Patent · US Expired

Electrostatic charge image transfer

US4115114A · kind A · utility

3Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 1973
Grant dateSep 19, 1978
Priority date
Expiry dateSep 14, 1993

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G13/10
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A system for electrostatic reproduction in which a carrier surface is charged with an image, the image-charged surface is presented adjacent a receiving surface, and a liquid or powder developer is selectively charged and is presented between the image-charged surface and the receiving surface to produce a developed image on the receiving surface.

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