Patents by Inventor Peter R. Jennings

Peter R. Jennings 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).

  • Automatically tuned notch filter for providing bandpass and band reject signals
    Patent number: 5438304
    Abstract: An automatically tuned filter apparatus having as input a signal of constant or slowly varying but unknown frequency superimposed on a second signal of rapidly varying frequency with a first output attenuating the first signal by implementation of a narrow band rejection filter and the second output rejecting all but the first signal by implementation of a narrow band pass filter in which the characteristics of both filters are controlled by the relative amplitudes and phase differences of the two outputs.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: August 1, 1995
    Inventor: Peter R. Jennings