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:
Oct. 17, 2000
Filed:
Apr. 05, 1999
Applicant:
Inventors:
Hiromitsu Shimazaki, Kaho-gun, JP;
Akihiro Tsuru, Chikugo, JP;
Hironori Taguchi, Miyaki-gun, JP;
Kazuhiko Noda, Chikushino, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399 55 ; 399281 ; 399285 ;
Abstract
A toner supply bias voltage that is a vibrating voltage comprising an a.c. voltage and a d.c. voltage is applied to a toner supply roller. The d.c. voltage of toner supply bias voltage is changed in dependence upon a variation in the value of developing bias voltage. The lowering in the density at the leading end part of an image, the lowering in the density at the trailing end part of an image, and the uneven developing can be eliminated by satisfying the relationships
Shimazaki, Hiromitsu. (2000). Non-magnetic one-component developing apparatus (U.S. Patent No. 6134397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6134397
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile