Patents by Inventor Jon M. Lindenborg

Jon M. Lindenborg 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).

  • Method and circuit for controlling the output signal of a variable control circuit
    Patent number: 4179666
    Abstract: The output voltage of a variable control circuit, such as a variable gain amplifier, (20, FIG. 1), is controlled by a circuit interconnected in the feedback circuit of the amplifier. The circuit determines whether the output voltage falls within a predetermined range by comparing (201, FIG. 2) the output voltage with a reference voltage. If the output voltage falls within the predetermined range, a capacitor (207) is charged. Interconnected with a control input lead (72) of the variable gain amplifier (20), the charge on the capacitor controls the output voltage produced by the variable gain amplifier.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: December 18, 1979
    Assignee: Western Electric Company, Inc.
    Inventor: Jon M. Lindenborg