Patents by Inventor Alan D. Woodson

Alan D. Woodson 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).

  • Background rejection circuit
    Patent number: 6580064
    Abstract: A background rejection circuit uses the harmonic content of an angularly narrow target to produce a signal. The signal is used to modulate an externally derived audio signal to produce a target indication signal free of background noise.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: June 17, 2003
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Markam F. Stenger, Alan D. Woodson
  • Centralized bus arbitration circuit
    Patent number: 5202966
    Abstract: The centralized bus arbitration circuit 20 shown here allows processor 12-18 access to a bus 10 for a period of time determined by either the processor 12-18 or the circuit 20, as appropriate. Indefinite access and immediate return of control to the bus arbitration circuit 20 are also provided for.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: April 13, 1993
    Assignee: Rockwell International Corporation
    Inventor: Alan D. Woodson