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:
Sep. 08, 2009
Filed:
Jan. 23, 2006
Makoto Zakoji, Shiojiri, JP;
Satoshi Kinoshita, Matsumoto, JP;
Motoyuki Fujimori, Suwa, JP;
Yoshiyuki Yanagisawa, Matsumoto, JP;
Makoto Zakoji, Shiojiri, JP;
Satoshi Kinoshita, Matsumoto, JP;
Motoyuki Fujimori, Suwa, JP;
Yoshiyuki Yanagisawa, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes: a light source unit; an optical apparatus including, an optical device, a holding frame for holding a periphery of the optical device, a cooling tube that is provided in the holding frame along the periphery of the optical device and in which a cooling fluid flows, wherein a gap between the holding frame and the cooling tube is filled with a thermally conductive material; a cooling unit for circulating the cooling fluid in the optical apparatus; and a projection optical apparatus for enlarging and projecting an optical image formed by means of the optical apparatus.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile