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:
Nov. 08, 2016
Filed:
Jan. 27, 2014
Mitsubishi Electric Corporation, Tokyo, JP;
Takashi Maruyama, Tokyo, JP;
Toru Takahashi, Tokyo, JP;
Akimichi Hirota, Tokyo, JP;
Tetsu Owada, Tokyo, JP;
Tomohiro Takahashi, Tokyo, JP;
Tomohiro Mizuno, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An antenna device includes: a cavity partcomposed of a metal conductor having an opening closed in a bottom; a first excitation circuitsuperposed and disposed on the upper surface of the cavity part, and including inside thereof a first power feeding probeand a first transmission linethat feeds electric power to the first power feeding probe, and radiating a radio wave of a first polarized wave; and a second cavity partand a third cavity partsuperposed and disposed on the upper surface of the first excitation circuit, and composed of a metal conductor having open holes, and further includes, above the first excitation circuit, a matching elementcomposed of a conductor.