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:
May. 03, 2016
Filed:
Mar. 25, 2014
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Akimichi Hirota, Tokyo, JP;
Tetsu Owada, Tokyo, JP;
Kazuhiro Iyomasa, Tokyo, JP;
Shinsuke Watanabe, Tokyo, JP;
Kazuya Yamamoto, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 5/18 (2006.01); H01P 3/08 (2006.01);
U.S. Cl.
CPC ...
H01P 5/187 (2013.01);
Abstract
Disclosed is a directional coupler including a first hollow portion that is disposed in a first ground conductor and is arranged directly above a first signal conductor and a second signal conductor, and that is constructed of a discontinuous structure that has a function of delaying the phase and that is small with respect to the one-quarter wavelength of an operating frequency.