Patents by Inventor Jean M. Van Noppen

Jean M. Van Noppen 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).

  • Frequency discriminator utilizing surface wave devices
    Patent number: 3936764
    Abstract: A frequency discriminator utilizing a pair of surface wave devices each comprising one transducer on a piezoelectric substrate connected in series with a signal source and a pair of envelope detectors connected in series with the surface wave devices is shown.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: February 3, 1976
    Assignee: GTE Sylvania Incorporated
    Inventors: Martin Fischman, G. Norman Williams, Jean M. Van Noppen