The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 01, 2006
Filed:
Mar. 22, 2004
Applicants:
James P. Phillips, Lake in the Hills, IL (US);
Eric L. Krenz, Crystal Lake, IL (US);
Paul W. Reich, Glendale Hts., IL (US);
Inventors:
James P. Phillips, Lake in the Hills, IL (US);
Eric L. Krenz, Crystal Lake, IL (US);
Paul W. Reich, Glendale Hts., IL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
An antenna system includes a stacked patch antenna () comprising two or more patch antennas symmetrically aligned around an axis. The stacked patch antenna () comprises a differential feed patch antenna. The two or more patch antennas include a first patch antenna () and a second patch antenna (). At least a portion of the second patch antenna () serves as a ground plane for the first patch antenna ().