Patent · US Expired

Image transfer method

US3992557A · kind A · utility

11Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 1974
Grant dateNov 16, 1976
Priority date
Expiry dateJul 17, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/167
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In transferring a toner image carried on a toner image carrier onto a transfer medium, a uniform charge is imparted to the surface of the toner image carrier while a charge of the same polarity as the uniform charge is imparted to the surface of the transfer medium, whereafter a toner image is transferred from the surface of the toner image carrier to the surface of the transfer medium.

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