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.

Date of Patent:
Nov. 21, 2006

Filed:

Jan. 11, 2005
Applicants:

Daniel T. Mcgrath, McKinney, TX (US);

Timothy H. Shively, Allen, TX (US);

Inventors:

Daniel T. Mcgrath, McKinney, TX (US);

Timothy H. Shively, Allen, TX (US);

Assignee:

Raytheon Company, Waltham, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); H01Q 21/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment of the invention, an array antenna includes a substrate body, a first antenna element, and a second antenna element. The first antenna element is coupled to the substrate body and is operable to transmit or receive a first signal. The second antenna element is coupled to the substrate body and is operable to transmit or receive a second signal. The first antenna element is of a different type than the second antenna element. The direction of polarization of the first signal is different than the direction of polarization of the second signal.


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