A modulation/demodulation unit, transmission/reception units of active and standby transmission systems, branching units of active and standby transmission systems, and a line switching and monitor control unit are accommodated in one casing. The modulation/demodulation unit and the line switching and monitor control unit, commonly used in the active and standby transmission systems, are incorporated in the lower part of the casing, and the transmission/reception units and the branching units of the active and standby transmission systems are incorporated in the upper part of the casing. The transmission/reception units and the branching units of the active and standby transmission systems are arranged in parallel such that the branching units are positioned at the center thereof.

Self-inductance à variation continue.

Hochfrequenz-Röhrengenerator.

Emetteur radioélectrique à ondes courtes et à gammes d'ondes multiples commutables.

Générateur d'oscillations électriques pour ultra-hautes fréquences.

Appareil de chauffage d'un diélectrique par haute fréquence

Schwingkammeranordnung in einem Mehrröhrenverstärker

Variometer mit Rollenkontakten.

Schiebevariometer mit künstlicher Kühlung.

Emetteur à hyperfréquence

Abstimmeinrichtung mit einer im Heizstromkreis einer Elektronenröhre liegenden Induktanzspule.

Vorrichtung zur Umschaltung der Wellenbereiche in einem Sender

Hochfrequenzsender

Aufnahmevorrichtung mit Einschüben, insbesondere für Trägerfrequenzeinrichtungen

USE OF EQUIPMENT OF THE POINT-TO-POINT RADIO TELECOMMUNICATION.

ARRANGEMENT DIMENSIONS STANDARDIZED BY ELECTRICAL FUNCTIONAL UNITS OF RADIO RELAY SYSTEMS IN RACKS WITH.

Housing for terrestrial radio station has hood and attachment devices with preferred breakage points so foot is not damaged if hood is struck by object

The housing has a housing foot (GF01) and cover (GD1) joined together via attachment devices. The terrestrial radio station is mounted in the housing foot. The cover maintains a volume free of foreign matter suitable for transmitting radio signals. The hood and attachment devices have preferred breakage points so that the foot is not damaged if the hood is struck by an object.

Pièce d'horlogerie munie d'un affichage d'une sélection adaptative de commandes manuelles.

L'invention porte sur une pièce d'horlogerie (1) destinée à émettre des commandes à destination d'un dispositif externe (70), comprenant : - un afficheur numérique (6) ; - un circuit de communication sans fil (82) ; - une interface de sélection manuelle (5, 6) ; - un microphone (87) : - une unité de traitement (81) configurée pour: o émettre une commande à destination d'un dispositif externe (70) en fonction d'un signal sonore reçu sur le microphone (87); o en fonction d'un historique de commandes sélectionnées antérieurement, de critères environnementaux, de critères comportementaux, de critères physiologiques du porteur de la pièce d'horlogerie, ou de critères d'état du dispositif externe, définir une liste de propositions de commandes à afficher; o afficher sur l'afficheur numérique (6) une interface de commande comprenant lesdites propositions de commandes de la liste définie.

novel broadcast transmitter switching system

Computer signal transmitter convenient to installation

Transmitter shell with rubber pads

Heat dissipation formula signal transmitter

Transmission device

A transmission device is configured by housing transmission units in a case under the conditions that, in the xyz orthogonal coordinates, only two transmission units (100) are juxtaposed in the z-axis direction so that flat conductor plates (361) face each other, one end of one of two juxtaposed transmission units (100) is located adjacent to the other end of the other transmission unit in the x-axis direction, and one end of one of two juxtaposed transmission units (100) is located adjacent to the other end of the other transmission unit in the y-axis direction.

Intelligent mobile wireless communication network system and control method

Frequency-modulation advertisement transmitter protective cover

A radio transmitter

Improved high frequency emitter

Mobile base station machine box

13GHz SDH transceiver housing

Portable wireless AP launcher

Cradle device having rotating hinge in pager

Mining vehicle-mounted low-frequency transmitting device

The invention belongs to the technical field of low-frequency communication, and particularly relates to a mining vehicle-mounted low-frequency transmitting device which comprises a bearing part, the bearing part is fixedly connected to a mine vehicle, a low-frequency transmitting node is fixedly connected to the upper portion of the bearing part, the low-frequency transmitting node is electrically connected with a control part, the control part is electrically connected with an energy supply part, the control part and the energy supply part are both fixedly connected to the upper portion of the bearing part, and the lower portion of the bearing part is fixedly connected with the lower portion of the bearing part. The low-frequency transmitting node, the energy supply part and the control part are all located in the protection mechanism, and the protection mechanism is fixedly connected to the bearing part; the mine car is further provided with a plurality of high-sensitivity pressure sensors ...

Arm of rotary contact, for currents high frequency of great intensity

TRANSMITTER Of ORDERS FOR the ORDERING Of COMPONENT ELECTRIC

transmitter of television

Process and tuners for transmitters and receivers radioelectric

Improvements with the generators of high frequency oscillations

DEVICE HAS AN INTERNAL CIRCUIT COMPRISING A DEFORMABLE SHELL PIEZOELECTRIC

MICROWAVE PACKAGE WITH REDUCED SPACE IN SURFACE AND MOUNTAIN SUCH A CASING ON A CIRCUIT.

Improvements to electrical systems for transmitting signalling, using electronic discharge tubes

PROCESS OF Remote CONTROL Of an ELECTRICAL APPLIANCE AND CONTROL DEVICE FOR the IMPLEMENTATION Of SUCH a PROCESS

DEVICE OF COMMUTATION WIRELESS TELEGRAPHY

L'invention concerne un dispositif de commutation sans-fil comportant : - un organe d'actionnement (200) mobile suivant un axe principal entre une position de repos et une position de travail, - un ressort (205) sollicité à l'effort par l'organe d'actionnement selon une direction sensiblement parallèle à l'axe principal, - un ensemble de commutation (50) comportant un poussoir agencé pour être actionné par l'organe d'actionnement (200) et un module émetteur sans-fil doté d'une antenne (503) permettant d'envoyer un message à un module récepteur lors d'une action sur le poussoir, - l'antenne (503) étant agencée de manière proéminente sur l'ensemble de commutation (50) suivant une direction sensiblement parallèle à l'axe principal et le ressort (205) de type hélicoïdal étant agencé de manière coaxiale à l'antenne (503).

HOME AUTOMATION SENSOR SECURITY

Le capteur domotique de sécurité (100) comprend un boîtier (10) destiné à être monté sur une structure. Le boîtier (10) comprend au moins une première surface (11) destinée au montage du boîtier (10) sur une zone plane de la structure, une quatrième et une cinquième surfaces (14, 15) destinées au montage du boîtier (10) sur une zone de la structure présentant deux faces au moins localement planes et orthogonales l'une par rapport à l'autre. En outre, le boîtier (10) comprend également une deuxième et une troisième surfaces (12, 13) destinées au montage du boîtier (10) sur une zone plane de la structure, lesdites au moins première, deuxième et troisième surfaces (11, 12, 13) étant orientées respectivement selon des premier, deuxième et troisième plans différents.

APPARATUS Of INDICATION OF POSITION OF VEHICLE

Un appareil de compte-rendu de position de véhicule comprend une carte de circuit imprimé (30) équipée d'un support de carte (34) pour recevoir une carte de communication (32), un circuit de communication monté sur la carte de circuit imprimé (30), un cadre de batterie (48) pour recevoir une batterie encastrée (26) et un boîtier de corps (36). Le boîtier de corps (36) définit une ouverture (36a) dans une direction sur un côté de telle sorte que la carte de circuit imprimé (30) et le cadre de batterie (48) sont insérés dans le boîtier de corps (36) à travers l'ouverture (36a). Le support de carte (34) est configuré pour que la carte de communication (32) soit insérée dans et retirée du support de carte (34) parallèlement à la direction. Le cadre de batterie (48) comprend un organe de limitation (50) limitant une insertion de la carte de communication (32) , lorsque le cadre de batterie (48) et la carte de circuit imprimé (30) sont logés dans le boitier de corps (36).

Sophisticated device of high frequency heating

A Shelf for Communication Apparatus Rack

PORTABLE COVER DEVICE OF PORTABLE TELEPHONE

APPARATUS FOR COOLING A COMMUNICATION EQUIPMENT, PARTICULARLY FOR DIRECTLY SUPPLYING COOL AIR TO A LOWER PORTION OF A COMMUNICATION EQUIPMENT BY USING A DUCT

PURPOSE: An apparatus for cooling a communication equipment is provided to improve the cooling efficiency of a communication equipment by directly ejecting cool air to a lower portion of a rack. CONSTITUTION: Through a duct(120) connected to a cooler outlet, a cooler(100) supplies cool air to a lower portion of racks(200), and one end of the duct is connected to the cooler outlet. The other end of the duct is extended to the lower portions of plural racks that constitute a communication equipment. The duct ejects the cool air to the lower portion of the rack, and a support(110) has a certain height from the floor of a communication room. The outlet through which the cool air is ejected is placed at an upper portion of the cooler, and an inlet that takes the indoor air is placed at a lower portion of the cooler. COPYRIGHT KIPO 2010 ...

estrutura de montagem modular de duplexadores para estação de rádio base compacta e unidade de rádio remota

Wall-embedded remote controller with integrated smart phone remote control function

ACCESS POINT DEVICE

Provided is an access point device with which the number of connected wireless communication devices in an entire given space can be increased. This access point device 3 is a wireless LAN access point device that is connected to a wired network NT, and that simultaneously connects multiple wireless communication clients 4 to the wired network NT. This access point device has: an interface unit 12 that exchanges communication signals with an external device 2; an antenna unit 6 that transmits and receives, as wireless communication signals, the communication signals exchanged with the interface unit 12; and an attenuator 10 that is provided in a signal emission portion of the antenna unit 6, and reduces the communicable range of the wireless communication signals.

NOVEL MODEL TRANSMITTER

The present utility model provides a novel model transmitter. The model transmitter can be connected to a game console or personal computer external device; the model transmitter can receive a digital signal sent by an external module of the game console external device; the model transmitter analyzes and maps the digital signal to form a wireless control signal; the model transmitter transmits the wireless control signal to a physical model to achieve the control on the physical model by the game console external device. According to the present utility model, by operating a physical model by using a game console external device, the consumption experience of a user of the game console external device is effectively improved, so that the user of the game console external device can directly operate the physical model, and game players obtain a new experience mode in the operation and control mode of models.

ACCESS POINT DEVICE

Provided is an access point device for a wireless local area network (LAN) whereby the number of wireless communication devices to be connected within the entirety of an arbitrary space can be increased. This access point device (3) is an access point device for a wireless LAN that is connected to a wired network (NL) and allows multiple wireless communication clients (4) to be simultaneously connected to the wired network (NL). The access point device has: an interface unit (13) that exchanges a communication signal with an external device (2); an antenna unit (6) that receives/transmits, in the form of a wireless communication signal, the communication signal exchanged with the interface unit (13); and an attenuator (10) that is disposed at a signal-emitting part of the antenna unit (6) and reduces the communicable range of the wireless communication signal.

CONTAINER BOX FOR ANTENNA DEVICE AND ELECTRIC DEVICE

Condensation water occurring within a container box (300) is discharged to the outside thereof, thereby keeping the inside of the container box (300) at low humidity with no condensation water therein. The container box (300) has been sealed with an electric circuit unit (210) contained thereby. The container box (300) has: a very small discharge aperture (322) that is formed at the bottom of the container box (300); and a discharge valve (330) that is a non-return valve for closing the discharge aperture (322). Only when the internal pressure of the container box (300) is higher than the external pressure thereof by a predetermined value or any greater value, the discharge valve (330) opens to discharge the liquid existing within the container box (300) via the discharge aperture (322). During the other times, the discharge valve (330) closes to keep the airtightness of the container box (300).

MOBILE TELEPHONE HAVING TERMINAL ASSEMBLY WITH WATERPROOF STRUCTURE

A mobile communication terminal having a waterproof terminal assembly is disclosed. The mobile communication terminal includes an outer casing a chamber and a terminal hole, and a printed circuit board. Further, the mobile communication terminal includes an assembly frame (20) having on an upper end portion thereof a sealing member (21) that is made of an elastic material. A conductive connection pin (30) is assembled with the assembly frame such that an end portion of the connection pin is electrically connected to the printed circuit board, and the other end portion of the connection pin is disposed in a space defined in the assembly frame. A contact terminal (40) is water-tightly coupled to the sealing member, and includes a contact end portion (43) spaced apart form the connection pin by a predetermined distance, and a contact part (41) passing through the sealing member to be exposed to the outside.

Latching assembly for a removable panel of a portable electronic device

A portable electronic device ( 100 ) includes a base cover ( 12 ), a latching assembly ( 13 ) including a knob ( 14 ) and a spring ( 16 ), and a removable panel ( 18 ). The knob includes a sliding slit ( 1462 a) and a latching projection ( 1452 ). The panel includes a latching hole ( 185 ) and a resisting protrusion ( 1852 ). The knob is engagable in the latching hole. The knob is attached on the base cover and can be rotated. One end of the spring biases the knob, and another end of the spring protrudes out of the sliding slit and biases the base cover. When the panel is attached on the base cover, the resisting protrusion and the latching projection interfere with each other to drive the knob to rotate in a first direction, the spring rebounds and drives the knob to rotate in an opposite second direction, and the resisting protrusion is secured below the latching projection.

LIGHTING DEVICE AND METHOD FOR SUPPLYING A WIRELESS TRANSMISSION MODULE

The invention relates to a lighting device, comprising a first lighting means and a transmission module for wireless transmission and for providing a position identification signal comprising position determination data. The lighting device also comprises an electronic operating device for operating the first lighting means, wherein the electronic operating device is coupled on the input side to an electrical supply connection of the lighting device and on the output side to the first lighting means by a first connection device. The electronic operating device comprises an energy converter for supplying the transmission module with electrical energy. The invention further relates to a system for providing a position indication having a plurality of such lighting devices. In addition, the invention relates to a method for operating a lighting device having a first lighting means by providing a position identification signal comprising position determination data by means of a transmission ...

Spinning accessory for a mobile electronic device

An expandable spinning accessory for a portable media player. The accessory includes a platform for attaching the spinning accessory to the portable media player or a case for the portable media player. The accessory also includes a skin operably coupled to the platform, a button operably coupled to the skin opposite the platform, and a bearing assembly operably coupled to the skin and to the button. The bearing assembly is configured to facilitate rotation of the button relative to the skin.

PENDANT TYPE WIRELESS DEVICE

PROBLEM TO BE SOLVED: To make it difficult for a wireless device to be removed from a clothing of a user and to make the wireless device so as not to be obstructive even when the wearer bends forward. SOLUTION: This device is constituted in such a manner that a body 1 of this device is hung from one's neck by providing a string material 2 to the body 1 of the device and hanging the string material 2 on one's neck. In this case, on the side where a control button button is not provided, a hold part 3 for hooking the body 1 of this device is provided on a cloth of a user. The hold part 3 is equipped with a locking parts 3a composed of, for example, formed material and a spring shape spring 3b and the body 1 and one end of the locking parts 3a are brought into contact with each other and can be hooked on the cloth of the user by the spring 3b energizing the locking part 3a to the body side. COPYRIGHT: (C)1999,JPO ...

SYSTEM FOR CONTROLLING ON-VEHICLE EQUIPMENT

PROBLEM TO BE SOLVED: To make it possible to automatically report a failure state to an external center when a fault occurs in an on-vehicle equipment constituting a vehicle by finding out the position of an automobile from a navigation device and reporting emergency information to a nearest external center through a telephone line. SOLUTION: At the time of detecting the generation of an emergency state from a vehicle state detection sensor 17, a front server acquires the position of an automobile from its navigation device 11f and edits reporting data for reporting the generation of the emergency state. The reporting data include the name of a sensor detecting abnormality or an abnormal position, the fault state of a vehicle equipment such as a detection value, the position of the automobile, survival information, the automobile telephone number, and so on. Then the front server finds out a nearest external center from the position of the automobile by referring to an external center information ...

DEVICE FOR FIXING HOUSING

PROBLEM TO BE SOLVED: To fix a housing to a portion of piping arranged in the vertical direction or a portion of piping arranged in the horizontal direction. SOLUTION: The device for fixing a housing comprises housings 12 and 13, and a bracket member 20 for fixing the housings to piping 40. The housing has at least two first fixing portions for securing the housing to a wall surface at least two fixing positions while opposing the first surface side to the wall surface. The bracket member has a recess 21 into which the piping is fitted. The device for fixing a housing can take a state where the housing is secured to the bracket member while fixing the first fixing portion of the housing to the second fixing portions 24 and 25 of the bracket member with the piping being fitted in the recess, and a state where the housing is secured to the bracket member while fixing the first fixing portion of the housing to the third fixing portions 221 and 222 of the bracket member with the piping being ...

Data management device and recording medium

A data management device includes an input controller which accepts an input of a data acquisition instruction in a state in which a folder image relating to a folder in which data is to be stored is displayed on a display unit, a data acquisition controller which acquires data from a data acquisition unit in accordance with the data acquisition instruction accepted by the input controller and a data management unit which stores the data acquired by the data acquisition unit in a data storage unit with associating the acquired data with a folder specified by the folder image displayed on the display unit when the data acquisition instruction is accepted.

Cross-read resolution method for use in a radio frequency identification system

A radio frequency identification system comprises a tag, a back-end system, and a plurality of readers, each reader having at least one antenna coupled thereto. In a cross-read resolution method performed by a first reader, the first reader receives a first tag read of the tag having a tag identifier. The first reader determines a first metric for the first tag read, and transmits the first metric and the tag identifier to a second reader. The first reader receives a second metric and the tag identifier from the second reader, wherein the second metric is determined by the second reader based on a second tag read of the tag by the second reader. The first reader executes an algorithm, based at least in part, on the first metric and the second metric, to determine whether the first reader will report the tag identifier to the back-end system.

Encoded Micro Pattern

In embodiments, an encoded micro pattern includes segments of encoded bits that can be optically-imaged by a digitizer. The position of each segment in the encoded micro pattern can be determined from the encoded bits in a segment. Each of the segments of the encoded micro pattern also includes a fiducial marker that indicates an orientation of a segment in the encoded pattern. The encoded bits of the encoded micro pattern can be integrated into a display surface of a display device, or integrated in a display screen that is positioned over the display surface of a display device.

Communication method and apparatus for phone having voice recognition function

A method and apparatus for communicating through a phone having a voice recognition function are provided. The method of performing communication using a phone having a voice recognition function includes converting to an incoming call notification and voice recognition mode when a phone call is received; converting to a communication connection and speakerphone mode when voice information related to a communication connection instruction is recognized; performing communication using a speakerphone; and ending communication when voice information related to a communication end instruction is recognized during communication using the speakerphone. Therefore, when a phone call is received, a mode of a phone is converted to a speakerphone mode with a voice instruction using a voice recognition function, and thus communication can be performed without using a hand.

System for enhanced barcode decoding and image recognition and method therefor

A system for enhanced barcode decoding and image recognition and method therefor. Target image data and ancillary image data are received at a server from a client device. Using the target image data and the ancillary image data, enhancement parameters are chosen to augmenting and/or enhanced the target image data. A code database is queried using the augmented/enhanced image data to identify codes that that match the target image. When multiple possible matching codes are returned in response to the query, a trending pattern associated with at least one of the target image data and the ancillary image is identified and is used to select the most probable match from the multiple possible matches.

Metering infrastructure smart cards

A metering infrastructure having smart devices that utilize smart cards. An infrastructure having a plurality of smart devices is disclosed wherein each smart device is adapted to be controlled by a removable smart card, and wherein each removable smart card includes a computational platform capable of storing and executing program code and a set of application programs capable of being executed on the computational platform, wherein each of the set of application programs is implemented to control an aspect of an associated smart device into which the removable smart card is inserted.

Transceiver Arrangement and Method for Processing a Signal

A transceiver arrangement includes a first receive path including a first connection and a first receive amplifier, and a second receive path including a second connection, a second receive amplifier, and a frequency conversion device. The transceiver also includes a controllable coupling device configured to couple an output of the first receive amplifier to an input of the frequency conversion device on the second signal path, and a control circuit configured to provide a control signal to the coupling device for selectively combining signals delivered by the first and second receive amplifiers in the correct phase based on a parameter which is derived from a signal present at the first connection or second connection, or both. The parameter derived from the received signal represents whether a signal strength of the received signal or a signal quality of the received signal exceeds a first predetermined threshold.

Method, terminal, server, and system for providing a service

A method, terminal, server, and a system for providing a service are provided. In a method of providing a plurality of applications pursuant to identifying a tag by a user terminal, the user terminal identifies the tag to obtain tag information and transmits a request for a service to a service providing server, which then obtains a plurality of application identification information corresponding to the tag information and generates and provides to the user terminal an applications list corresponding to the plurality of application identification information.

Card key

A card key has a molded body and an upper and a lower housings. The molded body has a circuit board, to which electronic parts for communicating with an in-vehicle equipment are mounted and which is covered with resin. The molded body is formed in a plate shape. The upper and the lower housings are fixed to each other so that the molded body is arranged between them. An external appearance of the card key is defined by the upper and the lower housings.

Alerting a smart card reader of probable wireless communication

A wireless device may alert a wireless smart card reader that communication of data between the wireless device and the wireless smart card reader is probably imminent by sending an activation alert. Upon receipt of the activation alert, if the wireless smart card reader is in a low-power state, the wireless smart card reader may enter a higher-power state. If the wireless smart card reader is in the higher-power state upon receipt of the activation alert, the wireless smart card reader may remain in the higher-power state until a timeout period has expired. The wireless device may instruct the wireless smart card reader to enter the low-power state by sending a deactivation alert if the wireless device detects that communication of data between the wireless device and the wireless smart card reader is not likely to occur within a specified period of time.

Mobile terminal and operation control method thereof

Embodiments discussed herein relate to a mobile terminal providing a user interface capable of more conveniently searching a user's visited web pages. To this end, a mobile terminal according to an embodiment discussed herein may include a storage unit configured to store link information between a first web page and a second web page when the second web page is approached from the first web page; a display unit configured to display a first indicator indicating the first web page and a second indicator indicating the second web page together with the link information; and a controller configured to control the display unit to display a web page corresponding to the selected indicator when either one of the first indicator and second indicator is selected.

Terminal and method for executing function using human body communication

Methods and apparatus for human body communication are provided. A communication signal for transmission through the human body is generated. The communication signal is transmitted when the terminal is in contact with the human body. The touch is detected, and a communication signal is determined based on a number of the touch and a duration of the touch. A function corresponding to the communication signal is executed.

Mobile device for multi-channel sound collection and output using common connector, and driving method thereof

A mobile device for providing multi-channel sound collection and output using a common connector, and a driving method thereof are provided. A mobile device having a sound compressor and a sound decompressor includes a connector slidably receiving a sound collector plug or a sound output plug, a plug identification unit for, if one of the sound collector plug and the sound output plug is coupled to the connector, identifying if the plug coupled to the connector is the sound collector plug or is the sound output plug, a switching unit for electrically coupling the plug coupled to the connector, to the sound compressor, or electrically coupling the plug coupled to the connector, to the sound decompressor, and a controller for controlling switching of the switching unit according to the identification outcome.

POWER-SAVING RECEIVER CIRCUITS, SYSTEMS AND PROCESSES

An electronic circuit includes a receiver circuit (BSP) operable to perform coherent summations having a coherent summations time interval, and a power control circuit () coupled to said receiver circuit (BSP) and operable to impress a power controlling duty cycle (T, T) on the receiver circuit (BSP) inside the coherent summations time interval. Other circuits, devices, systems, methods of operation and processes of manufacture are also disclosed. 1. A power management circuit for controlling a process having a maximum available interval for coherent summations , the power management circuit comprisinga power gating circuit operable to turn power on and off to at least one portion of the process; anda control circuit operable to establish a rate of turning the power on and off by said power gating circuit so that the rate equals or exceeds the reciprocal of the maximum available interval for coherent summations.2. The power management circuit claimed in wherein said power gating circuit is configurable and said control circuit is operable to configure said power gating circuit.3. The power management circuit claimed in wherein power is gated by at least part of said power gating circuit to said control circuit itself.4. The power management circuit claimed in wherein said control circuit is further operable to establish an on-time interval for said power gating circuit at the established rate.5. The power management circuit claimed in further comprising a voltage supply circuit operable to regulate power to said power gating circuit.6. The power management circuit claimed in wherein said control circuit has an input for at least one signal representing signal-to-noise ratio.7. The power management circuit claimed in wherein said control circuit has an input for at least one signal representing user application information.8. The power management circuit claimed in wherein said control circuit has an input for at least one signal representing Doppler difference.9. ...

Anti-collision system and method for reducing the collision of data transmitted by rfid tags

Provided are an anti-collision system and method which address the mobility of radio frequency identification (RFID) tags. An RFID reader may transmit an identification start command to identify a plurality of RFID tags in an identification area of the RFID reader. The RFID tags compare the number of collisions of each RFID tag receiving the identification start command with a collision threshold C th and attempt to be identified in a binary tree section of a frame or in a framed slotted ALOHA (FSA) section of the frame based on the comparison.

TRANSPONDER WITH RECEIVING MEANS HAVING A LOW ELECTRICAL CONSUMPTION IN A LISTENING MODE

The transponder comprises an antenna and a receiver circuit () for receiving RF signals, this receiver circuit is implemented with a control mechanism to activate it at least periodically in a listening mode. This receiver circuit is comprises a decoding circuit (), formed at least by a demodulator () and a decoder (), and a wake-up circuit (B) to analyze received RF signals in the listening mode and arranged for controlling the activation of the decoding circuit in this listening mode. The wake-up circuit comprises a frequency discriminator () and a digital modulation or preamble detector () downstream from a field clock generator (). The wake-up circuit receives as entry an alternating signal branched from the signal chain through the receiver circuit upstream from the demodulator and it activates the decoding circuit only when a modulation or a preamble is detected in a received RF signal by the digital modulation or preamble detector. 1. A transponder comprising an antenna and a receiver circuit for receiving Amplitude Modulated RF signals (AM-RF signals) , this receiver circuit comprising a wake-up circuit and further at least a demodulator , the receiver circuit being associated to a control mechanism of the transponder activating this receiver circuit at least periodically in a listening mode in which the wake-up circuit analyzes received RF signals and controls the activation of at least the demodulator in function of these received RF signals , wherein this wake-up circuit receives as entry an alternating signal branched from the signal chain through the receiver circuit upstream from said demodulator and having the carrier frequency of the received RF signals , wherein the wake-up circuit comprises a frequency discriminator arranged for detecting if said carrier frequency is within a given frequency range , wherein the wake-up circuit further comprises a field clock generator and a digital modulation or preamble detector downstream from this field clock ...

Bar-code Assignment System for Medical & Other Uses

A bar code generation and processing system for medical and other use comprises at least one repository and a bar code processor. The at least one repository of information includes, identification data of multiple bar code scanners and also associates a bar code displayed in an image associated with an executable application and presented on a device with, the executable application and at least one of, (a) the device and (b) a data destination associated with the application. The bar code processor receives identification data of a bar code scanner and data representing the bar code displayed in the image and uses the information in associating the bar code with the data destination associated with the application and a particular bar code scanner of the multiple bar code scanners. The bar code processor communicates data acquired using the particular bar code scanner to the data destination in response to the association.

SEMICONDUCTOR DEVICE

In a transmission portion of a semiconductor device, a first amplification portion receives a digital baseband signal and amplifies the signal with a first gain through digital processing. A digital-to-analog conversion portion converts the digital baseband signal amplified by the first amplification portion into an analog baseband signal. A modulation portion generates a transmission signal by modulating a local oscillation signal with the analog baseband signal. A second amplification portion amplifies the transmission signal with a variable second gain. A control unit receives information representing a transmission mode and adjusts the first gain in accordance with the transmission mode. 1. A semiconductor device capable of transmitting data in accordance with each of a plurality of transmission modes , comprising:a first amplification portion receiving a first digital baseband signal and generating a second digital baseband signal by amplifying said first digital baseband signal with a first gain, the first gain being variable;a digital-to-analog conversion portion for converting said second digital baseband signal generated by said first amplification portion into an analog baseband signal;a modulation portion for generating a transmission signal by modulating a local oscillation signal with said analog baseband signal;a second amplification portion for amplifying said transmission signal with a variable second gain; anda control unit receiving information representing any of said plurality of transmission modes and adjusting said first gain in accordance with said information.2. The semiconductor device according to claim 1 , whereinsaid control unit further adjusts said second gain in accordance with said information.3. The semiconductor device according to claim 2 , whereinsaid control unit adjusts said first and second gains such that a minimum amount of change in said first gain is less than a minimum amount of change in said second gain.4. The ...

METHOD AND DEVICE FOR SENDING/RECEIVING ELECTROMAGNETIC SIGNALS RECEIVED/SENT ON ONE OR MORE FIRST FREQUENCY BANDS

In order to send electromagnetic signals received on one or more first frequency bands, the method applies a transformation to the signals, by performing the following actions: selecting first frequency subbands, forming a first set of frequency subbands of the first frequency band(s); using organization rules to associate one or more second sets of frequency subbands, forming one or more second frequency bands, with each first frequency subband of the first set; and using optimization rules to determine frequency translations to transpose the signals received in the first frequency subbands into signals sent in the second frequency band(s). 1. A method for transmitting electromagnetic signals received in one or more first frequency bands , comprising:selecting first frequency sub-bands as a first set of frequency sub-bands of the first frequency band(s);in accordance with organizational rules, associating with each first frequency sub-band of the first set, one or more second sets of frequency sub-bands of one or more second frequency bands; anddetermining, for each first frequency sub-band selected, frequency translations for transposing the signals received in the first frequency sub-bands to signals transmitted in the second frequency band(s) in order to defragment the first frequency set in the second frequency band(s) by reducing width of the second frequency band.2. The method according to claim 1 , including selecting only the first frequency sub-bands in which electromagnetic signals considered wanted are received.3. The method according to claim 1 , wherein the organizational rules include rules of associating a second frequency sub-band with a segment covering all or part of a first frequency sub-band.4. The method according to claim 1 , wherein the optimization rules include rules for building a second set of frequency sub-bands adjacent to at least one other frequency sub-band of the set.5. The method according to claim 1 , used in a cellular ...

Antenna Tuning Using the Ratio of Complex Forward and Reflected Signals

Embodiments operate to reduce impedance mismatch between the PA and the antenna in a transceiver, thereby reducing the VSWR at the PA output and improving both the delivered power to the antenna and receiver sensitivity. In embodiments, an antenna tuner is placed between the PA and the antenna. The antenna tuner includes programmable components that can be tuned in order to effect an impedance translation between the antenna and the PA output, thereby reducing reflections seen by the PA. In an embodiment, the antenna tuner is adapted dynamically based on changes in the impedance of the antenna. Accordingly, the PA is operated very close to its optimal load impedance. In another embodiment, the antenna tuner is controlled based on measurement of the voltage reflection coefficient S 1. A method for controlling an antenna tuner coupled between a power amplifier (PA) and an antenna in a wireless device , comprising:measuring forward and reflected signal components at an output of the PA, wherein the forward and reflected signal components result from applying an input signal to a transmit path of the wireless device;generating amplitude and phase information from each of the measured forward and reflected signal components;estimating a voltage reflection coefficient using the generated amplitude and phase information; andadjusting the antenna tuner based on the voltage reflection coefficient to reduce an impedance mismatch between the PA and the antenna.2. The method of claim 1 , wherein measuring the forward and reflected signal components comprises selectively controlling a directional coupler coupled to the output of the PA.3. The method of claim 1 , wherein generating the amplitude and phase information from each of the measured forward and reflected signal components comprises separately down-converting and digitizing the forward and reflected signal components to generate respectively forward digital baseband in-phase (I) and quadrature (Q) signals and reflected ...

CONTACTLESS SIGNAL SPLICING

A first electronic device may include a first electronic circuit and a second electronic circuit is provided. The first electronic device may include an internal communication link providing a signal path for conducting communication signals between the first electronic circuit and the second electronic circuit. An interface circuit may be operatively coupled to the internal communication link. The interface circuit may include an extremely high frequency (EHF) communications circuit configured to receive an EHF electromagnetic signal from another EHF communications circuit of a second electronic device. This EHF electromagnetic signal may enable the second electronic device to control or monitor the first electronic device. 1. An electronic device comprising:a first electronic circuit;a second electronic circuit;an internal communication link providing a signal path for conducting communication signals between the first electronic circuit and the second electronic circuit; andan interface circuit operatively coupled to the internal communication link and including an extremely high frequency (EHF) communications circuit configured to receive an EHF electromagnetic signal from an external device and generate from the received EHF electromagnetic signal a receive communication signal, the interface circuit selectively applying the receive communication signal to the internal communication link.2. The electronic device according to further comprising a second EHF communications circuit configured to generate an EHF electromagnetic signal from an internal communication signal conducted on the internal communication link claim 1 , and transmit the generated EHF electromagnetic signal to the external device.3. The electronic device according to claim 2 , wherein the transmitter is configured to transmit a modulated EHF signal representing communication signals between the first electronic circuit and the second electronic circuit.4. The electronic device according to ...

Methods and Systems for Pre-Emphasis of an Envelope Tracking Power Amplifier Supply Voltage

Embodiments provide systems and methods for producing an envelope tracking (ET) PA supply voltage with minimum headroom relative to the desired RF output signal of the PA. In an embodiment, the PA supply voltage is generated by applying an ET signal to an ET path of the wireless device, and by further applying pre-emphasis to the ET signal to compensate for a frequency response of the ET path. Embodiments operate by estimating the frequency response of the ET path and determining the pre-emphasis based on the estimate of the frequency response of the ET path. In embodiments, the pre-emphasis is applied using a pre-emphasis filter, which may be within or outside of the ET path. Further, the pre-emphasis may be applied to the ET signal in digital or analog form. 1. A method for controlling a power amplifier (PA) in a wireless device , comprising:generating an envelope tracking (ET) signal based on an envelope of a complex transmit signal;applying the ET signal to an ET path of the wireless device to generate a supply voltage signal;applying pre-emphasis to the ET signal, wherein the pre-emphasis compensates for a frequency response of the ET path of the wireless device; andproviding the supply voltage signal to the PA.2. The method of claim 1 , wherein generating the ET signal comprises computing a magnitude of the complex transmit signal and compensating the computed magnitude.3. The method of claim 1 , wherein applying the ET signal to the ET path of the wireless device comprises up-sampling the ET signal to reduce digital-to-analog converter (DAC) produced images of the ET signal.4. The method of claim 1 , wherein applying the ET signal to the ET path of the wireless device comprises applying the ET signal to a power supply that produces the supply voltage signal.5. The method of claim 1 , further comprising:(a) applying tone samples of a pre-determined frequency to the ET path;(b) sampling the supply voltage signal, resulting from the applied tone samples, to ...

System and Method for Radio Antenna Sharing in an Information Handling System

An information handling system includes a processing system with a radio output, another processing system with a radio output, and a radio selector operable to couple an antenna to a selected one of the radios. A radio selector board includes a radio, a selector switch with an input terminal coupled to the radio, another input terminal coupleable to another radio, a control input coupleable to a control module, and an output coupleable to an antenna. In response to a control signal from the control module, the selector switch connects the first radio to the antenna, and in response to another control signal, the selector switch connects the other radio to the antenna. 1. A method comprising:coupling a first radio associated with a first processing system of an information handling system to a first switch of a radio selector board, wherein the first processing system is operable to control the first radio;coupling a second processing system to a second radio of the radio selector board, wherein the second radio is associated with the second processing system, and wherein the second processing system is operable to control the second radio;coupling the second radio to the first switch;coupling a first antenna to the first switch;in response to operating the first processing system in a first low-power mode, connecting the second radio to the first antenna; andin response to operating the second processing system in a second low-power mode, connecting the first radio to the first antenna.2. The method of claim 1 , further comprising:coupling the first radio to a second switch;coupling the second radio to the second switch;coupling a second antenna to the second switch;in response to operating the first processing system in the first low-power mode, connecting the second radio to the second antenna; andin response to operating the second processing system in a second low-power mode, connecting the first radio to second antenna.3. The method of claim 1 , further ...

POWER MANAGEMENT OF RADIO TRANSCEIVER ELEMENTS

A radio receiver includes a power control module for selectively powering down and powering up radio receiver elements in between known communication periods according to one aspect of the present invention. According to a second aspect of the invention, the radio receiver operates in a low power mode of operation and periodically “sniffs” to determine whether an access point has messages or communication signals to transmit to it. 1. A radio receiver , comprising:a plurality of radio receiver circuit elements; and identifying a receiver inactivity time corresponding to a time period between received RF signals in an established communication link;', 'identifying one or more elements of the plurality of radio receiver circuit elements that can be powered down and back up within the receiver inactivity time to reduce power consumption; and', 'identifying a restoration time for at least one element of the one or more elements, wherein the restoration time is a time at which the at least one element should automatically be powered on in order to achieve an operational mode steady state prior to the expiration of the receiver inactivity time., 'a power control module for2. The radio receiver of claim 1 , wherein the power control module further:powers down the at least one element during the receiver inactivity time; andpowers the at least one element of the radio receiver back to an operational mode based upon the restoration time such that the at least one element reaches a steady state of operation by the expiration of the receiver inactivity time.3. The radio receiver of claim 1 , wherein the power control module determines the receiver inactivity time based upon known and defined communication periods claim 1 , a number of communication beacons claim 1 , or a known amount of time until an allocated time slot in a time divided communication system.4. The radio receiver of claim 1 , wherein the at least one element comprises at least one of an RF front end claim 1 , ...

Communications Chip with Multi-Port Distributed Antenna

Methods and systems for power combining in a multi-port distributed antenna are disclosed and may include power combining signals from power amplifiers (PAs) on a chip. The PAs may be coupled to a single distributed antenna via antenna ports. A phase of each of the signals may be matched at the antenna ports via phase-matching circuitry. A characteristic impedance may be configured at the ports based on a location of the ports. The PAs may be impedance matched to the antenna ports via impedance matching elements. A power level of the power-combined signals may be monitored via a power detector coupled to the distributed antenna. The power detector may include an envelope detector, such as a diode. The antenna may be integrated on the chip or may be located external to the chip. The signals may include RF signals and the antenna may include a microstrip antenna. 120-. (canceled)2127-. (canceled)28. A wireless communications chip comprising:at least one circuit comprising a plurality of power amplifiers, said plurality of power amplifiers being coupled to a microstrip antenna via a plurality of antenna ports;said at least one circuit being operable to produce at least one combined signal from said plurality of power amplifiers.29. The wireless communications chip of claim 28 , wherein said at least one circuit is operable to match a phase of said at least one combined signal.30. The wireless communications chip of claim 28 , wherein said at least one circuit is operable to configure a characteristic impedance at least at one of said plurality of antenna ports.31. The wireless communications chip of claim 28 , wherein said at least one circuit comprises an impedance matching element operable to impedance match at least one of said plurality of power amplifiers to one of said plurality of antenna ports.32. The wireless communications chip of claim 28 , wherein said at least one circuit comprises a power detector coupled to said distributed antenna claim 28 , said power ...

Apparatus, Methods, Computer Programs and Computer Readable Storage Mediums for Wireless Communications

An apparatus including a first port configured to receive signals from a transceiver and to receive a first antenna; a second port configured to receive signals from a transceiver and to receive a second antenna; a first reactive component coupled to the first port; a second reactive component coupled to the first reactive component at a first junction and to the second port, wherein at least the first reactive component is configured to have an impedance that shifts the phase of a first signal, in a second operational resonant frequency band, received from the first antenna, and the second reactive component is configured to have an impedance that shifts the phase of a second signal, in the second operational resonant frequency band, received from the transceiver, so that the first signal and the second signal at least partially destructively interfere with one another at the first junction. 1. An apparatus comprising:a first port configured to receive signals from a transceiver and to receive a first antenna, the first antenna being configured to operate in a first operational resonant frequency band;a second port configured to receive signals from a transceiver and to receive a second antenna, the second antenna being configured to operate in a second operational resonant frequency band;a first reactive component coupled to the first port;a second reactive component coupled to the first reactive component at a first junction and to the second port, wherein at least the first reactive component is configured to have an impedance that shifts the phase of a first signal, in the second operational resonant frequency band, received from the first antenna, and the second reactive component is configured to have an impedance that shifts the phase of a second signal, in the second operational resonant frequency band, received from the transceiver, to cause at least partial destructive interference between the first signal and the second signal at the first junction.2. An ...

RADIO FREQUENCY PACKAGE ON PACKAGE CIRCUIT

A radio frequency package on package (PoP) circuit is described. The radio frequency package on package (PoP) circuit includes a first radio frequency package. The first radio frequency package includes radio frequency components. The radio frequency package on package (PoP) circuit also includes a second radio frequency package. The second radio frequency package includes radio frequency components. The first radio frequency package and the second radio frequency package are in a vertical configuration. The radio frequency components on the first radio frequency package are designed to reduce the effects of ground inductance. 1. A radio frequency package on package circuit comprising:a first radio frequency package comprising radio frequency components; anda second radio frequency package comprising radio frequency components, wherein the first radio frequency package and the second radio frequency package are in a vertical configuration, and wherein the radio frequency components on the first radio frequency package are designed to reduce the effects of ground inductance.2. The radio frequency package on package circuit of claim 1 , wherein the first radio frequency package comprises passive radio frequency components.3. The radio frequency package on package circuit of claim 1 , wherein the second radio frequency package comprises active radio frequency components.4. The radio frequency package on package circuit of claim 1 , wherein each of the radio frequency components on the first radio frequency package are passive radio frequency components.5. The radio frequency package on package circuit of claim 1 , wherein each of the radio frequency components on the second radio frequency package are active radio frequency components.6. The radio frequency package on package circuit of claim 1 , wherein the first radio frequency package comprises active radio frequency components.7. The radio frequency package on package circuit of claim 1 , wherein the second radio ...

LINEAR FET FEEDBACK AMPLIFIER

A circuit that includes a Darlington transistor pair having an input transistor and an output transistor configured to generate an output signal at an output node in response to an input signal received through the input node is disclosed. The circuit has a resistor-inductor-capacitor (RLC) type frequency bias feedback network communicatively coupled between the output transistor and the input node for providing biasing to the Darlington transistor pair as well as for adjusting at least one characteristic of an amplified version of the input signal that passes through the input transistor and into the frequency bias network. The circuit further includes a feedback coupling network coupled between the output node and the input node for feeding back to the input node a portion of the amplified version of the input signal that passes through the input transistor. 1. A circuit comprising:a Darlington transistor pair having an input transistor and an output transistor configured to generate an output signal at an output node in response to an input signal received through an input node; a bias transistor coupled between a feedback coupling network and a fixed voltage node; and', 'a resistor-inductor-capacitor (RLC) tuning network that is tunable within a range that increases a third order intercept point (IP3) to improve an upper frequency band linearity; and, 'a frequency bias feedback network communicatively coupled between the output transistor and the input node for providing biasing to the Darlington transistor pair as well as for adjusting at least one characteristic of an amplified version of the input signal that passes through the input transistor and into the frequency bias feedback network, wherein the frequency bias feedback network comprisesthe feedback coupling network coupled between the output node and the input node for feeding back to the input node a portion of the amplified version of the input signal that passes through the input transistor.2. The ...

RADIO FREQUENCY TRANSCEIVER

A radio frequency transceiver which can support various frequency conversion schemes is provided. The radio frequency transmitter includes a first low pass filter, a second low pass filter, a first filter input port connected to an input terminal of the first low pass filter, a second filter input port connected to an input terminal of the second low pass filter, a first filter output port connected to an output terminal of the first low pass filter, a second filter output port connected to an output terminal of the second low pass filter, an I/Q modulator, an I input port connected to an I input terminal of the I/Q modulator, a Q input port connected to a Q input terminal of the I/Q modulator; and a Radio Frequency (RF) output port connected to an output terminal of the I/Q modulator. 1. A radio frequency transmitter comprising:a first low pass filter;a second low pass filter;a first filter input port connected to an input terminal of the first low pass filter;a second filter input port connected to an input terminal of the second low pass filter;a first filter output port connected to an output terminal of the first low pass filter;a second filter output port connected to an output terminal of the second low pass filter;an I/Q modulator;an I input port connected to an I input terminal of the I/Q modulator;a Q input port connected to an Q input terminal of the I/Q modulator; anda Radio Frequency (RF) output port connected to an output terminal of the I/Q modulator.2. The radio frequency transmitter of claim 1 , wherein the radio frequency transmitter is implemented as a chip claim 1 , and the first filter input port claim 1 , the second filter input port claim 1 , the first filter output port claim 1 , the second filter output port claim 1 , the I input port claim 1 , the Q input port claim 1 , and the radio frequency output port are implemented as a pin mounted on the chip.3. The radio frequency transmitter of claim 2 , further comprising an amplifier unit ...

SINGLE CHANNEL FULL DUPLEX WIRELESS COMMUNICATION

A single channel full duplex wireless communication system includes a processor, a transmitter, a receiver, a secondary transmission path, a combining element, a primary transmission feedback path and a secondary transmission feedback path. The transmitter transmits a transmission signal via a transmission path. The receiver receives a received signal via a reception path. The transmitter and the receiver utilize one channel to transmit and receive signals. The transmission signal causes self-interference. The processor estimates a first transfer function and feeds the secondary transmission path with the transmission signal adjusted by the first transfer function to reduce the transmission signal leaked to the reception path. The combining element combines the transmission signal with the adjusted secondary transmission path signal to remove the self-interference. The primary transmission feedback path output is modified by a second transfer function. The secondary transmission feedback path output is modified by a third transfer function. 1. A single channel full duplex wireless communication system , comprising:a processor;a transmitter coupled to the processor, the transmitter transmitting a transmission signal via a transmission path;a receiver coupled to the processor, the receiver receiving a received signal via a reception path, wherein the transmitter and the receiver utilize one channel, at the same time, to transmit and receive said transmission and received signals, the transmission signal causing self-interference;a secondary transmission path coupled to the transmitter; andthe processor estimating a first transfer function and feeding the secondary transmission path with the transmission signal adjusted by the first transfer function in such a way that the secondary transmission path signal reduces the transmission signal leaked to the reception path;a combining element coupled to the receiver, the combining element being configured to combine the ...

WIRELESS COMMUNICATION APPARATUS AND CONTROL METHOD THEREFOR

A wireless communication apparatus for performing wireless communication using an antenna selected from a plurality of antennas. A received power detection unit detects received power received by an antenna selected from the plurality of antennas. A reflected power detection unit detects transmitted reflected power of the selected antenna. A switching unit switches an antenna used for communication to another antenna based on a variation of the received power detected by the received power detection unit and an amount of electric power of the reflected power detected by the reflected power detection unit. 1. A wireless communication apparatus for performing wireless communication using an antenna selected from a plurality of antennas comprising:a received power detection unit which detects received power received by an antenna selected from the plurality of antennas;a reflected power detection unit which detects transmitted reflected power of the selected antenna; anda switching unit which switches an antenna used for communication to another antenna based on a variation of the received power detected by the received power detection unit and an amount of electric power of the reflected power detected by the reflected power detection unit.2. The apparatus according to claim 1 , wherein when the variation of the received power detected by the received power detection unit exceeds a first threshold claim 1 , the switching unit switches the antenna used for communication to another antenna.3. The apparatus according to claim 1 , wherein when the reflected power detected by the reflected power detection unit exceeds a second threshold claim 1 , the switching unit switches the antenna used for communication to another antenna.4. The apparatus according to claim 1 , further comprisinga contact detection unit which detects contact of an object at a predetermined position from the selected antenna on a housing of the wireless communication apparatus,wherein when the contact ...

TRANSMISSION-RECEPTION DEVICE

A transmission-reception device includes a radio frequency section that performs a frequency conversion on a signal which is modulated using a single carrier transmission system, a correction coefficient multiplier that multiplies a frequency domain signal by a distortion correction coefficient in the frequency conversion of the radio frequency section to correct a distortion, a first transformer that converts a time domain signal into a frequency domain signal at a time of reception, and converts the frequency domain signal which is distortion-corrected by the correction coefficient multiplier into a time domain signal at a time of transmission, and a second transformer that converts a time domain signal into a frequency domain signal at a time of transmission, and converts the frequency domain signal which is distortion-corrected by the correction coefficient multiplier into a time domain signal at a time of reception. 1. A transmission-reception device , comprising:a radio frequency section that performs a frequency conversion on a signal which is modulated using a single carrier transmission system;a correction coefficient multiplier that multiplies a frequency domain signal by a distortion correction coefficient in the frequency conversion of the radio frequency section to correct a distortion;a first transformer that converts a time domain signal into a frequency domain signal at a time of reception, and converts the frequency domain signal which is distortion-corrected by the correction coefficient multiplier into a time domain signal at a time of transmission; anda second transformer that converts a time domain signal into a frequency domain signal at a time of transmission, and converts the frequency domain signal which is distortion-corrected by the correction coefficient multiplier into a time domain signal at a time of reception.2. The transmission-reception device according to claim 1 , whereinthe first transformer converts a loopback signal from a ...

Methods for Reducing Near-Field Radiation and Specific Absorption Rate (SAR) Values in Communications Devices

A method is provided for reducing near-field radiation and specific absorption rate values in a communications device that includes a multimode antenna structure transmitting and receiving electromagnetic signals and circuitry for processing signals communicated to and from the antenna structure. The method includes adjusting the relative phase between signals fed to neighboring antenna ports of the antenna structure such that a signal fed to the one antenna port has a different phase than a signal fed to the neighboring antenna port to provide antenna pattern control and to increase gain in a selected direction toward a receive point. The method features using a transmit power lower than the transmit power used in a non-pattern control operation of the antenna structure such that the communications device obtains generally equivalent wireless link performance with the receive point using reduced transmit power compared to the non-pattern control operation, thereby reducing the specific absorption rate. 1. A method of reducing near-field radiation and specific absorption rate (SAR) values in a communications device , said communications device including a multimode antenna structure transmitting and receiving electromagnetic signals and circuitry for processing signals communicated to and from the antenna structure , said antenna structure comprising: a plurality of antenna ports operatively coupled to the circuitry; a plurality of antenna elements , each operatively coupled to a different one of the antenna ports; and one or more connecting elements electrically connecting the antenna elements at a location on each antenna element that is spaced apart from an antenna port coupled thereto to form a single radiating structure and such that electrical currents on one antenna element flow to a connected neighboring antenna element and generally bypass the antenna port coupled to the neighboring antenna element , the electrical currents flowing through the one antenna ...

Rfid material tracking method and apparatus

A method and apparatus for tracking items automatically is described. A passive RFID (Radio Frequency IDentification) tag is used with a material tracking system capable of real-time pinpoint location and identification of thousands of items in production and storage areas. Passive RFID tags are attached to the item to be tracked, remote sensing antennas are placed at each remote location to be monitored, interrogators with several antenna inputs are connected to the sensing antennas to multiplex the antenna signals, and a host computer communicates with the interrogators to determine item locations to an exacting measure.

Apparatus and method for controlling screen brightness in a mobile terminal

An apparatus and a method for controlling screen brightness in a mobile terminal are provided. Particularly, an apparatus and a method for providing information regarding a currently set screen brightness degree and simplifying a process for changing a brightness control mode in a mobile terminal are provided. A sensing unit of the terminal determines an amount of ambient light during an automatic brightness control mode that controls the screen brightness, and a screen manager controls the screen brightness according to either a user mode or an automatic mode where the transition from the automatic mode to the user mode is simplified.

OUTPUT STAGE FOR WIRELESS TRANSMITTER

In one embodiment, an apparatus includes a first block configured to decompose an input signal into a positive component and a negative component. The apparatus further includes a second block configured to generate a mixer positive driver component from the positive component and a mixer negative driver component from the negative component and input the mixer positive driver component and the negative driver component into a mixer for a wireless transmitter. 1. An apparatus comprising:a first block configured to decompose an input signal into a positive component and a negative component; anda second block configured to generate a mixer positive driver component from the positive component and a mixer negative driver component from the negative component and input the mixer positive driver component and the negative driver component into a mixer of a wireless transmitter.2. The apparatus of claim 1 , further comprising a buffer including an input to receive the input signal.3. The apparatus of claim 2 , wherein the buffer includes a first input to receive a positive current in the input signal and a second input to receive a negative current in the input signal.4. The apparatus of claim 1 , wherein the first block and the second block include transistors of a first type and a second type.5. The apparatus of claim 4 , wherein the second block comprises:a first output branch including a first transistor of the first type and a second transistor of the second type; anda second output branch including a third transistor of the first type and a fourth transistor of the second type,wherein the first current passes through the first transistor and the third transistor and the second current passes through the second transistor and the fourth transistor.6. The apparatus of claim 5 , wherein:the first output branch is coupled to a first input of the mixer, andthe second output branch is coupled to a second input of the mixer.7. The apparatus of claim 5 , wherein:a gate of ...

Micro FM Audio Transmitter

A micro FM audio transmitter comprises a base male terminal receiving power and data transmissions from a digital product and providing audio output, a base female terminal receiving external charge and transferring data to said digital product, and a FM signal conversion transmitter receiving audio output from the base male terminal, transferring it into FM signals and transmitting it. Besides, an audio low-pass control circuit, a dual-frequency selection circuit and a power dependent audio switching circuit are installed, so reducing of volume and preventing electromagnetic interference are achieved.

System and method of duplex wireless audio link over broadcast channels

A device and method of duplex audio communication over a broadcast channel are disclosed. The device and method disclosed in the present invention use the clear channel technique to automatically select an un-occupied channel for the transmit side and utilizes an identification embedded in a sub-channel to allow the receiver to automatically tune to the channel used by the transmitter. The clear channels may be determined by respective transceivers or determined by a master transceiver.

Method and apparatus for controlling brightness of display in mobile device

A method and an apparatus for automatically controlling the brightness of a display unit in a mobile device according to external illuminance are provided. The brightness control method includes measuring a gradient of the mobile device, measuring an external illuminance through at least one of an illuminance sensor and a camera, depending on the measured gradient of the mobile device, and regulating the brightness of the mobile device, based on the measured external illuminance.

SCALABLE HIGH-BANDWIDTH CONNECTIVITY

A scalable, high-bandwidth connectivity architecture for portable storage devices and memory modules may utilize EHF communication link chip packages mounted in various two-dimensional and three-dimensional configurations on planar surfaces such as printed circuit boards. Multiple electromagnetic communication links between devices distributed on major faces of card-like devices may be provided with respectively aligned pairs of communication units on each device. Adjacent communication units on a printed circuit board may transmit or receive electromagnetic radiation having different polarization, such as linear or elliptical polarization. Power and communication between communication devices may both be provided wirelessly. 1. An EHF communication unit comprising a die including a transmitter circuit and a receiver circuit; a first antenna operatively connected to the transmitter circuit; a second antenna operatively connected to the receiver circuit; and dielectric material encapsulating and holding in relative spaced relationship the first antenna , the second antenna , and the die , the first and second antennas transmitting or receiving electromagnetic radiation having different respective polarization characteristics.2. The communication unit of claim 1 , wherein the first and second antennas transmit or receive linearly polarized electromagnetic radiation and a first polarization direction vector of radiation transmitted by the first antenna is oriented orthogonally to a second polarization direction vector of radiation received by the second antenna.3. The communication unit of claim 1 , wherein the first antenna transmits one of right-handed and left-handed polarized electromagnetic radiation claim 1 , and the second antenna receives the other of right-handed and left-handed polarized electromagnetic radiation.4. The communication unit of claim 1 , wherein the die has a length and a width; the first antenna is located at a first port disposed at a point ...

IMAGE READING AND WRITING USING A COMPLEX TWO-DIMENSIONAL INTERLACE SCHEME

The current invention relates to writing or reading a pattern on a surface, such as in microlithography or inspection of mircrolithographic patterns. In particular, Applicant discloses systems recording or reading images by scanning sparse 2D point arrays or grids across the surface, e.g., multiple optical, electron or particle beams modulated in parallel. The scanning and repeated reading or writing creates a dense pixel or spot grid on the workpiece. The grid may be created by various arrays: arrays of light sources, e.g., laser or LED arrays, by lenslet arrays where each lenslet has its own modulator, by aperture plates for particle beams, or arrays of near-field emitters or mechanical probes. For reading systems, the point grid may be created by a sparse point matrix illumination and/or a detector array where each detector element sees only one spot. The idea behind the use of large arrays is to improve throughput. However, the throughput does not scale with the array size, since above a certain size of arrays, previously known schemes fall into in their own tracks and start repeating the same data over and over again. This application discloses methods to scan workpieces with large arrays while preserving the scaling of throughput proportional to array size, even for very large arrays, in fact essentially without limits. 1. A method of relaying pattern information in pulses between an array of more than 100 by 100 elements to spots on a surface of a workpiece , the method including:moving the array between pulses by a displacement vector that creates a regular distribution of a predetermined number of interstitial spots within a cell on the surface, the cell having corners defined by spots projected from the elements with the array in a first position, with a substantial balancing of the regular distribution of the interstitial spots, having an imbalance of no more than a 3:2 ratio along major and minor axes of distribution.2. The method of claim 1 , wherein ...

INTEGRATED CIRCUIT DEVICE, WIRELESS COMMUNICATION UNIT AND METHOD OF MANUFACTURE THEREFOR

An integrated circuit device comprising at least one radio frequency (RF) transceiver module. The at least one RF transceiver module includes a plurality of low noise amplifiers (LNAs) operably coupled to external contacts of the integrated circuit device and arranged to receive an RF signal from the respective external contact, amplify the received RF signal, and to output the amplified RF signal. Each transceiver module further includes a plurality of power amplifier (PA) modules operably coupled to the external contact of the integrated circuit device, and arranged to receive an RF signal to be transmitted, amplify the received RF signal to be transmitted, and output the amplified signal. The plurality of LNAs and the plurality of PAs are selectively configurable to operate in at least a first, multi-antenna configuration and a second, single antenna high transmit power configuration. 1. An integrated circuit device comprising: a plurality of low noise amplifiers (LNAs) having respective input ports operably coupled to at least one external contact of the integrated circuit device and arranged to receive a first RF signal from the at least one external contact and output an amplified received first RF signal, and', 'the plurality of LNAs and the plurality of PAs are selectively configurable to operate in at least a first, multi-antenna configuration and a second, single antenna high transmit power configuration.', 'a plurality of power amplifiers (PAs) having respective output ports operably coupled to the at least one external contact of the integrated circuit device, and arranged to receive at respective power amplifier input ports a second RF signal and output an amplified second RF signal to be transmitted, wherein'}], 'at least one radio frequency (RF) transceiver module, wherein the at least one RF transceiver module comprises2. The integrated circuit device of wherein the plurality of LNAs and the plurality of PAs are selectively configurable to operate in ...

SEMICONDUCTOR DEVICE AND COMMUNICATION SYSTEM INCLUDING THE SAME

Disclosed is a semiconductor device including a semiconductor chip and a semiconductor package. The semiconductor package includes an antenna formed of a lead frame, a first wire that connects the antenna and a first electrode pad of the semiconductor chip, and a second wire that connects the antenna and a second electrode pad of the semiconductor chip. The semiconductor chip is disposed in one of four regions in the semiconductor package sectioned by line segments connecting midpoints of two pairs of opposing sides of the semiconductor package. A centroid of the semiconductor chip is positioned outside a closed curve composed of a straight line segment connecting a first connection point where the antenna and the first wire are connected and a second connection point where the antenna and the second wire are connected, and a line connecting the first and second connection points along the antenna. 1. A semiconductor device comprising:a semiconductor chip; anda semiconductor package that seals the semiconductor chip and has a substantially rectangular planar shape, wherein first and second electrode pads; and', 'at least one of a transmission circuit that transmits a signal via the first and second electrode pads and a reception circuit that receives the signal via the first and second electrode pads,, 'the semiconductor chip comprises an antenna formed of a lead frame;', 'a first wire that connects the antenna and the first electrode pad; and', 'a second wire that connects the antenna and the second electrode pad,, 'the semiconductor package comprisesthe semiconductor chip is disposed in one of four regions in the semiconductor package that are sectioned by line segments connecting midpoints of two pairs of opposing sides of the semiconductor package, anda centroid of the semiconductor chip is positioned outside a closed curve that is composed of a line segment connecting by a straight line a first connection point where the antenna and the first wire are connected ...

MICRO ANTENNA FEEDER FOR WIDE BAND

The present invention relates to a micro wideband antenna feeder, and more particularly, to a micro wideband antenna feeder in which a quad scheme antenna and a cross dipole antenna are coupled to each other. The micro wideband antenna feeder includes: a quad scheme antenna; and a cross dipole antenna installed orthogonal to the quad scheme antenna and irradiating current distribution orthogonal to current distribution irradiated from the quad scheme antenna. According to preferred embodiments of the present invention, since phases 0, 90, 180, and 270 can be shifted by being designed as a feeding network PCB, a circularly polarized wave can be implemented. 1. A micro wideband antenna feeder , comprising:a quad scheme antenna; anda cross dipole antenna installed orthogonal to the quad scheme antenna and irradiating current distribution orthogonal to current distribution irradiated from the quad scheme antenna.2. The micro wideband antenna feeder of claim 1 , further comprising:a transmission circuit substrate coupled to the quad scheme antenna or the cross dipole antenna; anda reception circuit substrate coupled to the quad scheme antenna or the cross dipole antenna,wherein both transmission and reception bands meet wideband circularly polarized characteristics.3. The micro wideband antenna feeder of claim 2 , wherein the quad scheme antenna or the cross dipole antenna share the same transmission/reception focus and space as an assembled parabola dish.4. The micro wideband antenna feeder of claim 2 , wherein the transmission circuit substrate includes a transmission circuit pattern substrate and a transmission circuit cover substrate and the reception circuit substrate includes a reception circuit pattern substrate and a reception circuit cover substrate claim 2 ,wherein the transmission circuit pattern substrate and the reception circuit pattern substrate include:a signal inputting unit;a signal distributing and phase shifting unit distributing a signal generated ...

Systems and Methods for Tuning an Antenna for a Frequency Modulation Transceiver

Systems and methods for tuning an antenna for a frequency modulation (FM) transceiver are provided. A representative system includes: a network of electrical adjustable passive components that receives and sends radio frequency (RF) signals to a receiver circuitry via the network of electrical adjustable passive components. The receiver circuitry determines the received signal strength indication (RSSI) of the RF signal. The system further includes a transmitter circuitry that transmits RF signals via the network of electrical adjustable passive components, and a peak detector circuitry that receives and determines a voltage output of the RF signals from the variable capacitors. An auto-tune circuitry receives the RSSI and output value from the receiver circuitry and the peak detector circuitry, respectively. The auto-tune circuitry is configured to adjust capacitance values of at least one of the serial variable capacitor and the parallel variable capacitor based on the RSSI and the voltage output during the reception and transmission of the RF signals, respectively. 1. A handheld device comprising:a receiver circuitry that receives RF signals and determines the received signal strength indication (RSSI) of the RF signals; andan antenna auto-tune circuitry that receives the RSSI, the antenna auto-tune circuitry being configured to adjust a value of at least one of its electrical component based on the RSSI during the reception of the RF signals.2. The handheld device as defined in claim 1 , wherein the at least one of its electrical component includes at least one of the following passive components: one or more variable parallel capacitors claim 1 , one or more variable serial capacitors claim 1 , one or more parallel capacitors claim 1 , one or more serial capacitors claim 1 , one or more variable parallel inductors claim 1 , one or more variable serial inductors claim 1 , one or more parallel inductors claim 1 , one or more serial inductors claim 1 , one or more ...

Illumination optical system, light irradiation apparatus for spectrometry, and spectrometer

Provided is a portable communication device including a receiver, a transmitter, an adjustment signal generator, an adjustment signal detector, and a control circuit unit. The transmitter transmits an adjustment signal to the receiver in order to adjust a received resonant frequency. The adjustment signal detector detects a parameter including information on a transmission state of the adjustment signal at a time of transmitting the adjustment signal. Then, the control circuit unit corrects a deviation of the received resonant frequency based on a detection result of the adjustment signal detector.

WIRELESS COMMUNICATION DEVICE, METHOD FOR CONTROLLING WIRELESS COMMUNICATION DEVICE, PROGRAM, AND STORAGE MEDIUM

In a wireless communication device (), adjustment means (matching controlling means ()) changes a reactance of a matching section (), determination means (calculation means (), matching controlling means ()) determines whether a resonance frequency of an antenna () exists on a side higher than or lower than the operation frequency of the antenna () on the basis of a change in an intensity of a signal, which change is caused by a change in the reactance and is detected by a signal intensity detection section (), and the adjustment means adjusts the reactance so that the resonance frequency is closer to the operation frequency on the basis of a result of determination of the determination means. 1. A wireless communication device , comprising:an antenna;a wireless controlling section for processing a signal that the antenna transmits and receives;a matching section which is connected between the antenna and the wireless controlling section and has a variable reactance;signal intensity detection means for detecting an intensity of the signal passed between the antenna and the wireless controlling section;adjustment means for changing the variable reactance of the matching section;determination means for determining whether a resonance frequency of the antenna exists on a side higher than or lower than an operation frequency of the antenna on the basis of a change in the intensity which is caused by a change in the variable reactance; anda storage section in which a plurality of matching adjustment values for defining the variable reactance,the adjustment means further adjusting the variable reactance to a value defined by one of the plurality of matching adjustment values so that the resonance frequency is closer to the operation frequency on the basis of a result of determination of the determination means.2. The wireless communication device as set forth in claim 1 , wherein:the operation frequency is a frequency for use in transmission via the antenna; andthe ...

Memory card connector

A memory card connector includes a housing including an accommodation portion and contacts, a slider movable between an initial position and a fully-inserted position, a correct-insertion abutting portion and an incorrect-insertion abutting portion provided on the slider, and a stopper-switch leaf spring. A stopper is provided on the stopper-switch leaf spring, wherein the slider is allowed to slidably move from the initial position to the fully-inserted position when the stopper-switch leaf spring is positioned at a stopper-ineffective position, and the slider is prevented from slidably moving from the initial position to the fully-inserted position when the stopper-switch leaf spring is positioned at a stopper-effective position. The stopper-switch leaf spring and the stopper are positioned within the housing when the stopper-switch leaf spring is in a free state.

Gain control system

A gain control system may include an input terminal that receives an input signal. The gain control system may include a first transistor having a source connected with the input terminal and a drain connected with an output terminal. The gain control system may include a second transistor having a gate connected with the input terminal and the source of the first transistor. The second transistor may have a drain connected with the output terminal. The second transistor may generate a reduction signal. The output terminal may output an output signal based on the input signal and the reduction signal.

CLASSIFIER FOR RADIO FREQUENCY FRONT-END (RFFE) DEVICES

A method for classifying radio frequency front-end (RFFE) devices. The method includes enumerating a radio frequency front-end (RFFE) slave device according to at least one classifier bit within the RFFE slave device. The method also includes adjusting an RFFE control interface of an RFFE master device according to slave device configuration information determined from the at least one classifier bit within the RFFE slave device. 1. A method of wireless communication , comprising:enumerating a radio frequency front-end (RFFE) slave device according to at least one classifier bit within the RFFE slave device; andadjusting an RFFE control interface of an RFFE master device according to slave device configuration information determined from the at least one classifier bit within the RFFE slave device.2. The method of claim 1 , in which adjusting further comprises:configuring radio frequency plane control software or hardware of the RFFE master device according to the slave device configuration information.3. The method of claim 1 , in which adjusting further comprises:adjusting a voltage level of the RFFE control interface of the RFFE master device according to the slave device configuration information.4. The method of claim 1 , in which adjusting further comprises:adjusting a clock frequency of the RFFE master device according to the slave device configuration information.5. The method of claim 1 , in which enumerating further comprises reading a plurality of classifier bits from a classifier register within the RFFE slave device.6. The method of claim 1 , in which the slave device configuration information comprises slave device specification information claim 1 , a minimum/maximum clock frequency claim 1 , a minimum/maximum power level claim 1 , slave devices function(s) claim 1 , a preferred RF communication frequency claim 1 , an electromagnetic interference level claim 1 , and/or a device class.7. An apparatus configured for wireless communication claim 1 , the ...

RADIO FREQUENCY ARCHITECTURE FOR SPECTRUM ACCESS NETWORKS

Radio frequency (RF) architectures for spectrum access networks are provided. Embodiments of the invention generally provide a radio frequency (RF) architecture for customer premise equipment (CPE) for use in, for example, IEEE 802.22 wireless regional area networks (WRANs). In some embodiments, the CPE RF architecture includes two receive chains with a directional antenna and an omni-directional antenna, respectively. The CPE RF architecture facilitates opportunistic out-of-band spectrum sensing and WRAN signal receiving that are performed in parallel with data transmission. 1. A method of operating a coordinated pair of circuits in a Consumer Premise Equipment (CPE) in a Wireless Regional Area Network (WRAN) comprising:providing an out-of-band sensing circuit comprising: an omnidirectional sensing antenna; a first tunable pre-selective filter coupled to the omnidirectional sensing antenna; a first low noise amplifier coupled to the first tunable pre-selective filter; a first mixer coupled to the low noise amplifier; a first tunable local oscillator coupled to the first mixer; a first channel filter coupled to the first mixer; a first WRAN synchronization demodulator module coupled to the first channel filter; and a sensing scheme module coupled to the first channel filter;the first tunable pre-selective filter and the first tunable local oscillator receiving a first common tuning signal;the first WRAN synchronization demodulator module ignoring in-band signals but detecting other, out-of-band, WRAN signals, either from other WRAN base stations, television channels, or from other Consumer Premise Equipment;providing a transmitting and receiving circuit comprises: a directional antenna operable both as a transmitter and a receiver; a radio frequency (RF) switch coupled to the directional antenna; an in-band demodulation circuit coupled to the RF switch; and an in-band modulation circuit coupled to the RF switch; andthe out-of-band sensing circuit operating at the ...

DATA COMMUNICATION TERMINAL APPARATUS

A data communication terminal apparatus is disclosed that includes a printed circuit board, a ground plane formed in the printed circuit board, a connector disposed on an end portion of the printed circuit board, and an antenna configured to have a feeding portion at one end and another end, the other end being connected to the ground plane via a capacitor between the feeding portion and the connector, the antenna forming a loop with the ground plane. 1. A data communication terminal apparatus comprising:a printed circuit board;a ground plane formed in the printed circuit board;a connector disposed on an end portion of the printed circuit board; andan antenna configured to have a feeding portion at one end and another end, the other end being connected to the ground plane via a capacitor between the feeding portion and the connector, the antenna forming a loop with the ground plane.2. The data communication terminal apparatus as claimed in claim 1 , further comprising a main antenna formed on the printed circuit board claim 1 , the main antenna being disposed on an opposite side to that of the end portion of the printed circuit board.3. The data communication terminal apparatus as claimed in claim 1 , wherein the capacitor is a capacitor chip mounted on the printed circuit board claim 1 , or a capacitor formed by a first edge portion of the antenna and a second edge portion of the ground plane claim 1 , the first edge portion and the second edge portion facing each other in plan view.4. The data communication terminal apparatus as claimed in claim 1 , wherein the ground plane is formed in a rectangular shape having a cutoff area which is formed beside the connector in plan view claim 1 , andwherein the antenna forms the loop with an edge of the ground plane, the edge being formed along the cutoff area.5. The data communication terminal apparatus as claimed in claim 1 , wherein the antenna is formed by patterning a conductive layer of the printed circuit board.6. The ...

Rf and high-speed data cable

A cable is disclosed for transmitting high speed digital baseband signals together with analog RF signals between first and second components. The RF signals may be transmitted between an antenna in the first component and an RF transceiver in the second component at operating frequencies such as for example 70 MHz to 6 GHz. In order to reduce cross-talk between the digital and analog lines, the analog signal may be carried over a line including a pair of wires such as a differential signal pair. The pair of wires carrying the analog signal may include baluns at either end to enable delivery over the pair of wires. The baluns may be wideband baluns to support communication over the full range of operating frequencies. In order to further reduce cross-talk, the digital and/or analog lines may be encased within an EMI-absorbing jacket made of extruded ferrite as one example.

ANTENNA ASSEMBLY FOR LONG-RANGE HIGH-SPEED WIRELESS COMMUNICATIONS

Various embodiments of antenna assemblies are disclosed herein. In one embodiment, the antenna assembly includes a reflector comprising a center opening, a feed-antenna subassembly situated in front of the reflector, a rear housing situated behind the reflector, and a pole-mounting bracket comprising a base plate situated between the reflector and the rear housing. The feed-antenna subassembly comprises a feed tube that houses at least one of: a transmitter circuit and a receiver circuit. The rear housing is coupled to a front side of the reflector via the center opening. The rear housing comprises a center cavity, and a back end of the feed tube is inserted in and coupled to the center cavity. The base plate is coupled to the reflector and the rear housing in such a way that decoupling between the base plate and the reflector requires a prior decoupling between the feed-antenna subassembly and the rear housing and a prior decoupling between the rear housing and the reflector. 1. An antenna assembly , comprising:a reflector comprising a center opening;a feed-antenna subassembly situated in front of the reflector, wherein the feed-antenna subassembly comprises a feed tube that houses at least one of: a transmitter circuit and a receiver circuit;a rear housing situated behind the reflector, wherein the rear housing is coupled to a front side of the reflector via the center opening, wherein the rear housing comprises a center cavity, and wherein a back end of the feed tube can be inserted in and coupled to the center cavity; anda pole-mounting bracket comprising a base plate and a back plate, wherein the base plate is situated between the reflector and the rear housing, and wherein the base plate can be coupled to the reflector and the rear housing in such a way that decoupling between the base plate the reflector requires a prior decoupling between the feed-antenna subassembly and the rear housing and a prior decoupling between the rear housing and the reflector.2. ...

LOW POWER DATA RECOVERY USING OVER-CLOCKING

Described herein are apparatus, system, and method for low power data recovery using over-clocking. The apparatus is a receiver that comprises an edge detector to detect a first falling edge and a first rising edge of an input signal received from a transmitter; a counter to count in a first direction in response to detecting the first falling edge, and to count in a second direction in response to detecting the first rising edge of the input signal, the counter to generate a final count value based on the counts in the first and second directions; and a decision unit to determine whether data in the input signal is of logical high or logical low value, the determination made according to the final count value, wherein the receiver and the transmitter are a Mobile Industry Processor Interface (MIPI®) M-PHY receiver and transmitter. 1. A receiver comprising:an edge detector to detect a first falling edge and a first rising edge of an input signal received from a transmitter;a counter to count in a first direction in response to detecting the first falling edge, and to count in a second direction in response to detecting the first rising edge of the input signal, the counter to generate a final count value based on the counts in the first and second directions; anda decision unit to determine whether data in the input signal is of logical high or logical low value, the determination made according to the final count value.2. The receiver of further comprises:an over-sampler, coupled to the counter, to generate an over-sampled clock signal for the counter.3. The receiver of claim 2 , wherein the over-sampler is operable to generate the over-sampled clock signal by generating pulse signals at the rising and falling edges of an input clock signal.4. The receiver of further comprises a flip-flop or a latch to latch an output of the decision unit by one of the rising or falling edges of the input clock signal.5. The receiver of claim 1 , wherein the input signal is a pulse ...

Method and apparatus for authenticating password

Provided is a method and apparatus for authenticating a password, wherein the method includes: generating at least one input grid cell into which a password is input from among a plurality of grid cells realized on a screen of a user terminal; and authenticating the password when the password is identical to a number of identification grid cells included in an authentication range predetermined based on the at least one input grid cell, wherein the identification grid cells are set to authenticate the password from among the plurality of grid cells. Accordingly, password information may be prevented from being exposed to a third person observer since a variable password is input whenever a user tries password authentication in a terminal.

SYSTEM FOR ACCEPTING MAIL MATTER

A system for accepting a mail matter is provided, which includes an image processing unit recognizing a mailing address; a weight measurement unit measuring a weight of the mail matter; a mailing address information input unit; a postage information storage unit; a postage settlement unit; an interface unit for selecting mailing addresses of an addresser and an addressee; a labeler printing the mailing addresses of the addresser and the addressee and a registered barcode on a label and attaching the label to the mail matter; a discharger discharging the mail matter; and an integrated control unit settling the postage through the postage settlement unit, attaching the selected mailing addresses of the addresser and the addressee and the registered barcode to the mail matter through the labeler, and discharging the mail matter through the discharger. 1. A system for accepting a mail matter comprising:an image processing unit recognizing a mailing address mentioned on the mail matter through photographing of the mail matter;a weight measurement unit measuring a weight of the mail matter;a mailing address information input unit receiving an input of the mailing address from an external storage device;a postage information storage unit storing postage information;a postage settlement unit settling the postage in association with a financial server;an interface unit displaying the mailing address input from the mailing address information input unit and the mailing address recognized by the image processing unit to make it possible to select mailing addresses of an addresser and an addressee from the mailing address input from the mailing address information input unit;a labeler printing the mailing addresses of the addresser and the addressee and a registered barcode on a label and attaching the label to the mail matter;a discharger discharging the mail matter to which the label is attached through the labeler; andan integrated control unit settling the postage through ...

SYSTEM AND METHOD FOR IMPLEMENTING A SINGLE CHIP HAVING A MULTIPLE SUB-LAYER PHY

A system and method are disclosed for supporting 10 Gigabit digital serial communications. Many of the functional components and sublayers of a 10 Gigabit digital serial communications transceiver module are integrated into a single IC chip using the same CMOS technology throughout the single chip. The single chip includes a PMD transmit/receive CMOS sublayer, a PMD PCS CMOS sublayer, a XGXS PCS CMOS sublayer, and a XAUI transmit/receive CMOS sublayer. The single chip supports both 10 Gigabit Ethernet operation and 10 Gigabit Fibre Channel operation. The single chip interfaces to a MAC, an optical PMD, and non-volatile memory. 1. A single-chip multi-sublayer PHY to support 10 Gigabit digital serial communications , said single-chip comprising:a Physical Media Dependent (PMD) transmit/receive Complementary Metal Oxide Semiconductor (CMOS) sublayer supporting at least 10 Gigabit Ethernet operation and10 Gigabit Fibre Channel operation, wherein said PMD transmit/receive CMOS sublayer comprises a PMD transmitter and a PMD receiver; anda 10 Gigabit Attachment Unit Interface (XAUI) transmit/receive CMOS sublayer supporting at least 10 Gigabit Ethernet operation and 10 Gigabit Fibre Channel operation, wherein said XAUI transmit/receive CMOS sublayer comprises a XAUI transmitter and a XAUI receiver,wherein said PMD transmitter and said XAUI transmitter are operable to switch between at least one internally generated reference clock and at least one externally generated reference clock to support the 10 Gigabit digital serial communications based upon an asynchronous mode or synchronous mode, wherein said single-chip operates in said synchronous mode using said at least one internally generated reference clock and said single-chip operates in said asynchronous mode using said at least one externally generated reference clock.2. The single-chip of claim 1 , wherein said PMD transmit/receive CMOS sublayer and said XAUI transmit/receive CMOS sublayer comprise 0.13 micron CMOS ...

METHOD AND APPARATUS FOR CALIBRATING A COMMUNICATION DEVICE

A system that incorporates teachings of the present disclosure may include, for example, a computer-readable storage medium having computer instructions to perform actual measurements of one or more performance parameters of a communication device according to a subset of tuning states of a tunable matching network operable in a communication device, determine estimated measurements of the one or more performance parameters of the communication device for a portion of the tuning states not included in the subset of tuning states according to the actual measurements, identify a data set for each of the one or more performance parameters from at least portions of the tuning states and the actual and estimated measurements, and determine from at least a portion of the date sets one or more tuning states that achieve at least one desirable performance characteristic of the communication device. Additional embodiments are disclosed. 1. A communication device , comprising:an antenna;a transceiver;a tunable matching network coupled with the antenna and the transceiver, the tunable matching network including at least one variable reactance element;a memory to store instructions; anda processor coupled to the memory, wherein execution of the instructions by the processor causes the processor to perform operations comprising:selecting a subset of tuning states for the tunable matching network;performing actual measurements of a plurality of performance parameters of the communication device according to the subset of tuning states;determining estimated measurements of the plurality of performance parameters for at least a portion of the tuning states not included in the subset of tuning states based on the actual measurements of the plurality of performance parameters;identifying data sets for the plurality of performance parameters from the subset of tuning states and the actual and estimated measurements; anddetermining from the data sets one or more tuning states of the ...

Media Processing Device, Media Processing System, and Control Method of a Media Processing Device

Overwriting information that was correctly written to an IC tag that can communicate wirelessly but is not the IC tag on the medium intended to be processed is prevented so that the wrong information is not stored in the IC tag. When writing write data including uniquely assigned tag ID information to an IC tag ends correctly, the system controller 35 of the media processing device 2 stores information indicating that writing the IC tag was completed. When writing write data to an IC tag, the system controller 35 reads the tag ID information and determines if information matching the read tag ID information is included in the stored tag ID information. If matching information is found, the system controller 35 prohibits writing to the IC tag.

TRANSCEIVER AND VOLTAGE CALIBRATION METHOD THEREOF

A transceiver and a voltage calibration method thereof are provided. The transceiver includes a transmitting circuit, a receiving circuit, and a processing circuit. The transmitting circuit generates a transmitting voltage. The receiving circuit, which is electrically connected to the transmitting circuit, receives a reference voltage and the transmitting voltage to generate a reference signal, and a measurement signal respectively. The processing circuit, which is electrically connected to the transmitting circuit and receiving circuit, calibrates the transmitting voltage according to the reference signal and the measurement signal. 1. A transceiver , comprising:a transmitting circuit, being configured to generate a transmitting voltage;a receiving circuit, being electrically connected to the transmitting circuit, and being configured to receive a reference voltage and the transmitting voltage respectively and generate a reference signal according to the reference voltage and a measurement signal according to the transmitting voltage; anda processing circuit, being electrically connected to the transmitting circuit and the receiving circuit, and being configured to calculate a calibration value according to the reference signal and the measurement signal and calibrate the transmitting voltage according to the calibration value.2. The transceiver of claim 1 , wherein the transmitting circuit comprises a variable current source claim 1 , the transmitting circuit generates the transmitting voltage according to the variable current source claim 1 , and the processing circuit adjusts the variable current source according to the calibration value so as to calibrate the transmitting voltage.3. The transceiver of claim 1 , further comprising a switch set electrically connected to the receiving circuit and the transmitting circuit claim 1 , wherein the receiving circuit respectively receives the reference voltage and the transmitting voltage via the switch set.4. The ...

Semiconductor Device

An object is to achieve low power consumption and a long lifetime of a semiconductor device having a wireless communication function. The object can be achieved in such a manner that a battery serving as a power supply source and a specific circuit are electrically connected to each other through a transistor in which a channel formation region is formed using an oxide semiconductor. The hydrogen concentration of the oxide semiconductor is lower than or equal to 5×10(atoms/cm). Therefore, leakage current of the transistor can be reduced. As a result, power consumption of the semiconductor device in a standby state can be reduced. Further, the semiconductor device can have a long lifetime. 1an antenna;a battery supplying power supply voltage;a demodulation circuit connected to the antenna;a power control circuit connected to the demodulation circuit; anda signal processing portion connected to the demodulation circuit, the power control circuit, and the battery,wherein the signal processing portion comprises a transistor, and{'sup': 19', '3, 'wherein a channel formation region of the transistor comprises an oxide semiconductor with a hydrogen concentration of lower than or equal to 5×10atoms/cm.'}. A semiconductor device comprising: This application is a continuation of U.S. application Ser. No. 12/947,313, filed Nov. 16, 2010, now allowed, which claims the benefit of a foreign priority application filed in Japan as Serial No. 2009-265594 on Nov. 20, 2009, both of which are incorporated by reference.The present invention relates to a semiconductor device, in particular, to a semiconductor device having a wireless communication function.Note that a semiconductor device in this specification refers to all electronic devices which can function by utilizing semiconductor characteristics, and electro-optical devices, semiconductor circuits, and electronic devices are all semiconductor devices.Semiconductor devices having wireless communication functions for transmitting ...

Display electronic tagging and setting management method thereof

A display electronic tagging and a setting management method thereof are provided. The display electronic tagging comprises a wireless RF module, a display, an encapsulant and a bar code. The wireless RF module is used for receiving a wireless RF signal. The display is electrically connected to the wireless RF module, and used for showing a price of a product. The encapsulant encapsulates the wireless RF module and the display, wherein the display is exposed form the encapsulant. The bar code is located at the encapsulant. A setting module pairs the bar code and the wireless RF module according to a barcode identification signal and a RF identification signal, such that the wireless RF module and the barcode together correspond to the same product.

Encoded information reading terminal configured to pre-process images

An encoded information reading (EIR) terminal can comprise a microprocessor, a memory, and an EIR device including a two-dimensional imager. The EIR device can be configured to output raw message data containing an encoded message and/or outputting a decoded message corresponding to an encoded message. The EIR terminal can be configured, responsive to acquiring an image containing decodable indicia, to pre-process the acquired image and transmit the pre-processed image to an external decoding computer for decoding the decodable indicia.

Display device having enhanced visibility and mobile terminal using the same

A display device having enhanced visibility and a mobile terminal including the same are provided. The display device includes a liquid crystal display panel for displaying a predetermined image by selectively transmitting incident light, a backlight unit for providing light for driving the liquid crystal display panel, a diffraction sheet disposed between the liquid crystal display panel and the backlight unit to diffract light from an external light source passing through the liquid crystal display panel and to reapply the light toward a front surface direction from a rear surface of the liquid crystal display panel.

Server system, method for executing server system, and external memory

A system includes an application server connected to a web server and a client terminal via a network, the terminal being connected to an external memory, the application server includes an interface for a provider of a service, a contents database, an attribute database, an ID receiving part for receiving the ID sent from the client terminal connected to the external memory, an authentication part, an attribute information reading part, a display contents generation part and a display contents sending part, the external memory is stored with a program for sending the read ID to the application server from the client terminal and displaying the received display contents on a screen of the client terminal.

LIGHT DEVICE AND POSITIONAL INFORMATION MANAGEMENT SYSTEM

A light device includes a substrate on which a light source is provided; and a positional information transmitter that is provided on a surface of the substrate on which the light source is provided and transmits predetermined positional information to a terminal device. 1. A light device comprising:a substrate on which a light source is provided; anda positional information transmitter that is provided on a surface of the substrate on which the light source is provided and transmits predetermined positional information to a terminal device.2. The light device as claimed in claim 1 , whereinthe positional information transmitter transmits the predetermined positional information using a communication system by which it is possible to carry out indoor positioning.3. The light device as claimed in claim 1 , whereinthe predetermined positional information includes at least one of latitude and longitude coordinates of the light device, information of a floor of a building on which the light device is placed, and information of the building in which the light device is placed.4. The light device as claimed in claim 1 , whereinthe positional information transmitter is an antenna formed on the substrate as an electrically-conductive pattern.5. The light device as claimed in claim 1 , further comprisinga wireless communication device that is provided on the surface on which the light source is provided, receives from the terminal device that has received the predetermined positional information, identification information of the terminal device and the predetermined positional information, and transmits the identification information and the predetermined positional information to a management server which manages the position of the terminal device.6. The light device as claimed in claim 5 , whereinthe wireless communication device is an antenna formed on the substrate as an electrically-conductive pattern.7. The light device as claimed in claim 1 , whereinthe positional ...

LIGHT DEVICE AND POSITIONAL INFORMATION MANAGEMENT SYSTEM

A light device includes a light emitting module in which a plurality of light sources are provided; caps that are provided at two ends of the light emitting module and are to be mounted in a lighting fixture; and a positional information transmission part that is provided between an outermost one of the plurality of light sources of the light emitting module and the corresponding cap and transmits predetermined positional information. 1. A light device comprising:a light emitting module in which a plurality of light sources are provided;caps that are provided at two ends of the light emitting module and are to be mounted in a lighting fixture; anda positional information transmission part that is provided between an outermost one of the plurality of light sources of the light emitting module and the corresponding cap and transmits predetermined positional information.2. The light device as claimed in claim 1 , wherein the positional information transmission part transmits the predetermined positional information using a communication system by which it is possible to carry out indoor positioning.3. The light device as claimed in claim 1 , wherein the predetermined positional information includes at least one of latitude and longitude coordinates of the light device claim 1 , information of a floor of a building on which the light device is placed claim 1 , and information of the building in which the light device is placed.4. The light device as claimed in claim 1 , further comprising a positional information transmission module that includes a transmission control part that controls transmission of the predetermined positional information carried out by the positional information transmission part claim 1 , whereinthe positional information transmission part is provided on the positional information transmission module.5. The light device as claimed in claim 1 , wherein a surface of the positional information transmission part is colored the same color as an ...

ELECTRONIC APPARATUS AND CONTROL METHOD FOR ELECTRONIC APPARATUS

According to one embodiment, an electronic apparatus includes a first and second section and a wireless communication module. The second section includes a display unit, is coupled to the first section, and is configured to move between a first position where the second section is configured to cover an input unit and a communication area in the first section, a second position where the second section is configured to cover at least a part of the input unit and to allow the communication area to be exposed, and a third position where the second section is configured to allow the input unit and the communication area to be exposed. 1. An electronic apparatus comprising:a first section comprising a first surface which comprises an input unit and a communication area;a wireless communication module in the first section configured to perform wireless communication with the outside of the communication area; anda second section comprising a display unit configured to display an image, coupled to the first section, and configured to move between a first position where the second section is configured to cover the input unit and the communication area, a second position where the second section is configured to cover at least a part of the input unit and to allow the communication area to be exposed, and a third position where the second section is configured to allow the input unit and the communication area to be exposed.2. The electronic apparatus of claim 1 , wherein the display unit comprises a touchpanel claim 1 , and the second section comprises a second surface which comprises the display unit claim 1 , and a third surface located opposite the second surface and configured to face the first surface of the first section when in the first position.3. The electronic apparatus of claim 2 , wherein the first surface comprises a palmrest which comprises the communication area claim 2 , and the input unit comprises a keyboard.4. The electronic apparatus of claim 3 , ...

ULTRA-LOW-POWER RADIO FOR SHORT-RANGE COMMUNICATION

A wake-up function is provided for a low power radio. The radio includes: an antenna, a rectifier, and a comparator. The rectifier is configured to receive an RF signal from the antenna and generates an output having a magnitude that decreases in the presence of the RF signal. The comparator compares the output from the rectifier to a reference signal and outputs an activation signal for another radio component. In response the activation signal, the radio component will transition from a low power consumption mode to a higher power consumption mode. In this way, the rectifier and comparator cooperatively operate to perform a wake-up function in the presence of an RF signal. 1. A low power radio , comprising:an antenna configured to receive an RF signal;a rectifier configured to receive the RF signal from the antenna and operates to generate an active output signal having a magnitude that decreases in the presence of an RF signal;a comparator configured to receive the active output signal and a bias signal and operates to compare the active output signal to the bias signal, where the comparator outputs an activate signal having a high value when the active output signal is less than the bias signal and a low value when the active output signal is greater than the bias signal;a radio component configured to receive the activate signal from the comparator while operating in a low power consumption mode, the radio component transitions from a low power consumption mode to a high power consumption mode in response to receiving the activate signal with a high value.2. The low power radio of wherein the rectifier includesan active circuit including a first active field effect transistor, the active circuit configured to receive the RF signal and operates, in presence of an RF signal, to decrease voltage at a drain terminal of the first active field effect transistor;a replica bias circuit, including a first bias field effect transistor, that operates to output a constant ...

DRIVER CIRCUIT, RECEIVER CIRCUIT, AND METHOD OF CONTROLLING A COMMUNICATIONS SYSTEM INCLUDING THE CIRCUITS

In a communications system for differential signals, a driver circuit is connected to a receiver circuit by a pair of differential signal lines. When data is not being transmitted, the differential signal lines are maintained at a predetermined electric potential, and when data is to be transferred, a differential signal is output at predetermined electric potentials. The receiver circuit switches between a power-down state and a normal state when detecting states of the electric potentials of the differential signal lines. 112-. (canceled)13. A receiver circuit connected to differential signal lines , comprising:a differential receiver configured to receive a differential signal transmitted on the differential signal lines, the differential signal being coded with a predetermined transmission coding scheme;a detection circuit configured to detect a first fixed differential signal, the first fixed differential signal being maintenance of the differential signal lines at respectively different electric potentials for a period of time longer than a maximum period of time during which the differential signal lines have respectively fixed electric potentials according to the transmission coding scheme; anda detection circuit control unit configured to set the detection circuit to a disable state when the detection circuit detects the first fixed differential signal.14. The receiver circuit of claim 13 , whereinthe differential receiver is further configured to receive a second fixed differential signal, the second fixed differential signal being maintenance of the differential signal lines at respectively different electric potentials for a period of time longer than the maximum period of time, andthe detection circuit control unit is further configured to set the detection circuit to an enable state when the differential receiver receives the second fixed differential signal.15. The receiver circuit of claim 14 , whereinthe second fixed differential signal is different ...

Method and apparatus for antenna parameter notification

A method and apparatus for antenna parameter notification is provided. At a device comprising at least one processor, an antenna, and a display, a parameter associated with performance of the antenna is determined at the processor. When the parameter meets a given criteria then the processor changes a brightness of the display

Software configurable distributed antenna system and method for bandwidth compression and transport of signals in noncontiguous frequency blocks

A method for transporting communications signals includes receiving an analog IF signal at a first unit. The analog IF signal includes a first carrier having a first frequency and a first bandwidth and a second carrier having a second frequency different from the first frequency and a second bandwidth. The analog IF signal is converted to a digitally sampled IF signal having the first carrier located in a first Nyquist zone, the second carrier located in a second Nyquist zone, an image of the first carrier located in a third Nyquist zone, and an image of the second carrier located in the third Nyquist zone. The image of the first carrier and the image of the second carrier is transmitted from the first unit to a second unit, where the image of the first carrier and the image of the second carrier is then converted to the analog IF signal.

Mobile Terminal

The present invention discloses a mobile terminal comprising: a color changing layer provided on a surface of a shell of the mobile terminal, the color changing layer showing different colors at different temperatures; and a temperature control module positioned inside the mobile terminal, the temperature control module being connected to the color changing layer to supply heat for the color changing layer. The mobile terminal in accordance with the present invention can change color and odor according to requirements of users of different mobile terminals and environmental changes, thus it has very distinct personalization and is easy to operate.

RADIO MODULE, RADIO ASSEMBLY AND CORRESPONDING METHOD

A radio module is disclosed that includes a baseband device, a layer device, and a multi radio antenna. The baseband device is arranged to perform digital modulation and/or demodulation. The baseband device provides a data connection available to a digital system using the radio module for radio communication. The multi radio antenna includes an analogue radio device arranged to perform analogue signal processing, and an antenna array connected to the analogue radio device. The layer device is arranged to map each baseband device to one or more of the at least one multi radio antennas, and the radio module is connectable to a second equivalent radio module. A corresponding radio assembly and method are also disclosed. 1. A radio module comprising:a baseband device arranged to perform digital modulation and/or demodulation, wherein the baseband device provides a data connection available to a digital system using the radio module for radio communication;a layer device; andat least one multi radio antenna comprising: an analogue radio device arranged to perform analogue signal processing; and an antenna array connected to the analogue radio device;wherein the layer device is arranged to map each baseband device to one or more of the at least one multi radio antennas, and the radio module is connectable to a second equivalent radio module.2. The radio module according to claim 1 , wherein each one of the at least one multi radio antenna further comprisesa digital radio device arranged to perform digital signal processing, the digital radio device being connected to the baseband device and the analogue radio device.3. The radio module according to claim 1 , wherein the baseband device is connectable to an equivalent baseband device of the second equivalent radio module.4. The radio module according to claim 1 , wherein the baseband device is configurable to operate in one of two modes of a controlling master mode and controlled slave mode claim 1 , for operation with ...

HIGH-FREQUENCY COMMUNICATION DEVICE

A high-frequency communication device includes a transmitting and receiving circuit board on which a transmitting and receiving circuit that processes a quasi-millimeter-wave and millimeter-wave signal is mounted, and a shield case attached to cover the transmitting and receiving circuit on the transmitting and receiving circuit board. Protrusions and a radio wave absorption sheet are disposed on an inner surface of the shield case opposing the transmitting and receiving circuit board, the protrusions being regularly arranged. The radio wave absorption sheet is disposed in at least one area of the shield case opposing an active component of the transmitting and receiving circuit, the protrusions being disposed in at least one area of the shield case that opposes one of a passive component and a circuit pattern section of the transmitting and receiving circuit. A thickness of the radio wave absorption sheet is smaller than a height of the protrusion. 1. A high-frequency communication device comprising:a transmitting and receiving circuit board on which a transmitting and receiving circuit that processes a quasi-millimeter-wave or millimeter-wave signal is mounted; anda shield case attached to cover the transmitting and receiving circuit on the transmitting and receiving circuit board,protrusions and a radio wave absorption sheet being disposed on an inner surface of the shield case opposing the transmitting and receiving circuit board, the protrusions being periodically arranged,the radio wave absorption sheet being disposed in at least one area of the shield case opposing an active component of the transmitting and receiving circuit, the protrusions being disposed in at least one area of the shield case that opposes at least one of a passive component and a circuit pattern section of the transmitting and receiving circuit,a thickness of the radio wave absorption sheet being smaller than a height of the protrusion.2. A high-frequency communication device comprising: ...

Light and rf transparent enclosure for use with asset tracking device

An electromagnetic (RF) and light transparent enclosure having a perforated metallic wall. The enclosure is particularly adapted for an RF wireless tracking system, as a housing for the transmitter device or for a cargo container in or on which the transmitter device is positioned. The enclosure is optically transparent to ensure any photovoltaic device of the transmitter device receives sufficient photons or other energy to power the transmitter device. The RF transparent enclosure attenuates less transmitted and/or received signal at specific frequency bands.

Semiconductor device, manufacturing method of the same, and mobile phone

A technique capable of maintaining the filter characteristics of a transmitting filter and a receiving filter by reducing the influences of heat from the power amplifier given to the transmitting filter and the receiving filter as small as possible in the case where the transmitting filter and the receiving filter are formed on the same semiconductor substrate together with the power amplifier in a mobile communication equipment typified by a mobile phone is provided. A high heat conductivity film HCF is provided on a passivation film PAS over the entire area of a semiconductor substrate 1 S including an area AR 1 on which an LDMOSFET is formed and an area AR 2 on which a thin-film piezoelectric bulk wave resonator BAW is formed. The heat mainly generated in the LDMOSFET is efficiently dissipated in all directions by the high heat conductivity film HCF formed on the surface of the semiconductor substrate 1 S.

TRANSCEIVER FILTER AND TUNING

A radio transceiver including a transmitter and a receiver. A filter coupled to an output of the transmitter, the filter has one or more inductors and one or more capacitors, where the filter is tuned by varying one or more capacitance values of the one or more capacitors in the filter to tune the filter. The one or more capacitors are Barium Strontium Titanate (BST) ceramic integrated capacitors that are each tuned by application of a bias voltage thereto. A filter tuner circuit is configured to apply the bias voltage to the one or more capacitors, where the bias voltage is initially established as a stored initial value, and where the bias voltage is refined by a proportional-integral-derivative (PID) controller configured to optimize a power within the transceiver. This abstract is not to be considered limiting since various implementations may incorporate more, fewer or different elements. 1. A radio transceiver , comprising:a transmitter and a receiver;a filter coupled to an output of the transmitter, the filter comprised of one or more integrated capacitors, where the filter is tuned by varying one or more capacitance values of the one or more integrated capacitors in the filter to tune the filter, at least one of the one or more integrated capacitors comprise Barium Strontium Titanate (BST) ceramic integrated capacitors that are each tuneable by application of a bias voltage thereto;a filter tuner circuit that is configured to apply the bias voltage to the one or more integrated capacitors, where the bias voltage is initially established as a stored initial value; anda proportional-integral-derivative (PID) controller configured to refine the bias voltage to optimize a power within the transceiver.2. The radio transceiver according to claim 1 , where the filter comprises a notch filter coupled between a transmitter output and a receiver input of the transceiver that blocks transmitter power from entering the receiver.3. The radio transceiver according to ...

Battery power saving method and apparatus for a mobile device

A method and apparatus for reducing battery power consumption are provided when a mobile device executes a navigation application. To this end, the apparatus calculates and compares a usable time on a battery and an estimate time for arrival at a selected destination during a navigation mode, then if the usable time is less than the estimated time for arrival, the apparatus performs at least one power saving mode to conserve battery life.

LO GENERATION AND DISTRIBUTION IN A MULTI-BAND TRANSCEIVER

A VCO of a PLL outputs a first differential signal of frequency FVCO. A first divide-by-two circuit local to the VCO divides the first differential signal and outputs a first quadrature signal of frequency FVCO/2. Two of the component signals of the first quadrature signal are routed to a second divide-by-two circuit local to a first mixer of a first device. The second divide-by-two circuit outputs a second quadrature signal of frequency FVCO/4 to the first mixer. All four signals of the first quadrature signal of frequency FVCO/2 are routed through phase mismatch correction circuitry to a second mixer of a second device. In one example, FVCO is a tunable frequency of about ten gigahertz, the first device is an IEEE802.11b/g transmitter or receiver that transmits or receives in a first band, and the second device is an IEEE 802.11a transmitter or receiver that transmits or receives in a second band. 1. An apparatus comprising:a Voltage Controlled Oscillator (VCO) that outputs a differential VCO output signal of frequency FVCO;a first divide-by-two circuit coupled to receive the differential VCO output signal and to output a quadrature signal of frequency FVCO/2, wherein the quadrature signal comprises four component signals each having a frequency of FVCO/2;a first direct conversion device including a first mixer; anda second divide-by-two circuit coupled to receive two of the four component signals of the quadrature signal of frequency FVCO/2, and wherein the second divide-by-two circuit is coupled to supply a quadrature signal of frequency FVCO/4 to the first mixer.2. The apparatus of claim 1 , wherein the first direct conversion device is located more than one hundred microns away from the first divide by two circuit.3. The apparatus of claim 1 , wherein the first divide-by-two circuit is located less than fifty microns away from the first direct conversion device.4. The apparatus of claim 1 , further comprising:a second device including a second mixer.5. The ...

Rfid reader, rfid tag and rfid system

An RFID reader for communication with an RFID tag includes an RF unit configured to communicate with the RFID tag according to an operating period of the RFID reader. The operating period includes a first period in which the RF unit communicates with the RFID tag, and the operating period includes a second period in which the RF unit does not communicate with the RFID tag. The RFID reader includes a microcontroller unit configured to control a quality factor of the RF unit according to a change in the operating period. The RFID reader includes a power supply configured to supply power to the RF unit and the microcontroller unit.

HIGH-FREQUENCY FRONT-END CIRCUIT

A high-frequency front-end circuit includes a first variable filter and a second variable filter. One end of each of the variable filters is connected to a common terminal. The other end of the first variable filter is connected to a transmission individual terminal and the other end of the second variable filter is connected to a reception individual terminal. At the time of transmission of a transmission signal, the impedance of the second variable filter is adjusted such that the impedance seen on the second variable filter side from a connection point between the variable filters is open. At the time of transmission of a reception signal, the impedance of the first variable filter is adjusted such that the impedance seen on the first variable filter side from a connection point between the variable filters is open. 1. (canceled)2. A high-frequency front-end circuit , comprising:first and second variable filters each including an adjustable transmission characteristic and an adjustable impedance characteristic;a common terminal to which the first variable filter and the second variable filter are connected;a first individual terminal that is connected to a side of the first variable filter opposite to a side to which the common terminal is connected; anda second individual terminal that is connected to a side of the second variable filter opposite to the side to which the common terminal is connected; whereinat a time when a first high-frequency signal with a first frequency band is to be transmitted, a pass band of the first variable filter is adjusted to the first frequency band and an impedance of the second variable filter is adjusted such that the impedance of the second variable filter in the first frequency band seen from the common terminal side is open; andat a time when a second high-frequency signal with a second frequency band is to be transmitted, a pass band of the second variable filter is adjusted to the second frequency band and an impedance of ...

Radio remote unit device and assembly thereof

Embodiments of the present invention relate to an RRU device and an assembly thereof. The RRU device includes: an enclosure, where the enclosure includes a front-end plate and a back-end plate that are respectively set on two lengthwise ends of the enclosure, multiple parallel spaced heat sinks are set on two widthwise sides of the enclosure and between the front-end plate and the back-end plate, and the front-end plate and the back-end plate extend along a widthwise direction of the enclosure by a length which is greater than a length by which the heat sinks extend; and a joint part set on the enclosure, where the joint part is used to fasten two side-by-side radio remote unit devices together.

Electromagnetic field transmitting and receiving antennae arrangement

A method for minimizing an interfering current induced in an antenna receiving an electromagnetic field, where the field is generated by a transmitting antenna located near the receiving antenna. The receiving antenna is arranged relative to the transmitting antenna such that the induced current is at least partially cancelled out in the receiving antenna. The invention also relates to an antenna arrangement and to a device comprising the same.

METHOD AND DEVICE FOR SENDING SIGNALS BETWEEN A RADIO FREQUENCY CIRCUIT AND A BASEBAND CIRCUIT

A method, device and computer program product is provided for sending a data signal and a clock signal between a radio frequency circuit of a device and a baseband circuit of the device, the radio frequency circuit being configured for at least one of transmission and reception of radio signals in a radio frequency band, where the clock signal has a clock frequency F. The method comprises selecting the clock frequency Fto be a rational multiple of the 0.270833 MHz symbol rate of the Global System for Mobile Communications (GSM) standard and a rational multiple of the 3.84 MHz chipping rate of the Wideband Code Division Multiple Access (WCDMA) interface. The clock frequency Fis selected such that the clock signal can be generated using a 38.4 MHz or 19.2 MHz reference clock signal, a non-fractional Phase Locked Loop clock multiplier and an output divider, without first having to divide down the reference clock signal. The data signal and the clock signal can then be sent between the radio frequency circuit and the baseband circuit using the selected clock frequency F. 115-. (canceled)16. A method of sending a data signal and a clock signal between a radio frequency circuit of a device and a baseband circuit of the device , the radio frequency circuit being configured for at least one of transmission and reception of radio signals in a radio frequency band , the clock signal having a clock frequency F , the method comprising:{'sub': C', 'C, 'selecting the clock frequency Fto be a rational multiple of the 0.270833 MHz symbol rate of the Global System for Mobile Communications (GSM) standard and a rational multiple of the 3.84 MHz chipping rate of the Wideband Code Division Multiple Access (WCDMA) interface, wherein the clock frequency Fis selected such that the clock signal can be generated using a 38.4 MHz or 19.2 MHz reference clock signal, a non-fractional Phase Locked Loop clock multiplier and an output divider, without first having to divide down the reference ...

HIGH-FREQUENCY CIRCUIT MODULE

Provided is a high-frequency module that can prevent a transmission signal from reaching a reception circuit and that can achieve high mounting density. A first duplexer for a first frequency band is mounted on a circuit substrate, and a second transmission filter and a second reception filter that constitute a second duplexer for a second frequency band are embedded in the circuit substrate. The second transmission filter and the second reception filter are embedded in the circuit substrate in locations that overlap at least a part of a projection region that is formed by projecting the first duplexer in a thickness direction of the circuit substrate. The first frequency band and the second frequency band are separated from each other by at least a prescribed frequency range. 1. A high-frequency circuit module , comprising:a circuit substrate that is provided with a transmission circuit and a reception circuit for a high-frequency signal;a first transmission filter performs filtering in a first frequency band on a signal outputted from the transmission circuit; anda second reception filter performs filtering in a second frequency band on a signal inputted into the reception circuit,wherein the first frequency band and the second frequency band are separated from each other by at least a prescribed frequency range therebetween, with one of the first frequency band and the second frequency band being at least 1 GHz and another thereof being less than 1 GHz,wherein the first transmission filter is mounted on the circuit substrate,wherein the second reception filter is embedded in the circuit substrate, andwherein the second reception filter is an acoustic wave filter.2. The high-frequency circuit module according to claim 1 , wherein the circuit substrate includes a ground conductive layer formed between the first transmission filter and the second reception filter.3. The high-frequency circuit module according to claim 1 , further comprising a first reception filter ...

Mobile wireless communications device with reduced interfering energy from the display and related methods

A mobile wireless communications device includes a housing and circuit board carried by the housing and includes radio frequency (RF) circuitry and a processor carried by the circuit board and operative with each other. A display connector for an LCD connector is mounted on the circuit board and adapted to be connected to a display. Display connection lines are carried by the circuit board and interconnect the display connector and processor for carrying signals from the processor to the display connector and a connected display. Filters are carried by the circuit board and connected to the display connection lines and reduce any interfering energy from the processor and display.

DATA COMMUNICATION DEVICE THAT CARRIES OUT SERIAL COMMUNICATION IN ORDER TO CONTROL MOTOR

A data reception unit carries out reception of data, which consists of a combination of switching noise resistant states and switching noise nonresistant states, over a fixed serial communication time a plurality of times for each fixed serial communication period same as the one or a plurality of the switching periods. A serial communication time setting unit sets the serial communication time different from one or a plurality of the switching periods, based on the switching period, the serial communication period, and the communication speed of the data communication device, so that the starts of all of the switching periods within the serial communication time are consistent with the time of reception of the switching noise resistant state at the time of at least one of the reception of the data among a plurality of times of the reception of the data. 1. A data communication device that carries out serial communication in order to control a motor , which is connected via an inverter to a DC link part connected to an alternating-current power source via a converter , by carrying out switching of a switching element included in either the converter or the inverter for each fixed switching period , from the time when the preparation of driving the motor is completed to the time when the motor is stopped , comprising:a data transmission unit configured to carry out transmission of first data, which consists of a combination of a first number of switching noise resistant states and a second number of switching noise nonresistant states, over a fixed serial communication time at least once for each fixed serial communication period same as the one or a plurality of the switching periods;a data reception unit configured to carry out reception of second data, which consists of a combination of a third number of switching noise resistant states and a fourth number of switching noise nonresistant states, over the fixed serial communication time a plurality of times for ...

Agile Diverse Polarization Multi-Frequency Band Antenna Feed With Rotatable Integrated Distributed Transceivers

A compact, agile polarization diversity, multiple frequency band antenna with integrated electronics for terrestrial terminal use in satellite communications systems is disclosed. The antenna includes an antenna feed having highly integrated microwave electronics that are mechanically and electromagnetically coupled thereto in a distributed arrangement so that diverse polarization senses having a low axial ratio and electronic switching control of the polarization senses is provided. The arrangement of the integrated distributed transceiver configuration enables the mechanical rotation of the orientation of a first transceiver for skew alignment while a second transceiver remains stationary relative to the antenna feed assembly. The first transceiver can be a high-band transmitter and receiver pair that supports linear polarization senses and the second transceiver can be a low-band transmitter and receiver pair that supports circular polarization senses. The antenna system presented is highly compact and offers improved polarization performance previously achievable by only larger devices. 1. An antenna assembly , comprising:an antenna feed assembly; andfirst and second transceivers mechanically and electromagnetically coupled to respective receive and transmit ports of the antenna feed assembly, the antenna feed assembly being arranged to rotate mechanically an orientation of the first transceiver relative to the second transceiver.2. The antenna assembly of claim 1 , wherein the first and second transceivers operate over first and second radio frequency (RF) bands claim 1 , respectively.3. The antenna assembly of claim 2 , wherein the first RF band includes a range of substantially Ku-band frequencies and wherein the second RF band includes a range of substantially C-band frequencies.4. The antenna assembly of claim 2 , further comprising a dielectric rod configured to facilitate propagation of electromagnetic energy having a frequency within the first RF band ...

IMPEDANCE CONVERSION CIRCUIT AND COMMUNICATION TERMINAL APPARATUS

In an impedance conversion circuit, since, in a low band, an absolute value of impedance of a primary side coil is smaller than an absolute value of impedance of a capacitor, a high-frequency signal in a low band propagates through a transformer. Thus, impedance matching of a high-frequency signal in a low band is performed by the transformer. Since, in a high band, the absolute value of the impedance of the capacitor is smaller than the absolute value of the impedance of the primary side coil, a high-frequency signal in a high band propagates through the capacitor. Thus, impedance matching of a high-frequency signal in a high band is performed in the capacitor. Accordingly, impedance matching between a high frequency circuit and an antenna element is performed in a wide frequency band. 1. (canceled)2. An impedance conversion circuit for use in an antenna device that transmits and receives a high-frequency signal in a frequency band including a first frequency band and a second frequency band of which a frequency band is higher than the first frequency band , the impedance conversion circuit comprising:a transformer that includes a primary side coil and a secondary side coil and is connected between a feeding port and an antenna port; anda first capacitor that is connected between the feeding port and the antenna port; whereinan absolute value of impedance of the first capacitor in the first frequency band is larger than an absolute value of impedance of the primary side coil; andan absolute value of impedance of the first capacitor in the second frequency band is smaller than the absolute value of the impedance of the primary side coil.3. The impedance conversion circuit according to claim 2 , wherein:the primary side coil includes a first end connected to the feeding port;the primary side coil includes a second end connected to ground;the secondary side coil includes a first end connected to the antenna port;the secondary side coil includes a second end connected ...

TRANSCEIVER WITH SUPER-HETERODYNE AND ZERO INTERMEDIATE FREQUENCY (ZIF) TOPOLOGIES

Transceivers implemented with a combination of super-heterodyne and zero intermediate frequency (ZIF) topologies are disclosed. In an exemplary design, an apparatus includes a frequency conversion circuit and a local oscillator (LO) generator. The LO generator generates a first LO signal and a second LO signal. The frequency conversion circuit performs frequency conversion (i) between intermediate frequency (IF) and baseband, based on the first LO signal, for an IF signal and (ii) between radio frequency (RF) and baseband, based on the second LO signal, for an RF signal. The frequency conversion circuit may perform frequency downconversion (i) from IF to baseband for a super-heterodyne receiver and (ii) from RF to baseband for a ZIF receiver. Alternatively or additionally, the frequency conversion circuit may perform frequency upconversion (i) from baseband to IF for a super-heterodyne transmitter and (ii) from baseband to RF for a ZIF transmitter. 1. An apparatus comprising:a local oscillator (LO) generator configured to generate a first LO signal and a second LO signal; anda frequency conversion circuit configured to perform frequency conversion between intermediate frequency (IF) and baseband, based on the first LO signal, for an IF signal associated with a first baseband signal and to perform frequency conversion between radio frequency (RF) and baseband, based on the second LO signal, for an RF signal associated with a second baseband signal.2. The apparatus of claim 1 , the frequency conversion circuit configured to downconvert the IF signal from IF to baseband to generate the first baseband signal and to downconvert the RF signal from RF to baseband to generate the second baseband signal.3. The apparatus of claim 1 , the frequency conversion circuit comprising:at least one first mixer configured to downconvert the IF signal with the first LO signal; andat least one second mixer configured to downconvert the RF signal with the second LO signal.4. The apparatus ...

Distributed Antenna System Signal Measurement

Disclosed is a method for discriminating among transmitted signals broadcast in a distributed antenna system comprising: verifying that the base transceiver station is operating; determining the number of remote radio units in communication with a head end unit; imposing a plurality of different time delays for a corresponding number of binary data stream transmissions from the head end unit to a pre-determined number of remote radio units; and discriminating among the binary data stream transmissions using an evaluation receiver. 1. A method of discriminating among transmitted signals broadcast via a plurality of remote radio units in communication with a distributed antenna system base transceiver station , said method comprising the steps of:verifying that the base transceiver station is providing a base transceiver station signal to a head end unit in the distributed antenna system;determining the number of remote radio units in communication with said head end unit;imposing, for a pre-determined number of said remote radio units in communication with said head end unit, a plurality of different time delays for a corresponding number of binary data stream transmissions from said head end unit to said respective pre-determined number of remote radio units; anddiscriminating, using an evaluation receiver, among said binary data stream transmissions so as to correlate a particular binary data stream received at said evaluation receiver with the remote radio unit transmitting said particular binary data stream.2. The method of wherein said step of imposing a plurality of different time delays comprises the step of imposing a different integral multiple number of time delays to subsequent said binary data stream transmissions.3. The method of further comprising the step of measuring signal parameters for said particular binary data stream with said evaluation receiver.4. The method of wherein said step of imposing a plurality of different time delays for a ...

WIRESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD THEREOF

The embodiment provides a wireless communication apparatus and a wireless communication method thereof. The wireless communication apparatus includes an antenna for receiving or transmitting a signal; a receiving unit for demodulating the reception signal received through the antenna; a transmitting unit for generating the transmission signal to be transmitted through the antenna; and a control unit for determining a strength of the reception signal received through the antenna in order to set a strength of the transmission signal based on the strength of the reception signal. 1. A wireless communication apparatus comprising:an antenna for receiving a reception signal transmitted from an outside and for transmitting the transmission signal to the outside;a receiving unit for demodulating the reception signal received through the antenna;a transmitting unit for generating the transmission signal to be transmitted through the antenna; anda control unit for determining a strength of the reception signal received through the antenna in order to set a strength of the transmission signal based on the strength of the reception signal.2. The wireless communication apparatus of claim 1 , wherein the control unit determines the strength of the reception signal by using an AGC voltage output through the receiving unit.3. The wireless communication apparatus of claim 2 , further comprising;an analog-to-digital converting unit for receiving the AGC voltage output through the receiving unit, converting the received AGC voltage into a digital signal, and transferring the digital signal to the control unit.4. The wireless communication apparatus of claim 1 , wherein the control unit sets the strength of the transmitting unit inversely proportional to the strength of the receiving signal.5. The wireless communication apparatus of claim 1 , wherein the transmitting unit further includes a power amplifier for amplifying the transmission signal based on the transmitting strength set ...

Radio Circuits and Components Thereof Including Temperature Responsive Liquid MEMS

A radio circuit includes an adjustable RF front-end module on an IC die, a liquid MEMS component on a board, and a processing module on the IC die. The adjustable RF front-end module adjusts processing of an inbound or an outbound RF signal based on a compensation control signal. The liquid MEMS component changes an operational characteristic as temperature of the radio circuit varies. The processing module generates the compensation signal based on the changing of the operational characteristic of the liquid MEMS component. The liquid MEMS component includes a channel within the board, a liquid droplet contained within the channel, and one or more conductive elements proximal to the channel. 1. A radio circuit comprises:an adjustable radio frequency (RF) front-end module on an integrated circuit (IC) die, wherein the adjustable RF front-end module adjusts processing of an inbound or an outbound RF signal based on a compensation signal; a channel within the board;', 'a liquid droplet contained within the channel; and', 'one or more conductive elements proximal to the channel, wherein, when temperature of the radio circuit varies, the liquid droplet changes with respect to the one or more conductive elements thereby changing an operational characteristic of the liquid MEMS component; and, 'a liquid micro-electro-mechanical system (MEMS) component on a board, wherein the liquid MEMS component includesa processing module on the IC die, wherein the processing module is operable to generate the compensation signal based on the changing of the operational characteristic of the liquid MEMS component.2. The radio circuit of claim 1 , wherein the adjustable RF front-end module comprises:one or more power amplifiers;one or more receive-transmit isolation modules;one or more antenna tuning units; and adjusting an operational property of the one or more power amplifiers;', 'changing from a first channel to a second channel within a frequency band; and', 'changing from a first ...

IN-VEHICLE COMMUNICATION SYSTEM AND METHOD OF OPERATION

An in-vehicle communication system configured to receive signals from a transmitter configured to transmit periodically a time-reference signal and receiver specific information. An information transmission time of receiver specific information is timed relative to a reference transmission time of the time-reference signal. The system includes a receiver characterized as having a receiver identification value. The receiver is configured to operate from an off-state to an on-state during an information-expected time interval to receive receiver specific information. The information-expected time interval is determined based on a reception time of the time-reference signal and the receiver identification value. This provides a way to ensure that the transmitter only transmits messages when it knows the intended receiver is on. It also ensures that the receiver is on only when messages that for that receiver are expected to be received. 1. An in-vehicle communication system configured to receive signals from a transmitter configured to transmit periodically a time-reference signal and receiver specific information , wherein an information transmission time of receiver specific information is timed relative to a reference transmission time of the time-reference signal , said system comprising:a receiver characterized as having a receiver identification value, said receiver configured to operate from an off-state to an on-state during an information-expected time interval to receive receiver specific information, wherein the information-expected time interval is determined based on a reception time of the time-reference signal and the receiver identification value, wherein the receiver is configured to operate during a synchronization time interval to receive the time-reference signal, and operate during the information-expected time interval to receive receiver-specific information, wherein the receiver is configured to operate repeatedly only during the information- ...

NON-BLOCKING POWER MANAGEMENT FOR ON-PACKAGE INPUT/OUTPUT ARCHITECTURES

An on-package interface. A first set of single-ended transmitter circuits on a first die. The transmitter circuits are impedance matched and have no equalization. A first set of single-ended receiver circuits on a second die. The receiver circuits have no termination and no equalization. A plurality of conductive lines couple the first set of transmitter circuits and the first set of receiver circuits. The lengths of the plurality of conductive lines are matched. 1. An apparatus comprising:a first set of single-ended transmitter circuits on a first die, wherein the full first set of single-ended transmitter circuits is utilized to transmit data during a first operational state and a subset of the first set of single-ended transmitter circuits is utilized to transmit data during a second operational state;a first set of single-ended receiver circuits on a second die; anda plurality of conductive lines between the first set of transmitter circuits and the first set of receiver circuits, wherein the lengths of the plurality of conductive lines are matched.2. The apparatus of wherein the subset comprises half of the full set.3. The apparatus of wherein the subset comprises one quarter of the full set.4. The apparatus of claim 1 , wherein the first set of single-ended transmitter circuits are impedance matched and have no equalization and claim 1 , wherein the first set of single-ended receiver circuits have no termination and no equalization.5. The apparatus of further comprising:a second set of single-ended receiver circuits on the first die, wherein the receiver circuits have no termination and no equalization;a second set of single-ended transmitter circuits on the second die, wherein the transmitter circuits are impedance matched and have no equalization; anda plurality of conductive lines between the second set of transmitter circuits and the second set of receiver circuits, wherein the lengths of the plurality of conductive lines are matched.6. The apparatus of ...

MIXER WITH CALIBRATION CIRCUIT AND CALIBRATION METHOD THEREOF

A mixer with calibration circuit includes a first gm stage unit, a second gm stage unit, a first detecting unit, a second detecting unit, a comparison block, a control unit and a compensator. The first detecting unit and the second detecting unit are respectively connected to different gm stage unit, and the comparison block compares voltage signals of the first detecting unit and the second detecting unit. The control unit adjusts a current signal of the comparison block according to the comparative result of voltage signals of the first detecting unit and the second detecting unit. Further, the compensator adjusts the first gm stage unit and the second gm stage unit according to the current signal. Thereafter, the improvement of the LO leakage of the mixer can be achieved. 1. A mixer with calibration circuit , comprising:a gm stage block comprising a first gm stage unit and a second gm stage unit;a detector comprising a first detecting unit adapted to connect to said first gm stage unit or said second gm stage unit, and a second detecting unit adapted to connect to said first gm stage unit or said second gm stage unit, wherein said first detecting unit and said second detecting unit are respectively connected to different gm stage unit;a comparison block connected to said detector and said gm stage block adapted to compare voltage signals of said first detecting unit and said second detecting unit;a control unit connected to said comparison block adapted to adjust a current signal of said comparison block according to the comparative result of voltage signals of said first detecting unit and said second detecting unit, and generate a compensation signal according to said current signal; anda compensator connected with said control unit, said first gm stage unit and said second gm stage unit adapted to adjust said first gm stage unit and said second gm stage unit according to said compensation signal.2. The mixer as claimed in claim 1 , further comprising a first ...

MOBILE COMMUNICATION TERMINAL

The present disclosure discloses a mobile communication terminal comprising: a first antenna, being configured to receive a radio frequency (RF) signal from the outside; a wireless transceiver, being configured to obtain the RF signal and amplifies a down-converted signal in the RF signal into a baseband signal; a baseband processor, being configured to obtain the baseband signal from the wireless transceiver and demodulate the baseband signal to generate a to-be-transmitted signal; the wireless transceiver is further configured to convert the to-be-transmitted signal into an RF signal and output the RF signal from the signal transmitting port; and a second antenna, being configured to obtain the to-be-transmitted RF signal and transmit the to-be-transmitted RF signal. With the above technical solution, the present disclosure solves the problem of insertion loss caused by using a duplexer, thereby lowering the noise level in the transmitting path within the receiving frequency band. 1. A mobile communication terminal , comprising:a first antenna, being configured to receive a radio frequency (RF) signal from the outside;a receiving acoustic surface wave filter, being configured to perform receiving acoustic surface wave filtering on the RF signal received by the first antenna;a wireless transceiver comprising a signal receiving port and a signal transmitting port, being configured to obtain the RF signal, on which the receiving acoustic surface wave filtering has been performed, from the receiving acoustic surface wave filter via the signal receiving port and amplifies a down-converted signal in the RF signal into a baseband signal;a baseband processor, being configured to obtain the baseband signal from the wireless transceiver and demodulate the baseband signal to generate a to-be-transmitted signal for transmission to the wireless transceiver;the wireless transceiver is further configured to convert the to-be-transmitted signal into an RF signal and output the RF ...

METHODS AND ARRANGEMENTS FOR LOW POWER ACTIVE RADIO RECEPTION

Embodiments may comprise radio data system logic to enter a sleep mode and wake periodically to receive a data packet. In several embodiments, the data packet is a Radio Data System (RDS) packet and the radio data system logic is RDS logic. Further embodiments may comprise radio data system logic to process the data packet to determine a first type field and to parse the first type field to identify a first indication. In several embodiments, parsing the data packet by the radio data system logic comprises parsing the data packet to determine a program type field and parsing the program type field to identify the first indication as an emergency alert indication. In response to identifying the first indication as a trigger, many embodiments wake up NRSC-5 compliant, In-band on-channel (IBOC) radio logic to process an Active Radio message to output information associated with the first indication. 1. A method comprising:receiving, by radio data system logic, a data packet;parsing the data packet, by the radio data system logic, to determine a first type field and parsing the first type field to identify a first indication;waking up In-band on-channel (IBOC) radio logic to monitor Active Radio messages in response to identifying the first indication as a trigger to wake up the IBOC radio logic; andprocessing an Active Radio message to output information associated with the first indication.2. The method of claim 1 , further comprising periodically waking the radio data system logic to receive data packets.3. The method of claim 1 , further comprising determining claim 1 , by control logic claim 1 , whether a current frequency comprises an IBOC channel claim 1 , that the IBOC radio logic does not detect an IBOC channel claim 1 , whether another frequency comprises an IBOC channel claim 1 , to instruct an RF tuner and baseband logic to re-tune to another frequency with an IBOC channel claim 1 , or to instruct the radio data system logic to continue to output emergency ...