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Your search returned 136 patents.
( 348/467 in Current US Classification )
1 2
Patent IDTitleDate Filed
5905537 Method and device for transmitting and receiving teletext data September 24, 1996
5883675 Closed captioning processing architecture for providing text data during multiple fields of a video frame July 9, 1996
5872784 High speed single chip digital video network apparatus March 28, 1995
5856975 High speed single chip digital video network apparatus December 8, 1994
5835493 MPEG transport stream remultiplexer January 2, 1996
5831679 Network for retrieval and video transmission of information October 28, 1996
5818935 Internet enhanced video system March 10, 1997
5812760 Programmable byte wise MPEG systems layer parser June 25, 1996
5790198 Television schedule information transmission and utilization system and process May 4, 1994
5784277 Real-time audio packet layer encoder February 15, 1996
5771239 Method and apparatus for modifying a transport packet stream to provide concatenated synchronization bytes at interleaver output November 17, 1995
5754940 Interactive subscription television terminal June 27, 1994
5745184 Closed caption system for use with compressed digital video transmission February 7, 1996
5739860 Method of and apparatus for decoding moving picture and outputting decoded moving picture in normal or frame-skipped reproducing operation mode November 17, 1995
5737025 Co-channel transmission of program signals and ancillary signals February 28, 1995
5731841 High performance data tuner for video systems May 25, 1994
5719634 Methods of and apparatus for encoding and decoding digital data for representation in a video frame April 19, 1995
5708960 Subscription newspaper dispatching system February 16, 1995
5703877 Acquisition and error recovery of audio data carried in a packetized data stream November 22, 1995
5699124 Bandwidth efficient communication of user data in digital television data stream June 28, 1995
5691776 Method of transmitting teltext pages including an index table with a code for selecting particular and common extension pages to enhance basic pages June 4, 1996
5689509 Apparatus and method for packetizing and segmenting MPEG packets November 8, 1996
5684542 Video subtitle processing system December 20, 1994
5675355 Automated coherent clock synthesis for matrix display June 18, 1996
5666168 System for transmitting facsimile data in the upper vestigial chrominance sideband of a video signal April 8, 1994
5659368 Auxiliary video information system including extended data services September 15, 1994
5652749 Apparatus and method for segmentation and time synchronization of the transmission of a multiple program multimedia data stream July 25, 1996
5652626 Image processing apparatus using pattern generating circuits to process a color image September 2, 1994
5650823 Half pel motion estimation method for B pictures March 27, 1995
5648813 Graphical-interactive-screen display apparatus and peripheral units October 20, 1994
5644362 Television receiver including a teletext decoder for selectively choosing a particular teletext broadcast June 26, 1996
5608732 Television distribution system having virtual memory downloading September 1, 1993
5585857 Method of transmitting teletext page codes for hexadecimal pages December 12, 1994
5570134 Multilingual display device and method thereof June 6, 1995
5565927 Method of transmitting teletext pages with format-related codes December 12, 1994
5561670 Method and apparatus for operating a multicast system on an unreliable network May 13, 1994
5559559 Transmitting a secondary signal with dynamic injection level control June 14, 1993
5557334 Apparatus for tracking the flow of video signals by incorporating patterns of machine readable signals which will appear at predetermined locations of a television picture February 14, 1995
5552833 Transmission system and receiver using teletext information for programming video recorder April 7, 1992
5548338 Compression of an electronic programming guide June 7, 1995
5544315 Network multimedia interface May 10, 1993
5535209 Method and apparatus for transporting timed program data using single transport schedule April 10, 1995
5534937 Minimum-delay jitter smoothing device and method for packet video communications April 14, 1994
5533021 Apparatus and method for segmentation and time synchronization of the transmission of multimedia data February 3, 1995
5526427 Universal broadcast code and multi-level encoded signal monitoring system December 8, 1994
5526054 Apparatus for header generation March 27, 1995
5524001 Dynamic cable signal assembly February 7, 1994
5519780 System and method for providing compressed digital teletext services and teletext support services December 3, 1993
5519443 Method and apparatus for providing dual language captioning of a television program March 14, 1994
5508736 Video signal processing apparatus for producing a composite signal for simultaneous display of data and video information June 15, 1995
5493339 System and method for transmitting a plurality of digital services including compressed imaging services and associated ancillary data services December 3, 1993
5459522 Method for acquisition and display of an on-screen program guide June 10, 1994
5450134 Video facility management system for encoding and decoding video signals to facilitate identification of the video signals January 12, 1993
5440345 High efficient encoding/decoding system July 16, 1993
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