Patents by Inventor Richard E. Bryan

Richard E. Bryan 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).

  • Coherent radar using recirculating delay line
    Patent number: 5019826
    Abstract: A portion of a radar transmit pulse is inserted into a recirculating delay line having a one cycle delay equal to the duration of a transmit pulse. A pulse train coupled from the recirculating delay serves as a local oscillator for the radar receiver. The delay medium may be an optical fiber, a coaxial transmission line or a surface acoustic wave (SAW) device.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: May 28, 1991
    Assignee: Hughes Aircraft Company
    Inventors: Michael de La Chapelle, Richard E. Bryan, Clark D. Brenneise