Patent · US Expired

Image forming apparatus with charging device having projecting zip discharge electrode and improved parameters

US5666604A · kind A · utility

17Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1995
Grant dateSep 9, 1997
Priority date
Expiry dateNov 30, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/028
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus having an electrostatic latent image carrier, and a charging device which includes an electric discharge electrode having a plurality of projection and a grid electrode located between the electric discharge electrode and the surface of the electrostatic latent image carrier. A grid electrode electric current Ig passing through the grid electrode and an image carrier electric current Ip passing through the conductive base of electrostatic latent image carrier satisfy the following relationship: EQU 1.5.ltoreq.Ig/Ip.ltoreq.4.

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