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:
Jul. 09, 2013
Filed:
Mar. 09, 2009
Applicants:
Shigeo Udagawa, Tokyo, JP;
Mitsuru Kirita, Tokyo, JP;
Makoto Koukuwano, Kanagawa, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01P 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coupling slotprovided in a wide wall shared by a first rectangular waveguideand a second rectangular waveguidearranged by stacking is formed by directing a longitudinal direction of the coupling slotto a tube axial direction, and a matching conductorprojecting to a waveguide near the coupling slotis provided on one sidewall of the second rectangular waveguide. A process of providing the matching conductoris easy, a structure that can be manufactured at low cost is obtained, and a power distribution ratio can be set at an arbitrary ratio.