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. 07, 2017
Filed:
Nov. 06, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takayuki Kanazawa, Yokohama, JP;
Takayuki Namiki, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/086 (2013.01);
Abstract
An image forming apparatus includes a storage chamber configured to store developer, a plurality of sheet members disposed between a first electrode and a second electrode and disposed in the storage chamber, and a detecting portion configured to detect an output value relating to the capacitance between the first electrode and the second electrode. The amount of the developer is detected on the basis of the degree of deterioration of any one of the plurality of sheet members and the output value.