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. 14, 2017
Filed:
Jul. 23, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Nobuhiro Oka, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); H04N 3/23 (2006.01); H04N 9/31 (2006.01); G03B 21/00 (2006.01); H04N 5/74 (2006.01); G06T 5/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/147 (2013.01); G03B 21/00 (2013.01); G03B 21/14 (2013.01); H04N 3/23 (2013.01); H04N 5/7416 (2013.01); H04N 9/317 (2013.01); H04N 9/3185 (2013.01); G06T 5/006 (2013.01);
Abstract
An image projection apparatus comprises a projection unit configured to project an image onto a projection plane, a correction unit configured to correct a range of the image projected by the projection unit, a deformation unit configured to deform the projected range of the image according to a designated correction point, and a control unit configured to optically change the projected range of the image projected by the projection unit according to a designation of an outside of a predetermined range as the correction point.