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:
Aug. 21, 2007
Filed:
Nov. 29, 2004
Kenichi Morinaga, Osaka, JP;
Kenichi Morinaga, Osaka, JP;
Funai Electric Co., Ltd., Osaka, JP;
Abstract
A projector including a light source lamp including a light source, a reflector, and a flange portion, a lamp case, and a cooling fan includes a heat radiating member for cooling the light source lamp, the heat radiating member includes a flange attaching portion, a fixing portion and a heat radiating fin portion, the heat radiating fin portion is formed by a shape memory alloy brought into close contact with an outer peripheral face of the light source lamp when temperature at a vicinity of the outer peripheral face becomes higher than predetermined temperature and separated from the outer peripheral face when the temperature at the vicinity of the outer peripheral face becomes lower than the predetermined temperature, and the heat radiating fin portion includes a fin portion and an opening portion.