Patents by Inventor Lyle M. Hill

Lyle M. Hill 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).

  • Patent number: 4486867
    Abstract: A solid state transmit/receive switching circuit is provided by a system which, in accordance with the invention, comprises a solid state relay which, when energized, causes an optically controlled resistor connected to an input terminal of a preamplifier of the receiver to change its resistance and hence the sensitivity of the preamplifier according to the transmitter transmission state.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: December 4, 1984
    Assignee: Raytheon Company
    Inventor: Lyle M. Hill