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:
Apr. 27, 2021
Filed:
Aug. 30, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Kei Yokokawa, Tokyo, JP;
Jun Goto, Tokyo, JP;
Kazunari Kihira, Tokyo, JP;
Tomohiro Takahashi, Tokyo, JP;
Masataka Otsuka, Tokyo, JP;
Narihiro Nakamoto, Tokyo, JP;
Toru Fukasawa, Tokyo, JP;
Takuro Sasaki, Tokyo, JP;
Tomohiro Mizuno, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
An array antenna device, including: a waveguide () having a plurality of radiation units () arranged on one tube wall thereof, in which the waveguide () has a plurality of grooves () arranged on an inner side of a tube wall facing the tube wall, movable short-circuit surfaces () each electrically short-circuited to an inner wall of one of the grooves (), and movable short-circuit surface controlling mechanisms () for changing positions of the movable short-circuit surfaces ().