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:
May. 15, 2012
Filed:
Aug. 23, 2007
Wanjun Zheng, Shenzhen, CN;
Toshihiro Saruwatari, Osaka, JP;
Xianglin Zhang, Shenzhen, CN;
SANYO Electric Co., Ltd., Moriguchi-shi, Osaka, JP;
Abstract
This invention provide a projector apparatus enabled to lower its exhaust air temperature by adding only minor modifications to the existing structure, without altering its basic structure. The liquid crystal projector apparatus of the invention has a casing () for accommodating therein a light source (), an optical system adapted to construct imaging light in response to a beam of light received from the light source, a power supply (), and a cooling unit () mounted on the side wall of the casing () to cool the components in the casing. Provided on the inner wall of the casing is an air inspiration mechanism () in association with the exhaust unit (), whereby the exhaust unit () can inspire ambient air through the air inspiration mechanism to lower the temperature of the air to be expired from the exhaust unit.