Patents by Inventor Harry E. Urban

Harry E. Urban 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: 4347403
    Abstract: This electrical waveform synthesizer uses a digital feedback loop circuit which includes selectable inputs for multiplex or recirculation operation, and a shift register whose shift rate is controlled by an adjustable precision clock so as to accurately adjust the frequency of the output waveform. The adjustable clock features a precision oscillator whose pulse rate is divided by a selectable-logic rate-divider circuit.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: August 31, 1982
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Joseph E. Schwager, Harry E. Urban