Patents by Inventor Donald C. Anthony

Donald C. Anthony 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).

  • Patent number: 4755731
    Abstract: There is provided an optical scanning apparatus having an angular positioning means that is generally comprised of a variable capacitor including a rotor disc with a plurality of equally spaced conductors and a stator disc with twice as many equally spaced conductors axially spaced from the rotor disc for capacitive coupling. Excitation of the variable capacitor provides a feedback signal to the controller of the optical scanning apparatus that is proportional to the angular position.
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: July 5, 1988
    Assignee: McDonnell Douglas Corporation
    Inventors: Donald C. Anthony, Donald W. Niemand