Patent · US Expired

Method of operating electrophotographic printing apparatus

US5111235A · kind A · utility

4Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 1991
Grant dateMay 5, 1992
Priority date
Expiry dateFeb 26, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/065
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method of operating an electrographic printing apparatus which employs a reversal development system with a two components developer wherein the bias voltage and the surface voltage are varied in synchronism with each other.

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