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| Number | Title | Issue Date |
| 7425994 | Video decoder with different signal types processed by common analog-to-digital converter A video decoder (14). The decoder comprises an interface (30) for receiving a set of an integer number S of analog input signals at a same time. The decoder also comprises circuitry for processing the S analog input signals, and that circuitry comprise... | 09/16/2008 |
| 7376277 | Data transform for improved compression of multicomponent images Color image transform coding methods and apparatus which take advantage of redundant information which is normally present in the luminance and chrominance components of a color image are described. The transform coding method of the present invention, can normally ... | 05/20/2008 |
| 7372505 | Programmably controlling video formats A video controller may include at least one video input port which may be programmably configured to receive either RGB or non-RGB color space signals. The video controller may programmably operate in either an RGB or non-RGB mode. In this way, the number of color s... | 05/13/2008 |
| 7362383 | System, method and apparatus for utilizing a single video input of an electronic audio/visual signal receiver as an input for multiple video signal formats A system, method, and apparatus for utilizing a single video input for receiving multiple video format signals in an electronic video receiver. The single video input includes a set of inputs to accommodate a component video signal from any one of a multitude of vid... | 04/22/2008 |
| 7336288 | Sampling rate converting system and filtering method A high-definition luminance signal Y1 is converted into a luminance signal Y2 of a rate (subpixel sampling rate) corresponding to the number of subpixels in the horizontal direction on a display by a subpixel number-of-pixel converter. The luminance si... | 02/26/2008 |
| 7315406 | Scanning circuit structure A scanning circuit having rearranged circuit modules at each end of a flat cable. After the rearrangement, the flat cable carries scanning control signals produced by a conventional IC communication interface instead of timing signals and carries digital image data ... | 01/01/2008 |
| 7265778 | Visual display characterization A method of characterizing a display having a plurality of color channels includes the steps of visually characterizing the nonlinearities of the display; determining luminance ratios of the color channels using heterochromatic photometry; determining the chromatici... | 09/04/2007 |
| 7227586 | Color signal processing A method of adjusting the N components of an N component color signal (such as the 3 components of an RGB color signal) with respect to color temperature of illuminating light when imaging a colored subject, comprising the step of computing the difference between ea... | 06/05/2007 |
| 7224406 | Digital signal processing system and method applied for chroma transition A digital signal processing system and method applied for chroma transition, wherein the method has the acts of: performing a difference process on an original chroma signal C to obtain a first difference signal C′; calculating an absolute value |C′| of the firs... | 05/29/2007 |
| 7196735 | Method for determining an adjustment amount to an input chroma A method is disclosed for determining an adjustment amount to be made to an input chroma, Cin, to squeeze the input chroma toward a region of preferred chroma, Cpref. This method involving first defining a change in chroma as: ΔC=Cin | 03/27/2007 |
| 7170651 | Image reader In an image reader, delay circuits are disposed on connection lines connecting an A/D converter with an image data generation circuit, whereby the output timings of the digital electric signals output from the A/D converter differ. Thus, the digital electric signals... | 01/30/2007 |
| 7167062 | Oscillator circuit and oscillator biasing method An oscillator circuit with an oscillator device. The oscillator device has a oscillator bias contact (Vcm). A bias source (Vbias) is connected to said oscillator contact with a source contact. The voltage source includes a varying bias source which in use provides a... | 01/23/2007 |
| 7145605 | Synchronization of chroma and luma using handshaking An apparatus for synchronizing chroma and luma data includes a first handshake block for luma data, a second handshake block for chroma data, and a means for providing a handshake signal to the first block and to the second block based at least in part on a determin... | 12/05/2006 |
| 7136417 | Chroma conversion optimization A system for processing color information in a video signal is provided. The system includes a memory with logic, and a processor configured with the logic to receive a compressed video stream that includes a frame picture having chroma samples and luma samples, whe... | 11/14/2006 |
| 7136036 | Method and apparatus for uniform brightness in displays An analog display driver comprises a matrix array of flatness correction values used to compensate for variations in liquid crystal gap dimensions and at least a first digital-to-analog converter (DAC), wherein a variable voltage transfer function is applied to the ... | 11/14/2006 |
| 7127651 | Sampling rate converter for both oversampling and undersampling operation A sampling rate converter includes a chain of identical cells connected in series. An input of a first cell of the chain receives input digital sampling values according to an input frequency. An output of the first cell then delivers output digital sampling values ... | 10/24/2006 |
| 7113227 | Gradation correcting apparatus gradation correcting method and video display apparatus The present invention has an object to provide a gradation correcting apparatus for correcting the gradation of the white side of a video luminance signal. The gradation correcting apparatus is provided with a maximum value detector 101 for detecting a... | 09/26/2006 |
| 7103216 | Color chart and color conversion definition creating method A color chart includes color patches associated with all vertexes of a rectangular parallelepiped defined by a base coloring amount (QCb, QMb, QYb) comprising combinations of minimum coloring amounts QCb, QMb an... | 09/05/2006 |
| 7098821 | Receiving and transmitting signals having multiple modulation types using sequencing interpolator In a wireless local area network (WLAN), receiving or transmitting signals having multiple modulation schemes can require the use of multiple clock rates. Providing these multiple clock rates significantly increases silicon area and power consumption, both of which ... | 08/29/2006 |
| 7081874 | Portable display device and method utilizing embedded still image buffer to facilitate full motion video playback A portable display device (10) includes an LCD display module (12) that includes an embedded still image buffer (16), and external processing circuitry (24) and associated processor memory (22), wherein the processor memory (22 | 07/25/2006 |
| 7068283 | Gamma correction only gain/offset control system and method for display controller A display controller provides luminance values to a display, where values for contrast and brightness for the display are constructed within a gamma correction mapping table. The display controller has an original gamma correction mapping table, a gamma correction t... | 06/27/2006 |
| 7068327 | Video encoder and image processing system using same A video encoder capable of adjusting output levels and more effectively utilizing performances of later devices, provided with a level adjustment circuit for adjusting output levels of an input luminance signal, color signal, and composite video signal by adding DC ... | 06/27/2006 |
| 7034867 | Digital camera A digital camera includes an LCH conversion circuit. The LCH conversion circuit detects an L component value, a C component value and an H component value from each of pixel signals forming an image signal of an object being photographed. A plurality of reference L ... | 04/25/2006 |
| 7034894 | Digital-to-analog conversion multiple-format video encoder A multiple-format video encoder stores values of the sine and cosine functions in a ROM. According to the externally specified video format, an address calculating circuit calculates the addresses at which to access the ROM. In the multiple-format video encoder, a l... | 04/25/2006 |
| 7002627 | Single-step conversion from RGB Bayer pattern to YUV 4:2:0 format Bayer-pattern pixels captured by an image sensor have only one of the three primary colors (RGB) per pixel location. Rather than interpolate the Bayer-pattern to generate the missing RGB color components for each pixel location, a direct conversion is performed to Y... | 02/21/2006 |
| 6975362 | Video signal converter for converting non-interlaced to composite video A VGA to analog video converter is useful e.g. for displaying video and/or graphics data from a computer onto a large screen television or television monitor. The RGB video signals output from the personal computer are first converted to digital form. The analog-to-... | 12/13/2005 |
| 6967692 | Apparatus for processing luminance signal A luminance signal processing apparatus that detects an average luminance level, adaptively to various video signal formats. This luminance signal processing apparatus includes a window pulse generation unit 101 for generating a window pulse signal S110 | 11/22/2005 |
| 6956622 | Method and apparatus for modulating video signals A luminance component of a video signal is modulated in a first frequency band. A chrominance component of the video signal is modulated in a second frequency band. The modulated luminance component and the modulated chrominance component are then transmitted across... | 10/18/2005 |
| 6950834 | Online database table reorganization A database table reorganization is defined to permit online access of the table during the reorganization. Records are reorganized in the database table by vacating records from a defined number of pages and then filling the pages with records in accordance with a d... | 09/27/2005 |
| 6943847 | FM demodulator for SECAM decoder A SECAM decoder and an FM modulator therefor are disclosed, in which a demodulated color signal is provided to indicate deviations in the frequency of modulated color information from a nominal subcarrier frequency. The demodulator comprises numerator and denominato... | 09/13/2005 |
| 6937294 | Multiplexed video signal interface signal, system and method A multiplexed video signal interface in accordance with the present invention provides a multiplexed component video signal which includes component video signals with OSD data and user-controllable contrast and video gain, along with the ability to individually con... | 08/30/2005 |
| 6937269 | Electronic endoscope selector and electronic endoscope system An electronic endoscope selector that is used in an electronic endoscope system which shares peripheral devices, such as a TV monitor, VCR etc., among a plurality of electronic endoscopes. The electronic endoscope selector comprises switching circuits for switching ... | 08/30/2005 |
| 6909472 | Conversion of a video signal for driving a liquid crystal display Method and apparatus for the conversion or generation of a video signal intended to be displayed on an image display with different luminance response times for rise and fall. The conversion or generation of the video signal is so that motion artefacts which are cau... | 06/21/2005 |
| 6825887 | Color component signal interface circuit An interface circuit 13 is provided for a display apparatus 3 such as a television. The display apparatus 3 comprises a video signal processing circuit 8 for processing a composite video signal to derive color component signals having var... | 11/30/2004 |
| 6798462 | Method of processing signals and apparatus for signal processing An image processing apparatus operates to process signal samples in a form of color reference signal samples representative of at least part of a color video image to produce legal color signal samples representing a legal color version of the image. The apparatus c... | 09/28/2004 |
| 6768385 | Intelligent phase lock loop A PLL architecture with fast phase acquisition, a stable freerun output frequency, and post-freerun fast phase recovery. The invention is particularly well suited for use in a video graphics a/d conversion circuit. An intelligent phase lock loop is optimized to dete... | 07/27/2004 |
| 6734921 | Processing signal samples of color video image to produce legalized color version of the image An image processing apparatus operates to process signal samples representative of at least part of a color video image to produce legal color signal samples representative of a legal color version of the image. The apparatus comprises an over sampling processor whi... | 05/11/2004 |
| 6703802 | Saturation suppression of CRT output amplifiers The invention provides a circuit for controlling a cathode ray tube. The circuit comprises a source of input color signals (Uin (R), Uin (G), Uin (B)) for the primary colors of the cathode ray tube. Output amplifiers are c... | 03/09/2004 |
| 6686971 | Device and method for decoding television video signal Device and method for decoding a television video signal are suggested. The device includes a tint controller and a color space converter. The tint controller converts a plurality of color space converting coefficients which is used for converting color s... | 02/03/2004 |
| 6614489 | Method of processing signals and apparatus for signal processing An image processing apparatus operates to process input signal samples representative of at least part of a color video image to produce legal color signal samples representative of a legal color version of the image. The apparatus comprises an adjustment... | 09/02/2003 |
