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.

Date of Patent:
Jan. 08, 1991

Filed:

Nov. 23, 1988
Applicant:
Inventors:

Kouji Matsushita, Osaka, JP;

Shizuo Yuge, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355246 ; 355265 ; 355268 ;
Abstract

An image forming apparatus including a photosensitive member, a developing sleeve for developing an electrostatic latent image formed on the photosensitive member by using a developer, and control means for controlling the application of bias voltage to the sleeve wherein the bias voltage is controlled so as to be maintained a predetermined time period after the image formation is interrupted.


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