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:
Apr. 03, 2018
Filed:
Dec. 19, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Shigekazu Aoki, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G02B 7/00 (2006.01); F21V 29/505 (2015.01); G03B 21/20 (2006.01); F21V 29/74 (2015.01); G03B 33/12 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); F21V 29/505 (2015.01); F21V 29/745 (2015.01); G02B 7/008 (2013.01); G03B 21/2066 (2013.01); G03B 21/208 (2013.01); G03B 21/2073 (2013.01); G03B 33/12 (2013.01);
Abstract
An optical device includes a reflector and a rotation member that dissipates the heat of the reflector. The rotation member includes a base portion placed on the reflector and a plurality of blade portions that project to the side opposite to the base portion. The plurality of blade portions each include an inclined portion that is inclined with respect to the base portion.