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.

Date of Patent:
Mar. 29, 2016

Filed:

Dec. 09, 2013
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Tadashi Kinebuchi, Okaya, JP;

Koichi Miyasaka, Matsumoto, JP;

Hiroaki Shinha, Matsukawa-mura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); H04N 9/31 (2006.01); G03B 3/00 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); G03B 3/00 (2013.01); G03B 21/147 (2013.01); H04N 5/23212 (2013.01); H04N 5/23296 (2013.01); H04N 9/3185 (2013.01); H04N 9/3194 (2013.01); H04N 9/3197 (2013.01);
Abstract

A projector includes a light source, a light modulator having an image formation area to form an image, a projection system that projects the image on a display surface, an enclosure that holds at least the light modulator and the projection system, an inclination detection section that detects the inclination of the enclosure with respect to an axis along the optical axis of the projection system, and an image display control section that forms a reference line on the image formation area, the reference line having a predetermined angle with respect to a horizontal line irrespective of the inclination of the enclosure, and the image display control section changes the inclination of the reference line with respect to the image formation area in accordance with the inclination of the enclosure in such a way that the reference line has the predetermined angle with respect to the horizontal line.


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