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. 08, 2019
Filed:
May. 21, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Hidetoshi Wada, Yokohama, JP;
Masaki Fujioka, Chiba, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A projection apparatus, comprises a projection unit configured to project an image onto a screen including a target image, a switching unit configured to switch to one of a first image for indicating a position deviation between a projection area in which the projection unit projects an image and the target image, and a second image for increasing contrast of the target image, and a control unit configured to control the projection unit so as to project an image in the projection area based on an image to which the switching unit has switched, wherein the first image is an image that has a predetermined relationship with colors of the target image.