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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 1555. Отображено 100.
23-08-2012 дата публикации

Handheld electronic device and function control method thereof

Номер: US20120212403A1
Автор: Jun Zhang, Qi-Long Yu

A handheld electronic device is provided. The electronic device includes an electrode unit, a storage unit, and a processing unit. The electrode unit includes a main body defining an annular cavity, a plurality of electrode groups, and a conductive element arranged within the annular cavity, wherein each of the plurality of the electrode groups includes a pair of conductive sheets, which are partially received in the annular cavity and are spaced apart from each other. When the electronic device is rotated to be in different orientation, the conductive element connects different electrode groups and the conductive sheets of the one of the electrode groups are connected to each other via the conductive element. The processing unit determines the connected electrode groups and executes a function corresponding to the determined electrode group. A function control method of the handheld electronic device is also provided.

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27-06-2013 дата публикации

MEMS Tilt Sensor

Номер: US20130160547A1
Принадлежит: Knowles Electronics LLC

An acoustic sensor includes a back plate; at least one back plate electrode coupled to the back plate; a proof of mass with the proof of mass elastically coupled to the back plate; and a proof of mass electrode coupled to the proof of mass. Movement of the sensor causes a capacitance between the proof of mass electrode and the at least one back plate electrode to vary and the capacitance represents a magnitude of the movement of the sensor.

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13-02-2014 дата публикации

Optical leveling system and method

Номер: US20140041241A1
Принадлежит: International Business Machines Corp

Aspects of the present invention provide an optical leveling system and method. Embodiments of the present invention utilize a pendulum having an opening through which light can pass to create varying light patterns in response to movement of the pendulum relative to an enclosure. The varying light patterns are detected and utilized to determine the position of the pendulum relative to the enclosure, which can be expressed as degrees and increments of degrees of deviation from a level condition. Embodiments of the present invention can be utilized, for example, to remotely monitor whether a mainframe computer system is level and, if necessary, alert service personnel.

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01-01-2015 дата публикации

Multifunction Laser Leveling Tool

Номер: US20150000144A1
Принадлежит: Robert Bosch Co Ltd

A multifunction laser leveling tool ( 1 ) is provided. The multifunction laser leveling tool ( 1 ) comprises: a housing ( 2 ); a pendulum ( 28 ) supported by the housing ( 2 ) via a universal joint so that the pendulum ( 28 ) is pivotable with respect to the housing ( 2 ) around a first axis ( 24 ) and a second axis ( 26 ) perpendicular to the first axis ( 24 ); a locking means ( 4 ) which is able to fixedly lock the pendulum ( 28 ) to the housing ( 2 ) and to release the pendulum ( 28 ) therefrom, wherein when the pendulum ( 28 ) is released, the pendulum ( 28 ) is in a plumb orientation and the first and second axes ( 24,26 ) lie in a horizontal plane; a first laser beam emitter ( 36 ) attached to the pendulum ( 28 ) for emitting a first laser plane; an angle sensing means ( 44 ) attached to the pendulum ( 28 ) for measuring the orientation of the pendulum ( 28 ); a display module having two sections ( 6,8 ) attached to the housing ( 2 ) for displaying the measured orientation of the pendulum ( 28 ).

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06-01-2022 дата публикации

A device for determining orientation of an object

Номер: US20220003547A1
Автор: Tilak SRINIVASAN
Принадлежит: Individual

The present disclosure relates to a device ( 100 ) for determining orientation of an object ( 3 ). The device ( 100 ) includes a hollow-spherical enclosure ( 2 ) supportable by the object ( 3 ) and a plurality of sensors (S 1 . . . Sn) circumferentially disposed in the hollow-spherical enclosure ( 2 ). A gimbal assembly ( 1 ) is secured in the hollow-spherical enclosure ( 2 ), where at least one gimbal ring of the gimbal assembly ( 1 ) is fixed perpendicular to a gravitational weight a gravitational vector (G) of the gimbal assembly ( 1 ). Further, at least one light source ( 8 ) is secured in the gimbal assembly ( 1 ) and the gimbal assembly ( 1 ) is configured to align the at least one light source ( 8 ) relative to orientation of the object ( 3 ) such that, the light emitted by the at least one light source ( 8 ) is incident on at least one sensor of the plurality of sensors (S 1 . . . Sn), to determine orientation of the object ( 3 ).

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04-01-2018 дата публикации

Precision Inclinometer with Parallel Dipole Line Trap System

Номер: US20180003495A1
Автор: Gunawan Oki
Принадлежит:

Inclinometers with a parallel dipole line (PDL) trap system are provided. In one aspect, an inclinometer includes: a PDL trap having a pair of dipole line magnets, a transparent tube in between the dipole line magnets, and a diamagnetic object within the transparent tube, wherein the diamagnetic object is levitating in between the dipole line magnets; and a sensing system for determining a position z of the diamagnetic object in the PDL trap and for determining an inclination angle θ using the position z of the diamagnetic object in the PDL trap. Techniques to detect the diamagnetic object position using optical, capacitive and manual methods are described. A method for determining an inclination angle θ using the present inclinometers is also provided. 1. An inclinometer , comprising:a parallel dipole line (PDL) trap having a pair of dipole line magnets, a transparent tube in between the dipole line magnets, and a diamagnetic object within the transparent tube, wherein the diamagnetic object is levitating in between the dipole line magnets; anda sensing system for determining a position z of the diamagnetic object in the PDL trap and for determining an inclination angle θ using the position z of the diamagnetic object in the PDL trap.2. The inclinometer of claim 1 , wherein the sensing system is an optical sensing system comprising a digital video camera positioned facing the PDL trap and the diamagnetic object for capturing video images of the position z of the diamagnetic object in the PDL trap.3. The inclinometer of claim 2 , wherein the optical sensing system further comprises a microcomputer for i) analyzing the video images and ii) determining the inclination angle θ.4. The inclinometer of claim 1 , wherein the sensing system is a capacitance sensing system comprising electrodes attached to at least two opposite ends of the transparent tube claim 1 , and a capacitance measurement system for measuring a change in capacitance as the diamagnetic object passes ...

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13-01-2022 дата публикации

Geodetic levelling staff and method of use thereof

Номер: US20220011109A1
Принадлежит: OZYEGIN UNIVERSITESI

A geodetic levelling staff, a method for measuring a height with the geodetic levelling staff and a system including the geodetic levelling staff and a level are provided. The geodetic levelling staff includes a circular level that indicates whether the geodetic levelling staff is in a vertical position, a level detection unit for detecting a bubble position of the circular level, a control circuit that receives detected data performed by the level detection unit and transmits the detected data to a near field communication tool, the near field communication tool for performing a communication from the geodetic levelling staff to the level according to the detected data received from the control circuit, wherein the level operates according to the detected data received from the near field communication tool.

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05-01-2017 дата публикации

Device and Method for Multifunction Relative Alignment and Sensing

Номер: US20170004615A1
Автор: Goldstein David J.
Принадлежит:

A tiltmeter-integrated two element optical relative alignment monitor provides relative alignment and contact sensing and can provide precise information regarding the nature of physical contact experienced by objects being monitored. A computer monitor can display the information in real time, in an intuitive manner. This system can provide all the information with good resolution in a low-cost, easily installable package for a wide variety of research, high energy physics applications, and industrial uses. A projector unit is mounted on one component containing a diffuse light source, a coded mask, and a lens. The projector is aligned with a camera to receive the focused image. Shifts in the image of the mask indicate relative motion between the camera and the projector unit. A tiltmeter is affixed to either the camera or projector, to distinguish between image shifts due to translational movement and image shifts due to rotation or tilting. 1. A method for monitoring changes of relative position of a first object with respect to a second object , the method comprising:providing a projector unit affixed to the first object, a camera affixed to the second object, and a tiltmeter affixed to the camera or the projector unit, the projector unit having a diffuse light source, lens, and a coded mask having a pattern, the coded mask positioned between the diffuse light source and the lens;illuminating the coded mask with the diffuse light source such that the lens magnifies an image of the pattern of the coded mask and focuses the image onto an image plane of the camera;measuring, with the tiltmeter, an amount of tilt of the projector or camera with respect to a reference line between the projector and the camera; andmonitoring both the image of the coded mask and the amount of tilt of the projector unit or camera to determine changes in relative position of the first object with respect to the second object.2. The method according to claim 1 , further comprising: ...

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10-01-2019 дата публикации

Pendulum-based laser leveling device with calibration guard function

Номер: US20190011246A1
Принадлежит: ROBERT BOSCH GMBH

A pendulum-based laser leveling device comprises a micro controller unit connected to a shock sensor for sensing a shock experienced by the laser leveling device. The micro controller unit is configured to send out a warning message when the magnitude of the shock sensed by the shock sensor exceeds a shock threshold.

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28-01-2016 дата публикации

System and Method for Analysis of Surface Features

Номер: US20160029006A1
Принадлежит:

Disclosed is a system and method for documenting and analyzing a tire tread using a guidance dolly for use in creating a three-dimensional image file of a target object from a plurality of two-dimensional image files including: a first dolly surface adapted to enable placement of the guidance dolly into physical contact with the target object; a second dolly surface generally conforming to the shape of the first dolly surface; and a guide channel for guiding a digital imaging device along a specified path so as to acquire the plurality of two-dimensional image files of the target object. 1. A guidance dolly suitable for use in creating a three-dimensional image file of a target object from a plurality of two-dimensional image files of the target object as obtained by a digital imaging device , said guidance dolly comprising:a first dolly surface generally conforming to a selected surface region of the target object, said first dolly surface adapted to enable placement of said guidance dolly into physical contact with said selected surface region of the target object;a second dolly surface having a shape generally conforming to the shape of said first dolly surface; anda guide channel extending between said first dolly surface and said second dolly surface, said guide channel for guiding the digital imaging device along a specified path so as to enable the digital imaging device to acquire the plurality of two-dimensional image files of the target object.2. The guidance dolly of further comprising a light source disposed to illuminate the selected surface region of the target object.3. A system suitable for use in monitoring observable changes to a selected surface region of a target object claim 1 , said system comprising:a digital imaging device for acquiring a plurality of two-dimensional image files of the selected surface region;a guidance dolly for placement against the target object when the plurality of two-dimensional image files are being acquired, said ...

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28-01-2021 дата публикации

Vial with Improved Visibility for Level

Номер: US20210025704A1
Принадлежит:

A level including level vial(s) having enhanced visibility are provided. The level may include a level vial including a material that is attracted to the interface or border of a globule within the level vial which improves visibility of the interface. The level may include a solid level indicator having easy to see end surfaces that are generally vertically oriented when in the level position. The end surfaces of the solid level indicator may allow the user to more easily compare the position of the solid level indicator to indicating lines formed on the level vial. The level may include a level vial including a first liquid and an immiscible second liquid forming a globule with the first material. The globule formed from the second material may improve visibility compared to a typical air bubble. 1. A level comprising:a level body defining a reference surface configured to engage a work piece;a vial supported by the level body, the vial comprising an inner surface defining an inner bore; and a first surface located at a first end of the solid indicator; and', 'a second surface located at a second end of the solid indicator opposite the first surface;', 'wherein the solid indicator moves within the inner bore of the vial in response to changing angular positions of the level body, wherein the solid indicator is shaped such that the first surface and the second surface are oriented in a perpendicular direction to the reference surface when the level body is oriented in a horizontal direction., 'a solid indicator located within the inner bore, the solid indicator comprising2. The level of claim 1 , wherein at least one of a liquid claim 1 , a gas claim 1 , or a vacuum surrounds the solid indicator within the vial.3. The level of claim 1 , wherein the first and second surfaces are substantially parallel planar surfaces.4. The level of claim 2 , further comprising:a pair of opposed parallel indicator lines located on the vial;a first length measured between and ...

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28-01-2021 дата публикации

METHODS AND APPARATUS FOR RECORDING IMPACT EVENTS ASSOCIATED WITH TRAILER MONITORING UNITS

Номер: US20210027495A1
Принадлежит:

An example trailer monitoring system includes a trailer monitoring unit (TMU) that has an image capture arrangement disposed within the TMU, the image capture arrangement to capture first image data, and an accelerometer carried by the TMU, the accelerometer to generate acceleration data of the TMU. The system also has one or more processors configured to access the acceleration data and configured to compare the acceleration data to a reference acceleration data range to determine if the acceleration data is within the reference acceleration range, in response to the acceleration data being outside the reference acceleration data range, the one or more processors are to record an impact event associated with the TMU being impacted, and in response to the acceleration data being outside the reference acceleration data range, the one or more processors are to generate a message associated with the impact event. 1. A trailer monitoring system , comprising: an image capture arrangement disposed within the trailer monitoring unit, the image capture arrangement to capture first image data; and', 'an accelerometer carried by the trailer monitoring unit, the accelerometer to generate acceleration data of the trailer monitoring unit; and, 'a trailer monitoring unit, includingone or more processors configured to access the acceleration data and configured to compare the acceleration data to a reference acceleration data range to determine if the acceleration data is within the reference acceleration range,in response to the acceleration data being outside the reference acceleration data range, the one or more processors are to record an impact event associated with the trailer monitoring unit being impacted, andin response to the acceleration data being outside the reference acceleration data range, the one or more processors are to generate a message associated with the impact event.2. The trailer monitoring system of claim 1 , further including a light source claim 1 , and ...

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12-02-2015 дата публикации

Electronic Level

Номер: US20150040411A1
Автор: Fujioka Takayuki
Принадлежит:

An electronic level which receives a reflection light from a pattern marked on a staff and determines a height of sighting position and a distance to the staff, comprising an electronic level main unit, a sighting optical system accommodated in the electronic level main unit for sighting the staff and a sighting device provided on an upper surface of the electronic level main unit, wherein the sighting device can be sighted at least in two directions, and an angle formed by two directions is equal to or approximately equal to a field angle of the sighting optical system. 1. An electronic level which receives a reflection light from a pattern marked on a staff and determines a height of sighting position and a distance to said staff , comprising an electronic level main unit , a sighting optical system accommodated in said electronic level main unit for sighting said staff and a sighting device provided on an upper surface of said electronic level main unit , wherein said sighting device can be sighted at least in two directions , and an angle formed by two directions is equal to or approximately equal to a field angle of said sighting optical system.2. An electronic level according to claim 1 , wherein said sighting device comprises a table part claim 1 , two sighting pins provided adjacent to each other on a peripheral portion of an upper surface of said table part claim 1 , a sight aligning pin provided on a peripheral portion opposite to said sighting pin on an upper surface of said table part and two measuring range confirming pins provided at positions separated from said sight aligning pin by a predetermined distance in circumferential direction claim 1 , wherein an angle formed by two of said measuring range confirming pins with respect to a middle point between said sighting pins is equal to or approximately equal to a field angle of said sighting optical system.3. An electronic level according to claim 1 , wherein said sighting device comprises a table part ...

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06-02-2020 дата публикации

Using Sensors To Detect Movement Of Light Fixtures

Номер: US20200043317A1
Принадлежит: Eaton Intelligent Power Ltd

A light fixture can include a housing and a sensor device having a sensor that measures at least one parameter associated with a position of the housing. The light fixture can also include a controller coupled to the sensor device. The controller can receive multiple measurements of the at least one parameter taken by the sensor device. The controller can also evaluate each measurement against at least one range of acceptable values. The controller can further send a notification when a measurement falls outside the at least one range of acceptable values. The notification can state that the housing is moved out of position and requires attention.

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14-02-2019 дата публикации

TILT DETECTION APPARATUS AND METHOD THEREOF

Номер: US20190049244A1
Принадлежит:

An apparatus for detecting tilt of a fixture and method thereof. The apparatus includes a visible element having a pattern visibly distinguishable from its surrounding area; a part having a plane reflective surface being configured to be engaged with the fixture in alignment and being arranged to reflect light beams propagating directly from the visible element so as to produce a first virtual image of the visible element; an image capture device being disposed at same side of the visible element with respective to the part having a plane reflective surface and being configured to have a field of view covering the first virtual image and a second virtual image of the visible element produced by the part having a plane reflective surface, wherein the second virtual image was produced where the part having a plane reflective surface assumed a levelling orientation; and a controller being adapted for detecting tilt of the fixture using a deviation of the first virtual image from the second virtual image of the visible element in the field of view of the image capture device. By using the apparatus or method according to present invention, no optical means, such as lens, is used for converging the light beams projected by the visible element. It is thus possible to facilitate the assembly of the apparatus, miniaturize the apparatus and reduce costs thereof. 1. An apparatus for detecting tilt of a fixture , including:a visible element having a pattern visibly distinguishable from the surrounding area;a part having a plane reflective surface being configured to be engaged with the fixture in alignment and being arranged to reflect light beams propagating directly from the visible element so as to produce a first virtual image of the visible element;an image capture device being disposed at same side of the visible element with respective to the part having a plane reflective surface and being configured to have a field of view covering the first virtual image and a second ...

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25-02-2021 дата публикации

System and method for determining alignment for railway wayside signal applications

Номер: US20210055101A1
Принадлежит: Siemens Mobility Inc

A system for determining alignment of a signal includes a light assembly comprising a light source operated by an electronic circuit, a first position sensor configured to measure a geographical direction of the light assembly, a second position sensor configured to measure a tilt angle of the light assembly, and a light communication device configured to receive measurements of the first position sensor and the second position sensor, and wherein the light communication device is configured to evaluate the measurements and determine alignment of the light assembly based on predefined tolerance thresholds for the geographical direction and tilt angle.

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23-02-2017 дата публикации

METHOD AND DEVICE FOR MEASURING DIP ANGLE OF OPPOSITELY CROSSLY PLACED PAIRED QUARTERED RING-QUARTERED CIRCLE NESTED POLAR PLATES

Номер: US20170052025A1
Принадлежит:

A method for measuring a dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates. An annular coplanar capacitance measuring head of a sensor unit consists of four quarter round metal plates and four quarter circular-ring-shaped metal plates, the eight metal plates are coplanar and concentric with one another, and a quarter round metal plate and a quarter circular-ring-shaped metal plate corresponding to the same sector angle form a capacitor. Two annular coplanar capacitance measuring heads are arranged on two round insulating substrates, the two round insulating substrates are used as two bottom surfaces of a cylindrical container, the cylindrical container is transversely arranged, and an insulating liquid equal to ½ volume of the cylindrical container is injected into the cylindrical container in a sealing manner. Potential leads extract potentials of the sixteen metal plates and are connected to an input end of a capacitance measuring unit, and the capacitance measuring unit is connected to a dip measuring unit. When the cylindrical container tilts, the relative positions of the two annular coplanar capacitance measuring heads and the insulating liquid are changed, and a dip angle value can be calculated by measuring the change of a capacitance value. Also disclosed is a device for measuring a dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates. 1. A method for measuring dip angle by way of oppositely crossly placed paired quartered ring-quartered circle nested polar plates , wherein the method comprises the following steps:(1) One round metal plate and one outer circular-ring-shaped metal plate are placed coplanar and concentric with one another, and the round metal plate and the outer circular-ring-shaped metal plate are quartered in the radial direction respectively to obtain four quarter round metal plates and four quarter circular-ring-shaped metal plates, and a quarter ...

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04-03-2021 дата публикации

Hydraulic Hammer

Номер: US20210060751A1
Автор: Hatim Bookwala
Принадлежит: Deere and Co

A hydraulic hammer for a working machine configured for digging a surface includes a housing, a chisel, sensors, and a controller. The housing is coupled to the working machine. The chisel is partially enclosed by the housing and extendable from the housing for digging the surface at a contact location. Each of the sensors is configured for generating a signal indicative of a projecting distance between one of the sensors and the surface. The controller is configured for receiving the signals, determining an angle between the chisel and a plane substantially tangent to the contact location, and reorienting the chisel so that the chisel is substantially orthogonal to the contact location with the angle at substantially ninety degrees.

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05-03-2015 дата публикации

OPTICAL SENSOR

Номер: US20150062569A1
Принадлежит:

An optical sensor that a deterioration of detecting accuracy is suppressed is provided, and an optical sensor that an increase of the number of components and an increase of a physical constitution are suppressed is provided. The optical sensor has a light receiving element having a light receiving surface to receives light, a detector detecting an inclination of the light receiving surface in the vertical direction, and a correction portion correcting an output signal of the light receiving element based on an output signal of the detector. Furthermore, the optical sensor includes a raindrop detector detecting a raindrop, a light detector detecting an incident light, and a storage part storing these things. The raindrop detector includes a light emitting element, a first light receiving element, (212), and a first lens. The light detector includes a second light receiving element and a second lens. 1. An optical sensor comprising:a light receiving element having a light receiving surface to receives light;a detector detecting an inclination of the light receiving surface in a vertical direction; anda correction portion correcting an output signal of the light receiving element based on an output signal of the detector, wherein a regulating portion regulating an incident angle of the light being incident to the light receiving surface, and', 'a calculation portion calculating an elevation angle property based on the output signal of the light receiving element corrected by the correction portion., 'the optical sensor further comprises'}2. The optical sensor according to claim 1 , whereinthe detector is an acceleration sensor.3. The optical sensor according to claim 2 , whereinthe output signal of the acceleration sensor is set up to be maximal or minimal when the light receiving surface is perpendicular to the vertical direction.4. The optical sensor according to claim 1 , whereinthe correction portion has a correction factor according to the output signal of the ...

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27-02-2020 дата публикации

INFORMATION PROCESSING DEVICE, AERIAL PHOTOGRAPHY ROUTE GENERATION METHOD, AERIAL PHOTOGRAPHY ROUTE GENERATION SYSTEM, PROGRAM, AND STORAGE MEDIUM

Номер: US20200064133A1
Автор: Chen Bin, Gu Lei, QU Zongyao
Принадлежит:

An information processing device includes a memory storing a program and a processor configured to execute the program to obtain information about an aerial photography range for a first aerial image and generate an aerial photography route for aerially photographing the first aerial image based on evaluation information of one or more second aerial images aerially photographed in the aerial photography range. 1. An information processing device comprising:a memory storing a program; and obtain information about an aerial photography range for a first aerial image; and', 'generate an aerial photography route for aerially photographing the first aerial image based on evaluation information of one or more second aerial images aerially photographed in the aerial photography range., 'a processor configured to execute the program to2. The information processing device according to claim 1 , wherein:each of the one or more second aerial images includes an aerial video;the aerial photography route is a first aerial photography route; and acquire, based on the evaluation information, information of one or more second aerial photography routes, each of the one or more second aerial images being photographed along one of the one or more second aerial photography routes; and', 'generate the first aerial photography route based on the one or more second aerial photography routes., 'the processor is further configured to execute the program to3. The information processing device according to claim 2 , wherein the processor is further configured to execute the program to:receive selection information for selecting one of the one or more second aerial photography routes; andset at least a part of the selected one of the one or more second aerial photography routes as the first aerial photography route.4. The information processing device according to claim 2 , wherein:the one or more second aerial photography routes include multiple second aerial photography routes; and receive ...

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27-02-2020 дата публикации

METHOD AND APPARATUS FOR TESTING ROLL TOGETHER

Номер: US20200064231A1
Автор: Just Morrison
Принадлежит:

A method and apparatus for testing roll together of a mattress using two weights, preferably weighted cylinders, and moving one of the weights towards the other while measuring change in distance between the weights and changes in angle of the stationary weight. 1. A method of testing roll together of a mattress , the method comprising the steps of:positioning a first weight and a second weight on the mattress a measured distance apart from each other;moving the second weight relative to the first weight so that it is a different measured distance apart from the first weight; anddetermining any change in angle of the first weight in response to the second weight being moved.2. The method of claim 1 , wherein the mass of at least one of the weights is variable and the method comprises the step of varying the mass of the one or more variable weight weights until each weight has a predetermined mass.3. The method of claim 1 , wherein the first weight and the second weight are weighted cylinders.4. The method of claim 3 , wherein the first weight is a first weighted cylinder and the second weight is a second weighted cylinder and preferably the weighted cylinders are interchangeable.5. The method of claim 1 , wherein the step of moving the second weight relative to the first weight so that it is a different measured distance apart from the first weight comprises measuring displacement of the second weight as it is moved.6. The method of claim 5 , wherein the displacement of the second weight is measured by measuring revolutions claim 5 , including any partial revolution claim 5 , of the second weight as it is rolled across the mattress.7. The method of claim 1 , wherein the step of determining any change in angle of the first weight in response to the second weight being moved comprises taking a measurement using an inclinometer.8. The method of claim 7 , wherein the step of determining any change in angle of the first weight in response to the second weight being moved ...

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19-03-2015 дата публикации

Attitude measurement between optical devices

Номер: US20150077547A1
Автор: Michael J. Choiniere

A system for measuring an attitude between optical devices is disclosed. In an embodiment, the system includes a plurality of optical devices and a hub. Further, the hub includes a plurality of attitude measurement and control subsystems (AMCSs) that are aligned with a predetermined angle during factory calibration. Each AMCS is connected to one of the optical devices and each AMCS measures an attitude between an AMCS and a corresponding optical device connected to the AMCS. Furthermore, the hub includes an attitude measurement unit to measure the attitude between the optical devices based on the measured attitude between each AMCS and a corresponding connected optical device and the predetermined angle between the AMCSs.

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15-03-2018 дата публикации

ANALOG FLOATING-GATE INCLINOMETER

Номер: US20180073874A1
Автор: Eskew Mark
Принадлежит:

An analog floating-gate (AFG) inclinometer where a plurality of AFG sensors are provided to detect the presence of a discharge caused by settling of a conductive liquid droplet contained in a sealed microchannel under gravity. A plurality of sensor port electrodes associated with the AFG sensors are placed along the length of a curved sealed microchannel of the inclinometer at specific positions calibrated to corresponding angular inclinations. Discharge detected at a specific AFG sensor port during measurement due to the movement of the conductive liquid droplet under gravity is used in determining a surface inclination being measured. 1. An inclinometer , comprising:a semiconductor substrate;a dielectric layer over the semiconductor substrate, the dielectric layer defining a sealed arcuate microchannel containing a conductive liquid droplet;access port electrodes in the sealed arcuate microchannel, each of the access port electrodes associated with a reference electrode within a proximity of the respective access port electrode and disposed along a curvature of the sealed arcuate microchannel, the access port electrodes spaced from one another with an arc length that is calibrated to an angular inclination resolution; andanalog floating-gate (AFG) devices in the semiconductor substrate, each corresponding to one or access port electrodes, wherein each of the AFG devices comprises a first conductor electrically coupled to the corresponding access port electrode and a second conductor electrically coupled to the reference electrode associated with the corresponding access port electrode.2. The inclinometer as recited in claim 1 , further comprising a control circuit coupled to each of the AFG devices claim 1 , the control circuit configured to (i) detect a discharge current in at least one of the AFG devices along a conductive path between the corresponding access port electrode and the associated reference electrode interposed by the conductive liquid droplet claim ...

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18-03-2021 дата публикации

VEHICLE CAMERA CALIBRATION SYSTEM

Номер: US20210080286A1
Автор: Han Xiaoling, Huang Zehua
Принадлежит:

Technique for performing camera calibration on a vehicle is disclosed. A method of performing camera calibration includes emitting, by a laser emitter located on a vehicle and pointed towards a road, a first laser pulse group towards a first location on a road and a second laser pulse group towards a second location on the road, where each laser pulse group includes one or more laser spots. For each laser pulse group: a first set of distances are calculated from a location of a laser receiver to the one or more laser spots, and a second set of distances are determined from an image obtained from a camera, where the second set of distances are from a location of the camera to the one or more laser spots. The method also includes determining two camera calibration parameters of the camera by solving two equations. 1. A method of performing camera calibration , comprising:emitting, by a laser emitter located on a vehicle and pointed towards a road at a first angle, a first laser pulse group towards a first location on a road;emitting, by the laser emitter pointed towards the road at a second angle, a second laser pulse group towards a second location on the road, wherein each of the first laser pulse group and the second laser pulse group comprises one or more laser spots;wherein the first laser pulse group and the second laser pulse group are emitted at the first location and the second location, respectively;determining two camera calibration parameters of a camera by solving two predetermined equations, wherein each predetermined equation includes two unknown camera calibration parameters, and a first value associated with a first set of distances to the one or more laser spots and a second value associated with a second set of distances to the one or more laser spots for a same laser pulse group;determining, based on a speed at which the vehicle is moving, the first angle and the second angle formed in between a direction in which the laser emitter is pointed ...

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23-03-2017 дата публикации

OPTICAL SYSTEM ACCESSORY WITH CANT INDICATION

Номер: US20170082400A1
Принадлежит:

An electronic indicator accessory may be coupled to a standard scope, which is in turn coupled to a shooting device, to indicate whether the scope is canted. The indicator may be visual, haptic, or aural. If visual, the visual indicator may include one or more LEDs positioned on the periphery of the field of view, on an accessory body attached to the scope. The accessory body may be coupled near either the ocular or objective lens of the scope. The LEDs are coupled to a microprocessor which is, in turn, coupled to a solid-state electronic inclinometer that is incorporated into the internal structure of the optical system. The microprocessor is configured to selectively illuminate one or more of the visual indicators based on the output of the inclinometer, thereby indicating how the reticle is canted, if at all. 1. A cant-detecting device that is configured to be fixedly mounted to an optical system for a shooting device , the device comprising:an electronic inclinometer configured to determine a cant of the mounted optical system; andan electronic indicator structured to provide an indicator signal to a user related to the determined cant.2. The device of claim 1 , further comprising a hollow claim 1 , ring-shaped body that is configured to be coupled to the optical system.3. The device of claim 2 , in which the ring-shaped body is configured to be threadedly attached to the optical system at an ocular end of the optical system.4. The device of claim 1 , further comprising a hollow body configured to receive the optical system claim 1 , wherein the inclinometer and the light emitter are coupled to the body.5. The device of claim 1 , in which the electronic indicator is one or more light emitting devices claim 1 , the cant-detecting device further comprising:a body; anda collimating lens, in which the one or more light emitting devices and the collimating lens are mounted, spaced apart from each other, in a collimator assembly coupled to or integrated in the body.6. ...

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02-04-2015 дата публикации

IMAGE CAPTURE DEVICE

Номер: US20150092019A1
Принадлежит:

Read electrodes are provided to drain signal charge of pixels from photoelectric conversion units provided in the pixels separately to a vertical transfer unit. During a first exposure period during which an object is illuminated with infrared light, signal charge obtained from a first pixel, and signal charge obtained from a second pixel adjacent to the first pixel, are added together in the vertical transfer unit to produce first signal charge. During a second exposure period during which the object is not illuminated with infrared light, signal charge obtained from the first pixel, and signal charge obtained from the second pixel adjacent to the first pixel, are transferred without being added to the first signal charge in the vertical transfer unit, and are added together in another packet to produce second signal charge. 2. The image capture device of claim 1 , whereinthe first and second pixels alternate in each row, andthe signal charge from the first pixel and the signal charge from the second pixel are added together, the first and second pixels being adjacent to each other in the vertical direction.3. The image capture device of claim 2 , whereinafter signal charge is read from the first pixel, the signal charge is vertically transferred by one pixel, and the signal charge is read from the second pixel, so that the signal charge from the first pixel and the signal charge from the second pixel are added together.4. The image capture device of claim 2 , whereina distance between the read electrode of the first pixel and the read electrode of the second pixel is smaller than one pixel interval, so that the signal charge is simultaneously read into a single packet.6. The image capture device of claim 5 , whereinthe signal charge is read from the first and the second pixels into a single packet through the read electrode common to the first and second pixels.7. The image capture device of claim 5 , whereinthe signal charge is read from the first and the second ...

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09-04-2015 дата публикации

System and Method for Remote-Controlled Leveling

Номер: US20150096180A1
Автор: Johnson Alan L.
Принадлежит:

A remotely controlled vehicle that can carry a laser detector or other survey equipment that can be wirelessly controlled from a piece of heavy equipment. A particular embodiment can be used to dig out level basements to a predetermined grade by placing a laser emitter on a support on the floor of the dig and maneuvering the remotely controlled vehicle carrying a laser detector from the cab of the digging equipment so that an entire basement dig can be dug out accurately level by a single person. 1. A method for digging out a hole with a piece of digging equipment to an exact grade level comprising:placing a laser emitter on a support near grade level;placing a laser detector on a remotely-controlled vehicle with wheels so that said laser detector indicates when said wheels are at grade level;mounting a control unit for said remotely-controlled vehicle in said digging equipment in proximity to an equipment operator position;permitting an equipment operator to maneuver said remotely-controlled vehicle to any position in said hole to check for grade level as said digging progresses.2. The method of wherein said laser detector emits a green light signal when the wheels of said remotely-controlled vehicle are at grade level.3. The method of wherein said laser detector emits a red light signal when the wheels of said remotely-controlled vehicle are not at grade level.4. The method of further comprising mounting safety lights on said remotely-controlled vehicle that light when said vehicle is moving.5. The method of wherein said laser detector emits a first signal when the wheels of said remotely-controlled vehicle are at grade level and a second signal when they are not.6. A method for digging out a hole with a piece of digging equipment to an exact grade level comprising:placing a laser emitter on a support near grade level;placing a laser detector on a remotely-controlled vehicle so that said laser detector indicates when said vehicle is a predetermined height above ...

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09-04-2015 дата публикации

Welder's Work Piece Positioning and Leveling Tool

Номер: US20150096182A1
Автор: Silberberg Mark L.
Принадлежит:

A specially designed welder's work piece positioning and leveling tool that includes a plurality of strategically oriented work piece positioning surfaces provided on the tool body for holding and correctly positioning work pieces to be welded together. The tool also includes a plurality of differently oriented bubble vials that are secured within the tool body in a manner such that, if any one of the bubble vials become broken, or otherwise damaged, it can be easily replaced and the level need not be discarded. 1. A work positioning and leveling tool comprising:(a) a body having a top surface, a bottom surface and first and second end surfaces, at least one of said first and second end surfaces extending at an angle with respect to said top surface, said body having a plurality of vial chambers, each said vial chamber having a threaded opening;(b) a bubble vial disposed within each of said vial chambers of said body;(c) a threaded connector receivable within said threaded opening of each of said vial chambers for movement between first and second positions to secure said bubble vials within said vial chambers;(d) at least one magnet connected to said bottom surface of said body; and(e) at least one magnet connected to said first end surface of said body.2. The work positioning and leveling tool as defined in further including at least one magnet connected to said second end surface of said body.3. The work positioning and leveling tool as defined in further including a bulls-eye level connected to said top surface of said body.4. The work positioning and leveling tool as defined in in which said threaded connector comprises a cap screw.5. The work positioning and leveling tool as defined in in which each of said top claim 1 , bottom and first end surfaces is provided with a longitudinally extending claim 1 , generally V-shaped groove.6. The work positioning and leveling tool as defined in in which each of said top claim 1 , bottom and first end surfaces is provided ...

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12-05-2022 дата публикации

Vehicle camera calibration system

Номер: US20220146282A1
Автор: Xiaoling HAN, Zehua Huang
Принадлежит: Tusimple Inc

Technique for performing camera calibration on a vehicle is disclosed. A method of performing camera calibration includes emitting, by a laser emitter located on a vehicle and pointed towards a road, a first laser pulse group towards a first location on a road and a second laser pulse group towards a second location on the road, where each laser pulse group includes one or more laser spots. For each laser pulse group: a first set of distances are calculated from a location of a laser receiver to the one or more laser spots, and a second set of distances are determined from an image obtained from a camera, where the second set of distances are from a location of the camera to the one or more laser spots. The method also includes determining two camera calibration parameters of the camera by solving two equations.

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28-03-2019 дата публикации

WHEEL SPEED AND DIRECTION SENSOR

Номер: US20190094020A1
Автор: Stein Eric
Принадлежит: GOODRICH CORPORATION

A variable inductor direction sensor may include a rotatable body having a first circumferential tooth array and a stationary body having a second circumferential tooth array. The second circumferential tooth array may be concentric with the first circumferential tooth array. The rotatable body may be disposed relative to the stationary body such that one of the first circumferential tooth array and the second circumferential tooth array circumscribes the other of the first circumferential tooth array and the second circumferential tooth array. Further, at least one of the first circumferential tooth array and the second circumferential tooth array has a non-uniform circumferential geometry. 1. A variable inductor direction sensor comprising:a rotatable body comprising a first circumferential tooth array; anda stationary body comprising a second circumferential tooth array concentric with the first circumferential tooth array;wherein the rotatable body is disposed relative to the stationary body such that one of the first circumferential tooth array and the second circumferential tooth array circumscribes the other of the first circumferential tooth array and the second circumferential tooth array;wherein at least one of the first circumferential tooth array and the second circumferential tooth array comprises a non-uniform circumferential geometry.2. The variable inductor direction sensor of claim 1 , wherein the non-uniform circumferential geometry comprises at least one of an asymmetrical tooth geometry and an irregular sequential pattern of teeth along at least a circumferential portion of the at least one of the first circumferential tooth array and the second circumferential tooth array.3. The variable inductor direction sensor of claim 2 , wherein the other of the first circumferential tooth array and the second circumferential tooth array comprises a uniform circumferential geometry.4. The variable inductor direction sensor of claim 1 , wherein the one of ...

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12-04-2018 дата публикации

LASER LEVELING NAVIGATION APPARATUS AND SYSTEM

Номер: US20180099311A1
Автор: Coons Shawn A.
Принадлежит:

Two or more laser leveling apparatuses are joined together to form a composite laser leveling apparatus. Lasers are affixed to the composite apparatus for illuminating a laser line on a surface providing guidance for Ultraviolet (UV) curing of a UV coating applied to the surface during operation of a UV curing device. 1. An apparatus , comprising:a first laser level apparatus configured for holding a first laser; anda second laser level apparatus configured for holding a second laser;wherein the first laser level apparatus is attachable to the second laser level apparatus to form the apparatus.2. The apparatus of claim 1 , wherein the first laser is adjustable to a position along a length of a top of the first laser level apparatus and the second laser is adjustable to a position on a length of a top of the second laser level apparatus.3. The apparatus of claim 1 , wherein a length of the apparatus is adjustable to a surface length of a surface by attaching additional laser apparatus to the first laser level apparatus or the second laser level apparatus.4. The apparatus of claim 1 , wherein the apparatus is adapted to rest on a horizontal surface to illuminate the first and second lasers onto the surface.5. The apparatus of claim 1 , wherein the apparatus is adapted to be affixed to a vertical surface to illuminate the first and second lasers onto a horizontal surface.6. The apparatus of claim 1 , wherein the first laser level apparatus includes a male end and a female end claim 1 , and wherein the second laser level apparatus includes a male end and a female end.7. The apparatus of claim 6 , wherein the first laser level apparatus is attached form the male end of the first laser level apparatus to the female end of the second laser level apparatus.8. The apparatus of claim 1 , wherein the first laser level apparatus is detachable from the second laser level apparatus.9. A system claim 1 , comprising:a first composite laser leveling apparatus having a first ...

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13-04-2017 дата публикации

ROTATIONAL SENSORS INCLUDING IONIC LIQUIDS AND METHODS OF MAKING AND USING THE SAME

Номер: US20170102235A1
Автор: Liang Mengbing, Yu Hongyu

Sensors for measuring rotation about an axis are disclosed, along with methods of making and using the same. The sensors can utilize ionic liquids and electrodes that provide a unique electrical signal at each angle of rotation about an axis. The sensors can include a solid structure with a channel that circumnavigates the axis, electrodes disposed within the channel, and an ionic liquid positioned within the channel. 1. A sensor for measuring rotation about an axis , the sensor comprising:a solid structure comprising a channel that circumnavigates the axis;a first anode and a first cathode disposed within the channel;an ionic liquid positioned within the channel, the ionic liquid contacting the first anode and the first cathode when the sensor is positioned such that the axis is at an angle of between 1° and 179° relative to a gravitational axis representing the force of gravity; anda controller coupled to the first anode and the first cathode, the controller configured to apply a first non-zero voltage between the first anode and the first cathode, the controller configured to communicate a rotation sense signal corresponding to a rotation about the axis, wherein the first anode and the first cathode are configured to provide a unique rotation sense signal value at each angle of rotation about the axis.2. The sensor of claim 1 , wherein the first anode and/or the first cathode is dimensioned to provide a unique cross-section of coverage by the ionic liquid at each angle of rotation about the axis.3. The sensor of claim 1 , wherein the first anode and/or the first cathode has a unique width at each angular position relative to the axis.4. The sensor of claim 1 , wherein the first anode and/or the first cathode has a width that changes as a function of angular position relative to the axis.5. The sensor of claim 4 , wherein the width has a unique width value at each angular position relative to the axis.6. The sensor of claim 1 , wherein a distance between the first ...

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20-04-2017 дата публикации

Tilt Angle Measuring Device

Номер: US20170108333A1
Принадлежит:

The invention provides a tilt angle measuring device, which comprises a discoid container for including a liquid forming a free liquid surface, a light emitting source for allowing a detection light to enter the free liquid surface, a photodetector for receiving the detection light reflected on the free liquid surface and a signal processing unit for detecting a tilt of the free liquid surface based on a detection signal from the photodetector, wherein the signal processing unit sets a detection light storage time of the photodetector so that an error incidence rate of the detection signal is a predetermined value. 1. A tilt angle measuring device comprising; a discoid container for including a liquid forming a free liquid surface , a light emitting source for allowing a detection light to enter said free liquid surface , a photodetector for receiving the detection light reflected on said free liquid surface and a signal processing unit for detecting a tilt of said free liquid surface based on a detection signal from said photodetector , wherein said signal processing unit sets a detection light storage time of said photodetector so that an error incidence rate of the detection signal is a predetermined value.2. The tilt angle measuring device according to claim 1 , further comprising a tilt pattern claim 1 , wherein a tilt pattern image is projected on said free liquid surface claim 1 , said photodetector receives said tilt pattern image reflected on said free liquid surface claim 1 , a tilt of said free liquid surface is detected based on a displacement of said tilt pattern image claim 1 , and wherein said tilt pattern has a roughness capable of recognizing said tilt pattern image when said tilt pattern image deviates due to a micro vibration of said free liquid surface.3. The tilt angle measuring device according to claim 1 , wherein said container has claim 1 , on a bottom portion claim 1 , a groove which is formed concentrically with a center of said container ...

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20-04-2017 дата публикации

Measuring Device

Номер: US20170108334A1
Принадлежит: Topcon Corp

The present invention provides a measuring device, which comprises a leveling unit, a measuring device main body provided on the leveling unit, a control unit, a first tilt angle measuring device for detecting a horizontality with high accuracy, and a second tilt angle measuring device for detecting a tilt angle in a wider range than a range of the first tilt angle measuring device and having a higher responsiveness than a responsiveness of the first tilt angle measuring device, wherein the control unit, the first tilt angle measuring device and the second tilt angle measuring device are provided in the measuring device main body and wherein the control unit drives the leveling unit based on a detection result of the second tilt angle measuring device, performs a rough leveling until a tilt angle detected by the second tilt angle measuring device reaches within a range in which the first tilt angle measuring device is capable of detecting and levels the measuring device main body horizontally based on a detection result of the first tilt angle measuring device.

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07-05-2015 дата публикации

OPTICAL SCANNER APPARATUS AND OPTICAL SCANNER CONTROL APPARATUS

Номер: US20150124304A1
Принадлежит: MITSUMI ELECTRIC CO., LTD.

An optical scanner apparatus includes first and second torsion beams which support a mirror support portion supporting a mirror from both sides in an axial direction; first and second horizontal driving beams configured to include first and second horizontal driving sources, respectively, a connecting beam; a first piezo-electric sensor; first and second sensor interconnects connected to one of and the other of an upper electrode and a lower electrode of the first piezo-electric sensor, respectively, the first sensor interconnect and the second sensor interconnect being formed to extend toward the first horizontal driving beam and the second horizontal driving beam, respectively. 1. An optical scanner apparatus comprising:a mirror;a mirror support portion which supports the mirror;a torsion beam which supports the mirror support portion in an axial direction around which the mirror support portion is oscillated by torsion of the torsion beam;a driving source for oscillating the mirror and the mirror support portion;a piezo-electric sensor configured to detect a displacement when the mirror is being oscillated by a driving voltage applied to the driving source;a sensor interconnect connected to the piezo-electric sensor; anda guard pattern connected to a ground terminal and provided between the driving source and the sensor interconnect.2. The optical scanner apparatus according to claim 1 ,wherein the driving source is a horizontal driving source for oscillating the mirror and the mirror support portion around the axial direction, andwherein the piezo-electric sensor is configured to detect a displacement by an oscillation of the torsion beam around the axial direction when the mirror is being oscillated by the driving voltage applied to the horizontal driving source.3. The optical scanner apparatus according to claim 2 , further comprising:a vertical driving source for oscillating the mirror and the mirror support portion in a direction perpendicular to the axial ...

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03-05-2018 дата публикации

Laser leveling tool with adaptive thermal control

Номер: US20180120103A1
Принадлежит: Robert Bosch Co Ltd

A laser leveling tool comprises at least one laser diode for emitting a laser beam; a micro controller unit for controlling the operation of the laser diode; and a thermal sensor for sensing the internal temperature of the laser leveling tool; wherein the micro controller unit is configured to reduce the operation power of the laser diode when the sensed internal temperature reaches a temperature threshold.

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17-05-2018 дата публикации

An Intelligent Liquid Intake Measurement Device

Номер: US20180132643A1
Автор: Shklar Avishai
Принадлежит:

The present invention relates to a liquid retaining device for providing the actual amount of liquid intake by a user, comprising: a) a container body having a bottom wall and side walls, wherein the inside surface of the bottom and side walls is a non-conductive layer; b) at least one pair of sensors in form of capacitive strips that are embedded within the side walls in such a way that each strip extends from top to bottom of the side wall, such that the non-conductive layer serves as a dielectric in a capacitor composed of said capacitive strips a conductive liquid within said container body, thereby the readings of said sensors indicates the liquid level inside the container body across the side wall; and c) an electronic module that includes a control logic for handling the readings of said sensors, thereby enabling to convert said readings into the actual amount of liquid intake. 1. A liquid retaining device for providing the actual amount of liquid intake by a user , comprising:a) a container body having a bottom wall and side walls, wherein the inside surface of the bottom and side walls is a non-conductive layer;b) at least one pair of sensors in form of capacitive strips that are embedded within the side walls in such a way that each strip extends from top to bottom of the side wall, such that the non-conductive layer serves as a dielectric in a capacitor composed of said capacitive strips and a conductive liquid within said container body, thereby the readings of said sensors indicates the liquid level inside the container body across the side wall as each sensor may provide different level of readings when the liquid level inside the container body is not equal across the side wall, thereby enabling to calculate the tilting angle of said device; andc) an electronic module that includes a control logic for handling the readings of said sensors, thereby enabling to convert said readings into the actual amount of liquid intake.2. A device according to claim ...

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17-05-2018 дата публикации

INCLINATION SENSOR

Номер: US20180135981A1
Принадлежит:

To eliminate influences of unnecessary reflected light other than a liquid surface in a liquid surface reflection type inclination sensor. In order to attain the object described above, an inclination sensor includes a liquid that forms a liquid surface, an illumination section, a barcode pattern to be illuminated by the illumination section, an optical system that projects the barcode pattern on the liquid surface, a light receiving element that detects the barcode pattern, a storage section that stores a detection image when the liquid surface is removed from an optical path of the optical system, and an arithmetic section that calculates an inclination angle by subtracting the detection image when the liquid surface is removed from a detection image when the liquid surface is present on the optical path of the optical system. 1. An inclination sensor comprising:a liquid that forms a liquid surface;an illumination section;a barcode pattern to be illuminated by the illumination section;an optical system that projects the barcode pattern on the liquid surface;a light receiving element that detects the barcode pattern reflected;a storage section that stores a detection image of the light receiving element when the liquid surface is removed from an optical path of the optical system; andan arithmetic section that calculates an inclination angle by subtracting a detection image when the liquid surface is removed from a detection image of the light receiving element when the liquid surface is present on the optical path of the optical system.2. The inclination sensor according to claim 1 , whereinthe inclination sensor includes an illumination control section that adjusts a light amount of the illumination section,the storage section stores an illumination control value of the illumination control section for a detection image when the liquid surface is removed, andthe arithmetic section makes an illumination control value of the detection image when the liquid surface ...

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28-05-2015 дата публикации

METHOD AND DEVICE FOR CONTROLLING AN APPARATUS USING SEVERAL DISTANCE SENSORS

Номер: US20150145768A1
Принадлежит:

A method for controlling an apparatus, includes steps of: determining distance measurements of an object in a first direction, using distance sensors defining between them a second direction different from the first direction, assessing a first inclination of the object in relation to a second direction based on the distance measurements, and determining a first command of the apparatus according to the inclination assessment. 1. A method , comprising:determining distance measurements to an object in a first direction, using distance sensors aligned in a second direction different from the first direction;assessing, using processing circuitry, a first inclination of the object in relation to the second direction based on the distance measurements; anddetermining, using the processing circuitry, a first command of an apparatus based on the first inclination assessment.2. The method according to claim 1 , comprising:determining distance measurements to the object in the first direction, from distance sensors aligned in a third direction different from the first and second directions;assessing a second inclination of the object in relation to the third direction based on the distance measurements from the distance sensors aligned in the third direction, anddetermining a second command of the apparatus based on the second inclination assessment.3. The method according to claim 1 , comprising:determining a distance measurement of the object in the first direction, from a distance sensor not aligned with the distance sensors aligned in the second direction;assessing a second inclination of the object in relation to a third direction different from the first and second directions, based on the distance measurements supplied by the distance sensors; anddetermining a second command of the apparatus according to the second inclination assessment.4. The method according to wherein the distance sensors have detection axes having different orientations claim 1 , the distance ...

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08-09-2022 дата публикации

FALL DETECTION SENSOR

Номер: US20220285113A1
Принадлежит: NIPPON ALEPH CO., LTD.

A compact fall detection sensor includes a case. A magnet is housed in the case. A reed switch with a pair of reeds are integrally positioned around the central axis of the case at the bottom of the case. In an upright state, the magnet is gravitationally positioned in the longitudinal direction of the reed switch around the central axis of the curved surface of the case, each magnetic pole magnetizing the corresponding reed of the reed switch, allowing one of the reeds to be magnetized to N pole and the other reed to S pole to turn on the switch. When inclined from the upright state, the magnet slides along the curved surface of the case and deviates from the central axis, to position only one of the magnetic poles of the magnet around the central axis to turn off the reed switch. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. A fall detection sensor , comprising:a non-magnetic case mounted to an object whose fall is to be detected, the case having a hollow portion created by a recessed curved surface whose diameter increases upward around its central axis and a top surface that liquid-tightly closes the top edge of the curved surface;a magnet having magnetic poles in its longitudinal direction, or a flat disk-shaped magnet magnetized in its radial direction housed in the hollow portion created by the curved surface and the closed top face of the case;a magnetic fluid sealed in the hollow portion and magnetically attached to at least both ends of the magnetic poles of the magnet; anda reed switch arranged so that its contact comes at or around the center of the bottom of the case, whereinthe recessed curved surface has a hemisphere having a constant radius of curvature,when the object is in upright state, the central axis of the case extends in a vertical direction, the magnet whose magnetic poles are covered with the magnetic fluid is gravitationally positioned so that its magnetization direction extends approximately in parallel ...

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04-06-2015 дата публикации

TEXTURE AUTOMATIC MONITORING SYSTEM

Номер: US20150153167A1
Принадлежит:

A texture automatic monitoring system for measuring surface texture of a road surface compacted by a road roller is measured by texture measurement equipment mounted on the road roller. The road surface texture measurement equipment comprises a height measurement instrument disposed on the compaction roller that measures height from the road surface, a moving distance detecting instrument that generates a signal corresponding to the moving distance of the road roller, a data processing unit that calculates the moving distance of the road roller based on the moving distance detecting signal, and calculates one or more road surface property values indicating the road surface texture by using the measured value of the height acquired from the height measurement instrument and the calculated moving distance, and a displaying unit which displays the calculated road surface property value. 1. A texture automatic monitoring system for measuring a road surface texture of a road surface compacted by a road roller having a compaction roller , wherein a road surface texture measurement equipment for measuring the road surface texture is mounted on the road roller.2. The texture automatic monitoring system of claim 1 , wherein the road surface texture measurement equipment comprises:a height measurement instrument disposed on the rearward of the compaction roller and measures a height from the road surface;a moving distance detecting instrument which generates a moving distance detecting signal corresponding to a moving distance of the road roller;a data processing unit which calculates the moving distance of the road roller based on the moving distance detecting signal, and calculates one or more road surface property values indicating the road surface texture by using the measured value of the height acquired from the height measurement instrument and the calculated moving distance; anda displaying unit which displays the calculated road surface property value.3. The texture ...

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31-05-2018 дата публикации

HEIGHT-ADJUSTABLE LASER LEVEL APPARATUS

Номер: US20180149478A1
Автор: JUNG Min Shy
Принадлежит:

The present invention relates to a height-adjustable laser level apparatus, comprising: a laser-emitting part which emits laser light to indicate a vertical point at a measurement point; a case part into which the laser-emitting part is inserted and coupled to protect the laser-emitting part from external impact, and to maintain the horizontality of the laser level apparatus; and a height adjustment part which is inserted into and coupled with the upper portion of the case part to adjust the height of the laser level apparatus. The laser level apparatus is coupled with the upper portion of a scaffold or a temporary material at a construction site to maintain horizontality regardless of smoothness and horizontality level of an installation surface, thereby improving accuracy of measurement. Further, the laser level apparatus is coupled without any particular support, thereby improving portability. Also, the laser level apparatus allows height to be adjusted through a simple operation by the height control part. The laser level apparatus is coupled with the upper portion, and thus does not affect worker movement or work activities such as material transfer at the time of measurement, thereby improving workability. 1. A height-adjustable laser level apparatus comprising: a laser emission unit; a case provided therein with the laser emission unit; a height adjuster configured to adjust a height of the case provided with the laser emission unit ,wherein the case comprises a case inner space; and a light transmission hole,wherein the laser emission unit is arranged in the case inner space and comprises:a control unit driven by a battery and operated using an operation switch;two or more horizontal emission units or vertical emission units arranged on a side surface of the laser emission unit and provided therein with a laser emission member configured to receive a signal from the control unit and emit a laser beam; anda diffuser configured to defuse the laser beam along a ...

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07-05-2020 дата публикации

OPTICAL FIBER INCLINATION MEASUREMENT APPARATUS AND DIFFERENTIAL INCLINATION MEASUREMENT SYSTEM

Номер: US20200141728A1
Принадлежит:

An optical fiber inclination measurement apparatus and a differential inclination measurement system are provided, which is related to the field of monitoring technology. The apparatus includes a supporting mechanism with a base and a base frame, a swinging mechanism with a pendulum, a cycloid, and a first reflective film is disposed on the pendulum. The measurement mechanism includes a first optical fiber, and an end surface of the first optical fiber is disposed opposite to the first reflective film. During an earthquake generating process, a landform changes and the pendulum swings, resulting in changes in displacement. The end surface of the first optical fiber together with the first reflective film form a Fabry-Perot cavity. The cavity length of the Fabry-Perot cavity changes before and after the landform deforms, and an angle of inclination is equal to a value obtained by dividing the cavity length variation of the Fabry-Perot cavity by the pendulum length. 1. An optical fiber inclination measurement apparatus , wherein the apparatus comprises:a supporting mechanism comprising a base and a base frame fixed onto the base;a swinging mechanism comprising a pendulum and a cycloid, wherein two ends of the cycloid are connected to the base frame and the pendulum, respectively, and a first reflective film is disposed on a side surface of the pendulum; anda first measurement mechanism comprising a first optical fiber, wherein an end surface of the first optical fiber is disposed opposite to the first reflective film.2. The optical fiber inclination measurement apparatus according to claim 1 , wherein the apparatus further comprises a first fine adjustment mechanism comprising a first adjustment frame and a first holding member for holding the first optical fiber claim 1 , wherein the first adjustment frame is disposed on the base claim 1 , the first holding member is fixed to the first adjustment frame claim 1 , and the first adjustment frame adjusts an initial ...

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09-06-2016 дата публикации

Tilt Detecting Device

Номер: US20160161253A1
Автор: Kodaira Jun-ichi
Принадлежит:

A tilt detecting device comprising, a light source for projecting a pattern, a liquid component having a free liquid surface and for rear-surface reflecting by the free liquid surface, a photodetection element for photodetecting a reflection image of the rear-surface reflected pattern, and an arithmetic processing unit, wherein the arithmetic processing unit is adapted to scan a predetermined range of a photodetection surface of the photodetection element as many times as required and performs averaging processing to a photodetection signal as detected and calculates a barycentric position of the pattern based on signals subjected to averaging processing. 1. A tilt detecting device comprising , a light source for projecting a pattern , a liquid component having a free liquid surface and for rear-surface reflecting by said free liquid surface , a photodetection element for photodetecting a reflection image of said rear-surface reflected pattern , and an arithmetic processing unit , wherein said arithmetic processing unit is adapted to scan a predetermined range of a photodetection surface of said photodetection element as many times as required and performs averaging processing to a photodetection signal as detected and calculates a barycentric position of said pattern based on signals subjected to averaging processing.2. A tilt detecting device according to claim 1 , wherein said arithmetic processing unit scans circularly around a point set in advance as a center on said photodetection element.3. A tilt detecting device according to claim 2 , wherein said arithmetic processing unit scans around a barycenter claim 2 , as a center claim 2 , obtained by a calculation with different radiuses claim 2 , respectively.4. A tilt detecting device according to claim 1 , wherein said pattern comprises at least two small patterns disposed point-symmetrically with respect to said barycenter of said pattern.5. A tilt detecting device according to claim 4 , wherein said arithmetic ...

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23-05-2019 дата публикации

HYDRAULIC HAMMER

Номер: US20190152038A1
Автор: Bookwala Hatim
Принадлежит:

A hydraulic hammer for a working machine configured for digging a surface includes a housing, a chisel, sensors, and a controller. The housing is coupled to the working machine. The chisel is partially enclosed by the housing and extendable from the housing for digging the surface at a contact location. Each of the sensors is configured for generating a signal indicative of a projecting distance between one of the sensors and the surface. The controller is configured for receiving the signals, determining an angle between the chisel and a plane substantially tangent to the contact location, and reorienting the chisel so that the chisel is substantially orthogonal to the contact location with the angle at substantially ninety degrees. 1. A hydraulic hammer for a working machine configured for digging a surface , the hydraulic hammer comprising:a housing coupled to the working machine;a chisel partially enclosed by the housing and extendable from the housing for digging the surface at a contact location; anda plurality of sensors, each of which is configured for generating a signal indicative of a projecting distance between one of the plurality of sensors and the surface; anda controller configured for receiving the signals, determining an angle between the chisel and a plane substantially tangent to the contact location, and reorienting the chisel so that the chisel is substantially orthogonal to the contact location with the angle at substantially ninety degrees.2. The hydraulic hammer of claim 1 , wherein the plurality of sensors comprise a first sensor configured for generating a first signal indicative of a first projecting distance between the first sensor and the surface claim 1 , and a second sensor configured for generating a second signal indicative of a second projecting distance between the second sensor and the surface.3. The hydraulic hammer of claim 2 , wherein the housing comprises a bottom surface comprising an aperture through which the chisel is ...

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14-05-2020 дата публикации

Leveling Sensor, Load Port Including the Same, and Method of Leveling a Load Port

Номер: US20200149886A1
Принадлежит:

A leveling sensor, a load port including a leveling sensor, and a method of leveling a load port using a load port are disclosed. In an embodiment, a sensor includes an accelerometer configured to detect leveling and vibration of a load port and produce a plurality of data; a plurality of indicator lights configured to display a level measurement and a level direction based on the leveling of the load port; a processor configured to process the data produced by the accelerometer; and a wired connection configured to connect the processor to an external device. 1. A load port comprising:a pod support configured to hold a semiconductor wafer transport pod;a load port door through which the semiconductor wafer transport pod is transported; anda load port leveling sensor, the load port leveling sensor comprising an accelerometer configured to measure the leveling of the load port, the load port leveling sensor being disposed on an exterior of the load port directly on the pod support.2. The load port of claim 1 , wherein the load port leveling sensor further comprises a plurality of indicator lights indicating the leveling of the load port.3. The load port of claim 1 , wherein the load port leveling sensor further comprises a speaker configured to sound a warning based on the leveling of the of the load port.4. The load port of claim 1 , wherein the accelerometer is further configured to measure vibration of the load port.5. The load port of claim 1 , further comprising a load port computer connected to the load port leveling sensor and configured to receive feedback data from the load port leveling sensor indicating the leveling of the load port.6. The load port of claim 5 , wherein the load port computer is connected to the load port leveling sensor using a wired connection.7. The load port of claim 5 , wherein the load port computer is connected to the load port leveling sensor using a wireless connection.8. A sensor comprising:an accelerometer configured to produce ...

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08-06-2017 дата публикации

Levelness detecting device and method, levelness adjusting device and method

Номер: US20170160085A1

The present disclosure discloses a levelness detecting device and method, and a levelness adjusting device and method. The levelness detecting device comprises a light emitter, a semi-reflecting, semi-transmitting mirror, and a plurality of reflecting mirrors comprising a first reflecting mirror, a second reflecting mirror and a third reflecting mirror. The semi-reflecting, semi-transmitting mirror and the plurality of reflecting mirrors are arranged on a to-be-detected plane and are each provided with a scale indicative of a height.

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08-06-2017 дата публикации

INCLINATION DETECTION IN TWO-WHEELERS

Номер: US20170162055A1
Автор: Lehner Philipp
Принадлежит:

A method for operating a vehicle equipped with a surroundings sensor system is provided. In the method, at least one preceding and/or oncoming two-wheeler is detected at least as a function of data of the surroundings sensor system. In addition, an angle of inclination of the two-wheeler is ascertained at least as a function of data of the surroundings sensor system and a movement path of the two-wheeler is predicted based on the ascertained angle of inclination. The operation of the vehicle takes place in this case based on the predicted movement path. 1. A method for operating a vehicle equipped with a surroundings sensor system , the method comprising:detecting at least one of a preceding and an oncoming two-wheeler, the detecting being based on data of the surroundings sensor system;ascertaining an angle of inclination of the two-wheeler at least as a function of data of the surroundings sensor system;predicting a movement path of the two-wheeler based on the ascertained angle of inclination; andoperating the vehicle based on the predicted movement path.2. The method as recited in claim 1 , wherein an optical flow is ascertained on the basis of image sequences recorded with the aid of the surroundings sensor system to detect the two wheeler claim 1 , the surrounding sensor system including a camera.3. The method as recited in claim 1 , wherein a proper motion of the vehicle is taken into consideration in the ascertaining of the angle of inclination.4. The method as recited in claim 1 , wherein the angle of inclination is ascertained based on at least two reference points on the two-wheeler claim 1 , which are detected by the surroundings sensor system.5. The method as recited in claim 1 , wherein the surroundings sensor system includes a camera claim 1 , and specific pixels of a digital image recorded using the camera are associated with the two-wheeler to ascertain the angle of inclination.6. The method as recited in claim 5 , wherein a mean column value of the ...

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04-09-2014 дата публикации

SYSTEM AND METHOD FOR PHOTOGRAPHING MOVING SUBJECT BY MEANS OF MULTIPLE CAMERAS, AND ACQUIRING ACTUAL MOVEMENT TRAJECTORY OF SUBJECT BASED ON PHOTOGRAPHED IMAGES

Номер: US20140247345A1
Автор: Suk Yong Ho
Принадлежит: CREATZ Inc.

The present invention relates to a system and method for photographing a moving subject by means of multiple cameras, and acquiring the actual movement trajectory of the subject on the basis of the photographed image. One embodiment of the present invention provides a method for acquiring the movement trajectory of a subject, the method comprising: a step for photographing a moving subject by means of multiple cameras; a step for collecting, from each of the cameras, information on multiple images of the subject and the positions of the images on the relevant camera image frames; and a step for acquiring the movement trajectory of the subject on the basis of the information collected. 1. A method for acquiring a movement trajectory of a subject , comprising:photographing a moving subject by means of a plurality of cameras;collecting from each of the plurality of cameras a plurality of images of the subject and information on their locations on a corresponding camera image frame; andacquiring a movement trajectory of the subject on the basis of the collected information.2. A method as claimed in claim 1 , wherein the plurality of cameras are spaced apart from each other.3. A method as claimed in claim 1 , wherein the plurality of cameras are fixed facing a background region.4. A method as claimed in claim 3 , wherein the step of acquiring a movement trajectory of the subject comprises determining at least two planes related to the movement trajectory of the subject.5. A method as claimed in claim 4 , wherein the step of acquiring a movement trajectory of the subject further comprises determining a line of intersection of the at least two planes.6. A method as claimed in claim 5 , wherein each of the at least two planes contains a location point of the corresponding camera and projection points of the subject being projected from a viewpoint of the corresponding camera onto the background region.7. A method as claimed in claim 6 , wherein the location on the ...

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29-09-2022 дата публикации

TILT SENSOR WITH ZERO POSITION INDICATION

Номер: US20220307829A1
Принадлежит:

A tilt sensor with zero position indication for indicating a predetermined zero position, including an indication device with an optical indication means and a control unit for actuating the indication device, wherein the indication device is configured to transmit a set first signal from an optical indication means in the zero position and to transmit a set second signal from the optical indication means in a position deviating from the zero position, wherein the second signal comprises an item of information about an extent of the deviation of the position deviating from the zero position, and wherein the optical indication means consists of only one light source. 1. A tilt sensor with zero position indication for indicating a predetermined zero position , comprising:an indication device with an optical indication means; and the indication device is configured to transmit a set first signal from an optical indication means in the zero position and to transmit a set second signal from the optical indication means in a position deviating from the zero position,', 'the second signal comprises an item of information about an extent of the deviation of the position deviating from the zero position, and', 'the optical indication means consists of only one light source., 'a control unit for actuating the indication device, wherein2. The tilt sensor according to claim 1 , wherein the item of information about the extent of the deviation is provided in the form of a flashing frequency and/or of a colour and/or of a variable duty cycle and/or of a brightness impression of the optical indication means.3. The tilt sensor according to claim 1 , wherein the one light source is an LED.4. The tilt sensor according to claim 1 , wherein a position which deviates from a position perpendicular or parallel relative to the gravitational field of the Earth can be defined freely as the predetermined zero position.5. The tilt sensor according to claim 1 , wherein the predetermined zero ...

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30-05-2019 дата публикации

Precision Inclinometer with Parallel Dipole Line Trap System

Номер: US20190162533A1
Автор: Gunawan Oki
Принадлежит:

Inclinometers with a parallel dipole line (PDL) trap system are provided. In one aspect, an inclinometer includes: a PDL trap having a pair of dipole line magnets, a transparent tube in between the dipole line magnets, and a diamagnetic object within the transparent tube, wherein the diamagnetic object is levitating in between the dipole line magnets; and a sensing system for determining a position z of the diamagnetic object in the PDL trap and for determining an inclination angle θ using the position z of the diamagnetic object in the PDL trap. Techniques to detect the diamagnetic object position using optical, capacitive and manual methods are described. A method for determining an inclination angle θ using the present inclinometers is also provided. 1. An inclinometer , comprising:a parallel dipole line (PDL) trap having a pair of dipole line magnets, a transparent tube in between the dipole line magnets, and a diamagnetic object within the transparent tube, wherein the diamagnetic object is levitating in between the dipole line magnets; anda sensing system for determining a position z of the diamagnetic object in the PDL trap and for determining an inclination angle θ using the position z of the diamagnetic object in the PDL trap, wherein the sensing system comprises at least one of an optical sensing system and a manual readout system.2. The inclinometer of claim 1 , wherein the sensing system comprises the optical sensing system claim 1 , and wherein the inclinometer further comprises a digital video camera positioned facing the PDL trap and the diamagnetic object for capturing video images of the position z of the diamagnetic object in the PDL trap.3. The inclinometer of claim 2 , wherein the inclinometer further comprises a microcomputer for i) analyzing the video images and ii) determining the inclination angle θ.4. The inclinometer of claim 1 , wherein the sensing system comprises the manual readout system claim 1 , and wherein the inclinometer further ...

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22-06-2017 дата публикации

AERO ENGINE ROTOR AIR FLOATATION ASSEMBLING METHOD AND DEVICE BASED ON GANTRY STRUCTURE

Номер: US20170175584A1
Принадлежит:

An aero engine rotor air floatation assembling method and device based on a gantry structure belong to mechanical assembling technology. The present invention can effectively solve the problem of poor coaxality after the aero engine rotor is assembled and has the characteristics of high coaxality after the rotor is assembled, reduced vibration, mounting easiness, high flexibility and improved engine performance. The measuring method and device are: determining rotary reference based on a rotary air bearing; determining the angular positioning of a rotary table according to a grating ruler; extracting the radial error of the radial mounting plane and the inclination error of the axial mounting plane of the rotor based on the four-probe measuring device to obtain the influencing weight of this rotor to the assembled rotor on coaxality; measuring respectively all the rotors required for assembling to obtain the influencing weight of each rotor to the assembled rotor on coaxality; vector optimizing the weight of each rotor to obtain the assembling angle of each rotor. 1. An aero engine rotor air floatation assembling method based on a gantry structure , wherein , this measuring method is: disposing and fixing a measured rotor on a worktable for adjusting concentricity and inclination; an axial eddy current sensor for measuring an axial mounting reference plane measuring an axial mounting reference plane of the measured rotor so as to adjust inclination; a radial eddy current sensor for measuring a radial mounting reference plane measuring a radial mounting reference plane so as to adjust concentricity; an air bearing rotary table driving the measured rotor to rotate at a uniform speed of 6 to 10 r/min via the worktable for adjusting concentricity and inclination , the axial eddy current sensor for measuring an axial mounting reference plane taking samples at uniform interval on the axial mounting reference plane of the measured rotor , and the radial eddy current sensor ...

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04-06-2020 дата публикации

STAGE APPARATUS AND CHARGED PARTICLE BEAM APPARATUS

Номер: US20200176217A1
Принадлежит:

A stage includes a sample table on which a sample is placed, a first drive mechanism moving the sample table in a first direction; a position measurement element measuring a position in the first direction that is a driving direction of the sample table. The stage also has a scale element having a scale measurement axis that is parallel to a first measurement axis in the first direction based on the position measurement element and is different from the first measurement axis in height, and measuring the position of the sample table in the first direction. A controller calculates the orientation of the sample table by using a measurement value by the position measurement element and a measurement value by the scale element and correcting the Abbe error of the sample table. 1. A stage apparatus comprising:a sample table on which a sample is placed;a first drive mechanism moving the sample table in a first direction;a position measurement element measuring a position in the first direction that is a driving direction of the sample table;a scale element having a scale measurement axis that is parallel to a first measurement axis in the first direction based on the position measurement element and is different from the first measurement axis in height, and measuring the position of the sample table in the first direction; anda controller calculating orientation of the sample table by using a measurement value by the position measurement element and a measurement value by the scale element and correcting an Abbe error of the sample table.2. The stage apparatus according to claim 1 , whereinthe position measurement element includes a first laser interferometer that measures the position of the sample table in the first direction by irradiating a first mirror disposed on the sample table with laser light and receiving reflected light from the first mirror, andthe scale element includes a scale attached to a placement surface over which the sample table is placed in such a ...

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15-07-2021 дата публикации

TILT INDICATOR

Номер: US20210215482A1
Принадлежит:

A tilt indicator includes a housing having a tilt detection assembly, switch circuitry, and a radio-frequency identification (RFID) module coupled to the switch circuitry. Responsive to the tilt detection assembly being subjected to a tilt event exceeding a threshold, the switch circuitry causes a change in a value output by the RFID module when activated. 1. A tilt indicator , comprising:a housing having a tilt detection assembly;switch circuitry; anda radio-frequency identification (RFID) module coupled to the switch circuitry; andwherein responsive to the tilt detection assembly being subjected to a tilt event exceeding a threshold, the switch circuitry causes a change in a value output by the RFID module when activated.2. The tilt indicator of claim 1 , wherein the tilt detection assembly includes a receptacle containing a mass member claim 1 , and wherein response to the tilt detection assembly being subjected to the tilt event exceeding the threshold claim 1 , the mass member exits the receptacle to thereby cause the change in the value output by the RFID module.3. The tilt indicator of claim 1 , wherein the switch circuitry includes a plurality of conductive surfaces formed on a receptacle claim 1 , and wherein the receptacle is configured to support a conductive mass member therein claim 1 , and wherein the conductive mass member is configured to contact the plurality of conductive surfaces in an unactivated state of the tilt indicator.4. The tilt indicator of claim 1 , wherein the switch circuitry is configured to be in a state of either a closed circuit or an open circuit claim 1 , and responsive to the tilt detection assembly being subjected to the tilt event exceeding the threshold claim 1 , a change to the state occurs.5. The tilt indicator of claim 1 , wherein the RFID module includes a passive RFID module.6. The tilt indicator of claim 1 , wherein the switch circuitry includes:first and second conductive surfaces formed on a receptacle, and wherein ...

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25-09-2014 дата публикации

Construction laser system having a rotation laser and a laser receiver, with functionality for automatic determination of the laser receiver direction

Номер: US20140283397A1
Принадлежит: LEICA GEOSYSTEMS AG

A construction laser system includes a rotation laser and a laser receiver. To determine a direction in which the laser receiver lies in sight of the rotation laser, a digital code respectively assigned uniquely to the respective rotation angle ranges includes a state value sequence based on a defined sequence of states relating to the laser beam. In the respective rotation angle ranges, the corresponding sequence of states is respectively generated by successively occurring crossings of the respective rotation angle range. On the receiver side, an output signal is generated as a function of incidence of the laser beam. With the aid of an output signal sequence of successively generated output signals, which is acquired by the evaluation unit, the state value sequence corresponding to the acquired output signal sequence is identified, permitting final determination of the corresponding rotation angle range in which the laser receiver lies.

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20-07-2017 дата публикации

METHOD OF DESIGNING CONTAINER OF LIQUID REFLECTION INCLINATION SENSOR, INCLINATION SENSOR INCLUDING THE CONTAINER, AND METHOD OF PRODUCING INCLINATION SENSOR INCLUDING THE CONTAINER

Номер: US20170205233A1
Принадлежит:

A method of designing a container of a liquid reflection inclination sensor includes a liquid surface calculating step (S) that calculates a shape of a liquid surface of a liquid in a horizontal direction “x” and a vertical direction “y” by utilizing the Young-Laplace formula and the hydrostatic pressure formula, the liquid surface formed on a plate extending vertically and infinitely with respect to a horizontal part of the liquid surface, an optical simulation step (S) that obtains a light receiving pattern by reflecting a dark field pattern (′) irradiated from an imaginary light source (′) on an imaginary mirror plane (′) having the shape of the liquid surface, and a container adjusting step (S-S) that adjusts a shape of a cylindrical container () for enclosing the liquid by judging whether image accuracy of the light receiving pattern satisfies demanded sensor accuracy. 1. A method of designing a container of a liquid reflection inclination sensor , comprising:a liquid surface calculating step that calculates a shape of a liquid surface of a liquid in a horizontal direction “x” and a vertical direction “y” by utilizing the Young-Laplace formula and the hydrostatic pressure formula, the liquid surface formed on a plate extending vertically and infinitely with respect to a horizontal part of the liquid surface;an optical simulation step that obtains a light receiving pattern by reflecting a dark field pattern irradiated from an imaginary light source on an imaginary mirror plane having the shape of the liquid surface; anda container adjusting step that adjusts a shape of a cylindrical container for enclosing the liquid by judging whether image accuracy of the light receiving pattern satisfies demanded sensor accuracy.2. The method of designing a container of a liquid reflection inclination sensor according to claim 1 , whereinthe liquid surface calculating step comprises a second step that obtains an actual contact angle “θ1” of the liquid with the container, and ...

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18-06-2020 дата публикации

METHOD AND APPARATUS FOR CALIBRATING TRAILER MONITORING UNITS

Номер: US20200193639A1
Принадлежит:

An example trailer monitoring system includes a trailer monitoring unit including an image capture arrangement disposed within the trailer monitoring unit to capture first image data. An accelerometer is carried by the trailer monitoring unit is to generate acceleration data of the trailer monitoring unit. The trailer monitoring system also includes one or more processors configured to access the acceleration data and configured to compare the acceleration data to a reference acceleration data range to determine if the acceleration data is within the reference acceleration range. In response to the acceleration data being outside the reference acceleration data range, the one or more processors are to increase a tally of impact events associated with the trailer monitoring unit being impacted. In response to the tally satisfying a threshold, the one or more processors are to generate an alert indicative of the trailer monitoring unit requiring maintenance. 1. A trailer monitoring system , comprising: an image capture arrangement disposed within the trailer monitoring unit, the image capture arrangement configured to capture first image data; and', 'an accelerometer carried by the trailer monitoring unit, the accelerometer is configured to generate acceleration data of the trailer monitoring unit; and, 'a trailer monitoring unit, includingone or more processors configured to access the acceleration data and configured to determine a pitch value of the trailer monitoring unit based on the acceleration data, wherein the pitch value indicates a degree of deflection of the trailer monitoring unit relative to a horizontal plane,wherein based on the pitch value and the first image data, the one or more processors are configured to generate second image data, the second image data being generated to correct for a skew in the first image data resulting from the pitch value.2. The trailer monitoring system of claim 1 , wherein at least a portion of the one or more processors ...

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21-07-2016 дата публикации

METHOD AND APPARATUS FOR MULTIPLE TECHNOLOGY DEPTH MAP ACQUISITION AND FUSION

Номер: US20160212411A1
Принадлежит:

Systems, apparatus, and methods for generating a fused depth map from one or more individual depth maps, wherein the fused depth map is configured to provide robust depth estimation for points within the depth map. The methods, apparatus, or systems may comprise components that identify a field of view (FOV) of an imaging device configured to capture an image of the FOV and select a first depth sensing method. The system or method may sense a depth of the FOV with respect to the imaging device using the first selected depth sensing method and generate a first depth map of the FOV based on the sensed depth of the first selected depth sensing method. The system or method may also identify a region of one or more points of the first depth map having one or more inaccurate depth measurements and determine if additional depth sensing is needed. 1. An apparatus for generating a depth map , comprising:an imaging device configured to capture at least image of a scene in a field-of-view (FOV) of the imaging device;a plurality of depth sensing modules, each of the depth sensing modules configured to generate a depth map of the scene; and select a first depth sensing module from the plurality of depth sensing modules;', 'sense first depth information of the scene in a FOV of the imaging device using the first selected depth sensing module and the imaging device;', 'generate a first depth map based on the first depth information, the first depth map comprising a depth measurement for a plurality of points in the scene;', 'identify at least one region of one or more points of the first depth map having one or more inaccurate depth measurements; and', 'determine whether to perform additional depth sensing using a second selected depth sensing module of the plurality of depth sensing modules based on characteristics of the identified at least one region., 'a processing system comprising a processor, the processing system configured to2. The apparatus of claim 1 , wherein the ...

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28-07-2016 дата публикации

SYSTEM OF MEASURING THREE-DIMENSIONAL POSITION

Номер: US20160216110A1
Принадлежит:

A system including a pointing rod positioned on a measurement point X, a prism fixed at a position deviated by a first fixed length L from the measurement point X in an axial direction PP of the pointing rod , an inclination casing for fixing an analysis pattern located at a position deviated by a second fixed length L from the prism in an axial direction of the pointing rod and is perpendicular to a surface with respect to the axial direction of the pointing rod , and a survey machine having an image-taking section , a section of measuring a distance to the prism, and a section of measuring an angle . The position of the measurement point is measured from a position of the prism , an inclination direction A of the pointing rod , and the first fixed length L 1. A system of measuring a three-dimensional position of a measurement point ,the system comprising:a pointing rod positioned on the measurement point;a prism fixed at a position deviated by a known first fixed length from the measurement point in an axial direction of the pointing rod;an inclination casing for fixing an analysis pattern which is located at a position deviated by a known second fixed length from the prism in the axial direction of the pointing rod and is located on a plane perpendicular to the axial direction of the pointing rod; anda survey machine including a section of measuring a distance to the prism, a section of measuring an angle, and an image-taking section,the three-dimensional position of the measurement point being measured from a three-dimensional position of the prism obtained in the sections of measuring the distance and the angle, an inclination direction of the pointing rod obtained from an image obtained by imaging the inclination casing by means of the image-taking section, and the first fixed length.2. A system of measuring a three-dimensional position of a measurement point ,the system comprising:a pointing rod positioned on the measurement point;a prism fixed at a position ...

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04-07-2019 дата публикации

Vision Laser Receiver

Номер: US20190204078A1
Принадлежит: TOPCON POSITIONING SYSTEMS, INC.

A vision laser receiver having a sensing surface with a fixed geometry such that laser light received by the sensing surface will illuminate a particular section of the sensing surface and the precise elevation and/or tilt of the laser receiver will be determined from the illumination of the sensing surface. 1. A laser receiver comprising:a light receptive surface having a fixed geometry;an image sensor for detecting an illumination of the light receptive surface; anda processor for determining an elevation using the illumination of the light receptive surface detected by the image sensor.2. The laser receiver of wherein the fixed geometry of the light receptive surface is one of a cone claim 1 , rectangle claim 1 , sphere claim 1 , ellipsoid claim 1 , and paraboloid.3. The laser receiver of wherein a tilt angle is determined by the processor using the illumination of the light receptive surface.4. The laser receiver of wherein the illumination of the light receptive surface manifests as an arc with a fixed radius.5. The laser receiver of wherein the illumination of the light receptive surface manifests as an ellipse.6. The laser receiver of wherein the light receptive surface is defined by a plurality of pixels.7. The laser receiver of wherein the image sensor is one of a charge-coupled device (CCD) claim 1 , digital camera and CMOS image sensor.8. The laser receiver of wherein vision recognition is applied in the determining the elevation using the illumination of the light receptive surface detected by the image sensor.9. The laser receiver of wherein the vision recognition determines a position of the illumination on the light receptive surface using at least one pixel of the plurality pixels.10. The laser receiver of wherein the image sensor is configured external to the light receptive surface.11. The laser receiver of wherein the image sensor is configured internal to the light receptive surface.12. The laser receiver of further comprising:a mirror for use in ...

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16-10-2014 дата публикации

Surveying System

Номер: US20140304995A1
Принадлежит: KABUSHIKI KAISHA TOPCON

The invention provides a surveying system, which comprises an electronic level and staff devices belonging to either one of two or more groups, wherein the staff device has staffs with bar codes corresponding to groups, to which a staff belongs, and mobile station devices installed on the staffs, wherein the mobile station device has a mobile station display unit to display working data and a mobile station communication unit for performing wireless communication to and from the electronic level, wherein the electronic level has an image pickup unit for acquiring images within a range of working, a control device for extracting staff images from the images, for identifying as to which group the bar code pattern of the extracted staff image belongs and for determining three-dimensional position of the staff based on the staff image, and a main communication unit for transmitting the three-dimensional position obtained to the mobile station device, and wherein the mobile station device displays the relation between the three-dimensional position of the staff as received and the working data on the mobile station display unit. 1. A surveying system , comprising an electronic level and staff devices belonging to either one of two or more groups , wherein said staff device has staffs with bar codes corresponding to groups , to which a staff belongs , and mobile station devices installed on said staffs ,wherein said mobile station device has a mobile station display unit to display working data and a mobile station communication unit for performing wireless communication to and from said electronic level,wherein said electronic level has an image pickup unit for acquiring images within a range of working, a control device for extracting staff images from the images, for identifying as to which group the bar code pattern of the extracted staff image belongs and for determining three-dimensional position of said staff based on said staff image, and a main communication unit ...

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13-08-2015 дата публикации

MOTION SENSOR DEVICE HAVING PLURALITY OF LIGHT SOURCES

Номер: US20150226553A1

A motion sensor device according to an embodiment of the present disclosure includes: an image sensor (); first and second light sources (); and a controller () configured to control the image sensor () and the first and second light sources (). The controller () makes the image sensor capture a first frame with light emitted from the first light source at a first time, makes the image sensor capture a second frame with light emitted from the second light source at a second time, performs masking processing on a first image gotten by capturing the first frame and on a second image gotten by capturing the second frame based on a difference between the first and second images, and obtain information about the distance to an object shot in the first and second images based on the first and second images that have been subjected to the masking processing. 1. A motion sensor device comprising:an image sensor;first and second light sources; anda controller configured to control the image sensor and the first and second light sources,wherein the controller is configured to:make the image sensor capture a first frame with light emitted from the first light source at a first time;make the image sensor capture a second frame with light emitted from the second light source at a second time;perform masking processing on a first image gotten by capturing the first frame and on a second image gotten by capturing the second frame based on a difference between the first and second images; andobtain information about the distance to an object shot in the first and second images based on the first and second images that have been subjected to the masking processing.2. The motion sensor device of claim 1 , wherein the masking processing is processing of removing an area in which the difference in luminance value between a pixel in the first image and its corresponding pixel in the second image is smaller than a threshold value from the first and second images.3. The motion sensor ...

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03-08-2017 дата публикации

FABRY-PEROT(F-P) SENSOR

Номер: US20170219343A1
Принадлежит:

The present invention provides a Fabry-Perot sensor for measuring inclination. Wherein the present inclinometer is fixed on a static detected object in application use, the mass block is flexibly connected to the top plate, thus the line between the center of gravity of the mass block and the connecting point on the top plate is perpendicular to the horizontal plane; a Fabry-Perot cavity is formed between the reflecting surface disposed at one end of the mass block and the end of the optic fiber. The detected object will be in a static state after tilting, the line between the center of gravity of the mass block and its connecting point on the top plate is still perpendicular to the level plane and the F-P cavity length will have a variation. Then the change of cavity length can be measured in accordance with the Fabry-Perot principle, thereby the tilting angle of the mass block is able to be further measured. Then the tilting angle is also the inclination of the detected object. The sensor provided in present invention has advantages such as simplicity, convenience and high precision and has wide application prospective. 1. A Fabry-Perot (F-P) sensor , comprising a top plate , a mass block , the first connector and the first optic fiber , is characterized in that:the top of said mass block is flexibly connected to the top plate and the first reflecting surface is disposed at one side of the mass block;one end of the first connector is rigidly connected to the top plate and the other end is fixedly connected to the first optic fiber; the end of the first fiber provided with the first reflecting end face is directly facing to the first reflecting surface, thus the first F-P cavity is formed between the first reflecting surface and the first reflecting end face, when the inclinometer has an inclination, the top plate will slant with it and further drive the first connector to have tilt, and the first reflecting end face will move and rotate, but the mass block will ...

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03-08-2017 дата публикации

Electronic Circuit for Acousto-Optoelectronic Angle Indication and Level Gauge Thereof

Номер: US20170219344A1
Автор: Zhuang Chengrong
Принадлежит:

The present invention discloses an electronic circuit for acousto-optoelectronic angle indication and a level gauge thereof. The electronic circuit for acousto-optoelectronic angle indication comprises a main control circuit (a), a power circuit (b), a key circuit (c), a sensor module circuit (d), an LED indicator module circuit (e), a buzzer module circuit (f) and a data storage module (g). The control circuit (a) comprises a microcontroller (U), a capacitor (C), a capacitor (C), a capacitor (C), a capacitor (C), a capacitor (C), a capacitor (C), an electrolytic capacitor (E), a resistor (R), a resistor (R) and a resistor (R). The invention realizes an acousto-optoelectronically indicated design circuit device with high precision, so that the current angular value state can be accurately displayed through acoustic and photoelectric changes by simply placing a measuring device on a test plane. 1. An electronic circuit for acousto-optoelectronic angle indication , comprising: a main control circuit (a) , a power circuit (b) , a key circuit (c) , a sensor module circuit (d) , an LED indicator module circuit (e) , a buzzer module circuit (f) and a data storage module (g);{'b': 2', '2', '3', '4', '5', '6', '8', '1', '11', '12', '20', '2', '2', '2', '2', '3', '6', '12', '2', '3', '6', '12', '11', '8', '2', '11', '8', '2', '20', '1', '5', '5', '1', '20', '4', '2, 'wherein the control circuit (a) comprises a microcontroller (U), a capacitor (C), a capacitor (C), a capacitor (C), a capacitor (C), a capacitor (C), a capacitor (C), an electrolytic capacitor (E), a resistor (R), a resistor (R) and a resistor (R), one end of the capacitor (C) is connected with the 6th pin of the microcontroller (U), and the other end of the capacitor (C) is grounded; the 5th pin of the microcontroller (U) is connected with a +2.4V power supply, and connected with one end of the capacitor (C), one end of the capacitor (C), one end of the resistor (R) and the 9th pin of the microcontroller (U) in ...

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02-08-2018 дата публикации

INCLINATION MEASURING DEVICE

Номер: US20180216933A1
Принадлежит: Omron Corporation

Provided is an inclination measuring device with excellent convenience. 1. An inclination measuring device comprising:a light source;an optical system disposed with respect to an irradiated light ray from the light source, and configured to irradiate a measurement object with the irradiated light ray and receive a reflected light ray from a measurement surface of the measurement object;a light receiving unit including at least one spectroscope configured to separate the reflected light ray received by the optical system into wavelength components, and a detector having a plurality of light receiving elements corresponding to directions of the light rays separated by the spectroscope;a light guide including a plurality of cores and configured to optically connect between the optical system and the light receiving unit; anda processor configured to calculate an inclination angle of the measurement surface against an optical axis of the irradiated light ray based on reflected light rays from a plurality of positions on the measurement surface with respect to a plurality of irradiated light rays with which the plurality of positions are irradiated.2. The inclination measuring device according to claim 1 , wherein the processor calculates the inclination angle of the measurement surface based on distances between the respective plurality of positions and a light receiving surface of the optical system with respect to the reflected light rays from the respective plurality of positions claim 1 , and a relative distance between the plurality of cores as to the plurality of irradiated light rays with respect to the plurality of positions.3. The inclination measuring device according to claim 1 , wherein claim 1 , when the inclination angle of the measurement surface is larger than or equal to a predetermined threshold claim 1 , the processor notifies a user that the inclination angle is larger than or equal to the predetermined threshold.4. The inclination measuring device ...

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20-08-2015 дата публикации

DRIVER INTERFACE FOR A VEHICLE COMBINATION METER

Номер: US20150234580A1

A computing device and methods for operating a driver interface for a vehicle combination meter are disclosed. One example method includes receiving, from a driver, an indication of an icon selection. The icon can represent the vehicle combination meter. The method further includes sending, for display in the driver interface and in response to the indication selecting the icon for the vehicle combination meter, vehicle status information associated with a first vehicle system. The first vehicle system can be associated with off-road operation of a vehicle. The method further includes receiving, from the driver, an indication requesting navigation within the driver interface to additional vehicle status information and sending, for display in the driver interface and in response to the indication requesting navigation within the driver interface, vehicle status information associated with a second vehicle system. The second vehicle system can be associated with off-road operation of the vehicle. 1. A computer-implemented method of displaying a driver interface for a vehicle combination meter , comprising:receiving, from a driver, an indication of an icon selection, the icon representing the vehicle combination meter;sending, for display in the driver interface and in response to the indication selecting the icon for the vehicle combination meter, vehicle status information associated with a first vehicle system, the first vehicle system associated with off-road operation of a vehicle;receiving, from the driver, an indication requesting navigation within the driver interface to additional vehicle status information; andsending, for display in the driver interface and in response to the indication requesting navigation within the driver interface, vehicle status information associated with a second vehicle system, the second vehicle system associated with off-road operation of the vehicle.2. The method of claim 1 , wherein the first vehicle system is an inclination ...

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09-08-2018 дата публикации

Inclination derivation device and method

Номер: US20180224951A1
Автор: Hideo Nakaya
Принадлежит: LG Display Co Ltd

An inclination derivation device of a pointer of a pen shape, is discussed with the pointer including a first electrode installed at an end of an axis and a second electrode installed around the axis. The inclination derivation device includes a sensor of a plane shape that detects a position of the first electrode and a position of the second electrode, and a control portion. The control portion includes a look-up table (LUT) in which a corresponding relation of a value based on a difference between the position of the first electrode and the position of the second electrode, and a compensation value that becomes a base of an inclination of the axis of the pointer is registered; an input value calculation portion that calculates and inputs the value based on the difference to the LUT; and an inclination derivation portion that derives the inclination from the compensation value output from the LUT.

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18-08-2016 дата публикации

Posture Detecting Device And Data Acquiring Device

Номер: US20160238708A1
Принадлежит: Topcon Corp

The invention provides a posture detecting device, which comprises a tilt detecting unit as rotatably supported around two shafts perpendicular each other to an outer frame and for detecting a tilting from the horizontal, encoders provided on each of the shafts, motors provided so as to rotate each shaft, and a first arithmetic processing unit for driving/controlling the motor based on a detection result from the tilt detecting unit, wherein the first arithmetic processing unit drives the motors so that the tilt detecting unit detects the horizontal based on a signal from the tilt detecting unit when the outer frame is tilted and calculates a posture of the outer frame based on outputs of the encoders when the tilt detecting unit detects the horizontal.

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16-08-2018 дата публикации

Liquid level detector

Номер: US20180231412A1
Принадлежит: Aspen Pumps Ltd

A liquid level detector for use in a pump control system comprises a chamber 20 for liquid, a liquid inlet 6 to the chamber 20, a liquid outlet 7 from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

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25-07-2019 дата публикации

GRASPING DEVICE AND ALARM METHOD THEREOF

Номер: US20190226844A1
Принадлежит:

The present disclosure provides a grasping device and an alarm method thereof. The grasping device includes: a bendable support part; a bend limiting support part that supports the bendable support part and limits bending of the bendable support part in a first direction, but allows bending of the bendable support part in a second direction opposite to the first direction; a plurality of suction members located on a side of the bend limiting support part away from the bendable support part and connected to the bendable support part. 1. A grasping device , comprising:a bendable support part;a bend limiting support part that supports the bendable support part and limits bending of the bendable support part in a first direction, but allows bending of the bendable support part in a second direction opposite to the first direction;a plurality of suction members located on a side of the bend limiting support part away from the bendable support part and connected to the bendable support part.2. The grasping device according to claim 1 , further comprising:a level detection part disposed on the bendable support part.3. The grasping device according to claim 2 , whereinthe level detection part comprises a light emitter and a light receiver; andthe light emitter and the light receiver are both disposed on a side of the bendable support part away from the bend limiting support part, and are spaced apart from each other.4. The grasping device according to claim 3 , whereinthere are a plurality of bendable support parts;the plurality of bendable support parts include a first bendable support part and a second bendable support part that are spaced apart from each other;the light receiver includes a first receiver disposed on the first bendable support part, and a second receiver disposed on the second bendable support part;the light emitter includes a first emitter rotatably disposed on the first bendable support part; andan optical signal emitted by the first emitter rotated to ...

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25-07-2019 дата публикации

Digital Level

Номер: US20190226845A1
Принадлежит:

A tool, such as a digital level, having multiple methods of indicating the orientation of the level. One embodiment of the level includes two or more accelerometers arranged in complimenting orientations, such as 90 degrees with respect to each other. The complimenting orientation allows for more precise measurements from less expensive accelerometers compared to a level with a single more expensive accelerometer. A power supply module, and an associated control module in charge of the power supply, selectively provides power to the accelerometers and displays based in part on user input, movement of the level, and the disposition of the level. 1. A level comprising:a housing comprising a longitudinal axis;a planar base surface;a top surface opposing the base surface;an orientation sensor configured to measure an orientation of the housing with respect to a perceived direction of the force of gravity;a controller that calculates an orientation difference between the housing orientation and a target orientation; anda display that emits an image that corresponds to the orientation difference, the display rotating the image in response to a rotation of the housing so that the image maintains a consistent orientation with respect to the perceived direction of the force of gravity.2. The level of claim 1 , the orientation sensor comprising at least two accelerometers rotationally oriented relative to each other such that the two accelerometers have different orientations with respect to the housing.3. The level of claim 1 , the orientation sensor comprising first and second accelerometers claim 1 , the first accelerometer comprising an orientation that is rotated 90 degrees compared to an orientation of the second accelerometer.4. The level of claim 1 , wherein the image comprises alphanumeric characters that are indicative of the housing orientation.5. The level of claim 1 , the image comprises a level mark that indicates a plane perpendicular to the force of gravity ...

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26-08-2021 дата публикации

METHOD FOR CONTROLLING HANDHELD GIMBAL, AND HANDHELD GIMBAL

Номер: US20210263394A1
Автор: HAO Yi, SU Tie
Принадлежит:

The present disclosure provides a method for controlling a handheld gimbal and a handheld gimbal. The method for controlling a handheld gimbal includes: upon rotation of a handheld gimbal, obtaining current attitude information of a photographing device and current attitude information of a handle; according to the current attitude information of the photographing device and the current attitude information of the handle, obtaining target attitude information of the photographing device; according to the current attitude information of the photographing device and the target attitude information, controlling a shaft joint of the handheld gimbal to rotate so that the attitude of the photographing device follows the attitude of the handle. 1. A method for controlling a handheld gimbal , comprising:upon rotation of a handheld gimbal, obtaining current attitude information of a photographing device and current attitude information of a handle;obtaining target attitude information of the photographing device according to the current attitude information of the photographing device and the current attitude information of the handle; andaccording to the current attitude information of the photographing device and the target attitude information, controlling a shaft joint of the handheld gimbal to rotate so that the attitude of the photographing device follows the attitude of the handle.2. The method according to claim 1 , wherein obtaining the current attitude information of the handle comprises:obtaining historical attitude information of the photographing device before the rotation of the handheld gimbal, and a rotation angle corresponding to a shaft joint on the handheld gimbal in a body coordinate system of the photographing device; andobtaining the current attitude information of the handle according to the historical attitude information and the rotation angle.3. The method according to claim 2 , wherein obtaining the current attitude information of the handle ...

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17-09-2015 дата публикации

METHOD AND APPARATUS FOR DETERMINING THE DISTANCE OF A LIGHT BEAM FROM A POINT ON A SURFACE OF AN OBJECT

Номер: US20150260515A1
Принадлежит:

The invention relates to a method and an apparatus () for determining the distance between a light beam () and a point () on an object surface () using a light sensor () with a planar measuring field (), the method comprising Steps A to E, and the apparatus () being configured so as to perform the method. 11012141618. Method for determining the distance from a light beam () to a point () on a surface of an object () by means of a light sensor () with a planar measuring field () , comprising the following steps:{'b': 18', '10', '18, '(A) Positioning of the measuring field () such that the light beam () strikes the measuring field (),'}{'b': 18', '22', '10', '20', '22', '20', '10', '18', '24', '20', '22', '12', '14', '20', '10', '18, '(B) Pivoting of the measuring field () about a first pivot axis (), which runs parallel to and at a distance from the light beam (), and pivoting of the measuring field about at least one second pivot axis () while the measuring field is pivoted about the first pivot axis (), wherein the second pivot axis () is skew to the light beam (), wherein the measuring field () is pivoted about the common point of intersection () of the second pivot axis () and the first pivot axis () when pivoting, which has a predefined position relative to the point () on the object surface (), and wherein, when pivoting about the second pivot axis (), a pivot position in which the light beam () is oriented perpendicularly to the measuring field () is traversed at least three times,'}{'b': 26', '10', '18', '16', '26', '18, '(C) Capturing of the positions of the point of light () of the light beam () on the measuring field () by the light sensor (), which the point of light () assumes on the measuring field () during pivoting in accordance with Step B,'}{'b': 18', '28', '24', '24, '(D) Determining of the positions among those captured in step C which describe on the measuring field () a circular arc () having a distance to the point of intersection () less than ...

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06-09-2018 дата публикации

ILLUMINATED HAIRCUTTING SHEARS

Номер: US20180250840A1
Автор: LYDICK JOHN C.
Принадлежит:

The illuminated haircutting shears includes a pair of cutting blades, a light source, a light strip, and an energy source in communication with the light source. A microcontroller and an accelerometer positioned in communicating relation with the microcontroller may also be provided. In use, the accelerometer generates acceleration signals which are communicated to the light strip via the microcontroller. In response, a respective color of light illuminates to indicate the position of the shears, e.g., 0° (e.g. horizontal), 45° (e.g. diagonal), or 90° (e.g. vertical). 1. A pair of illuminated haircutting shears , comprising:first and second opposed blades pivotally secured to one another;at least one light source mounted on the first blade;a variable light strip in communication with the at least one light source; anda controller mounted on the first blade, the controller being in electrical communication with the angle sensor and the at least one light source, wherein the controller selectively generates a signal to actuate the at least one light source for producing light in a selected one of a plurality of different colors,.2. The pair of illuminated haircutting shears as recited in claim 1 , wherein the at least one light source comprises a variable color light emitting diode.3. The pair of illuminated haircutting shears as recited in claim 1 , further comprising an angle sensor claim 1 , the selected one of the plurality of different colors corresponding to an angle measured by the angle sensor.4. The pair of illuminated haircutting shears as recited in claim 3 , wherein the angle sensor comprises an accelerometer.5. The pair of illuminated haircutting shears as recited in claim 1 , wherein each of the first and second opposed blades comprises a cutting portion and a handle portion.6. The pair of illuminated haircutting shears as recited in claim 1 , further comprising a battery attached to the first blade claim 1 , the battery being in electrical communication ...

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07-09-2017 дата публикации

LAWN MOWER BLADE LEVELING DEVICE

Номер: US20170254643A1
Автор: Telliard Jonathan
Принадлежит:

A blade balancing device comprises a base member including an upwardly extending pin and a hollow cone configured to rest on the pin of the base member. The hollow cone includes a leveling element disposed at an apex thereof. The leveling element is configured to provide visual indication of a tilt of a lawnmower blade disposed on the hollow cone relative to a gravity direction. 1. A blade balancing system comprising:a. a base member having a pin extending upward from a central axis of the base member;b. a hollow cone having an interior apex and an exterior apex, wherein the pin pivotally engages the interior apex of the hollow cone, and wherein the hollow cone engages one or more apertures of a blade; andc. a leveling element in communication with the exterior apex, wherein the leveling element comprises a visual indicator, wherein the visual indicator provides indication of a tilt of the blade relative to a gravity direction when the blade is engaged with the hollow cone, and wherein a user modifies the blade based on the indication from the leveling element.2. The system of claim 1 , wherein the leveling element is cylindrical claim 1 , and wherein the visual indicator comprises a fluid chamber having a gas bubble disposed therein.35. The system of claim claim 1 , wherein the visual indicator is a light or color indicator.4. The system of claim 2 , wherein the user modifies the blade using a method comprising the steps of:a. the user placing the base member on a surface, wherein the base member is placed on a surface with the pin extending upward relative to the base and the surface;b. the user placing the hollow cone onto the pin, wherein the pin matingly engages an interior of the hollow cone;c. zeroing out the hollow cone, wherein the user allows the hollow cone to rest on the pin, wherein the hollow cone is at zero when the visual indicator is coaxially aligned with the pin;d. the user placing a blade over the exterior apex of the hollow cone, wherein the ...

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30-09-2021 дата публикации

LEVEL

Номер: US20210302159A1
Автор: SAKAKIBARA Yoshiya
Принадлежит: WAKO ELECTRIC CO., LTD.

A level including a sensor that detects a tilt angle; a display unit including a plurality of strip-shaped display members that linearly emits light by an LED to display the tilt angle; and a controller that receives an output signal from the sensor and outputs a control signal so that a specific strip-shaped display member glows. The strip-shaped display members include one horizontal strip-shaped display member positioned at a middle of the display unit and a plurality of strip-shaped display members for tilt-angle display that has tips bent toward a center of the display unit. LEDs are attached to ends of the strip-shaped display members, respectively, and a pair of strip-shaped display members which is point-symmetrical with respect to the center of the display unit simultaneously glows according to the tilt angle. 1. A level comprising:a sensor that detects a tilt angle;a display unit including a plurality of strip-shaped display members that emits light linearly by an LED and displays the tilt angle; anda control circuit that receives a signal from the sensor and outputs a control signal so that a specific strip-shaped display member glows.2. The level according to claim 1 , wherein the strip-shaped display members include one horizontal strip-shaped display member positioned at a middle of the display unit and a plurality of strip-shaped display members for tilt-angle display that has tips bent toward a center of the display unit claim 1 , wherein each of the strip-shaped display members has an LED attached to an end claim 1 , and a pair of strip-shaped display members provided to be point-symmetrical with respect to the center of the display unit simultaneously glows according to the tilt angle.3. The level according to claim 1 , wherein LEDs of different colors are attached to ends of the respective strip-shaped display members.4. The level according to claim 1 , wherein the level is configured to emit different sounds corresponding to light emissions of ...

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06-09-2018 дата публикации

TILT SENSOR

Номер: US20180252523A1
Принадлежит:

A tilt sensor for signaling when the tilt sensor is not vertical. The tilt sensor includes a metallic ball that is free to move and capable of resting at a low point when the tilt sensor is vertical. A proximity sensor directed at the low point communicates when the metallic ball has deviated from its position of repose, indicating that the sensor is no longer vertical. 1. A tilt sensor for signaling when the tilt sensor is not vertical , comprising:a chamber defined by a top chamber end, a bottom chamber end, a first axis running from said top chamber end to said bottom chamber end, and one or more chamber walls connecting said top chamber end and said bottom chamber end;a low point located within said chamber;a metallic ball within said chamber, said metallic ball free to move about said chamber such that, when said first axis is vertical, said metallic ball will come to rest at said low point; andan inductive sensor, said inductive sensor attached to said chamber and directed at said low point such that, when said first axis is vertical, said inductive sensor detects the presence of said metallic ball in said low point;wherein, upon failing to detect the presence of said metallic ball, said inductive sensor transmits a signal that said metallic ball is not in said low point.2. The tilt sensor of wherein said inductive sensor is attached to a prox holder configured to securely hold said inductive sensor.3. The tilt sensor of wherein said prox holder is located within said chamber.4. The tilt sensor of wherein said prox holder is removable from said chamber.5. The tilt sensor of wherein said low point is located on an interior surface of said bottom chamber end.6. The tilt sensor of wherein said low point is defined as the apex of an inverted cone.7. The tilt sensor of wherein the interior of said chamber is cylindrical.8. A tilt sensor for signaling when the tilt sensor is not vertical claim 1 , comprising:a chamber having a cylindrical interior and defined by a ...

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06-08-2020 дата публикации

POSITION INDICATOR, POSITION INDICATING DEVICE, AND DETECTION METHOD OF TILT OF POSITION INDICATOR

Номер: US20200249792A1
Автор: Katsurahira Yuji
Принадлежит:

A position indicator includes a housing and a first electrode and a second electrode disposed on a side of one end of the housing and a signal generating circuit which, in operation, generates a signal supplied to at least the first electrode. A capacitive interaction between the first electrode and a sensor of a position detecting device formed through supply of the signal to the first electrode. The second electrode surrounds the first electrode and the first electrode is partially exposed from the second electrode in an axial direction of the housing. The position indicator includes a signal transmission control circuit that is coupled to the second electrode and that, in operation, controls the second electrode to change the capacitive interaction between the first electrode and the sensor formed through supply of the signal from the signal generating circuit to the first electrode. 1. A position indicator comprising:a housing;a first electrode and a second electrode disposed on a side of one end of the housing, wherein the second electrode surrounds the first electrode and the first electrode is partially exposed from the second electrode in an axial direction of the housing;a signal generating circuit which, in operation, generates a signal supplied to at least the first electrode, a capacitive interaction between the first electrode and a sensor of a position detecting device being formed through supply of the signal to the first electrode; anda signal transmission control circuit that is coupled to the second electrode and that, in operation, controls the second electrode to change the capacitive interaction between the first electrode and the sensor formed through supply of the signal from the signal generating circuit to the first electrode.2. The position indicator according to claim 1 , wherein the signal transmission control circuit includes an inductance circuit coupled to the second electrode and the signal transmission control circuit claim 1 , in ...

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21-10-2021 дата публикации

SENSOR SWITCH

Номер: US20210325180A1
Автор: CHOU Tien-Ming
Принадлежит:

A sensor switch includes a base unit having bottom, top and intermediate layer assemblies cooperating with each other to define a chamber. The intermediate layer assembly has an intermediate layer inner peripheral surface. A conducting unit includes a plurality of inner and outer conducting elements. Each inner conducting element has a first conducting section. The first conducting sections of the inner conducting elements are disposed on the intermediate layer inner peripheral surface in an angularly spaced apart manner. Each outer conducting element is connected to the first conducting section of a corresponding inner conducting element. A conductive member is rollably disposed in the chamber. 1. A sensor switch comprising:a base unit made from a plurality of raw ceramic blanks that are sintered after being stacked, said base unit including a bottom layer assembly, a top layer assembly opposite to said bottom layer assembly in a top-bottom direction, and an inter-mediate layer assembly connected between said bottom layer assembly and said top layer assembly and cooperating with said bottom layer assembly and said top layer assembly to define a chamber having an axis parallel to the top-bottom direction, said intermediate layer assembly having an intermediate layer inner peripheral surface surrounding an intermediate part of said chamber, one of said bottom layer assembly and said top layer assembly having a first mounting surface disposed on an outer side thereof and distal to said chamber;a conducting unit made of metal and including a plurality of inner conducting elements and a plurality of outer conducting elements, each of said inner conducting elements having a first conducting section, said first conducting sections of said inner conducting elements being disposed on said intermediate layer inner peripheral surface in an angularly spaced apart manner, each of said outer conducting elements being connected to said first conducting section of a corresponding ...

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21-10-2021 дата публикации

METHOD FOR VISUALIZING AN INCLINATION OF A MOTOR VEHICLE IN THE MOTOR VEHICLE

Номер: US20210325181A1
Принадлежит: VOLKSWAGEN AKTIENGESELLSCHAFT

A method for visualizing an inclination of a motor vehicle in the motor vehicle, in which the inclination of the motor vehicle is measured and made visible in the interior of the motor vehicle. The inclination is made visible by interior lighting of the motor vehicle. At least one virtual plane is formed, which intersects the motor vehicle horizontally when the latter is in a horizontal position and serves as a reference plane for displaying the inclination. Changes in the inclination of the motor vehicle are modeled dynamically by the interior lighting by the sequential and/or parallel activation of illuminants of the interior lighting. 1. A method for visualizing an inclination of a motor vehicle in the motor vehicle , the method comprising:measuring the inclination of the motor vehicle;making the inclination visible in the interior of the motor vehicle via interior lighting arranged in the motor vehicle;forming at least one virtual plane that intersects the motor vehicle horizontally when the vehicle is in a horizontal position and serves as a reference plane for the display of the inclination; andmodeling dynamically changes in the inclination of the motor vehicle by the interior lighting by a sequential and/or a parallel activation of illuminants of the interior lighting.2. The method according to claim 1 , wherein the inclination of the motor vehicle is made visible in the manner of a spirit level displaying an inclination claim 1 , wherein the movement of an air bubble in a fluid of a spirit level is modeled by at least one area of visualization produced by activating the illuminants claim 1 , which area moves analogously to the air bubble counter to the direction of inclination of the virtual plane when said virtual plane claim 1 , which is coupled to the motor vehicle in terms of movement claim 1 , inclines.3. The method according to claim 1 , wherein the visualization of the inclination of the motor vehicle is modeled on the movement of a virtual fluid ...

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22-08-2019 дата публикации

Laser scanner with photogrammetry shadow filling

Номер: US20190257642A1
Автор: Gerrit HILLEBRAND
Принадлежит: Faro Technologies Inc

A three-dimensional (3D) measuring device and a method are provided. The measuring device includes a processor system including a scanner controller. A housing is provided with a 3D scanner that is coupled to the processor system. The scanner determining a first distance to a first object point and cooperating with the processor system to determine 3D coordinates of the first object point. The measuring device further includes a photogrammetry camera coupled to the housing, the photogrammetry camera having a lens and an image sensor that define a field of view. The photogrammetry camera is arranged to position the field of view at least partially in a shadow area, the shadow area being outside of the scan area.

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04-11-2021 дата публикации

Laser Leveling Tool with Gesture Control

Номер: US20210341287A1
Принадлежит:

A laser leveling tool comprising: gesture control means comprises at least one sensor adapted to sense gestures and/or movements of a user; and a controller in communication with the gesture control means for receiving signals from the sensor and generating control commands for the tool based on the received signals, the control commands comprising at least ON/OFF states of laser beam patterns that the tool can project.

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20-09-2018 дата публикации

Bicycle electric device

Номер: US20180268668A1
Автор: Toshio Tetsuka
Принадлежит: Shimano Inc

A bicycle electric device is basically provided to a bicycle crank assembly. The bicycle electric device includes an indicator a process and at least one of a position sensor and a strain sensor configured to be provided on the bicycle crank assembly. The indicator is configured to generate a user signal indicating that a crank arm of the bicycle crank assembly is at a predetermined angular position. The position sensor the strain sensor are configured to be provided on the bicycle crank assembly to detect information of the crank arm. The processor is configured to process information detected by the at least one of the position sensor and the strain sensor to calculate angular force information of the crank arm.

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29-09-2016 дата публикации

Inclination detection method, inclination detection apparatus, and equipment for detecting inclination

Номер: US20160280036A1
Автор: Tadaaki Ishikawa
Принадлежит: HITACHI LTD

An inclination detection apparatus detects the inclination of a mobile body with three marker rods having different inclinations with respect to one another. The mobile body is provided with a laser range finder irradiating surrounding objects with a laser beam to light a point on each of the three marker rods as a reflection point from which the laser beam is reflected back. The inclination detection apparatus includes a processor and a storage device storing relative positional information of the three marker rods. The processor obtains positional information of reflection points, obtains relative positions of the reflection points on the three marker rods by determining points on the three marker rods corresponding to the obtained positional information based on the relative positional information of the three marker rods, and identifies an inclination plane including the obtained relative positions of the reflection points as the inclination of the mobile body.

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28-09-2017 дата публикации

LEVELING DEVICE ASSEMBLY FOR A HYDRAULIC HAMMER

Номер: US20170274515A1
Автор: Frank Sonny
Принадлежит:

A leveling device assembly for use with a hydraulic hammer is provided. The leveling device assembly comprises a control unit, a leveling sensor in communication with the control unit, and a laser generator in communication with the control unit. Additionally, the laser generator is configured to produce a first colored light beam and a second colored light beam different from the first colored light beam. The control unit is further configured to cause the laser generator to produce the first colored light beam when the leveling sensor indicates the hydraulic hammer is in a substantially vertical position and produce the second colored light beam when the leveling sensor indicates the hydraulic hammer is in a substantially non-vertical position. 1. A leveling device assembly for a hydraulic hammer comprising:a control unit;a leveling sensor in communication with the control unit; anda laser generator in communication with the control unit and configured to produce a first colored light beam and a second colored light beam different from the first colored light beam;wherein the control unit is configured to cause the laser generator to produce the first colored light beam when the leveling sensor indicates the hydraulic hammer is in a substantially vertical position and produce the second colored light beam when the leveling sensor indicates the hydraulic hammer is in a substantially non-vertical position.2. The leveling device assembly of claim 1 , further comprising a shutoff valve operatively in communication with the control unit for operatively being in communication with a hydraulic system of the hydraulic hammer.3. The leveling device assembly of claim 2 , wherein the shutoff valve is configured to move to an open position when the leveling sensor indicates the hydraulic hammer is in a substantially vertical position and move to a closed position when the leveling sensor indicates the hydraulic hammer is in a substantially non-vertical position.4. The ...

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20-08-2020 дата публикации

Level with Digital Display

Номер: US20200263983A1
Принадлежит:

A tool, such as a digital level, includes displays on top and side surfaces of the level. The top surface display provides an additional visual means to communicate the orientation of the level by emitting any of several visual signals. A processor in the level determines a measured orientation of the level and sends a communication signal to the top surface display to emit a selected visual signal based on the measured orientation. 1. A level comprising:a planar base surface;a top surface opposing the base surface;a primary longitudinal axis;a first end of the level along the primary longitudinal axis;a second end opposing the first end;an orientation sensor configured to measure an orientation of one of the top and base surfaces with respect to the force of gravity;a primary display that displays a first image that corresponds to the measured orientation; anda secondary display that displays a second image that corresponds to the measured orientation.2. The level of claim 1 , wherein the secondary display displays plurality of images claim 1 , including the second image claim 1 , that correspond to the measured orientation.3. The level of claim 2 , wherein the plurality of images comprise the second image that indicates the first end should be raised relative to the second end claim 2 , a third image that indicates the first end should be lowered relative to the second end claim 2 , and a fourth image that indicates the first end is at a target orientation with respect to the second end4. The level of claim 3 , wherein the secondary display comprises a first display element and a second display element that are selectively illuminated to indicate a plurality of orientations of one of the top and base surfaces claim 3 , and wherein the first display element is illuminated in the first image and the second image but is not illuminated in the third image.5. The level of claim 4 , wherein the second display element is not illuminated in the first image and the second ...

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25-11-2021 дата публикации

Digital Level

Номер: US20210364286A1
Принадлежит:

A tool, such as a digital level, having multiple methods of indicating the orientation of the level. One embodiment of the level includes two or more accelerometers arranged in complimenting orientations, such as 90 degrees with respect to each other. The complimenting orientation allows for more precise measurements from less expensive accelerometers compared to a level with a single more expensive accelerometer. A power supply module, and an associated control module in charge of the power supply, selectively provides power to the accelerometers and displays based in part on user input, movement of the level, and the disposition of the level. 1. A level comprising:a housing comprising a longitudinal axis;a planar base surface extending parallel to the longitudinal axis;a first orientation sensor configured to measure an orientation of the housing with respect to the force of gravity, the first orientation sensor defining a first angular position relative to the planar base surface;a second orientation sensor configured to measure the orientation of the housing with respect to the force of gravity, the second orientation sensor defining a second angular position relative to the planar base surface, wherein the second angular position is oriented at a 90 degree angle with respect to the first angular position; anda controller that calculates an orientation of the housing based on the orientation measured by the first orientation sensor and the orientation measured by the second orientation sensor.2. The level of claim 1 , wherein the first orientation sensor is oriented at a 45 degrees angle in a first direction with respect to the base surface.3. The level of claim 2 , wherein the second orientation sensor is oriented at a 45 degrees angle in a second direction with respect to the base surface claim 2 , wherein the second direction is opposite the first direction.4. The level of claim 1 , wherein the first orientation sensor is oriented at a 30 degrees angle in a ...

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19-09-2019 дата публикации

IMAGING APPARATUS AND SOLID-STATE IMAGING DEVICE USED THEREIN

Номер: US20190287256A1
Принадлежит:

An imaging apparatus that is mounted on a vehicle that runs on a road surface includes: a light source that emits illumination light which is infrared light; a solid-state imaging device that images a subject and outputs an imaging signal indicating a light exposure amount; and a computator that computes subject information regarding the subject by using the imaging signal. The solid-state imaging device includes: first pixels that image the subject by receiving reflected light that is the illumination light reflected off the subject; and second pixels that image the subject by receiving visible light. Information indicated by an imaging signal outputted from the first pixels is information regarding a slope of the road surface, and information indicated by an imaging signal outputted from the second pixels is information regarding an appearance of the road surface. 1. An imaging apparatus that is mounted on a vehicle that runs on a road surface , the imaging apparatus comprising:a light source that emits illumination light which is infrared light;a solid-state imaging device that images a subject and outputs an imaging signal indicating a light exposure amount; anda computator that computes subject information regarding the subject by using the imaging signal,wherein the solid-state imaging device includes: first pixels that image the subject by receiving reflected light that is the illumination light reflected off the subject; and second pixels that image the subject by receiving visible light,information indicated by an imaging signal outputted from the first pixels is information regarding a slope of the road surface, andinformation indicated by an imaging signal outputted from the second pixels is information regarding an appearance of the road surface.2. The imaging apparatus according to claim 1 ,wherein the information regarding the appearance of the road surface is information regarding a roadside boundary.3. The imaging apparatus according to claim 1 , ...

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26-09-2019 дата публикации

Digital Level

Номер: US20190293420A1
Принадлежит:

A level, such as a digital level, with various features or embodiments, such as an ultrasonically welded lens covering a display screen, a pipe insert molded in front of a light sensor, one or more button assemblies, and cartridge assemblies that are used to secure compartments within the frame of a level. 1. A level comprising:a planar base surface;a top surface opposing the base surface;an orientation sensor configured to measure an orientation of one of the top and bottom surfaces with respect to a perceived direction of the force of gravity;a controller that calculates an orientation difference between the measured orientation and a target orientation; a primary channel;', 'a front surface defined by primary channel, the front surface in visual communication with an exterior of the level;', 'a light sensor that measures the brightness level; and', 'a light impediment between the light sensor and the primary channel, the light impediment configured to interfere with light transiting from the front surface to the light sensor; and, 'a light sensing module that measures a brightness level, the light sensing module comprisinga display that emits an image that corresponds to the orientation difference, the image comprising a brightness that is at least partly based on a measurement by the light sensor.2. The level of claim 1 , the primary channel comprising a longitudinal axis claim 1 , wherein each of the light sensor and the light impediment are aligned with the primary channel's longitudinal axis.3. The level of claim 2 , wherein a width of the light impediment is greater than a width of the light sensor.4. The level of claim 3 , the light sensing module comprising a side channel in visual communication with the primary channel claim 3 , wherein the side channel radially surrounds the light impediment.5. The level of claim 4 , wherein the light impediment is opaque to light.6. The level of claim 4 , the side channel defining a reflective interior surface that ...

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05-11-2015 дата публикации

SYSTEM FOR OUTPUTTING DEGREE OF INCLINATION OF ELECTRONIC DEVICE

Номер: US20150316372A1
Автор: Zhang Peng
Принадлежит:

A system includes a frequency signal generator, a capacitor sensor, a frequency-voltage converter, and a degree of inclination displaying device. The capacitor sensor can be attached to an electronic device and includes a variable capacitor having a capacitance which varies in dependence upon a degree of inclination of the electronic device. The frequency signal generator outputs a frequency signal to the frequency-voltage converter. The capacitor sensor outputs a capacitor signal to the frequency-voltage converter. The frequency-voltage converter outputs a voltage signal to the degree of inclination displaying device according to the frequency signal and the capacitor signal. The degree of inclination displaying device obtains the degree of inclination of the electronic device according to the voltage signal and displays the degree of inclination. 1. A system for outputting a degree of inclination of an electronic device , the system comprising:a frequency signal generator;a capacitor sensor attached to an electronic device, the capacitor sensor comprising a variable capacitor having a capacitance which varies in dependence upon the degree of inclination of the electronic device;a frequency-voltage converter coupled to the frequency signal generator and the capacitor sensor; anda degree of inclination displaying device coupled to the frequency-voltage converter;wherein the frequency signal generator is configured to output a frequency signal to the frequency-voltage converter, the capacitor sensor is configured to output a capacitor signal to the frequency-voltage converter, the frequency-voltage converter is configured to output a voltage signal to the degree of inclination displaying device according to the frequency signal and the capacitor signal, and the degree of inclination displaying device is configured to obtain the degree of inclination of the electronic device according to the voltage signal and display the degree of inclination.2. The system of claim 1 ...

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05-11-2015 дата публикации

LONG BASE INCLINOMETER WITH OPTICAL MEASUREMENT

Номер: US20150316373A1
Автор: BOUDIN FREDERICK
Принадлежит:

A tiltmeter to measure a variation in inclination of a structure from a given starting position. The tiltmeter has two pots, each pot contains an identical volume and identical height of an identical liquid. A communication device connects the two pots and allows the liquid to flow between the two pots by the principle of communicating vessels. Two optical measuring devices are provided, one optical measuring device per pot. Each optical measuring device measures a variation in height of the level of liquid in the associated pot. The optical measuring devices are fiber optic devices coupled to a common light source. 14-. (canceled)5. A tiltmeter to measure a tilt variation of a structure from a given starting position , comprising:two pots, each pot containing an identical volume and an identical height of an identical liquid;a communication device configured to connect the two pots and to enable the liquid to flow between the two pots in accordance with a principle of communicating vessels;two optical measuring devices, one optical measuring device per pot, each optical measuring device measures a variation Δz in height of a liquid level of the liquid in the associated pot; andwherein the optical measuring devices are fiber optic devices coupled to a common light source.6. The tiltmeter as claimed in claim 5 , wherein the optical measuring devices are extrinsic fiber optic devices claim 5 , each optical measuring device comprising:{'sub': '0', 'a light source, of central wavelength λ, to generate a light beam toward the associated pot;'}a reflecting surface positioned inside the associated pot;an optical measuring fiber to transport and guide the light beam toward the associated pot, a first end of the optical measuring fiber, fixed at a level of a high end of the associated pot and disposed facing the reflecting surface, forming with the reflecting surface an external Fabry-Pérot optical cavity;a detector to detect an interferometric signal generated by ...

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26-10-2017 дата публикации

SENSOR HOUSING

Номер: US20170311473A1
Принадлежит:

In order to configure a housing () for a sensor received in the housing as deformation stable as possible the housing is made integrally in one piece from metal instead of being made from plastic and furthermore the pass through openings () for attaching the sensor by bolting to another component are sized and positioned so that impartible forces are not able to deform the housing () which has a defined stability. 2313238b. The sensor according to claim 1 , characterized in that the front side (.) is arranged parallel to the flat backside (.) and the circumferential side walls () have identical wall height () everywhere.343. The sensor according to claim 1 , characterized in that the interior space (′) does not deform transversal to its main plane (′).46378a, b. The sensor according to claim 1 , characterized in that the diameter (d) of the pass through openings () is predetermined as a function of a material and dimensions of the housing () relative to the wall thickness () and a wall height ().5583b. The sensor according to claim 1 , characterized in that a thickness (D) of the attachment eyelets () is more than 60% claim 1 , of a height () of the circumferential side walls ().6583b. The sensor according to claim 1 , characterized in that a thickness (D) of the attachment eyelets () is less than 50% claim 1 , of a height () of the circumferential side walls ().7. A sensor claim 1 , comprising:{'b': '3', 'claim-text': [{'b': '3', 'a tub shaped housing body (′)'}, {'b': '3', 'at least one fixation element attached at the housing body and configured to fixate the housing body (′) at an adjacent component,'}, {'b': 12', '3, 'an optional provided cover () configured to close the housing body (′),'}], 'a shaped housing () including'}{'b': 1', '22, 'an electronic circuit board () with an electronic circuit with electronic components () arranged thereon,'}{'b': 4', '3', '3', '1', '1', '4', '1', '4', '2', '4', '1, 'a recess () in the housing body (*) that is open towards a ...

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09-11-2017 дата публикации

SENSING SYSTEM AND SENSING METHOD USING THE SAME

Номер: US20170322024A1
Принадлежит:

The present invention relates to a sensing system and a sensing method using the same. The sensing system includes at least one tested unit and an optical fiber measuring unit. The tested unit includes a container, a strain arm and a float. The container can be filled with a fluid, and the strain arm is connected with the float and combined with a measuring portion of the optical fiber measuring unit. When the container is disposed on a body of interest, the surface inclination or settlement of the body of interest would cause changes of buoyant force on the floating element and induce bending deformation of the strain arm. Accordingly, the surface deformation of the body of interest can be determined by detecting the bending deformation of the strain arm using the measuring portion combined with the strain arm. 1. A sensing system , including:at least one tested unit comprising a container, a strain arm, and a float, wherein an accommodating space is defined in the container for accommodating a fluid, the strain arm has a fixed end and a free end, wherein the fixed end of the strain arm connects to a side wall of the container, and the free end of the strain arm overhangs in the accommodating space and connects to the float, the float shifts by changes of buoyant force and induce a bending deformation of the strain arm; andan optical fiber measuring unit having at least one measuring portion, wherein the measuring portion combines with the strain arm and extends between the fixed end and the free end for detecting the bending deformation of the strain arm.2. The sensing system as claimed in claim 1 , wherein a grating is formed at the measuring portion claim 1 , and the bending deformation of the strain arm induces changes of grid line spacing of the grating.3. The sensing system as claimed in claim 1 , wherein the sensing system detects surface inclination or settlement of a body of interest and physical parameters relate to surface inclination or settlement of ...

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03-12-2015 дата публикации

METHOD, APPARATUS, AND TERMINAL FOR MEASURING DIRECTION

Номер: US20150345944A1
Автор: HAN Wei, Hu Xiaowei, Zhu Yin
Принадлежит:

The present disclosure provides a method and an apparatus for measuring a direction, and a terminal. The method includes activating a camera and acquiring an image through the camera when the terminal runs a compass application (APP); determining a facing direction of the camera through the compass APP; and displaying, on a display interface, the facing direction in the image. 1. A method for a terminal to measure a direction , comprising:activating a camera and acquiring an image through the camera when the terminal runs a compass application (APP);determining a facing direction of the camera through the compass APP; anddisplaying, on a display interface, the facing direction in the image.2. The method according to claim 1 , wherein the activating of the camera and the acquiring of the image comprises:detecting whether the terminal is in an inclined state when the terminal runs the compass APP; andactivating the camera to acquire the image through the camera if the terminal is in the inclined state.3. The method according to claim 2 , wherein the detecting of whether the terminal is in an inclined state comprises:measuring an inclination angle between the terminal and a horizontal plane;detecting whether the inclination angle falls into a pre-determined angular range; anddetermining that the terminal is in the inclined state if the inclination angle falls into the pre-determined angular range.4. The method according to claim 1 , wherein the determining of the facing direction of the camera through the compass APP comprises:determining a posture of the terminal;determining a direction of the terminal through the compass APP; anddetermining the facing direction of the camera based on the posture of the terminal and the direction of the terminal.5. The method according to claim 4 , further comprising:determining additional directions based on the facing direction, the additional directions including a direction opposite to the facing direction and a direction ...

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15-11-2018 дата публикации

DISTANCE-MEASURING DEVICE

Номер: US20180328727A1
Принадлежит:

A distance-measuring device includes first and second stereoscopic cameras each to be used to measure the distance to an object included in an imaging range. The first stereoscopic camera includes two imaging elements arranged side by side in a first direction, and the second stereoscopic camera includes two imaging elements arranged side by side in a second direction. The second direction is defined as a direction which intersects a plane containing the first direction and an imaging direction of the first stereoscopic camera. 1. A distance-measuring device comprising:first and second stereoscopic cameras each to be used to measure a distance to an object included in an imaging range,wherein the first stereoscopic camera includes two imaging elements arranged side by side in a first direction,the second stereoscopic camera includes two imaging elements arranged side by side in a second direction, the second direction is defined as a direction which intersects a plane containing the first direction and an imaging direction of the first stereoscopic camera, and the second stereoscopic camera is arranged between the two imaging elements contained in the first stereoscopic camera, as viewed in the direction which intersects the plane.2. (canceled)3. The distance-measuring device according to claim 1 , wherein the first stereoscopic camera captures an image in a front direction of the distance-measuring device claim 1 , andthe second stereoscopic camera captures an image in a sideward direction of the distance-measuring device.4. The distance-measuring device according to claim 1 , which is worn on a user's head at the time of its use claim 1 , further comprising:an image-presenting unit to present an image to the user, wherein the first stereoscopic camera captures an image in a frontward direction of the user.5. The distance-measuring device according to claim 1 , wherein the first stereoscopic camera contains the two imaging elements which differ in type from the two ...

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24-11-2016 дата публикации

Augmented video system providing enhanced situational awareness

Номер: US20160344980A1
Принадлежит: Insitu Inc

A facility, comprising systems and methods, for providing enhanced situational awareness to captured image data is disclosed. The disclosed techniques are used in conjunction with image data, such as a real-time or near real-time image stream captured by a camera attached to an unmanned system, previously captured image data, rendered image data, etc. The facility enhances situational awareness by projecting overlays onto captured video data or “wrapping” captured image data with previously-captured and/or “synthetic world” information, such as satellite images, computer-generated images, wire models, textured surfaces, and so on. The facility also provides enhanced zoom techniques that allow a user to quickly zoom in on an object or area of interest using a combined optical and digital zoom technique. Additionally, the facility provides a digital lead indicator designed to reduce operator-induced oscillations in commanding an image capturing device.

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07-12-2017 дата публикации

Low cost position sensor and mobility device using the same

Номер: US20170350699A1
Принадлежит: Generalplus Technology Inc

A low cost position sensor and a mobility device using the same are provided. The low cost position sensor comprises a rollable object, a container and a control circuit. The rollable object comprises a specific material. The container has a non-planar inner bottom portion. At least one sensor for detecting coordinates is disposed inside the container. The rollable object is disposed in the container. The sensor can detect the specific material. The control circuit is coupled to the sensor. The sensor detects the specific material to determine a coordinate position of the rollable object, and sends the coordinate position of the rollable object back to the control circuit. The control circuit determines a tilt angle of the container according to the coordinate position of the rollable object.

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06-12-2018 дата публикации

Vial with Improved Visibility for Level

Номер: US20180347977A1
Принадлежит:

A level including level vial(s) having enhanced visibility are provided. The level may include a level vial including a material that is attracted to the interface or border of a globule within the level vial which improves visibility of the interface. The level may include a solid level indicator having easy to see end surfaces that are generally vertically oriented when in the level position. The end surfaces of the solid level indicator may allow the user to more easily compare the position of the solid level indicator to indicating lines formed on the level vial. The level may include a level vial including a first liquid and an immiscible second liquid forming a globule with the first material. The globule formed from the second material may improve visibility compared to a typical air bubble. 1. A level comprising:a level body defining a planar base surface configured to engage a workpiece;a vial supported by the level body and including an inner surface defining a cavity;a first material located within the cavity of the vial, wherein the first material is a liquid material;a second material located within the cavity of the vial, the second material forms an indicator within the first material such that an interface is defined between the first and second materials; anda third material located within the cavity of the vial, the third material having a property that attracts the third material to the interface between the first material and the second material.2. The level of claim 1 , wherein the second material is air claim 1 , and the property of the third material is a density claim 1 , wherein the density of the third material is less than a density of the first material such that the third material floats on the first material and is located between the first material and the second material.3. The level of claim 1 , wherein the property of the third material is polarity claim 1 , wherein the first material is a polar material and the third material is ...

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06-12-2018 дата публикации

X-Ray Fluorescence Apparatus for Contamination Monitoring

Номер: US20180348151A1
Принадлежит:

An apparatus for X-ray measurement, includes an X-ray source, an X-ray detector, an optical inclinometer, and a processor. The X-ray source is configured to generate and direct an X-ray beam to be incident at a grazing angle on a surface of a sample. The X-ray detector is configured to measure X-ray fluorescence emitted from the surface of the sample in response to being excited by the X-ray beam. The optical inclinometer is configured to measure an inclination of the surface of the sample. The processor is configured to calibrate the grazing angle of the X-ray beam based on the measured inclination, and to further fine-tune the grazing angle based on the X-ray fluorescence measured by the X-ray detector. 1. An apparatus for X-ray measurement , comprising:an X-ray source, which is configured to generate and direct an X-ray beam to be incident at a grazing angle on a surface of a sample;an X-ray detector, which is configured to measure X-ray fluorescence emitted from the surface of the sample in response to being excited by the X-ray beam;an optical inclinometer, which is configured to measure an inclination of the surface of the sample; anda processor, which is configured to calibrate the grazing angle of the X-ray beam based on the measured inclination, and to further fine-tune the grazing angle based on the X-ray fluorescence measured by the X-ray detector.2. The apparatus according to claim 1 , wherein the processor is further configured to detect contaminants on the sample based on the measured X-ray fluorescence.3. The apparatus according to claim 1 , wherein the processor is further configured to store in a memory a resulting calibration lookup table for the grazing angle.4. The apparatus according to claim 1 , wherein the processor is configured to fine-tune the grazing angle based on a measured X-ray fluorescence intensity of a given spectral line.5. The apparatus according to claim 4 , wherein the given spectral line is a fluorescence line of a chemical ...

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15-12-2016 дата публикации

ELEVATION ANGLE ESTIMATING DEVICE AND METHOD FOR USER TERMINAL PLACEMENT

Номер: US20160363443A1
Автор: Ni Melvin S.
Принадлежит:

A device and method for estimating the elevation angle of one or more objects surrounding a user terminal, include a light-collecting lens arrangement that collects sky scene light from a wide angle, an eyepiece lens arrangement that collimates the sky scene light collected by the light-collecting lens arrangement, and an elevation limit marking that is superimposed over the sky scene light. The elevation limit marking defines an elevation angle above a horizon of the earth that all the one or more objects in a field of view of the device must remain below so that the user terminal has an unobstructed view of the sky in all azimuthal directions. 1. A device for estimating the elevation angle of one or more objects surrounding a user terminal , the device comprising:a light-collecting lens arrangement for collecting sky scene light from a wide angle;an eyepiece lens arrangement for collimating the sky scene light collected by the light-collecting lens arrangement; andan elevation limit marking superimposed over the sky scene light, the elevation limit marking defining an elevation angle above a horizon of the earth that all the one or more objects in a field of view of the device must remain below so that the user terminal has an unobstructed view of the sky in all azimuthal directions.2. The device of claim 1 , wherein the elevation angle defined by the elevation limit marking comprises a maximum elevation angle.3. The device of claim 1 , further comprising an image-reflecting surface for reflecting the sky scene light onto the light-collecting lens arrangement.4. (canceled)5. The device of claim 3 , wherein the image-reflecting surface or a periphery of the image-reflecting surface defines the elevation limit marking.6. The device of claim 5 , wherein the elevation limit marking has an elliptical shape.7. The device of claim 1 , further comprising an image-reflecting surface for reflecting the sky scene light collimated with the eyepiece lens arrangement claim 1 , ...

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