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:
Apr. 10, 2018

Filed:

Dec. 21, 2016
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Tomoya Mizutani, Azumino, JP;

Takaaki Ozawa, Shiojiri, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/20 (2006.01); H04N 9/31 (2006.01); H05B 41/292 (2006.01); G03B 21/00 (2006.01); G03B 33/12 (2006.01); H05B 41/288 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/2026 (2013.01); G03B 21/2046 (2013.01); G03B 21/2053 (2013.01); H05B 41/2885 (2013.01); H05B 41/292 (2013.01); G03B 21/006 (2013.01); G03B 21/2066 (2013.01); G03B 33/12 (2013.01); H04N 9/3155 (2013.01); H05B 41/2887 (2013.01); Y02B 20/202 (2013.01);
Abstract

A projector which configured to project a horizontally long image and a vertically long image, includes a cooling unit configured to cool a discharge lamp according to an installation attitude of the projector, a detection unit configured to detect the installation attitude, and a controller configured to control a discharge lamp driving unit and the cooling unit, in which the installation attitude includes a first attitude for projecting the horizontally long image and a second attitude for projecting the vertically long image, and in which the controller is configured to put out the discharge lamp in a case where the installation attitude detected by the detection unit is a third attitude which is different from both of the first attitude and the second attitude.


Find Patent Forward Citations

Loading…