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:
Jul. 11, 2006
Filed:
Feb. 05, 2004
Yoshiyuki Yanagisawa, Matsumoto, JP;
Hiroshi Abe, Matsumoto, JP;
Yoshiyuki Yanagisawa, Matsumoto, JP;
Hiroshi Abe, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Heat of optical devices is transferred to a bottom surface portionB of an optical parts housing portionof an optical parts casingA. A ductis formed on the bottom surface portionB. A cooling air passing through a first passageA cools the bottom surface portionB, and then is supplied to a holeR to cool a liquid crystal panelR, etc. The cooling air passing through a second passageB of the ductis introduced into holesB,G to cool the liquid crystal panelsB,G. Accordingly, the optical parts casing projector capable of cooling sufficiently the optical modulator devices and other parts, e.g., the bottom surface portion, etc. of the optical parts casing.