Patents by Inventor Charles R. Otey

Charles R. Otey 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 communications system
    Patent number: 4171513
    Abstract: A privacy communication system is herein disclosed comprising apparatus for digitizing information to be transmitted, apparatus for logically adding a selected pseudo-random digital code to the digitized information, apparatus for removing the pseudo-random code upon reception and apparatus for synchronizing the transmitted and received pseudo-random codes.
    Type: Grant
    Filed: July 22, 1969
    Date of Patent: October 16, 1979
    Assignee: Sanders Associates, Inc.
    Inventors: Charles R. Otey, Burton C. Winkler, Jr.