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:
Feb. 04, 2003
Filed:
Oct. 25, 2000
Applicant:
Inventor:
Kazushige Sakurai, Mishima, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract
A developer amount indicating method of successively indicating a developer amount in a developer containing portion mounted on an electrophotographic image forming apparatus main body, the method including the steps of successively indicating the developer amount based on a detection result of a first detector for successively detecting the developer amount in the developer containing portion, and subsequently and successively indicating the developer amount based on the detection result of a second detector for successively detecting the developer amount in the developer containing portion.