Patents by Inventor Ronald J. Brandau

Ronald J. Brandau 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: 5945951
    Abstract: A dual polarized antenna on a printed circuit board, the antenna comprises a plurality of orthogonally placed microstrip lines; a plurality of parasitic coupling strips; a feed network, the feed network being connected to the plurality of orthogonally displaced microstrip lines, at least some of the microstrip lines having selected ones of the plurality of parasitic coupling strips placed over at least a portion of the microstrip lines, the microstrip lines receiving electromagnetic signals; a bay, the bay covered by a thin layer of conductive material; and a radiating patch, the radiating patch displaced adjacent the bay by a plurality of standoffs, the electromagnetic signals coupling through the bay and exciting the radiating patch, the radiating patch producing first electromagnetic fields, the first electromagnetic fields exciting currents in the parasitic coupling strip, the currents creating second electromagnetic fields, the second electromagnetic fields canceling with the first electromagnetic fields
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: August 31, 1999
    Assignee: Andrew Corporation
    Inventors: Thomas D. Monte, Ronald J. Brandau