Patents by Inventor William F. Frost

William F. Frost 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).

  • Multilevel sidelobe canceller
    Patent number: 4097866
    Abstract: A multilevel sidelobe canceller utilizes power level sensitive processing of the auxiliary array outputs to adaptively spatially filter multiple jamming signals with an additional level of adaptive loops prior to conventional sidelobe cancellation.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: June 27, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: William F. Frost, Raymond J. Masak, Herbert F. Baurle, Anthony F. Kowalski
  • Interference rejecting logarithmic receiver
    Patent number: 3996520
    Abstract: 1. A pulsed signal receiver comprisingA pair of antennas having non-identical radiation characteristics for receiving desired pulsed signals and interfering signals of higher duty cycle than said desired signals,A pair of logarithmic receiver channels respectively coupled to said antennas,Means coupled to said channels for differentially combining the outputs thereof,And a fast time constant circuit coupled to the output of said differentially combining means, said circuit being adapted to transmit said desired signals and to reject all other signals having a duty cycle higher than that of said desired signals.
    Type: Grant
    Filed: March 30, 1962
    Date of Patent: December 7, 1976
    Assignee: Sperry Rand Corporation
    Inventors: William F. Frost, Philip Kassel, Charles M. Clothier, deceased