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:
Sep. 18, 2012
Filed:
Nov. 26, 2008
Applicants:
Ronald H. Johnston, Calgary, CA;
Elise Fear, Calgary, CA;
Inventors:
Ronald H. Johnston, Calgary, CA;
Elise Fear, Calgary, CA;
Assignee:
UTI Limited Partnership, Calgary, Alberta, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
An antenna includes a waveguide having an aperture at a first end and a conducting component at a second end, the conducting component shorting the waveguide and a first set of two orthogonal dipoles, fed in quadrature, the orthogonal dipoles located near the aperture of the waveguide operating close to its dominant mode cut off frequency.