Patents by Inventor J. Edwin Mitchell

J. Edwin Mitchell 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).

  • Temperature regulated feedforward amplifier
    Patent number: 4617522
    Abstract: A temperature regulated feed forward amplifier for use in broad bandwidth cable communications applications, includes an IC amplifier, a fixed voltage power supply for the IC amplifier, temperature sensing circuitry for detecting temperature variations from a preselected reference temperature and regulating the voltage from the fixed voltage power supply to maintain the gain and resultant phase of the amplifier relatively uniform over the bandwidth and over a range of temperatures.
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: October 14, 1986
    Assignee: General Instrument Corporation
    Inventors: Victor F. Tarbutton, J. Edwin Mitchell, Robert M. Blumenkranz