Patents Examined by Claire X Pappas
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Patent number: 9746674Abstract: According to a light guide device that is an optical member, since a protruding rib extending along a sideways end portion is provided, first and second surfaces including a first surface and other free-form surfaces can be aligned with another member that forms, for example, a virtual image display apparatus with high precision when the light guide device is assembled to the other member by using part of the protruding rib, which is provided separately from the first and second surfaces, as a reference, whereby an optical function of the light guide device in the virtual image display apparatus or any other apparatus can be ensured. Further, an optical main body provided with the first and second surfaces has a shape similar to that of glasses and hence has a good external appearance.Type: GrantFiled: November 8, 2013Date of Patent: August 29, 2017Assignee: Seiko Epson CorporationInventor: Noriaki Hiraide
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Patent number: 9746961Abstract: A background signal processing method and a background signal processing system are provided. The background signal processing method includes measuring a first conductive wire group, comparing a first background signal measurement value with a predetermined background signal threshold value to determine their difference, and executing the following steps according to the amount of the difference: (1) performing no updating; updating the background signal according to the first background signal measurement value; and further measuring a second conductive wire group and calculating a background signal speculating value of a third conductive wire group, other than the first and second conductive wire groups, based on the second background signal measurement value and the first background signal measurement value, to provide the complete background signals and ensure the quality of the captured signals.Type: GrantFiled: December 19, 2014Date of Patent: August 29, 2017Assignees: APEX MATERIAL TECHNOLOGY CORP., IMAGINATION BROADWAY LTD.Inventor: Shang-Li Lee
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Patent number: 9746970Abstract: A touch screen system includes a capacitive touch screen (1) including a plurality of row conductors (7-1, 2 . . . n) and a column conductor (5-1). A plurality of contemporaneous orthogonal excitation signals (S1(t), S2 (t) . . . Sn(t)) are simultaneously driven onto the row conductors, respectively. The capacitively coupled signals on the column conductor may be influenced by a touch (10) on the capacitive touch screen. Receiver circuitry (50) includes a sense amplifier (21-1) coupled to generate an amplifier output signal (r1(t)) in response to signals capacitively coupled onto the column conductor. WHT-based circuitry (35) determines amounts of signal contribution capacitively coupled by each of the excitation signals, respectively, to the amplifier output signal.Type: GrantFiled: November 5, 2013Date of Patent: August 29, 2017Assignee: Intel CorporationInventors: William R. Krenik, Anand Dabak
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Patent number: 9740281Abstract: Embodiments of the present invention disclose a human-machine interaction method and apparatus. The method includes: capturing a line-of-sight direction; determining a change of an angle between a line of sight and a screen, and/or a change of a distance between a user and the screen according to the line-of-sight direction; and performing, according to the change of the angle and/or the change of the distance, a corresponding operation on content displayed on the screen. Corresponding to the foregoing method, the foregoing apparatus includes: a line-of-sight tracking unit, a processing unit, and an executing unit. In the present invention, an action of a user can be determined without depending on gravity sensing, and a corresponding operation can be performed on content displayed on a screen.Type: GrantFiled: December 26, 2014Date of Patent: August 22, 2017Assignee: Huawei Technologies Co., Ltd.Inventor: Ying Li
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Patent number: 9740336Abstract: The present invention relates to an optical touch-sensitive device and a method of determining a position and determining a position change of an object contacting an optical touch sensitive device. In particular, the present invention relates to an optical touch pad and a method of determining a position and determining a position change of an object contacting an optical touch pad. A touch-sensitive device, according to the present invention may comprise a light source, a touch-sensitive waveguide, a detector array, and a first light redirecting member, wherein at least a part of the light propagating towards a specific point of the detector array is prevented from being incident upon the specific point of the detector array when an object contacts a touch-sensitive surface of the touch-sensitive waveguide at a corresponding specific contact point.Type: GrantFiled: May 12, 2016Date of Patent: August 22, 2017Assignee: O-Net WaveTouch LimitedInventors: Michael Linde Jakobsen, Vagn Steen Gruner Hanson, Henrik Chresten Pedersen
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Patent number: 9733727Abstract: A surface navigation device for a computer or similar graphical display and methods for implementing its operation. The device moves sensitively and precisely over a surface such as a desktop and operator generated changes in its position relative to targetable objects on that desktop arranged about the circumference of a pseudo-circle are described in terms of a lumped motion vector. The motion vector is decomposed into a translational and rotational part by metrical and topological methods. The device communicates each part of the decomposed motion quickly and accurately to a computer screen or other display where it may implement the motion of a cursor or it may be used to manipulate objects having a 3D character by providing them with translational and rotational motions. The rotational parameter generated by the device may also be used independently to trigger some computer action.Type: GrantFiled: October 17, 2013Date of Patent: August 15, 2017Inventor: Wen-Chieh Geoffrey Lee
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Patent number: 9736747Abstract: A method, a system and a device for maintaining user service continuity are provided in an embodiment of the present invention. The method includes prohibiting a UE from accessing a forbidden network before handover is complete when the UE needs to perform network handover if the UE adopts a SIM access technology, thus avoiding service interruption of a SIM user due to access to an incorrect network. A system and a device for maintaining user service continuity are provided in an embodiment of the present invention.Type: GrantFiled: September 3, 2013Date of Patent: August 15, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yanmei Yang, Xiaojun Zhuang
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Patent number: 9733676Abstract: A touch panel having a cover plate, a sensor electrode layer, an insulating layer and a jumper layer is provided. The sensor electrode layer has first axis electrodes, second axis electrodes, bonding pads and first periphery traces. Each first axis electrode has first electrode blocks that are electrically connected to each other. Each second axis electrode has second electrode blocks that are electrically isolated from each other. The bonding pads are disposed on the periphery region of the cover plate. The first periphery traces are electrically connected to the bonding pads and the first axis electrodes or the second axis electrodes respectively. The insulating layer has first via holes and second via holes. The jumper layer has jumper traces and second periphery traces, wherein the second periphery traces are electrically connected to the first axis electrodes or the second axis electrodes through the first via holes.Type: GrantFiled: February 16, 2014Date of Patent: August 15, 2017Assignee: TPK Touch Solutions Inc.Inventors: Jun-Yao Huang, Po-Pin Hung, Hsiang-Yu Teng, Chun-Chi Lin
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Patent number: 9735569Abstract: A driving circuit applied in a display system includes a node, a current control circuit, a protecting circuit and a timing controller, wherein the node is arranged to connect to a lighting element; the current control circuit is coupled to the node and arranged to selectively provide a current to the lighting element according to a Pulse Width Modulation (PWM) signal; the protecting circuit is coupled to the node and arranged to be selectively enabled to limit the voltage of the node according to a control signal to make the voltage of the node maintain a predetermined voltage, wherein the lighting element does not have any current passed through when the voltage of the node maintains the predetermined voltage; and the timing controller is arranged to generate the PWM signal and the control signal.Type: GrantFiled: November 2, 2015Date of Patent: August 15, 2017Assignee: Silicon Touch Technology Inc.Inventors: Chi-Yuan Chin, Kuei-Jyun Chen
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Patent number: 9720297Abstract: The present invention provides an array substrate and a display panel. The array substrate comprises a plurality of data lines and a plurality of common electrode lines, wherein, the array substrate further comprises at least one discharge unit, each discharge unit corresponds to one of the plurality of data lines and is connected between the corresponding data line and one of the plurality of common electrode lines, and each discharge unit can selectively conduct the data line to the common electrode line connected thereto. The display panel comprises the array substrate. In the present invention, the discharge unit can selectively conduct the data line connected thereto to the common electrode line connected thereto, to enable fast discharge of the storage capacitance and reduce occurrence of afterimage phenomenon.Type: GrantFiled: November 20, 2014Date of Patent: August 1, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Xiangdong Wei, Xueguang Hao, Cheng Li, Seongjun An, Bongyeol Ryu
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Patent number: 9715314Abstract: Electrode matrices for capacitive touch-sensing are provided. An electrode matrix may include a plurality of electrodes separated by gaps. Each electrode may include a plurality of spaced apart conductors electrically connected at opposed ends by respective tie structures. The conductors of each electrode may be electrically bridged at intervals by a plurality of jumpers. The electrode matrix may further include a plurality of pseudo jumpers positioned within the gaps and configured to be non-conductive across their entire lengths.Type: GrantFiled: June 24, 2013Date of Patent: July 25, 2017Assignee: Microsoft Technology Licensing, LLCInventors: Jonathan Westhues, Sean M. Donnelly, Jason D. Wilson
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Patent number: 9715848Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.Type: GrantFiled: December 11, 2013Date of Patent: July 25, 2017Assignee: LG Display Co., Ltd.Inventors: Hyung Rae Kim, Seung Chan Byun, Jung Yoon Yi, Kyoung Sik Choi, Dae Hyeon Park, Ui Taek Jeong, Boeon Byeon
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Patent number: 9710106Abstract: According to aspects of embodiments of the present invention a touch screen display device includes: a touch sensor; a touch controller configured to detect a position touched on the touch sensor; and a touch correcting unit configured to correct an initial touch position detected by the touch controller to a final touch position, wherein the touch correcting unit comprises: a first computing unit configured to convert the initial touch position to a temporary touch position; a second computing unit configured to compute a touch movement amount between the initial touch position and the temporary touch position; and a third computing unit configured to compute the final touch position by subtracting the touch movement amount from the initial touch position.Type: GrantFiled: June 16, 2015Date of Patent: July 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Byung-Ki Chun, Won-Woo Jang, Jeong-Hun So
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Patent number: 9704431Abstract: Disclosed is a display device and a method of driving the display device. The display device includes a display panel, a scan driving unit, and a timing control unit. The display panel displays an image. The scan driving unit supplies a scan signal to the display panel. The timing control unit controls the scan driving unit. The scan driving unit includes a correction circuit unit that detects whether a clock signal output by the timing control unit is normal or abnormal, and corrects the detected abnormality.Type: GrantFiled: December 30, 2014Date of Patent: July 11, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Daemyeong Cho, Sungjoon Moon, Seungwook Yoo, Jaehyuk Kim
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Patent number: 9696858Abstract: Embodiments described herein include a method and apparatus for capacitive sensing in input devices integrated with a display device. In one embodiment, a processing system for a display device comprising an integrated capacitive sensing device is provided that includes a display driver module, a transmitter module, and a receiver module. The display driver and transmitter modules are configured to operate in a display update mode and a sleep mode. The receiver module is configured to, while operating in a doze mode, communicate with and trigger the transmitter module to enter the active sensing mode while the display driver module remains in the sleep mode when presence of an object is detected based on the resulting signals.Type: GrantFiled: February 13, 2014Date of Patent: July 4, 2017Assignee: SYNAPTICS INCORPORATEDInventor: Petr Shepelev
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Patent number: 9690402Abstract: A touch panel system includes micro-electro-mechanical system (MEMS) groups. Each group includes an emitter producing a beam, and a MEMS mirror located about a corner of a touch panel screen. The MEMS mirror reflects the beam to create a beam sweep across a touch panel surface. An array of photo sensors is located parallel to an edge of the touch panel screen to detect reflected beams from an object about the touch panel surface. Based on when the reflected beams are detected, the angular positions of the MEMS mirrors can be determined and correlated to the object's position.Type: GrantFiled: September 3, 2010Date of Patent: June 27, 2017Assignee: ADVANCED NUMICRO SYSTEMS, INC.Inventors: Yee-Chung Fu, Hsing C. Cheng
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Patent number: 9671874Abstract: Systems and methods configured to facilitate multi-modal user inputs in lieu of physical input for a processing device configured to execute an application include obtaining non-physical input for processing device and the application, wherein the physical input comprises one or more of touch-based input and tilt input; processing the non-physical input to convert into appropriate physical input commands for the application; and providing the physical input commands to the processing device.Type: GrantFiled: October 27, 2015Date of Patent: June 6, 2017Assignee: CUESTA TECHNOLOGY HOLDINGS, LLCInventors: Matthew Flagg, Jeremy Barrett, Scott Wills, Sean Durkin, Vinod Valloppillil
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Patent number: 9666119Abstract: The present disclosure relates generally systems and methods for controlling current provided to display devices. A method for controlling the current may include receiving drive current values associated with subpixels in a display and receiving information that corresponds to an application type being rendered on the display and/or an indication of image data being rendered on the display. The method may then include reducing at least some of the drive current values based at least in part on the application type. Alternatively, the method may include reducing the at least a portion of the image data corresponding to the at least some of the drive current values has substantially similar luminance and color values. The method may then include supplying the subpixels with drive currents that correspond to the drive current values.Type: GrantFiled: August 30, 2012Date of Patent: May 30, 2017Assignee: APPLE INC.Inventor: Paul Stephen Drzaic
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Patent number: 9632628Abstract: A device includes a plurality of adjacent electrodes for a touch sensitive device. The electrodes run generally in a first direction. Adjacent electrodes are interdigitated to provide one or more interpolation sections of the electrodes. Touch sensitive devices may utilize such interdigitated electrodes as drive electrodes, along with transverse sense electrodes formed over a display.Type: GrantFiled: October 23, 2009Date of Patent: April 25, 2017Assignee: Atmel CorporationInventors: Harald Philipp, Esat Yilmaz
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Patent number: 9625956Abstract: A touch panel having a cover plate, a sensor electrode layer, an insulating layer and a jumper layer is provided. The sensor electrode layer has first axis electrodes, second axis electrodes, bonding pads and first periphery traces. Each first axis electrode has first electrode blocks that are electrically connected to each other. Each second axis electrode has second electrode blocks that are electrically isolated from each other. The bonding pads are disposed on the periphery region of the cover plate. The first periphery traces are electrically connected to the bonding pads and the first axis electrodes or the second axis electrodes respectively. The insulating layer has first via holes and second via holes. The jumper layer has jumper traces and second periphery traces, wherein the second periphery traces are electrically connected to the first axis electrodes or the second axis electrodes through the first via holes.Type: GrantFiled: February 16, 2014Date of Patent: April 18, 2017Assignee: TPK Touch Solutions Inc.Inventors: Jun-Yao Huang, Po-Pin Hung, Hsiang-Yu Teng, Chun-Chi Lin