Patent · US Expired

Electrostatic developing method and apparatus using conductive magnetic toner

US4187330A · kind A · utility

9Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 1977
Grant dateFeb 5, 1980
Priority date
Expiry dateJan 25, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0921
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for developing an electrostatic latent image and an apparatus therefor, in which a magnetic toner layer is formed on an arcuate face formed from an insulator, and an electrostatic latent image carrying medium is supported such that its electrostatic latent image surface contacts lightly with a part of said magnetic toner layer.

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