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:
Jan. 14, 2020
Filed:
Aug. 07, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shota Iguchi, Yokohama, JP;
Hideaki Yui, Machida, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3182 (2013.01); H04N 9/3105 (2013.01); H04N 9/3123 (2013.01); H04N 9/3147 (2013.01); H04N 9/3185 (2013.01);
Abstract
A projection apparatus that projects a projection image includes a first panel, a second panel, a projection optical system that projects light that has passed through the first panel and the second panel, an information acquisition unit that acquires light reduction information of a region which is a part of the projection image and overlaps with an image projected by another projection apparatus, and a panel control unit that controls the first panel based on data of the projection image and controls the second panel based on the light reduction information.