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:
Feb. 13, 2024

Filed:

Mar. 13, 2020
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Masashige Suwa, Tokyo, JP;

Ritsuya Oshima, Tokyo, JP;

Muneharu Kuwata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/04 (2006.01); B60Q 1/076 (2006.01); F21S 41/675 (2018.01); G02B 26/10 (2006.01);
U.S. Cl.
CPC ...
F21V 14/04 (2013.01); B60Q 1/076 (2013.01); F21S 41/675 (2018.01); G02B 26/105 (2013.01);
Abstract

A light irradiation device includes a light source, a first reflecting surface, a second reflecting surface and a rotation mechanism that rotates the first reflecting surface around a first central axis passing through a center of the first reflecting surface and rotates the second reflecting surface around a second central axis passing through a center of the second reflecting surface. The first central axis is orthogonal to a first reference surface that is 45 degrees inclined with respect to a first plane that is orthogonal to an optical axis of light incident upon the first reflecting surface, the second central axis is orthogonal to a second reference surface parallel to the first reference surface, and the first reflecting surface is inclined with respect to the first reference surface and the second reflecting surface is inclined with respect to the second reference surface.


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