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| Patent ID | Title | Date 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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