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:
Jun. 30, 2026
Filed:
Nov. 30, 2023
Applicant:
Lockheed Martin Corporation, Bethesda, MD (US);
Inventor:
Jason Stewart Wrigley, Littleton, CO (US);
Assignee:
LOCKHEED MARTIN CORPORATION, Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/213 (2006.01); H01P 1/165 (2006.01); H01P 1/17 (2006.01); H01P 5/20 (2006.01); H01P 11/00 (2006.01);
U.S. Cl.
CPC ...
H01P 1/2131 (2013.01); H01P 1/165 (2013.01); H01P 1/17 (2013.01); H01P 5/20 (2013.01); H01P 11/002 (2013.01);
Abstract
Provided herein are various enhancements for radio frequency feed structures for waveguide-fed antenna systems. A waveguide structure includes an outer waveguide cavity comprising radial ports and an outer aperture, and disposed coaxially about a piston polarizer element housing an inner waveguide cavity. The piston polarizer element comprises longitudinal ridges. The inner waveguide cavity comprises an axial port and an inner aperture disposed coaxially with the outer aperture.