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| Number | Title | Issue Date |
| 8049818 | Video processing apparatus and method The present invention relates to a video processing method and apparatus capable of performing a proper video process corresponding to various color systems. A decoder extracts color information from a received video signal including vertical synchronous information... | 11/01/2011 |
| 7440702 | Method for transmitting digital image signal, digital image transmitting device, digital image sending device and digital image receiver A multiplexer of a transmission section generates a clock signal by multiplying a reference clock signal of a digital image signal by a predetermined number âKâ. A parallel digital image signal is converted into a serial digital signal on the basis of the clock ... | 10/21/2008 |
| 7429992 | Method and system for providing accelerated video processing in a communication device Providing accelerated video processing in a communication device may comprise receiving video data from a video source on a chip, determining a first format for at least a portion of the received video data, and determining a second format of at least a remaining po... | 09/30/2008 |
| 7365798 | Video signal identification device and video signal identification method The procedure of the invention acquires a maximum RB value, which is a largest value of an R signal component and a B signal component, on the assumption that the signal format of an input video signal is an RGB signal, and obtains an RGB probability corresponding t... | 04/29/2008 |
| 7366240 | Decoder and method of decoding using pseudo two pass decoding and one pass encoding A method of processing video frame data includes the steps of: receiving a video frame; partially decoding the video frame; fully decoding the video frame to produce macroblocks; determining video data parameters from the partially decoded video frame or both the pa... | 04/29/2008 |
| 7356311 | Wireless audio signal and control signal device and method thereof A signal transmission arrangement includes a signal transmitter and a signal receiver wirelessly communicating with the signal transmitter. The signal transmitter includes a hybrid signal device to hybridize the audio signal with the control signal to form a consoli... | 04/08/2008 |
| 7319449 | Image display apparatus and image display method An aspect of the invention provides an image display apparatus that displays a plurality of input pixels which form input image data on a display section. In that case, each input pixel can be displayed in such a manner that display pixels having gradation values di... | 01/15/2008 |
| 7301582 | Line address computer for providing line addresses in multiple contexts for interlaced to progressive conversion Presented herein is a system and method for a line address computer for providing line addresses in multiple contexts for interlaced to progressive conversion. A feeder fetches a first line from a top field, fetches a first line from a bottom field corresponding to ... | 11/27/2007 |
| 7277134 | Chrominance signal demodulation apparatus An NTSC system chrominance signal demodulation apparatus is provided with a clock timing change circuit for burst-locking an input signal under the state where the phase is shifted by 90 degrees for every line, and phase axis rotation circuits for performing phase a... | 10/02/2007 |
| 7227554 | Method and system for providing accelerated video processing in a communication device Providing accelerated video processing in a communication device may comprise receiving video data from a video source on a chip, determining a first format for at least a portion of the received video data, and determining a second format of at least a remaining po... | 06/05/2007 |
| 7215650 | Adaptive data rate control for narrowcast networks A system to provide narrowcast communications uses adaptive data rate control to individual subscribers such that the effects of precipitation or other link conditions, which are not common to all subscribers, is mitigated. The invention takes advantage of the fact ... | 05/08/2007 |
| 7173674 | Digital broadcast receiver unit A digital broadcast receiver unit for determining the scanning method of the video signal of the selected program when signals multiplexed through a plurality of different scanning methods are received, processing these video signals by an appropriate video signal p... | 02/06/2007 |
| 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 |
| 7127121 | Efficient implementation of a noise removal filter A method for noise removal filtering is provided. The method includes selecting a characteristic of a test pixel, such as brightness, and comparing the brightness of the test pixel to the brightness of an adjacent pixel. The noise removal filtering is terminated if ... | 10/24/2006 |
| 7034886 | Video production switcher with integrated aspect ratio converter A video production switcher converts an aspect ratio through the use of an integrated aspect ratio converter. Additionally, by having both converted and native format signals input to a switcher processor, the effective number of inputs can be doubled. ... | 04/25/2006 |
| 7006147 | Method and system for MPEG chroma de-interlacing A method (300) of converting interlaced Moving Picture Experts Group (MPEG) video signals to progressive video signals can include receiving an interlaced video signal representing a luma component specifying luma lines and a chroma component specifying chrom... | 02/28/2006 |
| 6947096 | Video processing apparatus for converting composite video signals to digital component video signals A chroma-decoder 1 has two SRCs 17 and 21. The first SRC 17 performs down-conversion, changing the sampling rate of a composite video signal sampled with a system clock signal Cs to the sampling rate (14.3 MHz) of an NTSC signal. The sign... | 09/20/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6826230 | Method and system for coding an image sequence corresponding coded signal and storage medium and method and system for decoding such a coded signal The invention relates to an image sequence coding method comprising a segmentation of each image into partitions made of regions, an estimation and compensation of the motion of these regions between two partitions, and a region contour and texture coding step. The ... | 11/30/2004 |
| 6760036 | Extended precision visual system A method for extending the data width of a graphics processing channel in a computer graphics system. The method includes the first step of providing a plurality of graphics processing channels having pre-defined output data widths or capacities. The next step is co... | 07/06/2004 |
| 6674479 | Method and apparatus for implementing 4:2:0 to 4:2:2 and 4:2:2 to 4:2:0 color space conversion A method and circuit are provided for color space conversion of Y (luminance) and UV (chrominance) components from a planar YUV 4:2:0 format to an interleaved, or packed YUV 4:2:2 format, and from an interleaved, or packed YUV 4:2:2 format to a planar YUV... | 01/06/2004 |
| 6570625 | Display apparatus and display method Anode voltages A' and B' corresponding to video signals A and B are switched by a first switch and supplied to an anode. Cut-off voltages A and B corresponding to the video signals A and B are switched by a second switch and added to a video signal by an ... | 05/27/2003 |
| 6559892 | Video signal transmitter To provide a video signal transmission apparatus capable of correctly transmitting a digital video signal. A PLL circuit 5 has a first cutoff frequency lower than the frequency of a horizontal synchronization signal contained in a digital video signal S9.... | 05/06/2003 |
| 6504551 | Color correction device, color correction method, picture processing device, and picture processing method The color of plural pixels making up a source video image is corrected by a computer 10, a hard disc device 20 and a picture processing device 30. The computer 10 functions as a parameter setting unit for setting plural parameters for designating the sour... | 01/07/2003 |
| 6429900 | Transmission of wideband chroma signals A method of transmission of wide bandwidth chroma signals converts a component video signal having a luminance and two half-bandwidth chroma components into a 0:4:4 video signal having no luminance component and two wide bandwidth chroma components. Half ... | 08/06/2002 |
| 6362831 | Method and apparatus for performing plural matrix multiplication operations using a single coded look-up table In a method and apparatus for reducing the number of look-up tables when converting digitized luminance-chrominance color space signals to digitized RGB color space signals, first, second, third and fourth matrix multiplication operations of the digitized... | 03/26/2002 |
| 6226043 | Video signal transmission method and video signal transmitting apparatus without transmitting of multiplex timing signal A video signal transmitting apparatus is arranged by a multiplexing unit for multiplexing digital R (red), R (green), B (blue) video signals in a time divisional manner; and for inserting a synchronization corresponding signal into the digital R, G, B vid... | 05/01/2001 |
| 6226042 | Color encoder A color encoder is incorporated in an apparatus for reproducing a signal recorded on a disk for a video-CD, CD-G, or similar system. The color encoder serves as an interface between such an apparatus and a television receiver. The color encoder converts R... | 05/01/2001 |
| 6160543 | Transmission device for computer video signals A transmission device for computer video signals. Computer video signals can be inputted into the transmission device for processing and to be transmitted by only three pairs of transmission line (Category 5 UTP) to a remote terminal, while still maintain... | 12/12/2000 |
| 5900861 | Table-driven color conversion using interleaved indices Image signals are converted from one color format to another using a lookup table based on interleaved indices generated from the components in the first color format. In a preferred embodiment, image signals in a YUV format are converted to image signals... | 05/04/1999 |
| 5896179 | System for displaying computer generated images on a television set In a graphics card of a computer, a circuit is provided for displaying graphic presentations generated by the card on an external TV set. A TV adapter controls a horizontal state machine of a CRT controller so as to delay generation of CRT timing signals ... | 04/20/1999 |
| 5691746 | Digital video format conversion by upsampling decompressed data using on-the-fly interpolation and color conversion The present invention is related to an apparatus for digital video format conversion for a decompressed digital video data outputted from a decompressor, which includes a video interpolation device processing the decompressed digital video data by way of ... | 11/25/1997 |
| 5561463 | Video signal coding using sub-band coding and phase-segregated coding techniques A composite video signal is formed in which high luminance frequencies are modulated so that they occupy frequencies above the chrominance band. A sub-band coder is used to split the luminance frequency band into high and low frequencies at the coder, and... | 10/01/1996 |
| 5499058 | Digital color encoder using triangular wave modulation This invention provides a digital color encoder for digitizing color video signals. The encoder forms a digitized color video signal using logic function processing of the digitized luminance signal and color difference signals. The encoder provides an ou... | 03/12/1996 |
| 5469219 | RF-based high-bandwidth signal transmission method and apparatus A method and apparatus for signal transmission in which each of a series of input signals (e.g., RGB baseband video signals) is frequency-modulated onto an intermediate frequency. The intermediate frequency signals thus produced are then fed through RF mi... | 11/21/1995 |
| 5459523 | Image transmission device An image transmission device is arranged to compress an image signal having a predetermined signal band by using a band compression circuit and to transmit the compressed image signal. The image transmission device is characterized by synthesizing a plura... | 10/17/1995 |
| 5430487 | Method and apparatus for improving temporal video signal processing using motion vectors transmitted with the video signal A system for improving motion-sensitive processing in a television receiver generates motion vectors for video images in a studio environment, encodes the motion vectors and then combines the encoded motion vectors with the video signal for transmission. ... | 07/04/1995 |
| 5387941 | Data with video transmitter Signal processors for permitting the transparent, simultaneous transmission and reception of a data signal in the video bandwidth is disclosed. The signal processor in the transmitter rasterizes the data at the horizontal scanning rate and modulates the d... | 02/07/1995 |
| 5329360 | Multiplexing and demultiplexing image data Image data multiplexing apparatus for multiplexing digital luminance and chrominance data of a representation of an image into multiplexed data blocks of a predetermined length, along with a corresponding demultiplexing apparatus, is described. Each of th... | 07/12/1994 |
| 5327237 | Transmitting data with video Signal processors for permitting the transparent, simultaneous transmission and reception of a secondary data signal with a video signal in the video band is disclosed. The signal processor in the transmitter rasterizes the data at the horizontal scanning... | 07/05/1994 |
