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. 18, 2007
Filed:
Dec. 27, 2004
Motoyuki Fujimori, Suwa, JP;
Masami Murata, Shiojiri, JP;
Motoyuki Fujimori, Suwa, JP;
Masami Murata, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An optical device body () includes: three optical modulator holders () respectively holding three liquid crystal panels () and having cooling chambers with cooling fluid sealed therein to respectively cool the three liquid crystal panels () with the cooling fluid in the respective cooling chambers; a plurality of fluid circulators () intercommunicated with the three optical modulator holders () to guide the cooling fluid to the outside of the respective cooling chambers and re-introduce the cooling fluid into the respective cooling chambers; and a flow volume changer () disposed in a flow path of the cooling fluid and capable of changing flow volumes of the cooling fluid flown into the respective optical modulator holders () in accordance with heat values of the three liquid crystal panels ().