Patents by Inventor Harry F. Hartley

Harry F. Hartley 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: 4335469
    Abstract: A trailing wire antenna coupling and control method for providing maximum voltage limited power output from power amplifiers of a high power low frequency RF transmitter system while varying the inductance of the coupling circuit to present a high resistance load having practically zero reactance to the power amplifiers, all during extension and retraction of the antenna toward and from its optimum length, as well as at the optimum length.
    Type: Grant
    Filed: June 18, 1980
    Date of Patent: June 15, 1982
    Assignee: Westinghouse Electric Corp.
    Inventors: Nelson B. Tharp, Harry F. Hartley