Patents by Inventor Leon J. Stranger

Leon J. Stranger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Exploitation of null packets in packetized digital television systems
    Patent number: 7848364
    Abstract: A system and method for adding auxiliary data DA to an output data stream from a statistical multiplexer is disclosed. An auxiliary multiplexer accepts a statistically multiplexed data stream, and substitutes auxiliary data packets for null data packets. The auxiliary multiplexer controls the number of null packets in the statistically multiplexed data stream by controlling the target bandwidth BT of the statistical multiplexer, or by modifying the statistical multiplexer equation to make the auxiliary data stream a participant in the negotiation process of allocating throughput among the data sources.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: December 7, 2010
    Assignee: The DIRECTV Group, Inc.
    Inventors: Leon J. Stranger, Hanno Basse, James A. Michener, Robert H. Plummer, Richard K. Newman
  • Merging of multiple encoded audio-video streams into one program with source clock frequency locked and encoder clock synchronized
    Patent number: 7735111
    Abstract: A system and method for merging of multiple encoded audio and video streams into a single program in the transport stream enables playback of any audio stream with any video stream. This is accomplished by first locking the frequency of audio and video input streams for a plurality of different programs to a source clock, independently encoding each program with its own PCR and PTS into a program stream, multiplexing the program streams into a transport stream, and then synchronizing the PCR and PTS of the program streams to a declared master PCR.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: June 8, 2010
    Assignee: The DIRECTV Group, Inc.
    Inventors: James A. Michener, Leon J. Stranger
  • EXPLOITATION OF NULL PACKETS IN PACKETIZED DIGITAL TELEVISION SYSTEMS
    Publication number: 20080198876
    Abstract: A system and method for adding auxiliary data DA to an output data stream from a statistical multiplexer is disclosed. An auxiliary multiplexer accepts a statistically multiplexed data stream, and substitutes auxiliary data packets for null data packets. The auxiliary multiplexer controls the number of null packets in the statistically multiplexed data stream by controlling the target bandwidth BT of the statistical multiplexer, or by modifying the statistical multiplexer equation to make the auxiliary data stream a participant in the negotiation process of allocating throughput among the data sources.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 21, 2008
    Applicant: The DIRECTV Group, Inc.
    Inventors: Leon J. Stranger, Hanno Basse, James A. Michener, Robert H. Plummer, Richard K. Newman