Patents Examined by Regina Liang
  • Processing device and processing method for high dynamic contrast of liquid crystal display device
    Patent number: 8629829
    Abstract: The present invention relates to a processing device and processing method for high dynamic contrast of a liquid crystal display. The processing device comprises a receiver, an inverter and a source driver integrated circuit connected to a center processing module. The processing method comprises: performing a histogram-statistical processing on a received low-voltage differential signal data; obtaining a backlight source luminance control parameter and a gamma reference voltage parameter of the same frame of picture according to the result of the histogram-statistical processing; controlling the luminance of the backlight source according to the backlight source luminance control parameter; and controlling the voltage of a pixel capacitor on the liquid crystal panel according to the gamma reference voltage parameter.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: January 14, 2014
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Ming Chen, Xinshe Yin
  • Device for improving the accuracy of the touch point on a touch panel and a method thereof
    Patent number: 8624865
    Abstract: A device for improving the detection accuracy of a touch point on a touch panel and a method thereof are disclosed. The device includes a plurality of first and second X external conducting wires and a plurality of first and second Y external conducting wires that are electrically coupled with the first X side and the second X side of the touch panel and the first Y side and the second Y side of the touch panel to alternatively and respectively receive a first detection signal and a second detection signal from a first detection signal source and a second detection signal source. By using the relation of the currents generated form the first detection signal and the second detection signal, a x coordinate and a y coordinate of the location of the touch point is obtained.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: January 7, 2014
    Assignee: Egalax Empia Technology Inc.
    Inventor: Chin-Fu Chang
  • Thin apparatus for displaying image
    Patent number: 8614651
    Abstract: A thin apparatus for displaying image, comprising: a first input terminal (6a) for inputting image signal, the first input terminal (6a) is located on back side of the thin apparatus; a panel (2) for displaying images, the panel (2) is located on front side of the thin apparatus; and a control circuit (3) for controlling the image signal, wherein the axis of the first input terminal (6a) is substantively parallel to the back of the panel (2), the control circuit (3) is located under the panel (2), and shapes that the width is longer than the height. Compared with the prior art, the thickness and height of the thin apparatus of this invention are greatly reduced, and the whole structure of it becomes more compact and proper because this invention considers the combination of the position and shape of the control circuit (3), and the arrangement of the first input terminal (6a) for the first time.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: December 24, 2013
    Assignee: Sony (China) Limited
    Inventors: Xiong Chen, Katsumi Yamatogi, Osamu Kihara
  • Electro-optical device, method of driving electro-optical device, and electronic apparatus
    Patent number: 8610644
    Abstract: An electro-optical device includes a plurality of unit circuits that are disposed in correspondence with intersections of a plurality of scanning lines and a plurality of data lines, a scanning line driving circuit that sequentially selects the plurality of scanning lines, one scanning line being selected for a drive period of one unit period, and a data line driving circuit that outputs data electric potentials to the plurality of data lines for a write period of the one unit period, the data electric potentials corresponding to gray scale data of the plurality of unit circuits that are in correspondence with the one scanning line selected for the drive period of the one unit period and the write period being a period before the each drive period starts.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: December 17, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Toshiyuki Kasai
  • Computer interface for navigating graphical user interface by touch
    Patent number: 8599147
    Abstract: A system for enabling a user to navigate a graphical user interface by touching pads on a touch surface. The arrangement of the pads on the touch surface is static, but the functions associated with each pad dynamically change in correspondence with functions in the graphical user interface. The functions are automatically and dynamically extracted from the software that creates the window display. Certain pads are regularly used for certain user options found in windows.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: December 3, 2013
    Assignee: Vortant Technologies, LLC
    Inventor: Philip Schaefer
  • Drive circuit and liquid crystal display using the same
    Patent number: 8599123
    Abstract: A liquid crystal display includes a liquid crystal panel, a drive circuit, and a power circuit. The drive circuit includes a gate driver, a timing control circuit, and a wave signal generation circuit. The timing control circuit sends a timing control signal to the gate driver and the wave signal generation circuit. The wave signal generation circuit generates a control signal according to the timing control signal, and generates a wave signal according to the control signal. The gate driver generates scan signals according to the timing control signal and the wave signal. Before the voltage of the scan signal changes from a maximum voltage to a minimum voltage, the voltage of the scan signal decreases to an invariable middle voltage that is between the minimum voltage and the maximum voltage during a fall time of the scan signal.
    Type: Grant
    Filed: December 12, 2010
    Date of Patent: December 3, 2013
    Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux Corporation
    Inventors: Wei Guo, Sha Feng
  • Liquid crystal display device, backlight used for same display device, method for driving same backlight and method for manufacturing same backlight
    Patent number: 8599125
    Abstract: A Liquid Crystal Display (LCD), a backlight used for the LCD and a method for producing the LCD and the backlight are provided which are capable of inhibiting an increase in component counts and in assembling processes and of reducing them, thereby achieving low costs. A display image is obtained by arranging a backlight section being able to perform scanning as a single unit in a manner that it positionally matches a liquid crystal displaying section. The backlight section is provided with a plurality of scanning electrodes and light emitting layers each providing a different luminescent color, and being spatially separated from each other on a principal face of the backlight and scanning is performed on a plurality of light emitting layers providing a different luminescent color.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: December 3, 2013
    Assignee: Getner Foundation LLC
    Inventors: Ken Sumiyoshi, Toshihiro Yoshioka, Hiroshi Hayama, Jin Matsushima
  • Signal line driving circuit and light emitting device
    Patent number: 8593377
    Abstract: The invention relates to a signal line driving circuit having a first and a second current source circuits, a shift register, and a constant current source for video signal, in which the first current source circuit is disposed in a first latch and the second current source circuit is disposed in a second latch. The first current source circuit includes capacitive means for converting the current supplied from the constant current source for video signal into a voltage, according to a sampling pulse supplied from the shift register, and supplying means for supplying the current corresponding to the converted voltage.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 26, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Disparity cursors for measurement of 3D images
    Patent number: 8587518
    Abstract: A test and measurement instrument according to an embodiment of the present invention provides a disparity cursor for making quick and easy disparity measurements. In operation, a user uses a sample cursor to specify a pixel of a first image and uses the disparity cursor to specify a pixel of a second image. The test and measurement instrument then automatically provides a measured disparity value based on the two pixels.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: November 19, 2013
    Assignee: Tektronix, Inc.
    Inventor: Robert G. Davies
  • Fingertip detection for camera based multi-touch systems
    Patent number: 8581852
    Abstract: Touch detection systems and methods are described. The system comprises a light guiding sheet, a light source, a reflective layer and a detector. When a fingertip or other suitable object is pressed against the light guiding sheet, light which is undergoing total internal reflection within the sheet is scattered. The scattered light is reflected by the reflective layer and detected by the detector. In an embodiment, the light is infra-red light. The touch detection system may, in some embodiments, be placed on a display and the touch events used to control the display.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: November 12, 2013
    Assignee: Microsoft Corporation
    Inventors: Shahram Izadi, Stuart Taylor, Stephen E. Hodges
  • Zhuyin input interface on a device
    Patent number: 8564541
    Abstract: One of a pair of alternate key planes of a virtual keyboard is presented. Each key plane includes a partial set of phonetic symbols from a phonetic alphabet. A first key plane includes a set of initial phonetic symbols. A second key plane includes a set of final phonetic symbols and a set of tone marks. The virtual keyboard automatically switches between the first key plane and the second key plane upon receiving a predetermined set of user input triggers. A sequence of Zhuyin phonetic symbol input is received from a user interface, where the sequence of Zhuyin phonetic symbols represents phonetic spellings of a plurality of Chinese characters. User input to select one of a list of Chinese character combinations is received. The selected Chinese character combination is entered as text input in the user interface.
    Type: Grant
    Filed: June 1, 2009
    Date of Patent: October 22, 2013
    Assignee: Apple Inc.
    Inventor: Chia-Chi Chou
  • Locus smoothing method and navigation device using the same
    Patent number: 8558793
    Abstract: A locus smoothing method processes a current estimated displacement according to a predetermined number of previous output smoothed displacements. The locus smoothing method includes the steps of: accumulating a predetermined number of previous output smoothed displacements to produce an accumulated displacement and recording a last output smoothed displacement; estimating a current estimated displacement; forming a digital filter according to the accumulated displacement, the last output smoothed displacement and the current estimated displacement; processing the current estimated displacement with the digital filter to produce a current smoothed displacement; and transmitting the current smoothed displacement to an image display. The present invention further provides a navigation device having smooth locus.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: October 15, 2013
    Assignee: Pixart Imaging Inc.
    Inventors: Hsin Chia Chen, Tzung Min Su, Tzu Yi Chao
  • Touch pad for handheld device
    Patent number: 8552990
    Abstract: A touch pad system is disclosed. The system includes mapping the touch pad into native sensor coordinates. The system also includes producing native values of the native sensor coordinates when events occur on the touch pad. The system further includes filtering the native values of the native sensor coordinates based on the type of events that occur on the touch pad. The system additionally includes generating a control signal based on the native values of the native sensor coordinates when a desired event occurs on the touch pad.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: October 8, 2013
    Assignee: Apple Inc.
    Inventors: Greg Marriott, Guy Bar-Nahum, Steven Bollinger
  • Method, apparatus for sensing moved touch and computer readable record-medium on which program for executing method thereof
    Patent number: 8547352
    Abstract: Provided is a moved touch sensing method. The moved touch sensing method according to an exemplary embodiment of the present invention includes: acquiring channel information corresponding a touch inputted into a contact region; converting each of first channel information and second channel information acquired as the touch moves into order information according to a predetermined order; and outputting a movement distance clock signal representing a movement distance of the touch on the basis of the converted order information. According to exemplary embodiments of the present invention, it is possible to reduce a burden of a control processor by outputting information regarding a movement distance and a movement direction of a moved touch by using two clock signals.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: October 1, 2013
    Assignee: Chemtronics Co., Ltd
    Inventors: Young-Un Park, Deuk-Hoi Kim
  • Transaction automation and archival system using electronic contract disclosure units
    Patent number: 8547356
    Abstract: A transaction automation and archival system is provided for controlling, real-time logging, and archiving complex commercial transactions such as the purchase and financing of an automobile. An electronic contract disclosure unit or ECDU includes a digitizing video display for imaging to the various documents involved in the transaction and a digitizer for allowing participants to sign, indicate choices, and otherwise interact directly on documents and images presented on the display. A computer controls the progress of the transaction, controlling, for example, the order of presentation of documents to a vehicle purchaser, receiving signatures on the displayed documents, offering choices of various packages to the purchaser, and insuring that the transaction is carried out properly. The transaction is logged for future review which may include a video record.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: October 1, 2013
    Assignee: Reynolds & Reynolds Holdings, Inc.
    Inventors: William C. Maloney, Mark A. Singleton
  • Steering wheel input/interactive surface
    Patent number: 8537133
    Abstract: The steering wheel input is a flexible, interactive input, based on a touch-sensitive surface. Groups of functions are available from many positions of hands and fingers, gripping and controlling the steering wheel. For example travel directions indicators, headlight flashing/dipping and windscreen wipers can be controlled without having to raise the hand from the steering wheel. The keypad of a mobile telephone can also be simulated. PDA inputs can be carried out. A computer keyboard can be simulated Continuous encompassment of the hands is corrected by computer. The touch areas are continuously and dynamically adapted in the relationship thereof with respect to the balls of the hands or the thumb and fingers. This concept produces ergonomically appropriate and dynamically updated touch areas.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: September 17, 2013
    Inventor: Ralf Trachte
  • Backlight module and display apparatus
    Patent number: 8537100
    Abstract: The present invention provides a backlight module and a display apparatus. The backlight module comprises at least two light sources; a plurality of light guide units corresponding to the light sources and disposed at one side thereof; and at least one reflective layer formed between the two adjacent light sources, wherein a portion of the reflective layer extends between two of the light guide units corresponding to the two light sources. The present invention can enhance the number of the locally dimmed regions and improve the light interference problem between the different lighting regions.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: September 17, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Lindong Fang, Yicheng Kuo
  • Electrophoresis display device and electronic equipments using the same
    Patent number: 8537103
    Abstract: An object of the present invention is to provide an active matrix type electrophoresis display device whose number of the times of writings is further smaller. In an electrophoresis display device which performs the display of picture using a n-bit digital picture signal, the respective pixels are divided into a plurality of sub-pixels, the respective sub-pixels have a 1-bit memory circuit. Since an electrophoresis element is stable in once written state, upon the display of static picture, the picture is retained by the digital picture signal retained in a memory circuit, therefore, a periodic refresh operation which is conventionally considered to be required are capable of being omitted.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: September 17, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Jun Koyama
  • Transaction automation and archival system using electronic contract disclosure units
    Patent number: 8531424
    Abstract: A system is provided for controlling, real-time logging, and archiving complex commercial transactions such as the purchase and financing of an automobile. An electronic contract disclosure unit or ECDU includes a digitizing display for imaging documents involved in the transaction and a digitizer for manual interaction with images on the display. A computer controls the transaction, and may for instance, control the order of presentation of documents to a vehicle purchaser, receive the purchaser's signature on the displayed documents when required, offer choices of various packages that can be accepted or declined by the purchaser, and insures that the entire transaction is carried out properly. The ECDU logs the transaction for future review and preferably records video and audio. Fingerprint readers allow participants to select between options by pressing their thumb or finger on the readers.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: September 10, 2013
    Assignee: Reynolds & Reynolds Holdings, Inc.
    Inventors: William C. Maloney, Mark A. Singleton
  • Mobile terminal and screen display method thereof
    Patent number: 8514196
    Abstract: A mobile terminal and a screen display method of the mobile terminal are disclosed. The mobile terminal includes: a display that comprises a user interface display region and an information display region; and a controller that changes positions of display regions and displaying the changed positions on the display according to a user selection.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: August 20, 2013
    Assignee: LG Electronics Inc.
    Inventor: Jin Woong Kim