Patents by Inventor Robert N. Longuemare, Jr.

Robert N. Longuemare, Jr. 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).

  • Anti-jam dual channel video cancellation circuit for first target tracking system
    Patent number: 3947848
    Abstract: This invention relates to anti-jam radar circuitry and more particularly to dual channel video cancellation circuit for removing the power advantage of a jamming signal compared to a target echo signal, and to a delay line and clamper circuit to provide cancellation of signal for a duration at least equal to the system pulse width for a period immediately following the trailing edge of a true target echo signal.
    Type: Grant
    Filed: August 7, 1962
    Date of Patent: March 30, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Samuel U. Carnahan, Robert N. Longuemare, Jr.