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. 07, 2015
Filed:
Jul. 12, 2013
Seiko Epson Corporation, Tokyo, JP;
Yoichi Shishido, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projection system includes a projector body including a projection lens that projects image light, a color wheel located in a position downstream of the projection lens, a lens moving section that moves the projection lens from an initial position in at least one of an X direction and a Y direction, a movement amount detection unit that detects the amount of movement of the projection lens and the position to which the projection lens has been moved, an adjustment section that changes the position and the attitude of the color wheel, and an adjustment controller that controls the adjustment section in accordance with a detection result from the movement amount detection unit to adjust at least one of the position and the attitude of the color wheel.