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. 20, 2013
Filed:
Jun. 11, 2010
Yukihiro Kobayashi, Fujisawa, JP;
Takeshi Katayama, Yokohama, JP;
Hiroyuki Inoue, Fujisawa, JP;
Shigeki Hoshino, Yashio, JP;
Yukihiro Kobayashi, Fujisawa, JP;
Takeshi Katayama, Yokohama, JP;
Hiroyuki Inoue, Fujisawa, JP;
Shigeki Hoshino, Yashio, JP;
Hitachi Consumer Electronics Co., Ltd., Tokyo, JP;
Abstract
A projection type display apparatus in accordance with the present invention is provided with a lamp unit including a light source, a cooling fan cooling the light source, and a cooling wind guide tube guiding a cooling wind generated by the cooling fan to the lamp unit, and the cooling wind guide tube is structured such as to have a movable type rectification plate which is movable by its own weight, and cools the light source without being affected by an installed direction of the projection type display apparatus.