Patents Examined by S. Beck
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Patent number: 8847882Abstract: The present invention relates to an apparatus for recognizing the position of an indicating object. An apparatus for recognizing the position of an indicating object of the present invention comprises: first reflecting means installed along the left, right, and bottom edges of a screen so as to reflect a laser beam emitted from object-detecting means back to the object-detecting means; said object-detecting means, formed as a pair, for analyzing a change in the amount of light in the reflected laser beam over time, and detecting position coordinates of the indicating object on the planar surface of the screen; and fixing means including a housing and a fixing member fixedly installed on an upper portion of the screen and coupled to the housing so as to fix the housing to the upper portion of the screen, the fixing means being intended for facilitating the installation of the object-detecting means on the upper portion of the screen.Type: GrantFiled: November 2, 2010Date of Patent: September 30, 2014Assignee: Smart Sense Technology Co., LtdInventors: Seung-tae Jeong, Bong-hwan Kim
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Patent number: 8847920Abstract: An apparatus includes timing circuitry configured to initiate a timing window in response to input sensed by an optical sensor, association circuitry configured to associate the input with additional input sensed by a different optical sensor if the additional input commences during the timing window and filter circuitry configured to filter out additional input sensed by a different optical sensor if the additional input commences after expiration of the timing window and prior to a subsequent initiation of the timing window. Various other apparatuses, systems, methods, etc., are also disclosed.Type: GrantFiled: February 28, 2011Date of Patent: September 30, 2014Assignee: Lenovo (Singapore) Pte. Ltd.Inventors: Aaron Michael Stewart, Julie Anne Morris, James S. Rutledge
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Patent number: 8847939Abstract: An electric current driving display device includes pixel circuits, a scanning signal output circuit and a display signal output circuit. The pixel circuits include intersecting scanning lines and data lines. Each pixel circuit includes an electro-optical element and a drive element having a control terminal connected to the data line through a switching element. The scanning signal output circuit selects a write-target pixel circuit using the scanning line, and controls the selected pixel circuit outputs, to the data line, a voltage which depends on a threshold voltage of the drive element. The display signal output circuit applies, to the data line, a voltage obtained by adding or subtracting a correction voltage corresponding to the threshold voltage to or from a data voltage corresponding to display data, based on the voltage outputted to the data line.Type: GrantFiled: October 1, 2007Date of Patent: September 30, 2014Assignee: Sharp Kabushiki KaishaInventor: Noritaka Kishi
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Patent number: 8847214Abstract: Disclosed herein is a display including: a pixel array part configured to include pixels that are arranged in a matrix and each have an electro-optical element, a write transistor for writing a video signal, a drive transistor for driving the electro-optical element based on the video signal written by the write transistor, and a holding capacitor connected between gate and source of the drive transistor, wherein the holding capacitor includes a first electrode, a second electrode disposed to face one surface of the first electrode for forming a first capacitor, and a third electrode disposed to face the other surface of the first electrode for forming a second capacitor, and the first capacitor and the second capacitor are connected in parallel to each other electrically.Type: GrantFiled: December 10, 2012Date of Patent: September 30, 2014Assignee: Sony CorporationInventors: Hiroshi Sagawa, Katsuhide Uchino, Tetsuro Yamamoto
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Patent number: 8847897Abstract: The touch-operating input device is configured so that when the control circuit turns on the main light source corresponding to each of the translucent operation buttons that can be operated, the control circuit, on condition that the translucent operation button corresponding to the main light source that is turned on is operated, turns off the sub-light source corresponding to the translucent operation button that is turned on simultaneously with the main light source. Ease of operation is increased by enabling the operator to distinguish operated translucent operation buttons from translucent operation buttons that have not been operated according to whether or not the main light sources are lit.Type: GrantFiled: February 22, 2010Date of Patent: September 30, 2014Assignee: Toyo Denso Kabushiki KaishaInventors: Naohiro Sakai, Yoshitaka Noguchi, Shigeharu Nezu
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Patent number: 8847930Abstract: A combination writing pen and stylus is disclosed. The device has an internal ink cartridge deployable through a hole in the stylus tip. The stylus tip extends from a sleeve that is formed of a conductive elastomeric material. The sleeve extends up a rigid shaft of the device such that it contacts a sufficient ground. The stylus tip may be coated with a protective material that adjusts the coefficient of friction and prevents carbon deposits on the touch screen. A sufficient contact patch is achieved to simulate a human finger so as to overcome false positives from common touch screen logic. This is done by altering tip geometries around an air cavity within the sleeve.Type: GrantFiled: November 18, 2011Date of Patent: September 30, 2014Assignee: Wimo Labs LLCInventors: Geoffrey Arthur Coleridge Boyd, Erik A. Holverson, Scott Wilson
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Patent number: 8842065Abstract: An LCD device of an edge type is disclosed. The LCD device analyzes brightness of an input image in blocks using an algorithm and generates lamp drive signals corresponding to the analyzed block brightnesses. Also, the LCD device applied the lamp drive signals to a plurality of light sources. As such, the LCD device with the edge type backlight unit can be divisionally driven in blocks.Type: GrantFiled: May 29, 2009Date of Patent: September 23, 2014Assignee: LG Display Co., Ltd.Inventor: Jin Taek Choi
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Patent number: 8836680Abstract: A pixel circuit is disclosed that includes a video mode, a memory mode and an inversion mode of operation. The pixel circuit includes a pixel storage node for storing data to be output by a liquid crystal cell, a pixel write circuit configured to receive display data and provide the display data to the pixel storage node for storage thereon. Further, the pixel circuit includes a hold circuit operatively coupled to the pixel write circuit and configured to minimize leakage of charge from the pixel storage node through the pixel write circuit, and an internal inversion circuit operatively coupled to the hold circuit and the pixel storage node and configured to invert a voltage of the data stored on the pixel storage node and a voltage applied to a liquid crystal cell that receives data stored on the pixel storage node.Type: GrantFiled: August 4, 2011Date of Patent: September 16, 2014Assignee: Sharp Kabushiki KaishaInventor: Patrick Zebedee
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Patent number: 8823606Abstract: An EL display apparatus according to the present invention includes EL device (15) adapted to emit light at a luminance corresponding to a current fed thereto. A source driver (14) outputs a current higher than a current corresponding to an image signal to the EL device (16) through a source signal line (18). This operation charges/discharges a parasitic capacitance present in the source signal line (18). A transistor (11d) formed between the EL device (15) and the source driver (14) operates so that the EL device (15) is fed with the current for only a part of a one-frame period. As a result, the El device (15) emits light for only the part of the period.Type: GrantFiled: September 6, 2002Date of Patent: September 2, 2014Assignee: Panasonic CorporationInventors: Hiroshi Takahara, Hitoshi Tsuge
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Patent number: 8822995Abstract: A display substrate includes a switching transistor electrically connected to a gate line and a data line, the data line extending in a first direction substantially perpendicular to the gate line extending in a second direction, the switching transistor including a switching active pattern comprising amorphous silicon, a driving transistor electrically connected to a driving voltage line and the switching transistor, the driving voltage line extended in the first direction, the driving transistor including a driving active pattern comprising a metal oxide; and a light-emitting element electrically connected to the driving transistor.Type: GrantFiled: June 17, 2009Date of Patent: September 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Chun-Gi You, Kap-Soo Yoon, Gug-Rae Jo, Sung-Hoon Yang, Ki-Hun Jeong, Seung-Hwan Shim, Jae-Ho Choi
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Patent number: 8817011Abstract: A drive device drives a display panel through alternately applying a positive polarity gradation voltage and a negative polarity gradation voltage to the display panel. The drive device includes an amplifier unit for amplifying a voltage applied to an input to obtain an amplified gradation voltage, and a voltage generation unit for generating the positive polarity gradation voltage and the negative polarity gradation voltage according to the amplified gradation voltage. The amplifier unit selects one of the positive polarity gradation voltage and the negative polarity gradation voltage immediately before the amplifier unit switches a gradation reference voltage. The selected gradation voltage has a polarity the same as that of the gradation reference voltage to be applied to the input line after the amplifier unit switches the gradation reference voltage.Type: GrantFiled: August 17, 2011Date of Patent: August 26, 2014Assignee: Lapis Semiconductor Co., Ltd.Inventor: Norihiko Satani
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Patent number: 8817055Abstract: The present invention is a data transfer circuit applicable to a liquid crystal display apparatus with a drive circuit formed integrally, for example, on an insulation substrate, and configured such that only an inverted output of a latch result of a first latch section (41) or only a non-inverted output thereof is data-transferred to a second latch section (42) and, at least during a period of data transfer to the second latch section (42), a power supply voltage of the first latch section (41) is raised.Type: GrantFiled: July 6, 2004Date of Patent: August 26, 2014Assignee: Japan Display West Inc.Inventors: Yoshitoshi Kida, Yoshiharu Nakajima
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Patent number: 8810490Abstract: In a display apparatus, a plurality of pixels are arranged in first and second directions, and each pixel includes at least one dot. A plurality of data lines are provided between two adjacent dots while extending in the first direction. A plurality of gate lines are provided between two adjacent dots while extending in the second direction. Among dots arranged in the first direction between an mth data line and an (m+1)th data line, at least one first dot is connected to one of the mth data line and the (m+1)th data line, and at least one second dot is connected to one of an (m?1)th data line and an (m+2)th data line. Accordingly, the display quality of the display apparatus including four dots or an even number of dots is improved.Type: GrantFiled: July 23, 2010Date of Patent: August 19, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sungjae Moon, Donggyu Kim, Seongyoung Lee, Ji-Sun Kim
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Patent number: 8810502Abstract: A display system capable of switching 2D/3D mode includes a signal source, a 3D backlight control signal generation circuit, and a display. The signal source is used for transmitting a vertical synchronization signal and a left eye/right eye control signal. The 3D backlight control signal generation circuit is used for executing a first logic operation on the vertical synchronization signal and the left eye/right eye control signal to output a 3D left eye backlight control signal, and executing a second logic operation on the vertical synchronization signal and the left eye/right eye control signal to output a 3D right eye backlight control signal. The display displays 3D images according to the 3D left eye backlight control signal and the 3D right eye backlight control signal.Type: GrantFiled: February 23, 2011Date of Patent: August 19, 2014Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Tao-Ching Yu, Jhen-Shen Liao, Yung-Yu Hsieh
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Patent number: 8810478Abstract: There has been a problem of displacement of luminance and chromaticity among multiple screens due to a temperature change and a temporal change of a light source of the screen.Type: GrantFiled: December 2, 2010Date of Patent: August 19, 2014Assignee: Mitsubishi Electric CorporationInventors: Yoshinori Asamura, Isao Yoneoka, Takashi Matoba
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Patent number: 8806382Abstract: In a terminal device 10, two rectangular casings 11A, 11B are connected by a hinge section 12, and touch screens TD1, TD2 of the same shape and size (rectangular) are arranged on substantially the entire inner surface thereof, respectively. When a slide operation performed on at least one of the touch screens TD1, TD2 is detected with the two vertically long casings 11A, 11B being horizontally aligned (horizontally opened state), a control section 1 identifies the touch screen on which the slide operation has been performed as an operation screen and performs display control corresponding to the slide operation on the touch screens TD1, TD2 including the operation screen and a touch screen related thereto (such as an adjacent screen). For example, it sequentially performs page turning on display information on the touch screens TD1, TD2, as display control corresponding to the slide operation.Type: GrantFiled: March 8, 2011Date of Patent: August 12, 2014Assignee: NEC Casio Mobile Communications, Ltd.Inventor: Masayuki Matsuda
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Patent number: 8803862Abstract: A display device having a data voltage generation circuit and a common voltage generation circuit that are both coupled to a common reference voltage is provided. By utilizing a common ground, variations between the data signals relative to the common voltage may be reduced, thereby improving voltage precision and color accuracy. In one embodiment, the data voltage generation circuit may be a gamma adjustment circuit that utilizes a resistor string having a center grounding point. The common voltage generation circuit may share the resistor string and the grounding point with the gamma adjustment circuit. Thus, data voltage signals and common voltage signals may be derived based on the same voltage reference point. Further, by sharing the resistor string, the total number of circuit components in the display device may be reduced, thereby reducing overall chip area and/or manufacturing costs.Type: GrantFiled: July 19, 2010Date of Patent: August 12, 2014Assignee: Apple Inc.Inventor: Yongman Lee
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Patent number: 8803850Abstract: Control rings are mounted on a stylus body. A controller within the stylus body generates a control signal dependent upon the control rings. The control signal is transmitted to a host electronic device where information contained in the control signal is used to control properties of a drawing tool in a computer drawing application.Type: GrantFiled: June 15, 2012Date of Patent: August 12, 2014Assignee: BlackBerry LimitedInventors: Jason Tyler Griffin, Tracy Christina Sharp, Mario Duarte Rodrigues Siqueira
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Patent number: 8797283Abstract: A method and apparatus for performing a task at a handheld device. The method includes detecting a first gesture at a handheld device, monitoring for a second gesture in response to detecting the first gesture, detecting the second gesture at the handheld device, determining whether the second gesture corresponds to a task and performing the task when it is determined that the second gesture corresponds to the task.Type: GrantFiled: November 22, 2010Date of Patent: August 5, 2014Assignee: Sony Computer Entertainment America LLCInventor: Erich Peter Waas
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Patent number: 8797290Abstract: An electrode layout for a touchscreen includes multiple sense electrodes. Each sense electrode has multiple spines coupled to each other, including a main spine and at least one spaced apart interpolation spine running in the same direction. The interpolation spine of one sense electrode is positioned adjacent a spaced apart interpolation spine of a neighboring sense electrode to provide interpolated sense electrodes.Type: GrantFiled: October 22, 2009Date of Patent: August 5, 2014Assignee: Atmel CorporationInventor: Esat Yilmaz