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:
Sep. 17, 2013
Filed:
May. 03, 2011
Masato Kadotani, Matsumoto, JP;
Kiyotaka Nakano, Azumino, JP;
Masato Kadotani, Matsumoto, JP;
Kiyotaka Nakano, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes: a reflection type light modulation device which modulates received light according to image information and reflects the modulated light; a reflection type polarization plate which separates both of light supplied to the reflection type light modulation device and light modulated by the reflection type light modulation device into respective polarized lights; and a temperature measuring member which measures the temperature of the reflection type light modulation device, wherein the temperature measuring member is disposed in the rear side of the reflection type light modulation device.