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:
Jan. 11, 2005
Filed:
May. 15, 2002
Jun Arai, Matsumoto, JP;
Toshio Matsumiya, Matsumoto, JP;
Mutsuya Furuhata, Hata-machi, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A panel cooling system A has a pair of Sirocco fansA,B arranged at both sides of the radial direction of a projection lensa suction duct portionA and an exhaust duct portionB. The suction duct portionA communicates a suction port of the undersurface of an armored casewith a suction side of each of the Sirocco fanA,B, and the exhaust duct portionB communicates an exhaust side of each of the Sirocco fansA,B and color lights R, G, B of an optical part. Thereby, a cooling air is blown to the vicinity of each light incident position of the color lights R, G, B of the optical part for approximately the same air quantity, so that the cooling of the optical part is performed