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:
Mar. 28, 2006
Filed:
Mar. 14, 2003
Naofumi Yoneda, Tokyo, JP;
Moriyasu Miyazaki, Tokyo, JP;
Yoji Aramaki, Tokyo, JP;
Akira Tumura, Tokyo, JP;
Toshiyuki Horie, Tokyo, JP;
Naofumi Yoneda, Tokyo, JP;
Moriyasu Miyazaki, Tokyo, JP;
Yoji Aramaki, Tokyo, JP;
Akira Tumura, Tokyo, JP;
Toshiyuki Horie, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An object of the present invention is to obtain a waveguide type polarizer, which enables miniaturization thereof, shortening of an axis, and broad band promotion, and which has high performance. In order to attain the object, the waveguide type polarizer includes: a first rectangular main waveguide; first to fourth rectangular branching waveguidestobranching perpendicularly to the first rectangular main waveguide; a short-circuit plateconnected to one terminal of the first rectangular main waveguide; a metallic blockprovided on the short-circuit plate; a rectangular waveguide stepconnected to the other terminal of the first rectangular main waveguide; and a second rectangular main waveguideconnected to the rectangular waveguide step