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. 15, 2015
Filed:
Sep. 01, 2010
Applicants:
Osamu Amano, Tokyo, JP;
Makoto Ando, Tokyo, JP;
Inventors:
Osamu Amano, Tokyo, JP;
Makoto Ando, Tokyo, JP;
Assignees:
NEC Space Technologies, Ltd., Tokyo, JP;
TOKYO INSTITUTE OF TECHNOLOGY, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 13/10 (2006.01); H01Q 21/06 (2006.01); H01Q 21/00 (2006.01); H01Q 21/20 (2006.01); H01Q 21/22 (2006.01); H01Q 21/26 (2006.01);
U.S. Cl.
CPC ...
H01Q 21/064 (2013.01); H01Q 21/0012 (2013.01); H01Q 21/20 (2013.01); H01Q 21/22 (2013.01); H01Q 21/26 (2013.01);
Abstract
A radial line slot array antenna has a slotted conductor plate in which a plurality of slots are formed and arranged in a spiral. The plurality of slots are arranged in the slotted conductor plate such that the arrangement distance in a radial direction between the slots varies gradually between a first portion determined based on a first frequency and a second portion determined based on a second frequency that is different from the first frequency.