Abstract: The present invention provides an image processing circuit capable of performing overdrive processing on all gray-scale while suppressing the degradation of the contrast of a liquid crystal display.

Abstract: The present invention relates to a power controlling method in a mobile radio communication system using Automatic Repeat reQuest (ARQ) scheme, and more particularly to a power controlling method of response (ACK/NACK) signals for transmitting the ACK/NACK signals in different power based on the permissible probabilities of reception error that the system requires. When the ACK/NACK signals are transmitted and received in the automatic repeat request (ARQ) system, since the ACK/NACK signals can be transmitted in accordance with the transmission power satisfying an error rate required in each signal by differentiating the transmission power of the signal according to each ACK/NACK, the power consumption required in the transmission of the ACK/NACK signals can be reduced.

Abstract: Disclosed is a liquid crystal display (LCD) device which is capable of minimizing deterioration in picture quality caused by a kickback voltage, and a driving method thereof. The LCD device includes an LCD panel having a plurality of liquid crystal cells to which a pixel voltage signal is supplied, and a compensating common voltage generator for generating different compensating common voltages according to a pixel voltage signal which is fed back from the LCD panel.

Abstract: In accordance with a method of manufacturing a liquid crystal display device including, in a picture element, a first sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth1 and a second sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth2, liquid crystal, which polymerizable components are added to, is filled into the space between a first and a second substrates; thereafter, a voltage V1 slightly higher than the threshold voltage Vth1 is applied to a liquid crystal layer, and is held for a certain length of time; subsequently, a voltage V2 slightly higher than the threshold voltage Vth2 is applied to the liquid crystal layer, and is held for a certain length of time; additionally, a voltage V3 higher than a white-displaying voltage which is applied while the liquid crystal display device is in actual use is applied to the liquid crystal layer, and is held for a certain length of time; then, t

Abstract: Liquid crystal display drivers include a conversion control signal generator and an output driver. The conversion control signal generator is configured to generate a first conversion control signal and a second conversion control signal, offset from the first conversion control signal, based on an input clock signal and a polarity modulation signal for reversing polarity of pixel of the liquid crystal display. The output driver includes a plurality of amplifiers having input terminals whose polarities are reversed responsive to a selected one of the first conversion control signal or the second conversion control signal. The output driver is configured to selectively output corresponding output signals of the amplifiers as driving signals of the liquid crystal display based on the polarity modulation signal.

Abstract: The present invention provides an image processing circuit capable of sufficiently correcting a temperature characteristic of a response speed, varying depending on gray-scale, of a liquid crystal display, while suppressing an increase in circuit scale.

Abstract: An electro-optical device includes a plurality of scanning lines; a plurality of data lines; a plurality of pixels that are provided so as to correspond to intersections between the plurality of scanning lines and the plurality of data lines, each of the pixels has a pixel electrode, and a switching element that allows, when the selection voltage is applied to the scanning line, the data line and the pixel electrode to enter a conductive state; a scanning line driving circuit that supplies a selection voltage for selecting the plurality of scanning lines in a predetermined order; and a data line driving circuit that supplies, when the scanning line is selected, an image signal to the corresponding data line in accordance with a gray-scale level of the corresponding pixel.

Abstract: A display device includes a display panel, a driving unit, a common voltage generating unit and a first compensating unit. The display panel includes a plurality of pixel units. Each of the pixel units has a switching element and a storage capacitor electrically connected to the switching element. The driving unit applies a driving signal to the switching element. The common voltage generating unit applies a first common voltage to the storage capacitor. The first compensating unit compensates for a distorted portion of the first common voltage based on a fed back first common voltage from the display panel.

Abstract: A display device which is used in a miniaturized portable information device can exhibit the low power consumption even when a display is not changed over for a long period in a state that a battery or the like is used as a power source. The display device can maintain a high numerical aperture by suppressing the number of parts even when a memory element is provided to a pixel. In a liquid crystal display device, a pixel exhibits the low power consumption by including a memory element and thus preventing the transmission of a video signal. By making use of a charge held in a pixel electrode of a liquid crystal display panel, a signal for AC driving is formed in the inside of a pixel thus performing AC driving to perform a display without deteriorating liquid crystal even when the video signal is not rewritten. The liquid crystal display device can realize the memory element with the simple constitution without sacrificing a numeral aperture.

Abstract: A shift register includes plural stages of flip-flops. The last-stage flip-flop Fn and the flip-flop Fn?1 that is the preceding flip-flop thereof are reset by inputting thereto an output signal from the last-stage flip-flop. A delaying means is provided, between an output terminal Q of the last-stage flip-flop for outputting the output signal and an input terminal R of the last-stage flip-flop for receiving the output signal, for delaying an input of the output signal to the input terminal R. The flip-flop Fn is reset at same time or after the preceding flip-flop Fn?1 is reset. With this arrangement, it is possible to prevent malfunctions of circuits due to a failure to reset the flip-flops.

Abstract: A shift register includes plural stages of flip-flops. The last-stage flip-flop Fn and the flip-flop Fn?1 that is the preceding flip-flop thereof are reset by inputting thereto an output signal from the last-stage flip-flop. A delaying means is provided, between an output terminal Q of the last-stage flip-flop for outputting the output signal and an input terminal R of the last-stage flip-flop for receiving the output signal, for delaying an input of the output signal to the input terminal R. The flip-flop Fn is reset at same time or after the preceding flip-flop Fn?1 is reset. With this arrangement, it is possible to prevent malfunctions of circuits due to a failure to reset the flip-flops.

Abstract: In a peripheral driver circuit of a liquid crystal electro-optical device is comprised of a shift register circuit arranged by a plurality of registers, and a circuit for supplying power to each register. When an input signal is entered into an nth register, a supply of power to at least a portion of registers other than the nth register is stopped. The shift register circuit is constructed of a P-channel type TFT and a resistor. The circuit for supplying the power controls the supply of power to the shift register by using the output of the shift register circuit. This circuit for supplying the power is arranged by a P-channel type TFT and a resistor. The consumption power of the circuit for supplying the power is equal to and lower than that of the shift register circuit.

Abstract: A backlight device is configured from a drive unit and a backlight. The backlight includes a first light source group and a second light source group. The drive unit drives one or more fluorescent lamps of the first light source group in response to a first synchronous signal, and drives one or more fluorescent lamps of the second light source group in response to a second synchronous signal. A phase difference between the first synchronous signal and the second synchronous signal is within a range greater than 60 degrees and smaller than 120 degrees, or a range greater than 240 degrees and smaller than 300 degrees.

Abstract: A visible light communications transmitter combines a modulated carrier signal with a pulse from a pulse generator. The carrier signal is modulated according to data read from a buffer during the pulse.

Abstract: A display apparatus comprising a receiving unit, a signal-processing unit, and a display device. Histogram distribution data is generated for a luminance level of a video signal output from the signal-processing unit. The apparatus further has a first multiplier, a second multiplier, and a differentiator. The first multiplier multiplies the histogram distribution data by multiplying values, where the higher the luminance level of each part of the histogram data is. The multiplier multiplies the histogram distribution data by multiplying values, where the lower the luminance level of each part of the histogram data is. The differentiator finds a difference between outputs of the first and second multipliers, generating control data that lowers a luminance-adjusting voltage of the display device in accordance with the magnitude ratio of the output from the first multiplier to the output of the second multiplier.

Abstract: According to one embodiment, a display apparatus including a receiving unit, two signal processing units and, a luminance-curve converter, a display device, a histogram-extracting unit, and a characteristic-control-data output unit. The unit sets a characteristic to the luminance-curve converter in accordance with histogram distribution data. The display apparatus further comprises a first control-signal generating unit, a second control-signal generating unit and a selector. The unit generates a first control signal that reduces amount of light emitted from the backlight to a value corresponding to the value obtained by integrating the data for emphasizing the low-region, in the luminance-curve converter. The unit determines darkness of the image from the histogram distribution data and generates a second control signal that reduces amount of light in accordance with the darkness of the image.

Abstract: An liquid crystal display (LCD) (200) includes an LCD panel (210), a timing control circuit (230), and a backlight module 250. The LCD panel includes a gate drive integrated circuit (IC) (211) and a data drive IC (212) formed thereon for driving the LCD panel. The backlight module includes a backlight (256), an inverter (252), an inverter drive IC (255), a voltage feedback circuit (253), and a phase locked loop (PLL) circuit (254). The timing control circuit receives a synchronized input signal and generates a timing control signal for controlling gate drive IC and the data drive IC according to the synchronized input signal. The PLL circuit receives the synchronized input signal and provides a backlight synchronized signal to the inverter drive IC according to the synchronized input signal. The inverter drive IC controls a frequency of the backlight driving signal according to the backlight synchronized signal.

Abstract: The invention relates to an inductive rotating transmitter, comprising a fixed piece and a rotating piece, whereby the fixed piece and the rotating pierce have a common virtual rotational axis and the rotating piece rotates about the fixed piece. The data transmission is carried out over at least one data transmission path by means of at least one inductive element and the data transmission path is arranged outside the rotational axis of the rotating transmitter.

Abstract: Re-calibration of an OLED display of a personal device, such as a mobile phone or a laptop computer, is achieved by an optical sensing arrangement that is temporarily or permanently joined to the personal device. The sensing arrangement can comprise a connector for charging a battery of the portable device and/or a small digital camera or photocell. The re-calibration corrects for uneven aging of the OLED pixels and can occur automatically during battery re-charging.

Abstract: The invention relates to a method of controlling software functions, to an electronic device, and to a computer program product. The electronic device comprises a processing unit for controlling functions of the electronic device, a display coupled to the processing unit, and a control wheel for giving control commands for controlling software functions, the software functions of the electronic device being controllable by detected turning functions of the control wheel. The electronic device is further configured to: determine more than one selection areas on the control wheel; associate the se-lection areas with given software functions; detect from which selection area the turning function starts when a turning function of the control wheel is detected; and perform predetermined software functions on the basis of from which given selection area the turning function is detected to start.

Abstract: The claimed subject matter provides a system and/or a method that facilitates enhancing navigation associated with a portable computing device. An interface can receive surface data based on a change of positioning related to the portable device. A navigation component can implement navigation within the portable computing device based at least in part upon surface data.

Abstract: An electronic control apparatus, system, method and computer program product for selecting and controlling an electronic device from among a plurality of available electronic devices based upon the substantially contemporaneous issuance of a verbal command and device-targeting gaze by a user. The system includes a processor driven controller unit programmed to control a selected device in dependence on generally contemporaneous aural and optical signals. A gaze sensing unit is operatively coupled to the controller unit and is functional to receive the optical signals from a functionally coupled gaze sensor. The optical signals being indicative of a user's device-targeting gaze falling upon a device to be controlled. An aural recognition unit is operatively coupled to the controller unit and is functional to receive the aural signals from a functionally coupled aural sensor.

Abstract: An interactive display facility includes a display component configured to present content so that it is observable by viewers within a vicinity of the display component and a streaming component configured to stream interactive content associated with the presented content to a user device, wherein the interactive content is for presentation to the user in addition to the selected content presented on the display component. The interactive display facility may also include a user detection component configured to detect the presence of a user in a specified vicinity and a content selection component configured to identify content to present to a user detected by the user detection component.

Abstract: A motion detector and method with low power consumption in an inertia sensor. The motion detector is selectively supplied with power for operation of the inertia sensor according to a power control signal. While the inertia sensor is supplied with power, three-dimensional analog signals are sampled, A/D converted, and outputted via a controller. A pulse width of the power control signal is determined by reflecting the sampling and A/D conversion period and reflecting the operation preparing period of the inertia sensor from the A/D converted value.

Abstract: According to one embodiment, a display apparatus having a display, a signal-processing unit, a luminance-curve converter, a histogram-extracting unit, a characteristic-control-data output unit, an integrator, and a multiplier. The signal-processing unit processes a video signal. The converter converts the input/output characteristic of the luminance level of the video signal. The histogram-extracting unit generates histogram distribution data for a luminance level of a video signal. The characteristic-control-data output unit sets a characteristic to the luminance-curve converter so that the converter emphasizes a low-luminance region of the image represented by the input video signal. The integrator integrates data items pertaining to the region emphasized by the converter, thereby generating an integrated value. From the output of the integrator, the multiplier generates an output that lowers the light-adjusting voltage applied to the display device.

Abstract: A display system for a handheld computing device is disclosed. The display system includes a processing unit having a first communication port, and a visual display unit separable from the processing unit. The visual display unit further includes a visual display, and a second communication port. The display unit can be expanded from an initial or storage state to present a larger visual display size. Further, the first communication port providing communication with the second communication port.

Abstract: A system is disclosed for providing input to a computer, the system comprising an optical input area; a controller device; a diagnostic mode for assigning a status of faulty pathway to interrupted pathways; and a normal function mode for excluding interrupted pathways and determining a pair of minimum and maximum coordinates formed at intersections of a first pair and a second pair of outermost interrupted pathways. A method for providing input to a computer is disclosed, the method comprising providing an optical input area and a controller; selecting the diagnostic mode; assigning a status of faulty pathway to interrupted pathways; selecting the normal function mode; excluding interrupted pathways; determining a pair of minimum and maximum coordinates formed at intersections of a first pair of outermost interrupted pathways and a second pair of outermost interrupted pathways; and reporting the pair of minimum and maximum coordinates to the computer.

Abstract: The invention relates to an input device capable of transmitting data according to a wired transmission manner or a wireless transmission manner. The input device includes a receiver and an input module. The receiver is connected to a computer for transmitting a first data to the computer, and includes a first connector and a first wireless transceiving module. The input module includes a signal generating module for generating the first data, a second connector, and a second wireless transceiving module. The input module transmits the first data to the receiver through the first and the second connectors by utilizing the wired transmission manner, or through the first and the second wireless transceiving modules by utilizing the wireless transmission manner.

Abstract: A pen like optical mouse includes a pen like mouse main body, a printed circuit board disposed in the main body in a direction parallel to a central axis of the main body, a light emitting element mounted on the first printed circuit board, a sensor die mounted on the second printed circuit board, and an imaging system for guiding light emitted from the light emitting element to be irradiated onto and reflected by a work surface and then guiding the reflected light so as to be imaged and incident on the sensor die. As the light emitting element and the sensor die are arranged on two separate printed circuit boards, light emitted from the light emitting element is prevented from being directly incident on the senor die so as not to reduce the contrast of images.

Abstract: A power saving method and apparatus for wireless optical mouse is disclosed, the apparatus comprising: a micro control unit (MCU), for controlling the operation of a sensor integrated circuit (IC) of an optical sensor of the wireless optical mouse; a wireless transceiver module, connected to the MCU, for transmitting/receiving electronic signals to/from a corresponding wireless interface of a computer; an oscillation frequency control circuit, for switching the operation frequency of the sensor IC so as to enable the same to be defined by a RC oscillation circuit of the sensor IC while the sensor IC being in a sleep mode, and switching the operation frequency of the sensor IC so as to enable the same to be defined by a crystal oscillation circuit; a light emitting diode (LED) control circuit, for controlling the activation of a LED and thus enabling the motion of the wireless optical mouse to be detected; a sensor cell control circuit, for enabling only one of a plurality sensor cells of a sensor cell array w

Abstract: A keyboard lighting device is disclosed. In a preferred embodiment, a moving member may be placed in an operating position protruding from the keyboard, or in a retracted position. In the operating position, light is redirected from a light source to the keyboard so that use of the keyboard in dark environments is facilitated. Preferably, when the moving member is in its retracted position, the keyboard light appears to be a key on the keyboard.

Abstract: A handheld electronic device includes a reduced QWERTY keyboard and is enabled with disambiguation software that is operable to disambiguate compound word text input. The device provides output in the form of a default output and a number of variants. The output is based largely upon the frequency, i.e., the likelihood that a user intended a particular output, but various features of the device provide additional variants that are not based solely on frequency and rather are provided by various logic structures resident on the device.

Abstract: An x-y user input device, such as a pen tablet or digitizing tablet, used to control a cursor on a display of a data processing system, comprises an imaging device or camera and an image processor for displaying a captured image of a user's hand operating the input device within a window of the display. The input device is generally operated using a pointing device that controls the cursor position on the display while being synchronously imaged and displayed with the user's hand on the display. The position of the captured image of the user's hand and pointing device in the window relative to the cursor corresponds to a position of the hand relative to the pointing device, thereby providing a visualization effect that increases user comfort and proficiency with the input device.

Abstract: A touch controller for a touch sensitive control system having a control interface panel and a plurality of touch detecting elements is configured to accept a first number of input signals via corresponding input connections; monitor each of said touch detecting elements individually to detect user touch activation thereof; and output signals corresponding to detected touches, wherein a number of output signals is less than a number of touch detecting elements in the interface.

Abstract: A touch sensor includes a touch pad; and a circuit configured to detect radiated energy from the touch pad. An impedance connected in series with the touch pad in the circuit, and the impedance selected to approximately match the impedance of a human finger in proximity to the touch pad. The sensor does not require floating power supplies and ground references, and does not rely upon a receiver in the circuit to detect radiated energy.

Abstract: A touch device includes a touch panel and a vibration device to provide tactile feedback to a user to locate a key on a display of the touch panel. A processor generates a drive signal to the vibration device when the position on the display touched by a finger or stylus corresponds to a location of a key on the display. The vibration device causes the display to vibrate in response to the drive signal to provide a tactile key location indication to the user while the key is touched.

Abstract: There is provided a content selection view in which the user can select a content intuitively and easily. When the user places a touch pen in touch with a touch panel in a position corresponding to a position P1 in a map and drags the touch pen along a locus to a position P2 with the touch pen being kept in touch with the touch panel, PD will judge that a grid is still an option. Thereafter, when the user takes the touch pen off the touch panel surface, the PD will select the grid corresponding to the position P2 where the touch pen has finally been in touch with the touch panel. The PD will output not only content data assigned to the selected grid but a sound corresponding, to predetermined content data even while the grid is still an option. The present invention is applicable to a portable recorder/player.

Abstract: A method for implementing a control function via a sensor having a touch sensitive control input surface. The method includes detecting a contact with the touch sensitive control input surface, determining a pressure value corresponding to the contact, and initiating a control function from a set of possible control functions based at least in part on the pressure value.

Abstract: A coordinate detection device mounted on an information terminal apparatus is provided. The coordinate detection device includes a substrate that has a wiring region where leading lines to be connected to detection electrodes are located. The leading lines extend in a direction crossing an extension direction of the detection electrodes in the wiring region. The substrate is deformed such that the wiring region is distant from a surface.

Abstract: An information processing apparatus includes, for example, a touch panel placed over a display screen. For example, when a start of a touch input is detected, the first-touch-input coordinates are determined as object generation coordinates and an object is displayed in the coordinates. When an input direction based on coordinates continuously detected after the object generation coordinates until, for example, a touch-off is determined to be a predetermined direction, the object is moved in a specific direction. Alternatively, an input direction is determined based on coordinates continuously detected after the object generation coordinates until a touch-off, and then, based on the input direction, the direction opposite to the input direction, for example, is determined to be a moving direction and the object is moved in the moving direction.

Abstract: Light beam focusing components direct light from the top surface of a touch screen display to one or more imagers. The imager or imagers capture one or more images of the top surface of the touch screen display. A processing unit analyzes the image or images to determine the position of an input device on or near the top surface of the touch screen display.

Abstract: A touch sensor having an acoustic substrate, an acoustic transducer, and an acoustically diffractive grating is provided. The grating is disposed between the transducer and the substrate, so that acoustic energy from the transducer is coupled to an acoustic wave propagating along the surface of the substrate. If used in a display device, the combination of the transducer and grating may provide a low profile that allows the assembly to be more easily placed between the acoustic substrate and a bezel placed in front of the substrate. No acoustic components need be mounted on the rear surface of the substrate, allowing the acoustic substrate to be formed on the front surface of the display device.

Abstract: A pen-type optical mouse includes a pen-type mouse main body, a first and second printed circuit boards disposed on two sides of the interior of the main body and in a direction parallel to the central axis of the main body respectively, a light emitting element mounted on the printed circuit board, a sensor die mounted on the other side of the printed circuit board opposite to the side on which the light emitting element is mounted, and an imaging system for guiding light emitted from the light emitting element to be irradiated onto and reflected by a work surface and then guiding the reflected light so as to be imaged and incident on the sensor die. As the light emitting element and the sensor die are arranged on opposite sides of the same printed circuit board, light emitted from the light emitting element is prevented from being directly incident on the sensor die so as not to reduce the contrast of images.

Abstract: A touch pen module is provided. The touch pen module in includes a bushing, an extending component and an elastic member. The bushing has a track disposed thereon. The track has a first fixing point and a second fixing point. The extending component has a protrusion capable of sliding with respect to the track. The elastic member is disposed between the bushing and the extending component. The protrusion is capable of sliding between the first fixing point and the second fixing point in the track. The elastic member provides a restoring force to hold the protrusion in place when the protrusion is at the first fixing point and the second fixing point.

Abstract: A handheld electronic device includes a reduced QWERTY keyboard and is enabled with disambiguation software that is operable to disambiguate compound word text input. The device provides output in the form of a default output and a number of variants. The output is based largely upon the frequency, i.e., the likelihood that a user intended a particular output, but various features of the device provide additional variants that are not based solely on frequency and rather are provided by various logic structures resident on the device.

Abstract: A device for digitally generating a plurality of still pictures consist of a bistable reflective full color flat panel display such as an interference modulation flat panel display (IMD), a coated non-glare coating on the viewing side of the display panel, a cartridge shaped CPU, and a cartridge shaped audio/video playback system which are located in the picture frame. The reflective display disclosed in this patent resembles a traditional painting or photograph, and allows better viewability and reduces eye fatigue linked with luminous display device. The reflective flat panel display has bistable characteristics and therefore it consumes extremely low power in a still picture display state, and it is preferably powered by a set of batteries. The device is a structure resembling a framed picture, portrait, or a painting used in a home, hotel, museum, gallery, building corridor, or any people gathering place, and the displayed content can be easily changed digitally.

Abstract: A video processing apparatus and method are provided where a video processor processes an image formed by a plurality of pixels having position data on a display panel to be displayed in the display panel, and a compensation factor corresponding to a distance from a center of the display panel to a pixel is stored for each pixel. A compensation factor extractor extracts the compensation factor corresponding to the pixel from storage, based on the position data of the pixel, and a compensator compensates brightness of each pixel based on the extracted compensation factor. The video processing apparatus and method provide for display of video images with adequate brightness depending on the displaying and viewing positions.

Abstract: According to one embodiment, an information processing apparatus that includes a display panel; a filter facing the display panel; and a drive section turns on the filter in response to driving start of the display panel.

Abstract: A display memory able to reduce power consumption, able to generate graphics at a high speed, and not needing memory mapping, a driver circuit, a display using the driver circuit, and a portable information apparatus, wherein a CPU read circuit is connected to one bit line of a display memory 7, a display read circuit is connected to the other bit line, a write circuit is connected to both bit lines, the CPU read circuit and write circuit are assigned to the access from the CPU, the display read circuit is assigned to the display screen display, and further the access from the CPU and the reading to the display screen are assigned to different two level periods of a clock signal of the memory and independently controlled. Further, a drive power supply of the display memory is divided and a drive power supply voltage is supplied to the display memory for every memory cell or for every plurality of memory cells.

Abstract: A monitor includes a memory and a radio frequency identification (RFID) control unit. The memory is for storing extended display identification data (EDID). The RFID control unit, coupled to the memory, is for sending the EDID stored in the memory to the RFID reader and storing the EDID sent from the RFID reader into the memory. The EDID access method includes performing an EDID reading procedure including sending out a read data signal to the RFID control unit by using the RFID reader, and packing the EDID stored in the memory into a RFID-format signal and outputting the RFID-format signal to the RFID reader; and performing an EDID writing procedure including sending a write data signal having the EDID to the RFID control unit by using the RFID reader, and writing the EDID of the write data signal into the memory by using the RFID control unit.