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. 22, 2021
Filed:
Dec. 27, 2019
Applicant:
Japan Aerospace Exploration Agency, Tokyo, JP;
Inventor:
Toshihiro Sezai, Tokyo, JP;
Assignee:
JAPAN AEROSPACE EXPLORATION AGENCY, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 15/16 (2006.01); H01Q 19/13 (2006.01); H01Q 15/14 (2006.01);
U.S. Cl.
CPC ...
H01Q 15/16 (2013.01); H01Q 15/142 (2013.01); H01Q 19/13 (2013.01);
Abstract
Provided is an antenna including: a primary radiator configured to radiate radio waves; and a parabolic reflector configured to reflect the radio waves radiated by the primary radiator and has an aperture diameter reduced to be equal to or smaller than an aperture diameter with which no null points are generated in an antenna pattern in a semi-sphere where the radio waves are reflected and radiated.