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. 31, 2024
Filed:
Oct. 31, 2022
Agency for Defense Development, Daejeon, KR;
Byung Chul Park, Daejeon, KR;
Seung Ho Kim, Daejeon, KR;
Kun Sup Kwon, Daejeon, KR;
Jong Wan Heo, Daejeon, KR;
Sung Jae Lee, Daejeon, KR;
Ki Min Hwang, Daejeon, KR;
AGENCY FOR DEFENSE DEVELOPMENT, Daejeon, KR;
Abstract
An antenna apparatus includes: a parabolic reflector; a dielectric support pedestal; a sub-reflector connected to an upper part of the dielectric support pedestal; and a waveguide connected to a lower part of the dielectric support pedestal, wherein the parabolic reflector has a curved surface in which a ratio of a focal length to a diameter is greater than a preset value, and at least one corrugation configured to suppress a cross polarization is formed in a region of the dielectric support pedestal.