Patents by Inventor Robert M. Broton

Robert M. Broton 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).

  • Transmit-receive switching circuit for radio frequency circulators
    Patent number: 4380822
    Abstract: A transmit-receive switching circuit is provided for switching a transmitter and a receiver to common antenna via a common signal path. A circulator is employed in the common signal path. The flow of transmitter RF energy and received RF energy is controlled through the circulator by a selectively actuable impedance element coupled to the circulator.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: April 19, 1983
    Assignee: Motorola, Inc.
    Inventor: Robert M. Broton