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. 01, 2007
Filed:
Sep. 29, 2004
Shinichi Hara, Kanagawa-ken, JP;
Hideo Yokota, Kanagawa-ken, JP;
Shinichi Hara, Kanagawa-ken, JP;
Hideo Yokota, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed is cooling technology in one aspect of which is a cooling system for cooling an optical member including a material having a linear expansion coefficient that becomes equal to zero at a predetermined temperature, the cooling system including a temperature detecting unit for detecting a temperature of a detection-subject portion of the optical member, a cooling unit for cooling a cooling-subject portion of the optical member, and a control unit for controlling the cooling unit on the basis of the detection by the temperature detecting unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile