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. 17, 2002
Filed:
Sep. 14, 2000
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract
A cartridge detachably mountable to a main body of an image forming apparatus which has a developing device for developing an electrostatic image formed on an image bearing member with two-component developer includes a toner and a carrier. The developing device has a density detecting portion for detecting toner density of a start agent of the developer and the main body of the apparatus performs a setting operation for setting a control value for controlling the density detecting portion on the basis of a detection result of the density detecting portion and storing device for storing information that the setting operation is performed.