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. 16, 2008
Filed:
Mar. 21, 2006
Motohisa Haga, Kanagawa, JP;
Kei Yamaoka, Kanagawa, JP;
Kazuya Terasaki, Gifu, JP;
Yukio Ito, Aichi, JP;
Takuji Ohkubo, Chiba, JP;
Hiroshi Hasegawa, Tokyo, JP;
Katsuhiro Yamashita, Tokyo, JP;
Masataka Oonishi, Tokyo, JP;
Dai Yoneya, Tokyo, JP;
Satoru Miwa, Aichi, JP;
Shigeyasu Nakagawa, Aichi, JP;
Motohisa Haga, Kanagawa, JP;
Kei Yamaoka, Kanagawa, JP;
Kazuya Terasaki, Gifu, JP;
Yukio Ito, Aichi, JP;
Takuji Ohkubo, Chiba, JP;
Hiroshi Hasegawa, Tokyo, JP;
Katsuhiro Yamashita, Tokyo, JP;
Masataka Oonishi, Tokyo, JP;
Dai Yoneya, Tokyo, JP;
Satoru Miwa, Aichi, JP;
Shigeyasu Nakagawa, Aichi, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed herein is a lamp cooling device for cooling a lamp including a light emission source for emitting light, a front transparent plate, a reflector for reflecting light emitted by the light emission source toward the front transparent plate, the light emission source being disposed in an intralamp space surrounded by the front transparent plate and the reflector, said lamp cooling device including: a duct having joint ports defined in respective opposite ends thereof and communicating with said intralamp space, said duct having a continuously extending portion between said opposite ends which is disposed in a space outside of said intralamp space, for circulating a gas through said duct and said intralamp space in isolated relation to the space outside of said intralamp space.