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.

Date of Patent:
Oct. 30, 2018

Filed:

May. 17, 2017
Applicants:

National Institute of Advanced Industrial Science and Technology, Tokyo, JP;

Yamashita Denso Corporation, Hachioji-shi, Tokyo, JP;

Inventors:

Sanekazu Igari, Tsukuba, JP;

Nobuhiko Kubo, Hachioji, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 8/00 (2006.01); F21V 14/00 (2018.01); H05B 33/08 (2006.01); H05B 41/40 (2006.01);
U.S. Cl.
CPC ...
F21V 14/003 (2013.01); F21V 14/006 (2013.01); H05B 33/0845 (2013.01); H05B 33/0857 (2013.01); H05B 41/40 (2013.01);
Abstract

A light irradiation apparatus includes a plurality of light sources, a plurality of light transmission paths capable of selectively transmitting lights from the plurality of light sources, respectively, and an optical fiber path provided with a plurality of light incidence ends receiving respective lights from the plurality of light transmission paths, and a single light exit end. The optical fiber path has a plurality of optical fiber bundles. Incidence ends of the plurality of optical fiber bundles configures the plurality of light incidence ends, and exit ends of the plurality of optical fiber bundles configure the single light exit end by combining themselves. A lot of optical fibers constitute the plurality of optical fiber bundles. The optical fibers of the plurality of optical fiber bundles are dispersedly arranged with each other in uniform at the single light exit end.


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