Patents by Inventor William D. Berneking

William D. Berneking 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).

  • Dual frequency microstrip patch antenna with capacitively coupled feed pins
    Patent number: 5003318
    Abstract: A dual frequency stacked microstrip patch antenna is comprised of a pair of circular radiating patches separated by a layer of dielectric, the two upper patches being further separated by another layer of dielectric from a pair of separated ground planes. A modal shorting pin extends between the patches and ground planes, and the patches are fed through a pair of feed pins by a backward wave feed network. A pair of modified shape feed through holes in the lower patch through which the feed pins pass result in an extended bandwidth.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: March 26, 1991
    Assignee: McDonnell Douglas Corporation
    Inventors: William D. Berneking, Edward A. Hall
  • Dual frequency microstrip patch antenna with improved feed and increased bandwidth
    Patent number: 4827271
    Abstract: A dual frequency stacked microstrip patch antenna is comprised of a pair of circular radiating patches separated by a layer of dielectric, the two upper patches being further separated by another layer of dielectric from a pair of separated ground planes. A modal shorting pin extends between the patches and ground planes, and the patches are fed through a pair of feed pins by a backward wave feed network. A pair of pear-shaped holes in the lower patch through which the feed pins pass balance the impedance between the patches and result in an extended bandwidth.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: May 2, 1989
    Assignee: McDonnell Douglas Corporation
    Inventors: William D. Berneking, Edward A. Hall