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. 14, 2014
Filed:
Jul. 22, 2011
Masahide Tsuda, Shiojiri, JP;
Osamu Saito, Matsumoto, JP;
Kenichi Shioiri, Matsumoto, JP;
Shigehiro Yanase, Matsumoto, JP;
Masahide Tsuda, Shiojiri, JP;
Osamu Saito, Matsumoto, JP;
Kenichi Shioiri, Matsumoto, JP;
Shigehiro Yanase, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes a light source that emits excitation light, a fluorescent body that converts the excitation light into fluorescence, a liquid crystal optical modulation device that modulates light output from the fluorescent body, an optical sensor that detects at least one of the excitation light passing through the fluorescent body and the fluorescence converted by the fluorescent body, and a control device that controls at least one of the light source and the liquid crystal optical modulation device based on a detection result of the optical sensor.