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:
May. 26, 2020
Filed:
Aug. 31, 2018
Seiko Epson Corporation, Tokyo, JP;
Taisuke Yamauchi, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An image projection system includes an image projecting section configured to project an image onto a projection surface, a control section configured to cause the image projecting section to project a pattern image, an imaging section configured to capture the pattern image projected on the projection surface, a detecting section configured to detect a plurality of reference points on the basis of the pattern image captured by the imaging section, and an image-information correcting section configured to correct, on the basis of positions of the reference points detected by the detecting section, the image projected by the projecting section. The pattern image includes a plurality of unit patterns for specifying the reference points. The plurality of unit patterns include unit patterns of seven colors.