Two-color electrophotographic printing machine

Details Two-color electrophotographic printing machine Two-color electrophotographic printing machine

1983-08-08

1985-04-09

Grimley, A. T.

Photocopying

Including fiber optics

355 3DD, G03G 1501

Patent

active

045098506

ABSTRACT:
An electrophotographic printing machine in which a latent image is recorded on a photoconductive surface with modulated and continuously charged regions. The modulated regions are developed with polar or polarizable marking particles with the continuously charged regions being developed with charged marking particles. The charged marking particles and polar or polarizable marking particles are different colors. Both types of marking particles are transferred simultaneously to a copy sheet and subsequently permanently affixed thereto forming a two-color copy.

REFERENCES:
patent: 3702483 (1972-11-01), Fautuzzo
patent: 3832170 (1974-08-01), Nagamatsu
patent: 4078929 (1978-03-01), Gundlach
patent: 4189224 (1980-02-01), Sakai
patent: 4264185 (1981-04-01), Ohta
patent: 4289837 (1981-09-01), Gundlach
patent: 4335194 (1982-06-01), Sakai
patent: 4387983 (1983-06-01), Masegi

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