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:
Jan. 25, 2011
Filed:
Oct. 12, 2007
Applicant:
Susumu Aruga, Shiojiri, JP;
Inventor:
Susumu Aruga, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projector includes: a light source unit which supplies coherent light; a spatial light modulating unit which modulates the coherent light supplied from the light source unit according to an image signal; a projection optical system which projects light modulated by the spatial light modulating unit; and a light shifting unit disposed on an optical path of the projection optical system to shift light in a direction substantially perpendicular to an optical axis.