Color recording method

Details Color recording method Color recording method

1982-12-16

1985-06-04

Braun, Fred L.

Radiation imagery chemistry: process, composition, or product th

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

To produce color reproduction

355 3R, 355 4, 430 48, 430 55, 430102, G03G 1301

Patent

active

045215022

ABSTRACT:
A color recording method wherein equal amounts of photoconductive toner particles of three primary colors are uniformly mixed and applied as a layer on a doner member. Optical color images are projected onto this layer, thereby selectively decreasing the resistivities of the toner particles in patterns corresponding to the optical color images. Simultaneously or immediately thereafter there is applied a voltage thereacross, thereby selectively injecting charge into the photoconductive toner particles with decreased electric resistivities to form a charge distribution in the mixed toner layer corresponding to the projected optical color images. Using the charge distribution formed in the mixed toner layer, color recording is then performed by transferring the toner particles to a recording sheet in accordance with the charge distribution.

REFERENCES:
patent: 2899335 (1959-08-01), Straughan
patent: 2924519 (1960-02-01), Bertelsen
patent: 2940847 (1960-06-01), Kaprelian
patent: 4007044 (1977-02-01), Shiga
patent: 4207101 (1980-06-01), Vola et al.
patent: 4294902 (1981-10-01), Takashima et al.

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