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:
Feb. 03, 2015
Filed:
Nov. 30, 2010
Applicant:
Shoji Ichimasa, Utsunomiya, JP;
Inventor:
Shoji Ichimasa, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01); G09G 3/36 (2006.01); G09G 3/00 (2006.01); H04N 7/01 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3611 (2013.01); G09G 3/001 (2013.01); H04N 7/0132 (2013.01); H04N 9/3147 (2013.01); H04N 9/3197 (2013.01); G09G 3/3614 (2013.01); G09G 2300/023 (2013.01); G09G 2320/0247 (2013.01); G09G 2340/0435 (2013.01);
Abstract
When images are projected in a superposing manner on a screen by a plurality of projectors, a controller of a projector obtains drive timing information of liquid crystal panels of the plurality of projectors and controls a drive timing of a drive unit on the basis of the obtained drive timing information so as to reduce a flicker of a display image.