Patent · US Expired

Electrographic copier with one-piece belt and styli

US4148042A · kind A · utility

4Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 11, 1977
Grant dateApr 3, 1979
Priority date—
Expiry dateNov 11, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00151
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Electrographic paper is fed over a segmented platen where its dielectric surface receives image defining electrostatic charges deposited by styli bearing directly and successively upon it. The styli are integral to an endless belt moving laterally to the surface. Voltage pulses corresponding to the input information are applied to the segmented platen to produce the electrostatic charges. The latent image charged surface is progressively fed to an image toning and fixing cycle to produce a hard copy.

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