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Electro-optical device, drive circuit, and electronic apparatus

April 24, 2008

A drive circuit of an electro-optical device includes: plural rows of scanning lines; plural columns of data lines; a plurality of common electrodes; pixel switching elements, pixel capacitors; and pixels. Here, the drive circuit includes a scanning line drive circuit; and first transistors corresponding to the plurality of common electrodes. Each of the first transistors includes: a common electrode drive circuit for connecting the common electrode to a power supply line, to which a predetermined voltage is applied, when the scanning line is selected, a common signal output circuit having a voltage for allowing a detection voltage of the common electrode corresponding to a scanning line to become a reference voltage when the scanning line is selected, and a data line drive circuit having a voltage according to the gray scale level of the pixel to the pixel corresponding to the selected scanning line via the data line.

HAND-HELD ELECTRONIC DEVICE WITH MULTIPLE INPUT MODE THUMBWHEEL

April 24, 2008

A thumbwheel input device oriented on an incline and comprising a wheel such that a first input is generated by rotation of the wheel about its axis, and a holder also having an axis of rotation and a portion thereon to receive the wheel whereby a second input is generated by rotation of the holder about the second axis.

Information Display System

April 24, 2008

The information display system has: a display panel portion 100 , in which display media are sealed in a closed space between opposed two substrates, at least one substrate being transparent, and, in which the display media, to which an electrostatic filed is applied, are made to move so as to display information such as an image; and a control CPU 101 constantly connected to the display panel portion 100 . In the control CPU, a driving program is installed, and, in the case that displayed information on the display panel portion 100 is continuously displayed without varying for more than a predetermined time (for example, one day or one week), an action, such that the displayed information is changed back to an original display information after making even or reversing an electric field distribution of the display media, is performed at least one time. Thereby, the information display system suitable for an electric POP such as an electric shelf label is provided, in which driving characteristics are not affected, even if the same information is continuously displayed for a long time.

PROGRAMMABLE BLENDING IN A GRAPHICS PROCESSING UNIT

April 24, 2008

Techniques for implementing blending equations for various blending modes with a base set of operations are described. Each blending equation may be decomposed into a sequence of operations. In one design, a device includes a processing unit that implements a set of operations for multiple blending modes and a storage unit that stores operands and results. The processing unit receives a sequence of instructions for a sequence of operations for a blending mode selected from the plurality of blending modes and executes each instruction in the sequence to perform blending in accordance with the selected blending mode. The processing unit may include (a) an ALU that performs at least one operation in the base set, e.g., a dot product, (b) a pre-formatting unit that performs gamma correction and alpha scaling of inbound color values, and (c) a post-formatting unit that performs gamma compression and alpha scaling of outbound color values.

MOBILE COMMUNICATION TERMINAL AND METHOD OF PROCESSING INPUT SIGNAL THEREOF

April 24, 2008

A mobile communication terminal including a scroll device configured to output a scrolling signal, a display configured to display information, and a control unit configured to variably recognize the scrolling signal of the scroll device based on operational modes of the mobile communication terminal such that an amount of information scrolled on the display using the scroll device variably changes based on the operational modes of the mobile communication terminal.

Method, medium, and system rendering 3D graphic data to enhance image quality of transparent objects

April 24, 2008

A method, medium, and system rendering 3-dimensional (3D) graphic data. The method of rendering 3D graphic data may include grouping objects from among transparent objects included in graphic data, which overlap each other in a 3D space, and rendering the group and remaining objects excluding the grouped objects, in an order determined according to the distance between the group and a viewpoint and the distance between the remaining objects and the viewpoint. In particular, in the rendering of the group, the objects included in the group may be rendered in an order determined according to the distance between each unit element of each object belonging to the group and the viewpoint. By using such a method, medium, and system, rendering picture quality of a transparent object may be improved by avoiding rendering errors.

Source line driving circuit, active matrix type display device and method for driving the same

April 24, 2008

If the frequency of a clock signal is increased, the pulse width of a sampling pulse is decreased, and the amount of time for a video signal to be written to a source line is inadequate. Sampling pulses (sam) rise sequentially in synchronization with the rise of a start pulse (SP). As the start pulse (SP) rises, synchronized with the rise of clock signals (CK, CKB), the sampling pulses (sam) fall off sequentially, delayed by half the period of the clock signals (CK, CKB) for every step. As a result, the sampling pulses (sam) with a pulse width longer than one period of the clock signals (CK, CKB) are generated. In a period T a , a desired video signal (VIDEO) is written to its corresponding source line. In this way, the time for half a period of the clock signal can be secured for writing to the source line.

DISPLAY DEVICE AND METHOD OF DRIVING THE SAME

April 24, 2008

A display device and a method of the driving the same include a display panel assembly, a driving unit which drives the display panel assembly, and a serial peripheral interface which includes a plurality of registers, the plurality of registers being divided into groups of at least two blocks, and which receives external driving signals through serial communications and thereby controls the driving unit.

METHOD FOR CONTROLLING POWER AND DISPLAY PARAMETERS OF A MONITOR AND MONITOR FOR THE SAME

April 24, 2008

Under the condition of a computer system being powered on, a switch on a monitor controls the power or the display parameters of the monitor according to the triggering time of the switch. When the switch is triggered for more than a predetermined period of time, a control unit of the monitor sets the monitor to the standby state or powers off the monitor. When the switch is triggered for less than the predetermined period of time, the control device then controls the monitor to display video signals from the computer system according to different display parameters.

Driving circuit having counter and liquid crystal display employing same

April 24, 2008

An exemplary driving circuit for a liquid crystal display ( 3 ) includes a power supply circuit ( 34 ), a backlight control circuit ( 356 ) and a counter ( 355 ). The power supply circuit provides voltages for the LCD. The backlight control circuit controls whether or not the voltages provided by the power supply circuit are transferred to a backlight module of the LCD. The counter is configured for counting a number of pulses received from an external circuit, when the number of pulses received reaches a predetermined threshold number, the counter provides a trigger signal to turn on the backlight control circuit, so that the voltages provided by the power supply are transferred to the backlight module.

Method

April 24, 2008

A driver ( 15, 10, 16 ) for an electrophoretic display ( 1 ) comprising pixels ( 18 ), comprises a controller ( 15 ) to select a particular drive waveform (Dij) for a particular one of the pixels ( 18 ) out of a particular set of drive waveforms (Si) being selected out of a plurality of sets of waveforms (So, . . . , Si). A selection of the particular set of drive waveforms (Si) out of the plurality of sets of waveforms (So, . . . , Si) is determined dependent on optical states of adjacent pixels ( 18 ) being adjacent to the particular one of the pixels ( 18 ) such that the crosstalk between the adjacent pixels ( 18 ) and the particular one of the pixels ( 18 ) is decreased. Each set of drive waveforms (Si) comprises drive waveforms (Dij) required to obtain optical states of the particular one of the pixels ( 18 ) suitable for a particular configuration of the optical states of the adjacent pixels ( 18 ). A selection of the particular drive waveform (Dij) from the particular set of drive waveforms (Di) is determined by a desired optical state of the particular one of the pixels ( 18 ). A pixel driver ( 10, 16 ) supplies the drive waveforms to the pixels ( 18 ).

Image Generation Device and Image Generation Method

April 24, 2008

A calculation unit ( 58 ) references texture data ( 62 ) in a storage unit ( 60 ) and acquires texel information of index color formal An integral look-up table ( 64 ) has a structure containing a plurality of color look-up tables based on the detail degree (LOD) of the area to be plotted A look-up table reference unit ( 70 ) selectively references the color look-up table based on the LOD stored in the integral look-up table ( 64 ) according to the LOD value of the texel obtained by the LOD calculation unit ( 68 ), acquires color information corresponding to the index value of the texel, and outputs it to the calculation unit ( 58 ). The calculation unit ( 58 ) performs filter processing such as bi-linear interpolation according to the texel color information and outputs the texel information after the processing.

Electronic Device With Multiple Array Devices

April 24, 2008

An electronic device has a first active matrix pixel array device ( 52 ) and a second pixel array device ( 54 ). The first and second pixel arrays are provided on separate substrates ( 56,58 ), and a part ( 62 ) of the addressing or processing circuitry of the first active matrix array device ( 52 ) is provided on the substrate ( 58 ) of the second pixel array. The invention provides the distribution of control circuitry between two substrates ( 56,58 ) in a device having two array devices ( 52,54 ). This can enable the costs associated with a defect in the row and column driver circuitry to be minimised.

METHOD AND APPARATUS FOR DISPLAYING GRAPHICAL REPRESENTATIONS OF GRAPH LAYOUTS

April 24, 2008

The invention includes a method and apparatus for displaying a graphical representation of a graph including nodes and edges. A layout of the graph is determined. The layout of the graph is determined by determining respective positions of each of the nodes and edges within the layout. The position of each node is determined using a first model and, optionally, a second force model, wherein the first force model comprises a substantially linear repulsive force in a first region, a substantially exponential repulsive force in a second region, and an attractive force in a third region. In one embodiment, the position of each edge may be determined using the first force model. A graphical representation of the layout is generated. The graphical representation of the layout is displayed to one or more users.

Driving A Display With A Polarity Inversion Pattern

April 24, 2008

This invention relates to a method for driving a display panel (DP) having pixels (P). The display panel (DP) is driven with a sequence of image frames. The image frames are converted to a drive signal (V 2 ) comprising refresh frames with a refresh frame period (TR) shorter than the image frame period. A pixel (P) of the display panel (DP) is driven with an adapted drive signal having a first polarity during a first group of refresh frame periods, and having a reversed polarity during a subsequent second group of refresh frame periods. The first group and the second group each comprise at least two refresh frame periods.

Backlight Modulation For Display

April 24, 2008

A display ( 10 ) has a non pixel addressable backlight ( 130 ), having a temporal modulation applied, a pixel addressable LCD ( 120 ) in an optical path and the pixel addressable part being arranged to output each pixel of a frame as a temporal sequence of output values unrelated to colour components of the pixel, different values of the sequence coinciding with different output levels of the modulated non pixel addressable part. The apparent luminance or colour of the pixels can be made to take intermediate values between the gradations dictated by the stepsize corresponding to a least significant bit of the pixel addressable part, to enable more accurate reproduction of both colour and greyscale images. Additional intermediate output levels are concentrated at low illumination levels. A convertor generates a temporal modulation of the pixels for the LCD according to a value of the pixels in an input signal, and synchronized to the temporal modulation of the backlight.

Control device for a spreader

April 24, 2008

A control device is disclosed for a spreader for spreading materials on a road. The device includes a touch screen for entering information and an arrangement associated with the touch screen for processing the information and for providing a color display. The device also includes a color display which permits a user to view displayed information in multiple colors.

Display Device and Driving Method Thereof

April 24, 2008

A display device and a method of driving the same, win which the display device includes a light emitting element and a driving transistor supplying a driving current to the light emitting element, and in which one of a data voltage or a reverse bias voltage is applied to the driving transistor in an alternating manner, and the reverse bias voltage is an AC voltage.

Method for Driving LCD Monitor

April 24, 2008

A method for driving an LCD monitor includes providing a common-voltage signal having a level conversion during each frame duration, dividing each frame duration into a first sub-frame duration and a second sub-frame duration according to a position having the level conversion of the common-voltage signal, driving a first set of pixel units during the first sub-frame duration according to a level of the common-voltage signal within the first sub-frame duration, and driving a second set of pixel units during the second sub-frame duration according to a level of the common-voltage signal within the second sub-frame duration.

Method of driving plasma display apparatus

April 24, 2008

A method of driving a plasma display apparatus may include supplying a first voltage to the X electrodes during a first reset period of the reset period, supplying, using energy stored in the energy recovery circuit, a ramp waveform voltage that rises from the first voltage signal to a second voltage to the X electrodes during a second reset period of the reset period, biasing the X electrodes with the second voltage during at least a first sub-period of a third reset period of the reset period, supplying a ramp pulse waveform voltage that rises from a third voltage to a fourth voltage to the Y electrodes during a second portion of the first reset period, and supplying a ramp pulse waveform voltage that falls from the third voltage to a fifth voltage to the Y electrodes during the third reset period.

Liquid Crystal Display Device

April 24, 2008

A liquid crystal display device of an in-plane switching mode comprises a pair of polarizing plates which are constituted with a polarizing plate at the output side comprising a polarizer at the output side and a polarizing plate at the incident side comprising a polarizer at the incident side having a transmission axis approximately perpendicular to a transmission axis of the polarizer at the output side and two or more sheets of optically anisotropic members and liquid crystal cells disposed between the pair of polarizing plates. In the optically anisotropic member, the sum of the major in-plane refractive indices is twice the sum of the major refractive index in the direction of thickness or smaller. The ratio of retardation of light incident at an angle inclined by 40 degrees with respect to the normal toward the major axis (R 40 ) to the retardation of light incident perpendicularly (R 0 ) is 0.90˜1.10. The device comprises a low refractive index layer which has a refractive index of 1.37 or smaller, comprises a cured coating film of silicone comprising hollow fine particles or porous fine particles and is disposed at the side of observation of the face of the protective film at the side of observation of the polarizer. The device exhibits excellent scratch resistance and excellent quality of black depth and uniform and high contrast in viewing at any angles.

TIMING CONTROLLER, LIQUID CRYSTAL DISPLAY INCLUDING THE SAME, AND METHOD OF DISPLAYING AN IMAGE ON A LIQUID CRYSTAL DISPLAY

April 24, 2008

A timing controller capable of reducing electromagnetic interference (EMI) and a liquid crystal display including the same are provided. The timing controller includes a line buffer memory, a comparing unit that compares first data information with second data information, and a memory allocating unit dividing the line buffer memory into a first memory unit and a second memory unit each having the same memory size according to results of the comparison. Also provided is a method of displaying an image on liquid crystal display that includes the timing controller.

KEYPAD ASSEMBLY

April 24, 2008

Provided is a keypad assembly used as a data input unit in various electronic devices. The keypad assembly includes a main board having one or more metal domes formed at predetermined positions on the main board, and a keypad disposed on the main board to apply a pressure on the metal dome and to be used as a touchpad according to a mode selection, the keypad includes a keytop layer having one or more keytops on which corresponding alphanumeric characters are formed, a touchpad layer disposed under the keytop layer; and a base layer disposed under the touchpad layer, and having one or more protrusions protruding from its bottom surface at the positions corresponding to the metal dome.

Method and Device for Data Management in an Electronic Pen

April 24, 2008

A data management device in an electronic pen apparatus operates to receive ( 602 ) images of a product surface and extract ( 604 ) data from these images. The product surface may be provided with part of a position-coding pattern, and the extracted data may then represent positions encoded by the pattern. The device selectively processes the extracted data in an online process and an offline process. The selection ( 606 ) of process may be controlled by the pattern data in the images. The online process is operable to provide ( 614 ) the extracted data, sequentially and typically in near real time, on a communications interface of the pen apparatus. The offline process is operable to store ( 608 ) the extracted data in an internal storage (M) of the pen apparatus. The offline process is also operable to selectively provide ( 610 ) the extracted data in non-sequential order on the communications interface, by retrieving and collating extracted data originating from a specific part of the abstract position-coding pattern.

Color Display

April 24, 2008

The present invention relates to a color display device, comprising at least two light sources ( 16, 17 ), having different radiance spectra, and a liquid crystal light valve layer ( 14 ). The light sources ( 16, 17 ) are activated sequentially and the light valve layer is provided with driving signals (d 1 , d 2 ) in such a way that it obtains a strong wavelength dependence. This allows the display device to produce primary colors without the provision of color filters. This provides a less complex display, which is suitable for mobile applications and provides high brightness.

Method and Apparatus for Accelerated Scrolling

April 24, 2008

Improved approaches for users to with graphical user interfaces of computing devices are disclosed. A rotational user action supplied by a user via a user input device can provide accelerated scrolling. The accelerated nature of the scrolling enables users to scroll or traverse a lengthy data set (e.g., list of items) faster and with greater ease. The amount of acceleration provided can be performed in successive stages, and/or performed based on the speed of the rotational user action. In one embodiment, the rotational user action is transformed into linear action with respect to a graphical user interface. The resulting acceleration effect causes the linear action to be enhanced such that a lengthy data set is able to be rapidly traversed.

Method for driving a plasma display panel

April 24, 2008

The present method is to drive a plasma display panel which displays a frame composed of a plurality of sub-fields having different weights of luminance. The method comprises using plural kinds of application voltage waveforms different in light emission luminance, as pulse voltages for sustain discharges in display of each sub-field, and adjusting the number of waves in each of the plural kinds of application voltage waveforms according to the weight of luminance set for each sub-field, thereby performing gradation display.

Display Device

April 24, 2008

Image display apparatus comprising two or more arrays of light sources is described. Each array is rotatable around a common axis, and the light sources in each array are arranged so that each light source traverses along a unique path around the common axis. A controller is adapted to modulate the intensity of light emitted by each light source as it traverses its respective unique path such that the light sources in combination cause a desired image to be visible to an observer by virtue of persistence of vision.

Display Unit

April 24, 2008

Display units ( 1 ) comprising display panels ( 50 ) with pixels ( 11 ) coupled to storage lines ( 62,63 ) via storage capacitors ( 13 ) are provided with storage line drivers ( 60,70 ) for driving the storage lines ( 62,63 ) for reducing necessary electrode voltage swings on electrodes such as row electrodes ( 41,42,43,44,45,49 ) and column electrodes ( 31,32,34,35,39 ). A storage line pulse is to be generated during at least a part of a row activation pulse, then the row activation pulse or a row de-activation pulse may get a reduced value such that the necessary electrode voltage swing is reduced. Alternatively, alternating storage line pulses having a period of at most a duration of a row activation pulse are to be generated, then a data pulse may get a reduced value such that the necessary electrode voltage swing is reduced. This all results in more stable drivers, a smaller display unit, a lower overall power consumption and common available row drivers and less expensive column drivers.

Computer mouse having a front sight button and method for generating local coordinates with the same

April 24, 2008

The present invention relates to a computer mouse having a front sight button and the method for generating local coordinates with the same, which comprises a position sensor for generating coordinates in accordance with the movement of the mouse, a front sight button for generating a local shooting signal when being pressed, a serial interface device, of which one end is connected to a personal computer for exchanging data between the mouse and the personal computer, and a processing unit. The processing unit is connected to the position sensor, the front sight button and the serial interface device. Upon receiving a local shooting signal, the processing unit generates a specific area having plural perimeter coordinates corresponding to the current coordinate. The processing unit further transmits the current coordinate, the perimeter coordinates and corresponding key-strobe signals sequentially to the personal computer through the serial interface device.

Portable Electronic Device, Method, And Graphical User Interface For Displaying Structured Electronic Documents

April 24, 2008

A computer-implemented method, for use in conjunction with a portable electronic device with a touch screen display, comprises displaying at least a portion of a structured electronic document on the touch screen display, wherein the structured electronic document comprises a plurality of boxes of content, and detecting a first gesture at a location on the displayed portion of the structured electronic document. A first box in the plurality of boxes at the location of the first gesture is determined. The first box on the touch screen display is enlarged and substantially centered.

METHOD OF ANIMATING VECTOR GRAPHICS

April 24, 2008

A method of simplifying the programming of animation of vector graphics for the graphic user interface of, for example, a SCADA system. The programming method allows the programmer to input unique yet simple instruction codes instead of inputting multiple lines of logic script to animate vector graphic objects and texts. An animation engine is used to interpret the simple instruction codes and instruct the browser to perform the necessary animation on the selected vector graphic objects.

DATA DRIVING APPARATUS, LIQUID CRYSTAL DISPLAY INCLUDING THE SAME, AND METHOD OF DRIVING LIQUID CRYSTAL DISPLAY

April 24, 2008

A data driving apparatus includes; an integrated circuit chip, a grayscale voltage generation unit disposed on the integrated circuit chip which receives grayscale generation signals from the outside and generates a plurality of reference grayscale voltages, and a driving unit disposed on the integrated circuit chip which receives the reference grayscale voltages, converts image signals from the outside into corresponding analog data voltages, and supplies the converted analog data voltages to data lines of a liquid crystal panel.

System and Method for Geometry Graphics Processing

April 24, 2008

The present invention provides a method and system for graphics processing. The graphics processing system comprises the primitive assembly, a vertex/geometry shader, the second primitive assembly, a cache memory, and a texture engine. The vertex/geometry shader can receive primitive data to execute can output vertex data.

System and method for performing a selective fill for a hearing aid shell

April 24, 2008

A method and appertaining system load 3D shape information defining a hearing aid shell into a processor and present a representation of the shell on a display. A fill boundary is entered by a user operating a user input device and a fill region for the shell is thus defined. The fill boundary is then displayed, but can be modified by the user. Various checks may be performed to ensure that the fill region is a proper one, and if not, a status can be provided to the user indicating why the fill region is unacceptable. The displayed shell can be rotated and moved to assist the user. Once an acceptable fill region has been defined, an indication is provided by the user that the displayed fill region is to be used as the actual fill region.

SYSTEM AND METHOD FOR AUTOMATIC LAYOUT OF IMAGES IN DIGITAL ALBUMS

April 24, 2008

A system and method for automatic creation of digital image albums. A Page Creator Module utilizes a genetic engine and a layout evaluation module. The genetic engine evolves a group of images to a plurality of album pages, based on certain layout criteria. The evaluation module calculates layout criteria and compares them with user preferences. When an acceptable image/page layout has been generated, the image/page assignments are transferred to an Image Placement Module. The Image Placement Module utilizes a second genetic engine, which evolves various criteria to generate page layouts genetic structures. These structures define the location, scale, and rotation of images placed on a given page. A layout evaluation module calculates and compares these layouts with certain other preferences and page requirements. When a suitable layout has been generated, a final album output is generated, which may be displayed, printed, or otherwise transferred for subsequent utilization.

Driving Device and Related Image Transmission Device of a Flat Panel Display

April 24, 2008

A driving device includes a plurality of transmitters. Each transmitter includes a first current source, a second current source, a third current source, a fourth current source, a first switch, a second switch, a third switch, a fourth switch, a fifth switch, and a sixth switch. The first and the fourth switches are controlled by a first control signal. The second and the third switches are controlled by a second control signal. The second switch is coupled to the first switch. The third switch is coupled to the first current source. The fourth switch is coupled to the third switch and the second current source. The fifth and the sixth switches are controlled respectively by a third and a fourth control signal. The fifth switch is coupled to the third current source and the first switch. The sixth switch is coupled to the second switch and the fourth current source.

Plasma display device

April 24, 2008

A plasma display device characterized by having a plurality of first electrodes which are provided on a first substrate, a plurality of second electrodes which are provided on the first substrate and for causing discharge between the plurality of first electrodes and themselves, a plurality of third electrodes which are provided in a second substrate to intersect the first and second electrodes, and a plurality of fourth electrodes which are provided between the plurality of first and second electrodes and for controlling discharge between the first and second electrodes, and characterized in that the plurality of first electrodes are fixed to a constant potential.

SCALABLE SHADER ARCHITECTURE

April 24, 2008

A scalable shader architecture is disclosed. In accord with that architecture, a shader includes multiple shader pipelines, each of which can perform processing operations on rasterized pixel data. Shader pipelines can be functionally removed as required, thus preventing a defective shader pipeline from causing a chip rejection. The shader includes a shader distributor that processes rasterized pixel data and then selectively distributes the processed rasterized pixel data to the various shader pipelines, beneficially in a manner that balances workloads. A shader collector formats the outputs of the various shader pipelines into proper order to form shaded pixel data. A shader instruction processor (scheduler) programs the individual shader pipelines to perform their intended tasks. Each shader pipeline has a shader gatekeeper that interacts with the shader distributor and with the shader instruction processor such that pixel data that passes through the shader pipelines is controlled and processed as required.

Display Panel Driving Mechanism for Electronic Device

April 24, 2008

A display panel driving mechanism for electronic device supports a lower side of a display panel ( 1 ), which is arranged on a front plane of an electronic device, to be freely turned around a first shaft ( 5 a ) which moves by following a slider ( 4 ) driven in to and fro directions. The mechanism shifts a second shaft ( 9 a ), which is provided on a member ( 9 ) attached on an upper side of the display panel ( 1 ), along a guide groove ( 2 a ) provided on a member ( 2 ) fixed to a case. In a shifting initial period of the first shaft ( 5 a ), the first shaft ( 5 a ) is shifted in a rear direction from an initial status, in which the display panel ( 1 ) is at a position where it covers the front plane of the electronic device by not inclining and the front plane of the display panel is inclined to face down. In the shifting initial period, the first shaft ( 5 a ) is permitted to shift to the rear and to an upper part. The sizes of a display plane of the display panel can be increased, and the front plane of the display panel can be inclined to face down without providing a large space on the lower side of the display panel. Furthermore, interference with a cluster panel of a vehicle and the like is surely prevented when the display panel is driven.

DESIGN FOR THE MOUSE FOR ANY PORTABLE DEVICE

April 24, 2008

Systems and methodologies are described that facilitate navigating data associated with a portable device. According to various aspects, systems and/or methods are described that facilitate incorporating a motion input on at least one side of a portable device, the portable device includes a casing with a front, a back, and at least two sides associated therewith, a top and a bottom. Such systems and/or methods may further facilitate utilizing the motion input to employ four or more degrees of freedom for data entry.

Display controller

April 24, 2008

Systems, methods, and other embodiments associated with a display controller are described. One display controller embodiment includes a data store to store overlay control data, a port to communicate with an overlay control data provider, and a logic to provide an overlay to a display device. The display device may be associated with a computing system that does not provide the overlay control data. The logic may be controlled by the overlay control data provider.

Touch Screen Element

April 24, 2008

A method of mounting a touch-screen element onto a control panel, and a corresponding assembled unit. In the assembled apparatus, the control panel has the touch-screen element mounted thereto. The touch-screen element comprises a sensing element mounted on a semi-rigid carrier, and first and second clamps for holding opposed sides of the touch-screen element to the panel. At least the second clamps is moveable between open and closed configurations, the open configuration being used during assembly. For assembly, one side of the touch-sensitive element is inserted into the first clamp. The touch-sensitive element is then bent into a curve and pushed down into the second clamp while the second clamp is in its open configuration. Once the touch-sensitive element has been flattened onto the panel and is in the second clamp, the second clamp is closed to complete the assembly.

Backlight device with zone control

April 24, 2008

A backlight unit usable in a liquid crystal display. In one embodiment, the backlight unit includes a substrate having an edge zone and a central zone surrounded by the edge zone, a first plurality of light emitting elements positioned in the central zone of the substrate, a second plurality of light emitting elements positioned in the edge zone of the substrate, and an electronic controlling means for controlling the light emitted from the first plurality of light emitting elements and the second plurality of light emitting elements such that in operation, the output power per unit area by the second plurality of light emitting elements in the edge zone is less than that by the first plurality of light emitting elements in the central zone.

Stylus calibration system and method

April 24, 2008

A method calibrates a stylus to a display interface by first resetting a calibration pattern and calibration parameters. The calibration pattern is displayed on the display interface at a location corresponding to an estimated position of a stylus tip. The position of the stylus tip is measured while sensing the calibration pattern with a photosensor arranged on the stylus tip. If coordinates of the location are equal to coordinates of the position, then the resetting, displaying, measuring and determining steps are repeated periodically, and otherwise a size of the calibration pattern is increased and the displaying, measuring and determining steps are repeated.

ACTIVE MOUSE BUTTON

April 24, 2008

A computer system, such as a small footprint Person Computer (PC) or notebook computer, PC pointing device and method of displaying information on the PC. The notebook computer includes a pointing device, such as a mouse button, with an illuminated region. The notebook computer also includes a message handler monitoring information streams for changes and a local store storing a response profile of registered illumination responses for corresponding changes in monitored information streams. For each identified change the message handler identifies a corresponding registered response in the response profile and varies illumination from illumination devices (e.g., LEDs) in the illuminated region.

Drive circuit of display device and method of testing the same

April 24, 2008

A first switch circuit is provided between a gradation voltage selection circuit and an output circuit. The output circuit includes a test switch that disconnects the gradation voltage selection circuit from the output circuit in a test mode; a test switch that connects, in the test mode, the gradation voltage selection circuit to a tester connection terminal TESR 1 ; and a test switch that connects, in the test mode, the output circuit to a tester connection terminal TESR 2 . A second switch circuit is provided between a gradation voltage generation circuit and the gradation voltage selection circuit to disconnect, in the test mode, the gradation voltage generation circuit from the gradation voltage selection circuit.

Computing system capable of parallelizing the operation graphics processing units (GPUs) supported on a CPU/GPU fusion-architecture chip and one or more external graphics cards, employing a software-implemented multi-mode parallel graphics rendering subsystem

April 24, 2008

A computing system capable of parallelizing the operation of multiple graphics processing units (GPUs) supported on external graphics cards, employing a multi-mode parallel graphics rendering subsystem. The computing system includes (i) CPU memory space for storing one or more graphics-based applications, (ii) a CPU/GPU fusion-architecture chip including one or more CPUs, one or more GPUs, a memory controller for controlling the CPU memory space, and an interconnect network, and (iii) an external graphics cards supporting multiple GPUs and being connected to the CPU/GPU fusion-architecture chip by way of a data communication interface. The computing system also includes (iv) an external graphics card supporting multiple GPUs and being connected to the CPU/GPU fusion-architecture chip by way of a data communication interface, (v) the multi-mode parallel graphics rendering subsystem supporting multiple modes of parallel operation, (vi) a plurality of graphic processing pipelines (GPPLs) implemented using the GPUs, and (vii) an automatic mode control module. During the run-time of the graphics-based application, the automatic mode control module automatically controls the mode of parallel operation of the multi-mode parallel graphics rendering subsystem so that the GPUs are driven in a parallelized manner.

Methods and systems for interacting with a 3D visualization system using a 2D interface ("DextroLap")

April 24, 2008

In exemplary embodiments of the present invention a 3D visualization system can be ported to a laptop or desktop PC, or other standard 2D computing environment, which uses a mouse and keyboard as user interfaces. Using the methods of exemplary embodiments of the present invention, a cursor or icon can be drawn at a contextually appropriate depth, thus preserving 3D interactivity and visualization while only having available 2D control. In exemplary embodiments of the present invention, a spatially correct depth can be automatically found for, and assigned to, the various cursors and icons associated with various 3D tools, control panels and other manipulations. In exemplary embodiments of the present invention this can preserve the three-dimensional experience of interacting with a 3D data set even though the 2D interface used to select objects and manipulate them cannot directly provide a third dimensional co-ordinate. In exemplary embodiments of the present invention, based upon the assigned position of the cursor or icon in 3D, the functionality of a selected tool, and whether and in what sequence any buttons have been pressed on a 2D interface device, a variety of 3D virtual tools and functionalities can be implemented and controlled by a standard 2D computer interface.

Interactivity with a Mixed Reality

April 24, 2008

Methods of interacting with a mixed reality are presented. A mobile device captures an image of a real-world object where the image has content information that can be used to control a mixed reality object through an offered command set. The mixed reality object can be real, virtual, or a mixture of both real and virtual.

Computer Mouse

April 24, 2008

A computer mouse is described, comprising a housing ( 1 ) which comprises a support surface ( 2 ) and a jacket surface ( 4 ) for finger support, which jacket surface protrudes upwardly in a tapering manner from the support surface ( 2 ). In order to provide advantageous handling conditions it is proposed that the jacket surface ( 4 ) is arranged in a conical way with generatrices extending substantially in a straight line and has a height of the width of three fingers for the purpose of supporting a thumb ( 5 ) on one circumferential side and an index finger and a middle finger ( 6, 7 ) on the opposite circumferential side.

DRIVING METHOD FOR REDUCING COLOR SHIFT

April 24, 2008

A driving method for reducing the color shift suitable for driving a display panel is disclosed. The display panel includes at least one scan line, at least one data line, and at least one pixel unit electrically connected to the scan line and the data line. The driving method includes the following steps. First, turn on the pixel unit by the scan line during a frame period. Transmit a frame signal to the pixel unit by the data line during the frame period as the pixel unit is turned on. Turn on the pixel unit by the scan line between the present frame period and the next frame period. Transmit a revising signal to the pixel unit by the data line between the present frame period and the next frame period as the pixel unit is turned on, so as to reduce the color shift of the pixel unit.

Image Processing System for Automatic Segmentation of a 3-D Tree-Like Tubular Surface of an Object, Using 3-D Deformable Mesh Models

April 24, 2008

An image data processing system with computing means for the automatic segmentation of a treelike tubular structure in a 3 -D image comprising: means ( 20 ) for computing a treelike center path of the tubular tree-like structure; means ( 21 ) for dividing the treelike center path of the tubular treelike structure into segments formed of points; means ( 40 ) for generating generic cylindrical meshes formed of cells, for individual segments of the tree-like center path; means ( 50 ) for fusing generic cylindrical meshes by two.

DISPLAY DEVICE

April 24, 2008

In an embodiment of the present invention, basic reference voltages VRT, VRB, VR, VG, and VB are divided by resistors to produce plural reference voltages V 0 to V 15 , and voltages are selected from these plural reference voltages V 0 to V 15 for digital-analog conversion processing of image data DR, DG, and DB. At least the basic reference voltage VRB for the black level is shared by the respective color data DR, DG, and DB. The basic reference voltages VR, VG, and VB for setting of an intermediate grayscale closer to the black level can be varied individually for each of the color data DR, DG, and DB. When this embodiment is applied to a display device employing current-driven light-emitting elements such as organic EL elements, contrast deterioration due to floating black and sinking black can be prevented with a simple configuration.

Data Input Device, Data Input Method, Data Input Program and Recording Medium Wherein Such Data Input Program Is Recorded

April 24, 2008

This invention is directed to the provision of a data input device that is operated by a novel method of inputting the force applied on a force sensor as polar coordinate data and subjecting the data to input processing which utilizes the r value and the θ value. A portable telephone 1 detects the force applied on a force sensor 51 of an input unit 50 as rectangular coordinate data and converts the detected rectangular coordinate data into polar coordinate data. Then, with reference to an allocating table that has recorded characters and ranges of θ values to which the individual characters are allocated, the character allocated to the obtained θ value is selected. Then, when the r value larger than a prescribed threshold is input, the entry of the selected parameter is determined.

Image Processor, Image Processing Method, Information Recording Medium, and Program

April 24, 2008

To perform three-dimensional graphics processes by reducing the number of polygons to be processed, a storage unit ( 202 ) of an image processor ( 201 ) stores each of a plurality of polygons making up the surfaces of an object placed in a virtual three-dimensional space, in association with any of the surfaces of an approximate polyhedron which approximates the shape of the object, a determination unit ( 203 ) determines whether or not each of the surfaces of the stored approximate polyhedron can be seen in a case where the virtual three-dimensional space is observed along a predetermined sight line direction from a predetermined viewpoint, and a generation unit ( 204 ) generates an image, as observed along the predetermined direction from the predetermined viewpoint, of polygons, among the plurality of polygons stored in association, that are determined at a determining step as can been seen.

Deinterleaving Transpose Circuits in Digital Display Systems

April 24, 2008

The present invention provides a method and apparatus of converting a stream of pixel data in space and time into a stream of bitplane data. In particular, the present invention converts the pixel data stream according to a predetermined output format. The apparatus of the present invention receives the pixel data in a “real-time” fashion, and dynamically performs predefined permutations so as to accomplish the predefined transpose operation. Alternatively, the pixel data are stored in a storage medium, and the apparatus of the present invention retrieves the pixel data and performs the predefined permutation to accomplish the predefined transpose operation. The methods and apparatus disclosed herein are especially useful for processing a high-speed stream of digital data in a flow-through manner and suitable for implementation in a hardware video pipeline. The control signal fanout and gate count of this invention are reduced compared to currently available similar techniques for converting pixel data into bitplane data.

METHODS FOR INTERFACING WITH A PROGRAM USING A LIGHT INPUT DEVICE

April 24, 2008

An input device for interfacing with a computing device is provided. The input device includes a body configured to be held within a human hand. The input device includes a light emitting diode (LED) affixed to the body and a power supply for the LED. A mode change activator is integrated into the body, where the mode change activator is configured to cause a change of a color of a light originating from the LED. The color change is capable of being detected to cause a mode change at the computing device. Methods for detecting input commands from an input source within a field of sight of an image capture device, and a computing system which includes the input device are provided.

Liquid Crystal Display Device

April 24, 2008

It is an object of the invention to provide a liquid crystal display device that can realize a driving method reducing the power consumption of a driving circuit in a condition that real-time processing is available. In a liquid crystal display device, SW 1 is controlled such that pixel data on odd lines are written in a first RAM ( 12 ), pixel data on even lines are written in a second RAM ( 13 ) for ist line to 11th line, and pixel data on 12th line are transferred to a latch circuit ( 14 ) directly. In a liquid crystal display device, SW 1 is controlled such that pixel data on odd lines are written in the second RAM ( 13 ), pixel data on even lines are written in the first RAM 12 for 13th line to 23rd line, and pixel data on 24th line are transferred to a latch circuit ( 14 ) directly. Pixel data written in the first and second RAMs ( 12, 13 ) are output to source driver ( 15 ), which performs time-series operating process, through the latch circuit ( 14 ).

Systems and Methods for Storing Texture Map Data

April 24, 2008

Systems and methods for graphics data management are described. One embodiment includes a graphics processing system comprising a texture management unit configured to organize texture map data according to a slice major format, wherein the texture map data spans at least one mip level. Furthermore, the graphics processing system comprises a texture cache, wherein the texture cache is coupled to the texture management unit and configured to receive the reorganized texture map data from the texture management unit.

Handheld Electronic Device With Text Disambiguation

April 24, 2008

A handheld electronic device includes a reduced QWERTY keyboard and is enabled with disambiguation software. 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. The device enables editing during text entry and also provides a learning function that allows the disambiguation function to adapt to provide a customized experience for the user. The disambiguation function can be selectively disabled and an alternate keystroke interpretation system provided. Additionally, the device can facilitate the selection of variants by displaying a graphic of a special key of the keypad that enables a user to progressively select variants generally without changing the position of the user's hands on the device.

Transparency Group Computation on a Graphics Processing Unit

April 24, 2008

A new transparency group may be rendered and blended with other, previously rendered, transparency groups, by using the Porter-Duff algebra available on the GPU even though the transparency groups include pre-multiplied color and alpha information. Additionally, the number of copies of the back buffer (the image information for the previously rendered transparency groups) required to properly render, blend and combine the new transparency group into the image information of previously rendered transparency groups may be minimized.

GRAPHICS DISPLAY SYSTEM WITH ANTI-FLUTTER FILTERING AND VERTICAL SCALING FEATURE

April 24, 2008

A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, and graphics input. The chip includes a single polyphase filter that preferably provides both anti-flutter filtering and scaling of graphics. Anti-flutter filtering may help reduce display flicker due to the interlaced nature of television displays. The scaling of graphics may be used to convert the normally square pixel aspect ratio of graphics to the normally rectangular pixel aspect ratio of video.

KEYBOARD WITH KEYS ARRANGED IN PAIRS AND HANDHELD ELECTRONIC APPARATUS INCORPORATING THE SAME

April 24, 2008

The invention provides a keyboard including a plurality of user-operable keys and a processor. The user-operable keys include a first key and a second key. The processor generates a first key signal in response to the key-in action of the first key, generates a second key signal in response to the key-in action of the second key, and generates the second key signal in response to the key-in action of the second key together with the first key. The first key signal represents the first key. The second key signal represents the second key.

Universal flat horizontal use stylus

April 24, 2008

A universal flat horizontal use stylus, this stylus design avoids damage to the fragile outer membranes of existing touch sensitive screens devices mostly found on today's PDA's (personal digital assistant). Due to the curvature of the present inventions flat body and downward angled flat conical nose tip, and control/support curve at rear of present invention, the new holding angle which involves the user's index, thumb and middle fingers, most of the exertion pressure from a users hand due to the new horizontal holding angle of the present invention and flat design, impact pressure would be significantly reduced at the tip of this stylus and the fragile touch sensitive screen of today's PDA's., as one could not do with an ordinary pen-type stylus which allows for easy over exertion and damage to the delicate and fragile membrane found on most PDA's.

Method for reducing sensitivity modulation and lag in electronic imagers

April 24, 2008

A method for reducing gain and lag signals associated with trapped charges is described. Data is collected from a detector. A forward bias voltage is temporarily applied to the detector between collecting the data.

Semiconductor integrated circuit device

April 24, 2008

In a case where the data drive circuit is used for a face-up mounting, a reverse switching circuit is controlled so that a reverse switching signal RB can be at an “H” level. Thus, an output terminal S 1 1 is caused to function as an output terminal from which to output a drive signal representing the R color, whereas an output terminal S 1 3 is caused to function as an output terminal from which to output a drive signal representing the B color. In a case where the data drive circuit is used for a face-down mounting, the reverse switching circuit is controlled so that the reverse switching signal RB can be at an “L” level. Thus, the output terminal S 1 1 is caused to function as the from which to output the drive signal representing the B color, whereas the output terminal S 1 3 is caused to function as the output terminal from which to output the drive signal representing the R color.

Device for Providing a Vehicle User With Information

April 24, 2008

In a device for providing information to a vehicle user about various functional elements using a display screen system, having an overview image to display the functional elements, having a rotating actuator, which is assigned to the functional elements, rotatable arbitrarily around its axis for the individual selection of the functional elements, and having the property of displaying further information about the particular functional element using an axial movement of the actuator, the functional elements are marked in the overview image. The functional elements are individually selectable by a rotational movement of the actuator and an enlarged detail of the overview image containing the particular functional element is displayable as the information.

Pressure-Controlled Navigating in a Touch Screen

April 24, 2008

A remote control device has a display monitor for rendering an image and a touch screen for user interaction. The touch screen is pressure-sensitive. The device has an operational mode wherein the image is being scaled dependent on a value of the pressure registered by the touch screen.

Asynchronous Video Capture for Insertion Into High Resolution Image

April 24, 2008

A display system has a first resolution video buffer 20 , and can insert a second resolution analog video signal, the first resolution being higher than the second resolution. It can sample the second resolution video signal and insert it 50 without substantially reducing the resolution of the image. An advantage over software solution is more independence from software standards. The sampling can involve asynchronous over-sampling 130 to two or more states, adequate for recreating text or attributes. Then a re-sampler 52 uses a pixel clock derived 54 by counting coincidences of image and clock transitions, and adjusting a clock phase or frequency to minimize the count.

Plasma Display Panel

April 24, 2008

A plasma display panel. A first substrate and a second substrate are provided opposing one another with a predetermined gap therebetween. Address electrodes are formed on the second substrate. Barrier ribs are mounted between the first substrate and the second substrate, the barrier ribs defining a plurality of discharge cells and a plurality of non-discharge regions. Phosphor layers are formed within each of the discharge cells. Discharge sustain electrodes are formed on the first substrate. The non-discharge regions are formed in areas encompassed by discharge cell abscissas and ordinates that pass through centers of each of the discharge cells. Also, external light absorbing members are formed between the second substrate and the barrier ribs layer at areas corresponding to locations of the non-discharge regions.

DATA ACCESSING INTERFACE HAVING MULTIPLEX OUTPUT MODULE AND SEQUENTIAL INPUT MODULE BETWEEN MEMORY AND SOURCE TO SAVE ROUTING SPACE AND POWER AND RELATED METHOD THEREOF

April 24, 2008

A data accessing interface between memory and source in LCD display IC includes a multiplex output module and a sequential input module. Suppose a row width of the memory is N bit. The multiplex output module is for outputting a row N-bit digital data. The multiplex output module includes a buffer for receiving the row N-bit digital data from the memory; and a multiplex unit for continuously selecting M bits from the N bit digital data to output to source. After N/M times, all of the row N bit digital data will be output to source. The sequential input module includes N latches and N/M latch control signals; when each latch control signal is active, it will latch M bit digital data from the multiplex output into M latches. After N/M latch control signals are active sequentially, the N bit digital data are stored into the N latches for source.

FLEXIBLE ACTIVE MATRIX DISPLAY BACKPLANE AND METHOD

April 24, 2008

An active matrix display backplane is formed by annealing a flexible dielectric substrate, and then forming one or more thin-film-transistors (TFTs), one or more pixel electrodes, and an interconnect on a surface of the annealed substrate. The interconnect includes individual, spaced apart electrodes that are electrically coupled to one another. One of the interconnect electrodes is electrically coupled to a TFT, and the other interconnect electrode is electrically coupled to the pixel electrode, to thereby electrically interconnect the TFT and the pixel electrode.

METHOD OF CONTROLLING LUMINANCE OF BACKLIGHT ASSEMBLY, CIRCUIT FOR CONTROLLING LUMINANCE OF BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME

April 24, 2008

A method for controlling a backlight luminance in which a reference voltage is set, a sampling voltage is generated based on the reference voltage, and a net photo current signal is generated by a photo current sensing element and a dark current sensing element. The net photo current signal is generated independently of temperature variations. A luminance control signal is generated based on the sampling voltage. The luminance of the backlight assembly is controlled using the luminance control signal. Therefore, variation of the luminance of the backlight assembly may be minimized, although external luminance, temperature, and variation between different photo sensors, the deterioration of the elements, and the like, may be changed.

PLASMA DISPLAY PANEL

April 24, 2008

A plasma display panel including first and second substrates facing each other and spaced apart from each other, barrier ribs disposed between the first and second substrates and defining discharge cells, phosphor layers formed in the discharge cells, address electrodes arranged on the first substrate and extending in a first direction, first and second electrodes formed on the second substrate and extending in a second direction crossing the first direction, and a dielectric layer covering the first and second electrodes. Each of the first and second electrodes includes at least one bus line formed of a nontransparent material to extend in the second direction on the second substrate, and the dielectric layer is provided with grooves formed at portions adjacent to the bus lines so as to increase the intensity of the visible light generated by the gas discharge in the discharge cells.

Electro-Optical Device, and Electronic Apparatus and Display Driver IC Using the Same

April 24, 2008

A liquid crystal device having a display section provided with a plurality of X electrodes and a plurality of Y electrodes, a master X driver IC and a slave X driver IC for driving the X electrodes, and a Y driver for driving the Y electrodes. The master IC has a display control signal generation section which generates a display control signal based on a signal from an external MPU and an output terminal (or input/output terminal) which outputs the display control signal. Each of the master IC and slave IC has an input terminal for receiving the display control signal from the master IC through an external wiring. This liquid crystal device can eliminate a luminance difference within the display screen driven by the master IC and the slave IC.

Portable Electronic Device Performing Similar Operations for Different Gestures

April 24, 2008

A portable electronic device with a touch-sensitive display is disclosed. One aspect of the invention involves a computer-implemented method in which the portable electronic device: displays an application on the touch-sensitive display; and when the application is in a predefined mode, performs a predefined operation in response to each gesture of a set of multiple distinct gestures on the touch-sensitive display. Another aspect of the invention involves a computer-implemented method in which the portable electronic device: displays a first application; when the first application is in a first mode, performs a first operation upon detecting a first gesture on the touch-sensitive display; and performs the first operation upon detecting a second gesture on the touch-sensitive display, wherein the second gesture is different from the first gesture.

Light source control unit and light source control method

April 24, 2008

A light source control unit includes: a controlled variable calculation unit continuously calculating a controlled variable of a light source based on a luminance of an image represented by an image data; a limiting unit limiting a time variation of the calculated controlled variable; and a control unit controlling the luminance of the light source based on the limited controlled variable.

Constrained Virtual Camera Control

April 24, 2008

A method is described that includes receiving, from a first device, input used to select a first object in a computer-generated environment. The first device has at least two degrees of freedom with which to control the selection of the first object. The method also includes removing, in response to the selection of the first object, at least two degrees of freedom previously available to a second device used to manipulating a second object in the computer-generated environment. The removed degrees of freedom correspond to the at least two degrees of freedom of the first device and specify an orientation of the second object relative to the selected first object. Additionally, the method includes receiving, from the second device, input including movements within the reduced degrees of freedom used to manipulate a position of the second object while maintaining the specified orientation relative to the selected first object.

Content Based Graphical User Interface Application

April 24, 2008

A method including processing and modeling a script stored in a first device, determining a state transition diagram of the first device based on the script model, utilizing the state transition diagram to determine a state of the first device and displaying an image based on the state of the first device in response to internal and/or external events associated with the first device.

METHOD OF DRIVING A DISPLAY DEVICE

April 24, 2008

A driving method that does not allow a change in temperature of the surroundings to change the luminance of a light emitting element of a pixel is provided for a display device with less uneven display, higher gradation, and reduced power consumption. A time ratio gradation driving method is applied to a pixel that is structured to have a current mirror circuit and use a current drive method. The bit number of digital video signals to be sampled by a source signal line driving circuit is reduced with the use of a switching signal, thereby saving the power consumption when high gradation display is not necessary.

METHOD AND APPARATUS FOR COLLATING OBJECT

April 24, 2008

An object collation method comprising a registration procedure for registering the registered data of a registered object in a database, and a collation procedure for collating the input image of a target object with the registered data. The registration procedure includes a step of storing the three-dimensional shape of the registered object and a texture space defined by a texture group indicating the luminance and/or color information of each position of the object surface under various illumination conditions. The collation procedure includes the steps of: generating an illumination fluctuation space defined by the image group under the various illumination conditions, at the location and position of the target object in the input image from the three-dimensional shape and the texture space; and collating the target object and the registered object based on the distance between the illumination fluctuation space and the input image.

3-D CLIPPING IN A GRAPHICS PROCESSING UNIT

April 24, 2008

A graphics processing unit (GPU) efficiently performs 3-dimensional (3-D) clipping using processing units used for other graphics functions. The GPU includes first and second hardware units and at least one buffer. The first hardware unit performs 3-D clipping of primitives using a first processing unit used for a first graphics function, e.g., an ALU used for triangle setup, depth gradient setup, etc. The first hardware unit may perform 3-D clipping by (a) computing clip codes for each vertex of each primitive, (b) determining whether to pass, discard or clip each primitive based on the clip codes for all vertices of the primitive, and (c) clipping each primitive to be clipped against clipping planes. The second hardware unit computes attribute component values for new vertices resulting from the 3-D clipping, e.g., using an ALU used for attribute gradient setup, attribute interpolation, etc. The buffer(s) store intermediate results of the 3-D clipping.

Information display apparatus and information displaying method

April 24, 2008

Even when the display contents on the display screen are changed, the entire or a part of the display item is displayed, given a higher priority. When a part of image ( 20 ) is displayed in a displayable area ( 14 or 15 ) that displays a display item on a display screen, a user designates a portion, which he or she desires to keep it displayed, as a prioritized display section ( 21 ). When a change of size or the like of the displayable area ( 14 or 15 ) is recognized, in response to the change, a part of image ( 20, 22 or 23 ) is extracted so that the designated prioritized display section ( 21 ) is displayed in the displayable area ( 14 or 15 ), and then, it is placed in the displayable area ( 14 or 15 ).

Backlight control circuit

April 24, 2008

The present invention discloses a backlight control circuit, comprising: a voltage supply circuit for receiving an input voltage and generating an output voltage under control by a control signal; at least one voltage comparison path respectively coupled to at least one light emission device path; a voltage operative amplifier circuit for generating the control signal according to a lowest voltage on the at least one voltage comparison path; and at least one under current detection circuit for detecting whether a corresponding one of the at least one light emission device path is in an under current status, whereby when anyone of the under current detection circuits detects the under current status, it sends an exclusion signal excluding a corresponding one of the at least one voltage comparison path from being an effective input of the voltage operative amplifier.

Structure for storing overdrive image data and a method thereof

April 24, 2008

The present invention discloses a structure for storing overdrive image data and a method thereof, which divide image data into non-video data and video data and respectively store them in a non-video data storage region and a video data storage region of a memory unit, wherein the RGB data of the non-video data is directly stored in the video data storage region; the RGB data of the video data is transformed into YCbCr data; via checking a lookup table, the RGB data of the present video data is compared with the RGB data of the preceding frame to obtain overdrive YCbCr data; the YCbCr data and the overdrive YCbCr data are sampled, compressed and synthesized according to a video data compression standard and then stored in the video data storage region. Thereby, the memory space required by the overdrive technology can be reduced.

LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME

April 24, 2008

Disclosed are a liquid crystal display and a method of driving the same. The liquid crystal display includes a liquid crystal display panel displaying an image; a gate driver applying gate signals to the liquid crystal display panel; a data driver applying data signals to the liquid crystal display panel; and a signal controller controlling the gate driver and the data driver. The signal controller includes a control signal generating unit multiplying a frame rate, and an image signal processing unit correcting image data of each of multiplied frames by alternately using a plurality of correction data set having different correction characteristics.

Display Device and Method, Recording Medium, and Program

April 24, 2008

The present invention relates to display devices and methods, recording media, and programs that allow moving images to be displayed with less double vision. An LCD 11 updates the display in the order of the columns or rows of pixels on the screen in units of column or row in each period of a frame. LED backlights 12 - 1 to 12 -N illuminate the pixels of the LCD 11, respectively, so as to illuminate part of all the columns or rows on the screen. A display control section 31 controls the light emission of the LED backlights 12 - 1 to 12 -N in a manner such that the LED backlights 12 - 1 to 12 -N illuminate the pixels updated in sequence in each period of the frame. The invention can be applied to display devices.

Progressive Refinement for Texture-based Volume Rendering

April 24, 2008

A method for rendering a two-dimensional image comprising: (a) obtaining a first three-dimensional set of data for a relatively high quality image; (b) generating a second three-dimensional set of data for a relatively low quality image from the obtained three-dimensional set of data; (c) rendering a relatively low quality two-dimensional image from second three-dimensional set of data; (d) rendering a first portion of a relatively high quality two-dimensional image from a first portion of the first three-dimensional set of data; (e) blending the rendered low quality two-dimensional image with relatively high quality two-dimensional image; (f) rendering a second portion of a relatively high quality two-dimensional image from a different portion of the first three-dimensional set of data; and (g) blending the rendered low quality two-dimensional image from second three-dimensional set of data with relatively high quality two-dimensional image from the second portion of the first three-dimensional set of data. The process repeats until the entire image is rendered.

LIQUID CRYSTAL DISPLAY MODULE

April 24, 2008

The present invention provides an LCD module, in which elements having high resistance to static electricity impact are used as circuit elements of a Printed Circuit Board (PCB) inside a Taped Carrier Package (TCP Board) connecting a front LCD panel to a rear main board, and static electricity introduced via the front LCD panel is dropped to a voltage that the main board can withstand when the static electricity is delivered to the main board, thereby having resistance to high voltage static electricity without requiring the formation or addition of a separate static electricity discharge path.

INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD

April 24, 2008

A plurality of stimulus generators ( 110 ), which is used to apply stimuli to the human body, and is laid on the human body of the user, is controlled. A position determination unit ( 108 ) determines whether or not a virtual object that forms a virtual space where the user exists is in contact with the human body. When the contact has occurred, a control unit ( 103 ) executes drive control of each of a plurality of stimulus generators ( 110 ), which are located near a place where the contact is determined, based on the positional relationship between the virtual object and the stimulus generators.

Computing system having a parallel graphics rendering system employing multiple graphics processing pipelines (GPPLS) dynamically controlled according to time, image and object division modes of parallel operation during the run-time of graphics-based applications running on the computing system

April 24, 2008

A computing system having a parallel graphics rendering system employing multiple graphics processing pipelines (GPPLs) dynamically controlled according to time, image and object division modes of parallel operation during the run-time of graphics-based applications running on the computing system. The parallel graphics rendering subsystem includes a plurality of graphics processing pipelines (GPPLs) and supports multiple modes of parallel operation selected from the group consisting of object division, image division, and time division. The GPPLs support a parallel graphics rendering process that employs one or more of the object division, image division and/or time division modes of parallel operation in order to execute graphic commands and process graphics data (GCAD), and render pixel-composited images containing graphics for display on a display device during the run-time of the graphics-based application. The GPPLs are controlled according to the modes of parallel operation instantiated during the run-time of the graphics-based application running on the computing system.

DATA LATCH CIRCUIT AND ELECTRONIC DEVICE

April 24, 2008

The data latch circuit of the invention includes a means for short-circuiting an input terminal and an output terminal of an inverter and by connecting the input terminal to one electrode of a capacitor and sampling a data signal or a reference potential to the other electrode of the capacitor, an accurate operation can be obtained without being influenced by variations in the TFT characteristics even when the amplitude of an input signal is small relatively to the width of a power supply voltage.

Control Apparatus for Enabling Computer Peripheral to be Controlled by Keyboard Indication Commands

April 24, 2008

A control apparatus for enabling computer peripherals to be controlled by keyboard indication commands is disclosed, which is substantially a control box connected to a computer and a keyboard respectively by interfaces thereof, and is comprised of: a micro control unit (MCU), capable of issuing an activating signal while receiving a keyboard indication command from the keyboard; and a computer peripheral, capable of being activated/deactivated by the activating signal.

Pointing device and method for item location and/or selection assistance

April 24, 2008

The invention describes a pointing device ( 1 ) and a methode for item location and/or selection assistance, which method comprises visually presenting a number of items (M 1 , M 2 , M 3 , M 4 ) in a visual presentation (VIP, VP′, aiming a pointing device ( 1 ) comprising a camera ( 2 ) and a directable source ( 12 ) of a concentrated beam of light (L) at the visual presentation (VP, VP′ of the items (M 1 , M 2 , M 3 , M 4 ), generating image data ( 3 ) of a target area (A) at which the pointing device ( 1 ) is aimed, analysing the image data ( 3 ) in order to locate a specific point within the target area (A), generating control signals ( 9 ) for controlling the directing arrangement ( 4 ), and directing the concentrated beam of light (L) so that the point (P 1 ) coincides with the specific point in the target area (A). The invention describes an interacting device ( 13 ) for interacting with a pointing device ( 1 ) to carry out I:he method for item location and/or selection assistance. Furthermore, the invention describes a system ( 14 ) for item location and/or selection assistance.

Methods for Determining a Cursor Position from a Finger Contact with a Touch Screen Display

April 24, 2008

A portable device with a touch screen display detects a contact area of a finger with the touch screen display and then determines a first position associated with the contact area. The cursor position of the finger contact is determined, at least in part, based on: the first position, one or more distances between the first position and one or more of the user interface objects; and one or more activation susceptibility numbers, each associated with a respective user interface object in the plurality of user interface objects. If the cursor position falls into the hidden hit region of a virtual push button on the touch screen display, the portable device is activated to perform operations associated with the virtual push button.

Computing system having multi-mode parallel graphics rendering subsystem including multiple graphics processing pipelines (GPPLS) and supporting automated division of graphics commands and data during automatic mode control

April 24, 2008

A computing system having a multi-mode parallel graphics rendering subsystem which includes multiple graphics processing pipelines (GPPLs) and automated division of graphics commands and data during automatic mode control. The multi-mode parallel graphics rendering subsystem supports multiple modes of parallel operation selected from the group consisting of object division, image division, and time division. The GPPLs support a parallel graphics rendering process that employs one or more of the object division, image division and/or time division modes of parallel operation in order to execute graphic commands and process graphics data, and render pixel-composited images containing graphics for display on a display device during the run-time of the graphics-based application. The multi-mode parallel graphics rendering subsystem includes a decomposition module, a distribution module and a recomposition module, for supporting the decomposition, distribution and recomposition stages of the graphics rendering process, respectively. The decomposition module includes a division control submodule for automatically processing graphics commands and data for division during the decomposition stage, and controlling the division of the graphics commands and data among the GPPLs, prior to the distribution stage, according to the mode of parallel operation instantiated at any instant during the run-time of the graphics-based application.

Video Generation Device, Load Display Method, Recording Medium, and Program

April 24, 2008

An operation input reception unit ( 201 ) receives an operation input for a virtual vehicle to be run on the running path. Further, a running condition managing unit ( 203 ) manages the running condition of the virtual vehicle based on the received operation input. Then, a video generation unit ( 204 ) generates a front image appearing in front of the virtual vehicle, based on image information stored in an image information storage unit ( 202 ) and the managed running condition. Meanwhile, a load calculation unit ( 205 ) calculates a load to be imposed on the virtual vehicle, based on the managed running condition. Further, a tire drawing unit ( 206 ) draws a tire image whose shape is changed according to the calculated load. Then, a display control unit ( 208 ) synthesizes the generated front image and the tire image, and displays the synthesized image.

TERMINAL HAVING COLOR CHANGING FUNCTION AND COLOR CHANGING METHOD THEREOF

April 24, 2008

A mobile communication terminal having a color changing function and its color changing method are disclosed. By changing an illumination color of a key input unit, a user can recognize an operation state of the terminal by intuition through the illumination color. In addition, because the key arrangement of the key input unit can be simplified, the terminal can become more compact.

AUTOMATED DERIVATIVE VIEW RENDERING SYSTEM

April 24, 2008

A system and method for creating a derivative view from graphical data which is derived from native application data. The native application data may be extracted from a graphical application, such as a CAD application, converted to an intermediate or derivative format, and a derivative view of the graphic information produced by the original, native application is provided from the intermediate format.

Multimedia Video Generation System

April 24, 2008

A multimedia video generation system is disclosed. The system comprises a receiving unit, a characteristic recognition unit, an object providing unit and a video synthesis unit. The receiving unit is for receiving a video consisted of a plurality of frames. The characteristic recognition unit is for recognizing an attribute parameter of a characteristic in these frames respectively. The object providing unit is for providing a first object and a second object based on the video and the characteristic respectively. The video synthesis unit is for synthesizing the video, the first object and the second object to generate a synthesized video.

Stripe-Based Image Data Storage

April 24, 2008

The present invention relates to a way of storing 3D images. The 3D image is composed of a stack of two-dimensional video data subsets represented by arrays of pixel data. Each array of pixel data is partitioned into a plurality of overlapping and adjacent vertical stripes of pixel data having a width at most equal to a cacheline of the memory. The upper most left stripe is stored first and each stripe is stored after the left adjacent stripe. When storing each stripe having multiple rows of pixel data, the upper row is stored first and the first pixel data of each subsequent row of the stripe is stored in a memory location coming after a memory location where the last pixel data of the preceding row in the stripe is stored.

Method for Automatically Generating Graphically Displayed Indicating Instruments

April 24, 2008

The invention relates to a method for automatically generating graphic display instruments for measured, regulation and/or control values, comprising the following steps: a) selection of a display instrument type; b) dynamic calculation of reproduction positions for reading-aid information in accordance with the type of display instrument that has been selected and with defined parameters; c) generation of the selected display instrument with the reading-aid positions in the calculated reproduction positions by means of respective classified generation objects; and d) display of the measured, regulation and/or control values in conjunction with the generated display instrument on a display.

Viewing Device and Cardboard Blank for the Production Thereof

April 24, 2008

The invention relates to a viewing device, having a housing ( 2; 26 ) which has a front wall ( 3; 3′; 21; 29 ) with at least one viewing opening ( 8; 8′; 23; 28 ) for an object on view ( 10; 16; 24 ) that can be disposed or displayed inside the housing ( 2; 26 ) on the inner face ( 9; 91; 34; 51 ) of the back wall ( 4; 4′; 22; 32, 33 ), and to a blank ( 25 ) for producing such a viewing device. In order for the two-dimensional object on views ( 10; 16; 24 ) displayed in such a viewing device ( 1; 1′; 20; 27 ) to give a three-dimensional impression, the invention proposes embodying the outer face ( 100 ) of the front wall ( 3; 3′; 21; 29 ) of the housing ( 2; 26 ) of the viewing device ( 1; 1′; 20; 27 ) as curved toward the observer ( 7 ). The three-dimensional impression of the object on view ( 10; 16; 24 ) to be displayed can be still further enhanced if in addition the back wall ( 4; 4′; 22; 32, 33 ) of the housing ( 2; 26 ) of the viewing device ( 1; 1′; 20; 27 ) has an inner face ( 9; 9′; 34; 51 ) that is curved away from the observer ( 7 ).

FACILITATING GROUP DISCUSSION

April 24, 2008

Among other things, a topic for group discussion is displayed in a public place at a scale that is visible to a group of people at the public place, contributions of users that relate to the topic are received from wireless devices of users who are at the public place, and at least portions of at least some of the contributions are displayed in the public place.

Deletion Gestures on a Portable Multifunction Device

April 24, 2008

Deletion gestures for use on a portable multifunction device with a touch-sensitive display are disclosed. In some embodiments, a computer-implemented method for use in conjunction with the portable multifunction device comprises displaying a list of items on the touch-sensitive display, detecting a first gesture on the touch-sensitive display to edit the list of items, responding to the first gesture by displaying a first icon next to each deletable item in the list, detecting a second gesture on the touch-sensitive display to select one of the deletable items, and responding to the second gesture by displaying a second icon next to the selected item. If a third gesture on the second icon is detected, the selected deletable item is deleted. If a fourth gesture on the first icon next to the selected deletable item is detected, the second icon is deleted.

Method for Processing Image Data

April 24, 2008

A method for processing a frame of image data, wherein the image data is amplified by a gain factor determined in dependence of a number of sub-pixels within said frame of image data having a luminance above a first threshold value. The resulting gain factor allows for optimal amplification of the image data without loss of local detail. This leads to a better perceived image quality. In a preferred embodiment, the gain factor is simultaneously used for reducing the backlight intensity in a backlit LCD device. Thereby, the perceived image quality is similar to that of the unprocessed image data, however the power consumption of the LCD backlight is reduced substantially.

Email Client for a Portable Multifunction Device

April 24, 2008

A computer-implemented method for providing email at a portable communications device with a touch screen display is disclosed. A first portion of a list of entries with information about corresponding electronic messages is displayed in a first area of the touch screen display. A first portion of an electronic message that corresponds to an entry in the list of entries is displayed in a second area of the touch screen display that is separate from the first area. In response to a first gesture by a user in the first area of the touch screen display, the list of entries is scrolled to display a second portion of the list of entries. In response to a second gesture by the user in the second area of the touch screen display, the electronic message is moved in two dimensions to display a second portion of the electronic message.

ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD OF MANUFACTURE

April 24, 2008

An organic light emitting diode display includes a display region where a plurality of thin film transistors and a plurality of emission layers are formed, and a peripheral area formed along the circumference of the display area; a flexible conductive film that includes contact portions, each of which is formed on the corresponding anisotropic conductive film, has a conductive layer and an insulating layer covering the conductive layer, and has substantially the same layout as the voltage pads; an anisotropic conductive film that is formed on the voltage pads; and voltage pads that are formed in the peripheral area and that apply at least one of a driving voltage and a common voltage to the display region.

Liquid crystal display device with light sensor on light guide plate thereof

April 24, 2008

An exemplary liquid crystal display device ( 200 ) includes a liquid crystal panel ( 220 ), a light guide plate ( 210 ) opposite to the liquid crystal panel, a light source configured for supplying light beams to the light guide plate, a driving chip ( 230 ) provided at the light guide plate and configured for driving the liquid crystal panel, and a light sensor ( 240 ) disposed on the light guide plate. The light sensor senses a brightness of the external environment, and transmits a signal indicating the brightness to the driving chip. The driving chip receives and processes the signal, and adjusts a brightness of the light source such that an image displayed by the liquid crystal panel is adjusted according to the brightness of the external environment.

INTERACTIVE HYPERWALL FOR VISUALIZATION, SIMULATION, GAMING

April 24, 2008

An interactive hyperwall containing a plurality of meta-monitors having a computer with an operating system and bearing multiple graphic cards, multiple displays supported by the graphic cards, and a computer-readable storage device with software; a hyperwall system, for simultaneous visualization of different representations of multidimensional data, the hyperwall system containing an interactive hyperwall. The components of the hyperwall system used may be ‘off the shelf’ components. Open source software may be used to achieve the display; and a method of simultaneously visualizing different representations of data by creating an interactive hyperwall. The interactive hyperwall includes a plurality of meta-monitors, each meta-monitor having a computer with a network ID and multiple graphic cards, multiple displays supported by the graphic cards, and a storage device with software. Polling is performed to determine if visualization is requested and, if visualization is requested, data representations are displayed.

INTEGRATED CIRCUIT MODULE AND METHOD FOR DATA TRANSMISSION

April 24, 2008

An integrated circuit (IC) module for data transmission and a method for the same are disclosed. According to the present invention, the connection is such that in the module a plurality of ICs is electrically connected to a plurality of transmission lines for transmitting data. The module further includes a stagger device for making data to be transmitted via the transmission lines asynchronously. The stagger device causes different delays for the respective transmission lines, so as to avoid the over transient current being generated in the module.

Light Modulator

April 24, 2008

The light modulator for modulating light has a light modulating element, having a medium with a particle ( 6 ) and an optical state depending on the position of the particle ( 6 ), and a particle controller ( 10,11,100 ) being arranged to enable a movement of the particle ( 6 ) to one of the positions for modulating the light. For the light modulator to have a particle ( 6 ) which can relatively easily be moved, the particle ( 6 ) has a carrier particle ( 81 ) which contributes in operation to the ability of the particle ( 6 ) to be moved and is substantially non-contributing to the optical state, and an optical particle ( 86 ) which has an optical property for contributing to the optical state, is associated with the carrier particle ( 81 ), and has a position depending on the position of the carrier particle ( 81 ).

METHOD AND APPARATUS FOR IDENTIFYING APPLICATION IN MULTISCREEN ENVIRONMENT

April 24, 2008

A method and apparatus for identifying an application in a multi-screen environment are provided. The apparatus includes a digital signal processing module which receives at least one of video information, audio information and data information, and restores a service based on the at least one of the video information, the audio information and the data information, a service processing module which generates a plurality of logical screens for displaying the restored service, and an output module which maps the plurality of logical screens provided by the service processing module to different locations on a display screen. An application present in the service is identified by a service context in which the application is executed and by identification inform.

Object outputting method and information processing apparatus

April 24, 2008

In order to display the image included in the original one on a display part together with outputting the object, a key in a keypad on an operation part by a user. Thereby, the key operated by the user is specified in both of the mask image creation part 32 and data notification part 35 . Subsequently, it is judged whether there is the object inherently assigned to the specified key or not. When the judge result is affirmative, the object that corresponds to the operation of the key is output together with displaying the image included in the original one. As a result, a changing of output object when an image included in an original one is displayed together with outputting an object is able to perform simply for the user.

Accumulation display device, interlocked display method and system

April 24, 2008

An accumulation display device can interlock a display content according to specification of each of the mobile data terminals. An interlocked display system includes an accumulation display device having a metadata interpretation unit that analyzes metadata transmitted by a broadcast wave or a communication network and an accumulated image processing unit that performs accumulation processing of a program content or transmission processing of a restructured program content and managing each mobile data terminal, and the mobile data terminal. Highlights or replays of various scenes of a program currently viewed on the accumulation display device can be viewed on another device. Information on the currently viewed program and a related program as well as a previous scene can be viewed on the mobile data terminal.

Generating and displaying spatially offset sub-frames

April 24, 2008

A method of displaying an image with a display device includes receiving image data for the image. Sub-frame shifting parameters are identified based on at least one of image characteristics of the image, system status information, and user-defined parameters. A first plurality of sub-frames corresponding to the image data is generated based on the identified sub-frame shifting parameters. The first plurality of sub-frames is displayed at a first plurality of spatially offset sub-frame display positions using the identified shifting parameters, thereby producing a displayed image.

VIRTUAL DISPLAY AND CONTROL SYSTEM FOR MEDICAL DEVICES

April 24, 2008

A virtual display and control system for medical devices is provided including a patient monitor ( 5 ) and/or a therapy device ( 6 ) for a patient that is connected to a display and control panel projector ( 3 ) via an associated evaluating and control device ( 4 ) for the display and control panel projector ( 3 ). The display and control panel projector ( 3 ) is set up to project a display and control panel preset by the evaluating and control device ( 4 ) onto a projection surface ( 7 ) in the patient care area connected to the patient monitor ( 5 ) and/or to the therapy device ( 6 ). The display and control panel projector ( 3 ) is set up by means of at least one optical sensor element to detect the current manual occupation of the display and control panel.

Methods and apparatus for latch-up free boosting

April 24, 2008

A voltage generator includes a boosting circuit boosting a power voltage to generate first through fourth voltages, and a boosting controller controlling the boosting circuit. The boosting controller sets the third and fourth voltages to a voltage level lower than that of a ground voltage while the first and second voltages are generated, so that a plurality of voltages may be stably generated, i.e., without latch-up.

System For The Three-Dimensional Imaging Of A Moving Joint

April 24, 2008

The invention relates to a system and a method for the generation of 3D images of a moving joint ( 1 ). A rotational X-ray device ( 10 ) generates projections of said joint from different directions while the simultaneous periodic movement of the joint ( 1 ) is recorded by a monitoring device ( 20 ). The generated X-ray projections are then classified according to the phase of joint movement to which they belong, and 3D images are reconstructed from X-ray projections of each class. Thus a 3D movie of the joint movement can be produced and shown on a monitor. The monitoring device ( 20 ) may particularly be realized by an apparatus that allows the forced movement of the joint ( 1 ) in synchronization with the generation of X-ray projections.

Lighting System Power Adaptor

April 24, 2008

A power adaptor for a lighting unit, comprising an input for coupling to an electrical power supply and a controller adapted to monitor the input and operable to provide at least two independent electrical outputs, each output having a power level based on an amount of power available at the input. The independent electrical outputs may be used to supply and control an intensity and/or colour characteristic of a solid state lighting unit, comprising at least two separately controllable coloured emitters.

TOUCH SENSOR UNIT AND METHOD OF CONTROLLING SENSITIVITY THEREOF

April 24, 2008

A touch sensor unit and a method of controlling the sensitivity of the touch sensor include a supporting substrate, a touch sensor disposed on the supporting substrate, a cover having a three-dimensional form disposed on the touch sensor, and a control unit controlling the sensitivity of the touch sensor by applying weighted values to the sensitivity, wherein the sensitivity corresponds to three-dimensional location data of the cover.