Patents by Inventor Robert H. Plath

Robert H. Plath 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).

  • Precision amplitude control system for a high Q torsion pendulum
    Patent number: 4038588
    Abstract: An amplitude control apparatus utilizing an oscillator with an amplitude regulation loop to provide positive feedback to the oscillator and thereby providing zero amplitude error.
    Type: Grant
    Filed: February 3, 1976
    Date of Patent: July 26, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Martin G. Woolfson, Robert H. Plath