Patents by Inventor Clifford B. Hill

Clifford B. Hill 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).

  • Square wave to sine wave converter
    Patent number: 3982189
    Abstract: A square wave to sine wave converter of the type which utilizes an integrr, an amplifier and a sine wave shaper in the signal processing operation has an automatic gain control circuit which responds to signal variations both at the output of the integrator and the output of the amplifier to insure a constant amplitude triangular wave at the input of the sine wave shaper as the frequency of the square wave changes.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: September 21, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William O. Brooks, Clifford B. Hill