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Class 348/386.1 - Color television


Subclass of Class 348 - Television
Definition: Subject matter wherein color video signals are specified.
No. of patents: 43
Last issue date: 04/22/2008


1    
NumberTitleIssue Date
7362907Image coding apparatus, image coding method, image decoding apparatus and image decoding method
A coded bit stream generated on a coding side consists of a VO header, a VOL header, a GOV header, a VOP header and VOP data, and the VOL header multiplexes an object intra-coded indicator signal indicating whether all the VOP data contained in a VOL or GOV are intr...
04/22/2008
7230650Data transmission method, data receiving method, video data transmission apparatus and video data receiving apparatus
The present invention is relative to a video signal transmitting/receiving system in which digital video signals are transmitted from a transmitter (30) to a receiver (50) using a line (9) as a transmission channel. The transmitter (30) c...
06/12/2007
7197188Image coding apparatus, image coding method, image decoding apparatus and image decoding method
A coded bit stream generated on a coding side consists of a VO header, a VOL header, a GOV header, a VOP header and VOP data, and the VOL header multiplexes an object intra-coded indicator signal indicating whether all the VOP data contained in a VOL or GOV are intr...
03/27/2007
7170546Television system distributing a dynamically varying number of concurrent video presentations over a single television channel
A system for providing, in a television system, the combination, transmission, and reception of multiple video presentations over a single channel of a television distribution system. Presentations may be concurrently broadcast for viewing by many users, as well as ...
01/30/2007
7127110Image encoding device, image encoding method, image decoding device and image decoding method
A coded bit stream generated on a coding side consists of a VO header, a VOL header, a GOV header, a VOP header and VOP data, and the VOL header multiplexes an object intra-coded indicator signal indicating whether all the VOP data contained in a VOL or GOV are intr...
10/24/2006
7088398Method and apparatus for regenerating a clock for auxiliary data transmitted over a serial link with video data
A communication system including a transmitter, a receiver, and a serial link, in which encoded data (e.g., video, audio, and optionally also other auxiliary data) are transmitted from the transmitter to the receiver. The serial link can but need not be a TMDS or TM...
08/08/2006
7068724Method and apparatus for inserting digital media advertisements into statistical multiplexed streams
A method and system for the insertion of local signals, including digital media advertisements, into statistically multiplexed streams is presented. The rate control and timing information is computed and is used to specify the insertion time and rate parameters for...
06/27/2006
7064778Multi-camera system for implementing digital slow shutter video processing using shared video memory
A technique, specifically a method and apparatus that implements the method, that allows a memory to be located remotely from a video source. Specifically, the method provides a write control signal between a video source and a remote memory that allows the remote m...
06/20/2006
7053930Triangular bidirectional scan method for projection display
One embodiment disclosed relates to a method for bi-directional progressive scanning in a display system. The method includes receiving image data for an image to be displayed, forward scanning the image data in a first direction using a linear array of controllable...
05/30/2006
7054281Multi-channel tuner using a discrete cosine transform
A satellite receiver includes a multi-channel tuner for processing a plurality of different transponder signals to simultaneously provide a plurality of different bit streams from at least two of the transponder signals. The multi-channel tuner includes (a) a demult...
05/30/2006
7050496Multi-channel image encoding method and system
A method and apparatus for encoding multi-channel video signals is disclosed. In order for multiple of input channels to share hardware resources, one input channel is selected and multi-channel input video signals are stored through memory block switching. Multiple...
05/23/2006
7016407Pre-processing of bit rate allocation in a multi-channel video encoder
A method and apparatus for bit rate allocation, or statistical multiplexing, in a multi-channel video data encoder. A pre-processor in each channel determines a bit rate need prior to compression and encoding. A control processes the bit rate need in each channel to...
03/21/2006
6963608Method and apparatus for providing rate control in a video encoder
A method and apparatus are provided for controlling the quantization level in a digital video encoder that comprises a plurality of parallel compression engines (12). The input picture is partitioned into a number of panels (10) and each panel is proce...
11/08/2005
6959451Transmission communications management
An interactive transmission system having a data management module that identifies at least one transmission characteristic of at least one transmitter module. The transmitter module transmits data over a transport medium. The data management module modifies its beh...
10/25/2005
6947060Image 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
6914936Method for allocating media unit sequences among a plurality of output channels
A method for allocating media unit sequences, such as MPEG compliant programs, among a plurality of output channels, especially in an allocation unit environment. The method including the steps of: (I) Generating previous media unit sequence behavior pattern informa...
07/05/2005
6873368Low noise encoding and decoding method
An adaptive digital image processor precedes an MPEG2 encoder. The processor receives a high definition video signal intended for broadcast or storage, and adaptively low-pass filters the signal. The signal is subjected to low-pass two-dimensional filtering to elimi...
03/29/2005
6369861Program selection system for a digital television receiver
A program selection system for a consumer digital television receiver includes a numeric keypad and scrolling keys for selecting a channel through which a multi-program bit-stream is received. The numeric keypad and the scrolling keys may also be used to ...
04/09/2002
6226043Video 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
6044396Method and apparatus for utilizing the available bit rate in a constrained variable bit rate channel
A system for utilizing the available bit rate in a constrained variable bit rate channel is described. The system receives one or more encoded information streams, each having a variable bit rate. Rate control circuitry controls the rate of transmission o...
03/28/2000
5905543Color video system with illuminant-independent properties
The signals received by the three cameras of any color video system are determined by the reflectance properties of the objects in the scene and the spectral distribution function of the illuminant. Since the information of interest to the observer is det...
05/18/1999
5687095Video transmission rate matching for multimedia communication systems
Digital video transmission rate matching techniques are disclosed. A bit stream rate matching apparatus includes a bit rate increasing device and a bit rate reducing device. The bit rate increasing device converts a video bit stream having a first transmi...
11/11/1997
5629736Coded domain picture composition for multimedia communications systems
Video composition techniques are disclosed for processing video information from a plurality of sources to provide a video image having a plurality of rectangular regions. Each rectangular region displays video information from a specific one of the plura...
05/13/1997
5621463Easily expandable transport stream encoder
A transport stream encoder is disclosed which comprises a plurality of FIFO buffers coupled to sources of component signals. Each of the FIFO buffers has a data output terminal for producing component signal data. A packetizer has a data input terminal fo...
04/15/1997
5550589Method of adaptively multiplexing a plurality of video channel data using channel data assignment information obtained from a look-up table
A method of adaptively multiplexing a plurality of video channel data is disclosed. A multiplexed data includes a plurality of frames each of which contains a plurality of sub-frames. The video channel data are adaptively allocated to the sub-frames. A me...
08/27/1996
5550590Bit rate controller for multiplexer of encoded video
In the present invention, by performing a control so that the I-coding modes of the encoders of a plurality of respective channels do not overlap each other, the amount of generated encoded information for the total system can be reduced without reducing ...
08/27/1996
5543842Apparatus and method for providing multiple video data streams from a single source
A method is provided for generating a composite video data stream. A first data stream composed of a sequence of frames of video data each having an x-dimension of a preselected number of pixels and a y-dimension of a preselected number of pixels is recei...
08/06/1996
5526050Methods and apparatus for concurrently acquiring video data from multiple video data sources
The invention provides apparatus and methods for concurrently acquiring video data from multiple video data sources. The invention comprises an asynchronous interface that collects pixel data from multiple video data sources. A packet manager collects the...
06/11/1996
5500676Method of encoding and multiplexing picture signals and apparatus utilizing the same
A picture signal encoding multiplexing method and apparatus in which encoded data of a plurality of picture signals, which are respectively output from a plurality of picture signal encoding processing units, is multiplexed in a channel multiplexing unit....
03/19/1996
5463701System and method for pattern-matching with error control for image and video compression
Disclosed is a system and a method for compressing digitized color video data by generating codes into a pattern of tables for regions in frames of the video data exhibiting certain patterns. An image frame in a video data stream has a plurality of pixels...
10/31/1995
5361096Method and apparatus for multiplex transmission of video signals in a plurality of channels with refresh control utilizing intraframe coding
Time-varying picture signals of a plurality of channels are predictively coded by utilizing the interframe correlation and multiplexed at the transmitting side. The signals are separated for each channel, switched and selected for any channel for decoding...
11/01/1994
5327236Video switcher apparatus for wide screen EDTV signals
A compatible special effect signal can be produced without using an encoder or a special signal processor. Each of EDTV signals is divided into a main screen signal and a compensation screen signal. Compensation screen modification circuits modify the spe...
07/05/1994
5319457Variable length image coding system
A variable length image coding system for multiplexing multi channel parallel data at a specified speed after making variable length coding, and capable of suppressing the variation of amount of code generated upon multiplexing to within a specified range...
06/07/1994
5055915Method and apparatus for the transmission and reception of two conventional television signals using a two-line MAC format
A system is described for transmitting two conventional television signals (for example NTSC style 525 line, 2:1 interlaced signals) over a two line MAC (multiple analog component) signal. Both an encoder and a decoder and a method for use in conjunction ...
10/08/1991
4967272Bandwidth reduction and multiplexing of multiple component TV signals
In a system for transmitting analog video signals, the luminance and chrominance components are each subjected to different bandwidth reduction processes. In addition, the high and low frequency portions of the luminance component are subjected to differe...
10/30/1990
4910585Frequency selective video signal intraframe processor
A widescreen television signal containing center panel information and time compressed side panel information in an overscan region is intraframe processed above a given frequency only with respect to the center panel information. The intraframe processin...
03/20/1990
4646149Alternate field luminance enhancement in a spectrum conserving television system
An improved television bandwidth compression system allows two television programs to simultaneously utilize the bandwidth normally allowed for one television program. The basic bandwidth compression system comprises a transmitter which receives composite...
02/24/1987
4553165Transform processing method for reducing noise in an image
An improved image processing method reduces noise in a sampled image while minimizing unintended distortion of image features. Image signals are generated representative of the light value of elements of the image. These signals are formed into signal arr...
11/12/1985
4533936System for encoding and decoding video signals
A first video signal is provided comprising a plurality of lines of a luminance signal, a first color signal and a second color signal, each of the lines having a duration of a first predetermined time. Each of the nonoverlapping pairs of successive lines...
08/06/1985
4264919Cancelling cross modulation in two color TV signals passed through non-linear path
When two color television signals are transmitted over a common non-linear path, such as a transponder in a communications satellite, the two color subcarriers at slightly different frequencies cross modulate each other and produce disturbances on the scr...
04/28/1981
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