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:
May. 01, 2018
Filed:
Dec. 29, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); H04N 9/31 (2006.01); H04N 7/18 (2006.01); H04N 5/232 (2006.01); G02B 7/14 (2006.01); G02B 13/16 (2006.01); G02B 15/14 (2006.01); H04N 5/247 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3194 (2013.01); G02B 7/14 (2013.01); G02B 13/16 (2013.01); G02B 15/14 (2013.01); H04N 5/23238 (2013.01); H04N 5/247 (2013.01); H04N 7/181 (2013.01); H04N 9/3182 (2013.01); H04N 9/3185 (2013.01); G03B 21/147 (2013.01);
Abstract
A projector includes a projection lens, a first imaging section adapted to take an image of the projection surface, and a second imaging section adapted to take an image of the projection surface with a field angle wider than a field angle of the first imaging section. The first imaging section is disposed at a first distance from an optical axis of the projection lens in a direction perpendicular to the optical axis, and the second imaging section is disposed at a second distance longer than the first distance from the optical axis of the projection lens in the direction perpendicular to the optical axis.