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:
Aug. 24, 2021

Filed:

Aug. 27, 2019
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventor:

Norikazu Yamamoto, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 5/04 (2006.01); G02B 27/48 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2033 (2013.01); G02B 5/04 (2013.01); G02B 27/48 (2013.01);
Abstract

A light source device includes: a light source configured to emit laser light; an optical system having an optical axis for guiding the laser light; a first prism which is disposed between the light source and the optical system and includes a first incident surface on which the laser light is incident, and a first exit surface inclined with respect to the first incident surface; a second prism which is disposed between the first prism and the optical system and includes a second incident surface facing the first exit surface at an interval, and a second exit surface inclined with respect to the second incident surface; and a driver configured to rotate the first and second prisms around the optical axis in a state in which the first exit surface and the second incident surface are inclined with respect to the optical axis.


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