Patents by Inventor Don M. Jacob

Don M. Jacob 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).

  • Automatic signal tracking circuit
    Patent number: 3986187
    Abstract: 1. In an automatic target tracking radar system for tracking selected target signals in the presence of interfering signals, a range tracking circuit for automatically tracking selected received video signals, and means for modifying the video signals applied to said range tracking circuit, said means being selectively operable for placing an inverted replica of each received video signal either before or after each of said received signals, said inverted replica effecting the cancellation in said means of any non-inverted signals occurring in time coincidence therewith.
    Type: Grant
    Filed: January 30, 1956
    Date of Patent: October 12, 1976
    Assignee: Hughes Aircraft Company
    Inventor: Don M. Jacob