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:
Jun. 13, 2006
Filed:
Jun. 14, 2005
Hideya Seki, Okaya, JP;
Kaoru Yamaguchi, Shimosuwamachi, JP;
Hideya Seki, Okaya, JP;
Kaoru Yamaguchi, Shimosuwamachi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
To provide a projector or the like, which use a solid-state light-emitting element as light source and which provides a bright, stable, and uniform projection image. The present invention includes: a light sourcefor emitting light; a spatial light modulatorfor modulating the light from the light sourcein accordance with an image signal; and a projector lensfor projecting the light modulated by the spatial light modulator. The spatial light modulatoris a tilt mirror device including a movable mirror element that reflects the light from the light sourcein the direction of the projector lensor in the direction other than that of the projector lens. The invention further includes: a light-intensity measuring sectionprovided in an imaging position of the light sourceor in the vicinity of the imaging position for measuring the light intensity of the light reflected in the direction other than that of the projector lens; and a light-source controllerfor controlling the light sourcein accordance with the signal from the light-intensity measuring section