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:
Jun. 06, 2006
Filed:
May. 05, 2003
Shinya Yamamoto, Shizuoka-Ken, JP;
Hiroaki Ogata, Shizuoka-Ken, JP;
Shinya Yamamoto, Shizuoka-Ken, JP;
Hiroaki Ogata, Shizuoka-Ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a developer container for containing a developer; a developer amount detector for detecting the amount of the developer contained in the developer container; a memory; and a calculator for calculating a display level of the remaining amount of the developer. At least the developer container and the memory are in a unit which is detachably mountable to a main assembly of the image forming apparatus. The memory stores information relating to a lifetime of the unit, and a device calculates the display level in accordance with the amount detected by the developer amount detector and the information relating to the lifetime of the cartridge.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile