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:
Mar. 29, 2016
Filed:
Oct. 15, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takahiro Miyata, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); F21V 29/02 (2006.01); F21V 29/00 (2015.01); F21V 29/60 (2015.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); F21V 29/02 (2013.01); F21V 29/20 (2013.01); F21V 29/60 (2015.01); H04N 9/3144 (2013.01); H04N 9/3155 (2013.01);
Abstract
A projector includes an optical part including a light source section that outputs light, a light modulator that modulates the light outputted from the light source section based on an image signal, a projection optical section that projects the modulated light from the light modulator, a first fan that cools the optical part, and a fan controller that controls the first fan, and the fan controller operates the first fan intermittently when the light source section outputs light of luminance lower than luminance corresponding to normal image display.