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. 15, 2014
Filed:
May. 28, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kazutoshi Okada, Beppu, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projector includes a projection light source, a light-off detector that detects that the projection light source is shut off, and a relighting controller that carries out a relighting process for relighting the projection light source based on the detection performed by the light-off detector as a trigger.