Patents by Inventor David M. Franklin

David M. Franklin 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).

  • Patent number: 6141597
    Abstract: A method and apparatus for distributing audio signals from one of a plurality of audio sources to an output connect compressed audio signals from each one of the plurality of audio sources to an audio processor. Uncompressed audio signals are derived from the compressed audio signals. The compressed audio signal from one of the plurality of audio sources is selectively coupled to the output based upon the uncompressed audio signals. In a preferred embodiment, the compressed audio signal from one of the plurality of audio sources is coupled to the output selectively in accordance with speech information detected in the uncompressed audio signals from the plurality of audio sources.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: October 31, 2000
    Assignee: PictureTel Corporation
    Inventors: Stephen C. Botzko, David M. Franklin
  • Patent number: 5983192
    Abstract: A method and apparatus for distributing audio signals from one of a plurality of audio sources to an output connect compressed audio signals from each one of the plurality of audio sources to an audio processor. Uncompressed audio signals are derived from the compressed audio signals. The compressed audio signal from one of the plurality of audio sources is selectively coupled to the output based upon the uncompressed audio signals. In a preferred embodiment, the compressed audio signal from one of the plurality of audio sources is coupled to the output selectively in accordance with speech information detected in the uncompressed audio signals from the plurality of audio sources.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: November 9, 1999
    Assignee: PictureTel Corporation
    Inventors: Stephen C. Botzko, David M. Franklin