Patents by Inventor Corbin J. Stewart

Corbin J. Stewart 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).

  • Secure videoconferencing equipment switching system and method
    Patent number: 8432835
    Abstract: Examples of systems described herein include videoconferencing systems having audio/visual components coupled to a codec. The codec may be configured by a control system. Communication networks having different security levels may be alternately coupled to the codec following appropriate configuration by the control system. The control system may also be coupled to the communication networks.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: April 30, 2013
    Assignee: Sandia Corporation
    Inventors: David H. Dirks, Diane Gomes, Corbin J. Stewart, Robert A. Fischer