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. 01, 2012
Filed:
Feb. 18, 2009
Kazuhiro Terada, Aichi-ken, JP;
Kenji Haga, Aichi-ken, JP;
Yukitoshi Inui, Aichi-ken, JP;
Akiko Okita, Aichi-ken, JP;
Masaaki Tsuchimori, Owariasahi, JP;
Akari Nakao, Aichi-ken, JP;
Kazuhiro Terada, Aichi-ken, JP;
Kenji Haga, Aichi-ken, JP;
Yukitoshi Inui, Aichi-ken, JP;
Akiko Okita, Aichi-ken, JP;
Masaaki Tsuchimori, Owariasahi, JP;
Akari Nakao, Aichi-ken, JP;
Toyoda Gosei Co., Ltd., Aichi-ken, JP;
Abstract
The present invention provides a light coupler and a manufacturing method thereof. The light coupler of the invention includes a plurality of light input terminals, a plurality of light output terminals, a plurality of half mirrors, and an optical wave guide connecting the plurality of the light input terminals, the plurality of the light output terminals and the plurality of the half mirrors. The optical wave guide has kinked line shape and each of the plurality of half mirrors is placed at a respective corner of the kinked line shape. Especially, the kinked line shape includes a polygon network.