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:
Apr. 12, 2022
Filed:
Nov. 20, 2020
Seiko Epson Corporation, Tokyo, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A projector includes a projection section, a spectral imaging section, and a control section, wherein the control section makes the projection section project an adjusting image corresponding to a color and a gray level of an image to be projected by the projection section while changing the color and the gray level to a first color and a first gray level, the first color and a second gray level, a second color and a third gray level, and the second color and a fourth gray level, sets a measurement condition corresponding to the color to the spectral imaging section, and makes the spectral imaging section take the adjusting images projected by the projection section to obtain spectral imaging data.