Patents by Inventor Harvey M. Endler

Harvey M. Endler 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).

  • MIC Dual mode ring resonator filter
    Patent number: 4488131
    Abstract: An electromagnetic filter assembly comprises a transmission line electromagnetically coupled to a dual mode resonator having a means for differentially tuning the two modes. The filter may be incorporated in a microwave integrated circuit, and the tuning means may be a movable dielectric slab asymmetrically disposed on the resonator.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: December 11, 1984
    Assignee: Hughes Aircraft Company
    Inventors: Edward L. Griffin, Harvey M. Endler, Frederick A. Young
  • Q Enhanced resonator
    Patent number: 4262269
    Abstract: An active microwave filter for use in both bandpass and notch filter applications is herein described, the filter incorporating a distributed resonator to which is coupled an amplifier which provides a positive feedback and cancels the net dissipation in the resonator.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: April 14, 1981
    Assignee: Hughes Aircraft Company
    Inventors: Edward L. Griffin, Frederick A. Young, Harvey M. Endler