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. 10, 2006
Filed:
Oct. 13, 2004
Ryuji Suzuki, Saitama, JP;
Ryuji Suzuki, Saitama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A projection displaying apparatus projects on a projection plane an image displayed on a reflection displaying device using light emitted from a light source. The projection displaying apparatus includes a wind feeding portion for feeding a cooling wind to a light-incident side of a polarization plate disposed on an optical path from the light source to the reflection displaying device, and a wind guiding portion for guiding the cooling wind such that the cooling wind can be blown on the polarization plate slantingly relative to a light-incident face of the polarization plate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile