Patent · US Expired

Image forming apparatus supplying charging accelerating particles to image bearing body in non-image forming

US6226480A · kind A · utility

12Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 1999
Grant dateMay 1, 2001
Priority date
Expiry dateSep 1, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0216
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus for injection charging which uses charging accelerating particles in a charging nip portion to rotate an image bearing body and a charging roller at different velocities and applies a bias in image forming which is different from a bias applied in non-image forming to feed substantially only the charging accelerating particles in non-image forming, thereby it is possible to enhance a charging property and to provide a favorable image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.