Patents Examined by Alexander S. Beck
  • Patent number: 9063618
    Abstract: According to one aspect of the invention, a coordinate input apparatus for calculating a position of an object positioned on an input area comprises: a light projecting unit; retroreflecting members arranged along two opposite sides of a rectangular area including the input area, and having a reflecting surface which reflects the light emitted by the light projecting unit; a light receiving unit; and a calculation unit configured to calculate the position of the object based on a measurement result from the light receiving unit, wherein a set of the light projecting unit and the light receiving unit arranged adjacent to the retroreflecting member to sandwich the retroreflecting member in a direction perpendicular to a surface of the input area are positioned in at least two portions of each of the retroreflecting members arranged on the two opposite sides.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: June 23, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Ritsuo Machii
  • Patent number: 9052521
    Abstract: A laser-based display device includes a plurality of ultraviolet lasers configured to excite a phosphor-containing display screen in order to produce visible light. The laser-based display device also includes a reference laser used for calibration operations. A control system within the laser-based display device causes the reference laser beam to scan across one or more calibration features, and adjusts optical components of the laser-based display device, including activation timing of the ultraviolet lasers, based on feedback patterns generated by the calibration features, to compensate for drift effects. The calibration features may be disposed off-screen or on-screen.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: June 9, 2015
    Assignee: PRYSM, INC.
    Inventors: Roger Hajjar, Chris Butler, Brian Tremaine
  • Patent number: 9052769
    Abstract: A mobile terminal and an operating method thereof are provided. The operating method includes providing a transparent flexible display having a first display region at the front of the transparent flexible display and a second display region at the rear of the transparent flexible display; displaying an image in the first display region; determining whether a bend signal indicating that the transparent flexible display is bent is detected; and if the results of the determining indicate that a portion of the second display region has the same display direction as that of the first display region, displaying information regarding the image in the portion of the second display region having the same display direction as that of the first display region. Therefore, it is possible to display various information not only using a display region at the front of a display device but also using a display region at the rear of the display device.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: June 9, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Kil Soo Choi, Nam Yong Park, Kwang Suh Jung, Sung Won Jung, Kyung Ju Lee, Yeong Seok Kim, Byung Eun Bong, Kyoung Jin Seo, Jong Hwan Kim, Dae Hyun Baek
  • Patent number: 9047828
    Abstract: A liquid crystal display includes: a liquid crystal panel including a first region and a second region; a first signal controller which generates a first representative value representing image signals of the first region; a second signal controller which generates a second representative value representing image signals of the second region and transmits the second representative value to the first signal controller; a light source unit which irradiates light to the liquid crystal panel; and a light source driver which controls luminance of the light source unit. The first signal controller transmits a luminance of the light source unit to the light source driver. The luminance of the light source unit is calculated from the first representative value and the second representative value.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyoung-Phil Kim, Jae Wan Park, Jang-Hyun Yeo
  • Patent number: 9041658
    Abstract: A touch screen device and an operating method are provided in which only a specific position on a touch screen is activated to receive signals. The touch screen device includes a screen including a display configured to display menu images thereon and a detector configured to detect a screen touch, and a controller configured to control operations of the device according to the screen touch detected by the detector. The controller may cause the detector to be divided into an execution area configured to execute a menu when the menu placed on the execution area is touched, and a selection area configured to sequentially move the menu images to the execution area when the selection area is touched. Alternatively, the controller may cause the detector to be divided into a moving area configured to move a menu from a touch point along a drag line while the menu is dragged, and an execution area configured to execute the relevant menu when the touch on the execution area is released.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: May 26, 2015
    Assignee: LG ELECTRONICS INC
    Inventors: Ho Joo Park, Ji Suk Chae, Young Ho Ham, Kyung Hee Yoo, Ji Ae Kim, Yu Mi Kim, Sang Hyun Shin, Seung Jun Bae, Yoon Hee Koo, Seong Cheol Kang
  • Patent number: 9035852
    Abstract: A method for driving a light-emitting device comprises steps of: supplying a first potential to a drain of a transistor and a second potential being lower than the first potential to a cathode of a light-emitting element; supplying a third potential which is lower than a potential obtained by adding the threshold voltage of the transistor, the threshold voltage of the light-emitting element, and the second potential to a gate electrode of the transistor, and a fourth potential being lower than a potential obtained by subtracting the threshold voltage of the transistor from the third potential to the source of the transistor; stopping supply of the fourth potential to the source of the transistor; and supplying a potential of an image signal to the gate electrode of the transistor.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: May 19, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Jun Koyama, Hiroyuki Miyake
  • Patent number: 9035871
    Abstract: An apparatus, and an associated method, forms a user interface permitting input of input instructions to an electronic device. Input commands are evidence by tactile input forces applied to a force receiving surface. Force sensing elements are positioned to sense indications of the tactile input force. The force sensing element is caused to exhibit a selected input parameter value through application of a selected force thereto by application of a tightening torque to a fastener positioned in proximity to the force sensing element.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: May 19, 2015
    Assignee: BlackBerry Limited
    Inventors: Patrick Clement Strittmatter, Marc Edward Holbein, Rene Pierre Marchand, Angela Dawn Usiski
  • Patent number: 9030459
    Abstract: A backlight unit includes a DC-DC converter; a voltage control unit which controls output voltage of the DC-DC converter; a plurality of unit light emitting diode arrays; and current deviation compensating unit in connection with input terminals of the plurality of unit light emitting diode arrays. The current deviation compensating unit receives the controlled voltage of the voltage control unit and transfers a feedback signal to the voltage control unit based on the received voltage, and actively compensates a current deviation generated by electrical characteristics of the plurality of unit light emitting diode arrays and transfers the compensated current deviation to the input terminals of the plurality of unit light emitting diode arrays.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Won Jang, Min-Soo Choi, Young Sup Kwon
  • Patent number: 9019229
    Abstract: A circuit for converting charge measured from a touch screen into a digital signal can include a sample and hold circuit. The sample and hold circuit can sample and integrate a charge from a capacitive sense matrix, and hold a voltage signal representing the measured charge. A sigma delta converter can convert the voltage into a digital value.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: April 28, 2015
    Assignee: STMicroelectronics Asia Pacific Pte Ltd
    Inventors: Yannick Guedon, Kien Beng Tan
  • Patent number: 9013441
    Abstract: A method and apparatus scan a plurality of scan groups in a capacitive sense array to generate signals corresponding to a mutual capacitance between the electrodes. Each of the plurality of scan groups is formed from a subset of the plurality of electrodes. A processing device identifies a scan group where the generated signal is affected by a presence of a conductive object. The processing device individually scans the subset of the plurality of sense elements in the identified scan group to determine a location of the conductive object.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: April 21, 2015
    Assignee: Cypress Semiconductor Corporation
    Inventors: Victor Kremin, Oleksandr Pirogov, Andriy Ryshtun
  • Patent number: 9013455
    Abstract: Powered by a battery module, an active pen may transmit a signal that is intended for detection by a touch screen. The active pen may comprise an elongated clip member connected to an elongated body member, the free end of the clip member having a ground contact, and the body member having control and charging contacts opposite the ground contact. The free end may be biased such that the ground contact is normally in contact with the control and charging contacts, thereby maintaining the active pen in a signal-transmitting state until separation of the contacts. An electronic device may charge the battery module, optionally responsive to authorization thereof. The electronic device may comprise a partition member to separate the free end of the clip member from the body member, the partition member having contacts corresponding to those of the active pen for enabling charging of the battery module.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: April 21, 2015
    Assignee: BlackBerry Limited
    Inventors: Cornel Mercea, Yu Gao, Amit Pal Singh
  • Patent number: 9007330
    Abstract: A touch panel and a method of producing the touch panel are provided in which a touch panel having a gap between two transparent substrates that is uniform in a plane can stably be obtained by setting a gap between the two transparent substrates in an area where a wiring substrate is disposed to a desired gap. A touch panel includes a pair of transparent substrates opposed to and away from each other and connection terminals provided on at least one of opposed surfaces of the pair of transparent substrates. A wiring substrate that is disposed between the pair of transparent substrates and has one surface electrically connected to the connection terminals and the other surface disposed away from one of the transparent substrates opposed to the other transparent substrate on which the connection terminals are provided.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: April 14, 2015
    Assignee: Sony Corporation
    Inventors: Kiyohiro Kimura, Kazuhiro Miura
  • Patent number: 8988331
    Abstract: There is provided an optical recording display device having a display section. The display section includes: a plurality of pixels; a plurality of pixel electrodes each of which is formed for each of the plurality of pixels, and is connected to a transistor; a common electrode which is opposite to the plurality of pixel electrodes, and an electro-optical material layer having a memory property which is disposed between the plurality of pixel electrodes and the common electrode; a plurality of scanning lines which is respectively connected to a gate of the transistor and is connected to each other in a direct manner or through an electric circuit; and a plurality of data lines which is respectively connected to a source of the transistor and is connected to each other in a direct manner or through an electric circuit.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: March 24, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Katsunori Yamazaki
  • Patent number: 8970477
    Abstract: A exemplary key assembly for a handheld device includes one or more L-shaped key structures each having a first member configured to receive an input keystroke and a second member substantially orthogonal to the first member; and a frame configured to receive the one or more L-shaped key structures, the frame having a wall aligned with the second member of the key structure, with the wall further comprising a switch for each of the one or more L-shaped key structures associated with an inner surface of the wall, wherein each switch is associated with an actuator associated with the second member of the corresponding key structure such that depression of a given key structure causes the actuator of the second member of the key structure to engage the switch of the wall.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: March 3, 2015
    Assignee: BlackBerry Limited
    Inventors: Norman Miner Ladouceur, Jason Tyler Griffin, Martin Riddiford, Daniel Jordan Kayser, Tracy Christina Sharp, Rachael Elizabeth Roberts
  • Patent number: 8928703
    Abstract: A pixel structure is provided. The pixel structure includes a first pixel unit, a second pixel unit and a discharge unit. The first pixel unit includes a first active device and a first pixel electrode. The second pixel unit includes a second active device and a second pixel electrode. Gates of the first active device and the second active device are electrically connected to a scan line. Drains of the first active device and the second active device are electrically connected to a data line. The first pixel electrode is electrically connected to a source of the first active device. The second pixel electrode is electrically connected to a source of the second active device. The discharge unit is configured to set that a voltage of the second pixel electrode is smaller than a threshold voltage according to a driving signal received by a driving line.
    Type: Grant
    Filed: January 15, 2012
    Date of Patent: January 6, 2015
    Assignee: Au Optronics Corporation
    Inventors: Yu-Sheng Huang, Ya-Ling Hsu
  • Patent number: 8928578
    Abstract: A method of assisting discovering a cursor on an electronic display is disclosed. In general, if a cursor moves from one display region to another and there is a difference in ambient light, a cursor adjustment may need to be executed. In another embodiment, the method may look to see if a user is moving the cursor in a fashion to locate the cursor in which case a cursor adjustment should be executed. If three cursor inputs are in successively opposite directions or have opposite acceleration and are received within a brief period of time, the cursor adjustment may be executed.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: January 6, 2015
    Assignee: Microsoft Corporation
    Inventors: Manuel Alexander Schroder, Michael H. LaManna
  • Patent number: 8922599
    Abstract: A multiple pixel display driving system and method. A display generator displays a plurality of images on a multiple pixel display. An aging monitor determines values of total electrical current consumed by the multiple pixel display while displaying the images, and determines electrical current value differences between baseline electrical currents total electrical currents associated with a test pattern image. A plurality of pixel aging characterization values indicating decreases in electrical current consumed by a pixels of the display is determined, and a display aging compensation matrix representing values by which pixel intensity values are to be compensated is determined based on the pixel aging characterization values.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: December 30, 2014
    Assignee: BlackBerry Limited
    Inventor: Jackson Chi Sun Lai
  • Patent number: 8913052
    Abstract: A display device includes a display panel, a module frame having first and second contact pins, and a Printed Circuit Board (PCB) having first and second pads connectable with the first and second contact pins of the module frame, respectively, in a contacting state and disconnectable therewith in a non-contacting state. The first and second contact pins are electrically connected to each other. The PCB includes a circuit block in a non-operational state when the first and second pads are in the non-contacting state with the first and second contact pins of the module frame, respectively.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: December 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: BonSeog Gu, Haekwan Seo, Taejin Kim, Doyoub Kim, Myungho Lee
  • Patent number: 8907992
    Abstract: An overdriving value generating method adapted to a liquid crystal display (LCD) is provided. The overdriving value generating method includes the following steps. A current gray value and a previous gray value are received. A first gray reference value and a second gray reference value closed to the current gray value, and a first previous gray reference value and a second previous gray reference value closed to the previous gray value, and four first overdriving values are obtained according a look-up table (LUT). A target overdriving value corresponding to the current gray value and the previous gray value is obtained through a four dots interpolation operation or a parallelogram interpolation operation according to the current gray value, the previous gray value, the first gray reference value, the second gray reference value, the first previous gray reference value, the second previous gray reference value, and the first overdriving values.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: December 9, 2014
    Assignee: Innolux Corporation
    Inventors: Fu-Chi Yang, Guo-Wei Peng, Ching-Hung Liu, Shih-Hsiang Ting
  • Patent number: 8907866
    Abstract: A displaying unit displaying an image, a recognizing unit recognizing use history of the displaying unit, and a decision unit deciding a permissible viewing time of the image for a user, based on the use history are provided, and the display of the image by the displaying unit is stopped according to the permissible viewing time. Alternatively, the user is encouraged to finish watching the image according to the permissible viewing time. In a head mount display including a displaying unit and mountable on the head of a user, it is possible to realize a fatigue countermeasure appropriate for a user.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: December 9, 2014
    Assignee: Nikon Corporation
    Inventor: Shigeru Kato