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:
Jul. 24, 2018
Filed:
Sep. 16, 2014
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); G02B 13/16 (2006.01); G02B 26/02 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3155 (2013.01); H04N 9/3194 (2013.01); H04N 9/3197 (2013.01); G02B 13/16 (2013.01); G02B 26/02 (2013.01);
Abstract
Display an image by adjusting upper limit of brightness of the image projection light. Here, determine the target value, according to analysis result of the image data, for the detected brightness of the image projection light, and adjust the upper limit of brightness of the image projection light to cause the detected brightness to approach the target value.