Patents by Inventor David Perkes

David Perkes 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: 7075564
    Abstract: A video conferencing circuit (12) is configured to receive an input (26) from one of a plurality of video input devices. The video signal is then stored, compressed and transmitted by an interface circuit such as a modem (18). Video signals from a remote location are received from the modem (18), decompressed, stored and then transferred for display on one of a plurality of video output devices.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: July 11, 2006
    Assignee: Sorenson Communications, Inc.
    Inventors: Douglas L. Jewell, Paul D. Israelsen, David Perkes