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:
Jul. 07, 2020

Filed:

Apr. 17, 2019
Applicant:

Sharp Kabushiki Kaisha, Sakai, Osaka, JP;

Inventors:

Yukihide Hayase, Sakai, JP;

Masanori Morigami, Sakai, JP;

Assignee:

SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); F21V 8/00 (2006.01); G01M 11/00 (2006.01); H05B 47/105 (2020.01);
U.S. Cl.
CPC ...
H05B 47/105 (2020.01); G01M 11/33 (2013.01); G02B 6/0006 (2013.01); G02B 6/0008 (2013.01);
Abstract

In a light projecting apparatus including a laser light source, a light projecting apparatus is divided into a laser-light-source module and a light-projecting optical module. In the laser-light-source module NOR laser beams from a plurality of laser light sources are combined by a beam combiner. The laser-light-source module and the light-projecting optical module are connected to each other by an optical fiber in a cable. A laser beam formed by the beam combiner is transmitted through the optical fiber to the light-projecting optical module, received by a fiber receptacle, and projected. In the laser-light-source module NOR a fiber-breakage countermeasure section that detects breakage of the optical fiber and takes countermeasures against the breakage is disposed.


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