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:
Sep. 19, 2017
Filed:
Dec. 13, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takashi Toyooka, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G03B 21/00 (2006.01); G03B 21/20 (2006.01); G03B 33/12 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3155 (2013.01); G03B 21/006 (2013.01); G03B 21/2033 (2013.01); G03B 21/2053 (2013.01); G03B 21/2073 (2013.01); G03B 33/12 (2013.01); H04N 9/3194 (2013.01);
Abstract
A projector includes a light detector that detects light brightness information on the brightness of light emitted from a light source and an adjuster that corrects the light brightness information detected with the light detector and adjusts the output from the light source based on the corrected light brightness information.