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:
Dec. 23, 2003
Filed:
Sep. 14, 2001
Katsuhiro Kojima, Shizuoka, JP;
Hideki Matsumoto, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In an electrophotographic image forming apparatus to which a cartridge containing a developer therein is detachably attachable, the cartridge has a memory storing therein information regarding the cartridge, and the main body of the apparatus is of a construction which has two or more devices for relating the output of a developer remaining amount detector and the developer amount to each other, and determines the method for relating the output of the developer remaining amount detector used to detect the developer amount from the output of the developer remaining amount detector and the developer amount to each other, on the basis of the information regarding the cartridge stored in the memory.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile