Patents by Inventor Keith A. Harrison

Keith A. Harrison 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).

  • Methods and systems for avoiding transmission-channel disruptions
    Patent number: 7606272
    Abstract: Various embodiments of the present invention are directed to methods and systems for circumventing, and altering transmission-channel users of, transmission-channel disruptions. In one embodiment of the present invention, a source encodes information in a first signal and transmits the first signal in a source channel to a multiplexer. The multiplexer distributes the first signal over N transmission channels. A demultiplexer combines the signals distributed over the N transmission channels into a second signal encoding of the information. The distribution system also includes a detector that receives the second signal output from the demultiplexer, and one or more detectors that receive one or more additional signals output from the demultiplexer. The additional signals are produced by the demultiplexer when a disruption occurs in one or more of the transmission channels and are used to alert transmission-channel users of the disruption.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: October 20, 2009
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Raymond G. Beausoleil, William J. Munro, Timothy P. Spiller, Keith A. Harrison
  • Methods and systems for avoiding transmission-channel disruptions
    Publication number: 20070177634
    Abstract: Various embodiments of the present invention are directed to methods and systems for circumventing, and altering transmission-channel users of, transmission-channel disruptions. In one embodiment of the present invention, a source encodes information in a first signal and transmits the first signal in a source channel to a multiplexer. The multiplexer distributes the first signal over N transmission channels. A demultiplexer combines the signals distributed over the N transmission channels into a second signal encoding of the information. The distribution system also includes a detector that receives the second signal output from the demultiplexer, and one or more detectors that receive one or more additional signals output from the demultiplexer. The additional signals are produced by the demultiplexer when a disruption occurs in one or more of the transmission channels and are used to alert transmission-channel users of the disruption.
    Type: Application
    Filed: January 31, 2006
    Publication date: August 2, 2007
    Inventors: Raymond G. Beausoleil, William J. Munro, Timothy P. Spiller, Keith A. Harrison