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:
Oct. 28, 2014
Filed:
Jul. 01, 2011
Applicant:
Nobuhiro Oka, Yokohama, JP;
Inventor:
Nobuhiro Oka, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); H04N 9/31 (2006.01); H04N 5/232 (2006.01); H04N 21/41 (2011.01);
U.S. Cl.
CPC ...
G03B 21/147 (2013.01); H04N 9/3185 (2013.01); H04N 5/23293 (2013.01); H04N 21/4122 (2013.01);
Abstract
A projection apparatus for projecting an input image onto the projection surface includes a correction unit configured to correct distortion of an image to be displayed on the projection surface, a projection unit configured to project an image corrected by the correction unit, a communication unit configured to communicate with an external imaging apparatus, and a control unit configured to control the correction unit, wherein the control unit transmits distortion information concerning distortion of an image to be displayed on the projection surface to the imaging apparatus via the communication unit.