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:
Nov. 09, 2004
Filed:
Dec. 24, 2002
Applicant:
Inventors:
Katsumi Adachi, Nara, JP;
Masamitsu Sakuma, Hirakata, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract
A rear electrode is arranged at a location at the back of a toner transport path opposite a supply roller, and the rear electrode is moreover embedded in a support, toner-supplying voltage from rear electrode power supply being applied to rear electrode, toner-supplying electric field being formed in the vicinity or vicinities of supply roller, toner-supplying voltage from a rear electrode power supply being varied as appropriate, and intensity of toner-supplying electric field(s) being adjusted.