Patents by Inventor Michael J. Rush

Michael J. Rush 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).

  • Noise reduction circuit
    Patent number: 4894566
    Abstract: A noise reduction circuit includes a variable band-pass filter and a clipping circuit. An oscillator is used to sweep the band-pass of the variable band-pass filter through a frequency range. The output of the variable band-pass filter is coupled to the input of the clipping circuit.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: January 16, 1990
    Inventor: Michael J. Rush