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:
Apr. 10, 2012
Filed:
Mar. 30, 2009
Applicant:
Shoichi Sakata, Osaka, JP;
Inventor:
Shoichi Sakata, Osaka, JP;
Assignee:
Kyocera Mita Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/06 (2006.01); G03G 15/08 (2006.01); G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A first bias Vslv is applied to a development rollerand a second bias Vmag is applied to a magnetic rollerto perform development; after completion of development, without changing the setting of Vslv, of the AC component Vpp2 of Vmag, the peak voltage value Vpp2 (max) at the side with the same polarity as toner is made lower than during a development period and development-residual toner on the development rolleris collected to prevent a lateral streak formed on photoconductor drumstoduring a non-development period.