Patents by Inventor Bernard Feigenbaum

Bernard Feigenbaum 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).

  • Log - periodic HF antenna system
    Patent number: 4739336
    Abstract: A plurality of dual feed half square wave antenna element (each of U-shaped onfiguration) are arranged in a log-periodic structure. The antenna elements are feed at the current loops; i.e., at the corners of the U-shaped antenna elements. A dual inphase feed produces vertical polarization signals of low angle radiation, and a dual antiphase feed produces horizontal polarization signals of high angle radiation.
    Type: Grant
    Filed: August 28, 1986
    Date of Patent: April 19, 1988
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Donn V. Campbell, Palemon W. Dubowicz, Bernard Feigenbaum, Kenneth Loffer