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:
Dec. 30, 2025
Filed:
Nov. 06, 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:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 5/20 (2006.01); H01P 5/04 (2006.01);
U.S. Cl.
CPC ...
H01P 5/20 (2013.01); H01P 5/04 (2013.01);
Abstract
Provided herein are various enhancements for waveguide structures and magic tee arrangements in radio frequency aperture antenna feed structures. A waveguide structure includes a waveguide cavity coupling colinear ports, a difference port, and a sum port, with the sum port disposed perpendicularly to both the difference port and the colinear ports. The waveguide structure also includes an impendence matching element comprising a triangular body disposed in the waveguide cavity and protruding perpendicularly from a wall of the waveguide cavity between the colinear ports.