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:
Oct. 09, 2012
Filed:
Jul. 09, 2009
Mika Koyama, Matsumoto, JP;
Kiyotaka Nakano, Azumino, JP;
Mika Koyama, Matsumoto, JP;
Kiyotaka Nakano, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes a light source device; an exhaust fan configured to take air in the vicinity of the light source device in and discharge the same; a power supply device configured to supply electric power to components of the projector; an outer casing configured to accommodate the light source device and the power supply device in the interior thereof and provided with an exhaust port formed thereon; and a first duct configured to guide the air discharged from the exhaust fan to the exhaust port, and the power supply device includes a second duct configured to guide the air in the interior of the power supply device toward the first duct, and an air incoming port configured to take the air discharged from the second duct into the first duct is formed with the first duct.