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:
Dec. 05, 2023
Filed:
Nov. 21, 2019
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Ritsuya Oshima, Tokyo, JP;
Masatoshi Nishimura, Tokyo, JP;
Akihiro Yamada, Tokyo, JP;
Muneharu Kuwata, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/06 (2006.01); F21V 5/04 (2006.01); F21V 11/08 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 14/06 (2013.01); F21V 5/04 (2013.01); F21V 11/08 (2013.01); F21Y 2115/10 (2016.08);
Abstract
An illumination device includes a light source unit that emits light, a first optical unit that lets the light enter and changes a divergence angle of the entered light, a second optical unit including an image light formation unit that lets the light with the changed divergence angle enter and emits light including image light having image information, and a drive unit that moves the first optical unit and the second optical unit.