Method of image reversal in color electrophotography

Details Method of image reversal in color electrophotography Method of image reversal in color electrophotography

1986-10-17

1988-08-16

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430 47, 430126, G03G 1301, G03G 1322

Patent

active

047644435

ABSTRACT:
An electrophotographic method of producing positive color proof copies from negative films wherein a charged photoconductor is exposed to the negative film and toned with a conductive toner forming image deposits in the unexposed area. The conductive deposits are transferred to a dielectric paper and affixed thereto. The dielectric paper is charged, the charge being accepted only in areas free of the conductive deposits, i.e. the final image areas. The charged areas are toned with color toners and the color toner deposit transferred to printing stock to provide the positive proof.

REFERENCES:
patent: 2972304 (1961-02-01), Jarvis
patent: 3166420 (1965-01-01), Clark
patent: 3888664 (1975-06-01), Carlson et al.

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