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:
May. 26, 2020
Filed:
Jul. 30, 2018
Lockheed Martin Corporation, Bethesda, MD (US);
Erik Lier, Lakewood, CO (US);
Jason Stewart Wrigley, Broomfield, CO (US);
Arun Kumar Bhattacharyya, Rancho Palos Verdes, CA (US);
Timothy Patrick Wink, Castle Rock, CO (US);
James F. Mulvey, Castle Pines, CO (US);
LOCKHEED MARTIN CORPORATION, Bethesda, MD (US);
Abstract
An antenna array includes multiple array modules. Each array module includes at least on antenna element including a horn antenna coupled to a polarizer, and a two-piece waveguide filter. The two-piece waveguide filter includes a folded-back waveguide coupled to the horn antenna at one end and to a circuit layer at the other end. The horn antenna includes a multi-mode horn antenna. The two-piece waveguide filter includes a first piece and a second piece that are separately molded. A footprint of the two-piece waveguide filter is within a footprint of an aperture of the horn antenna.