Developing color display device of copying machine

Details Developing color display device of copying machine Developing color display device of copying machine

1985-12-12

1987-05-05

Wintercorn, Richard A.

Photocopying

Including fiber optics

355 35, G03G 1501

Patent

active

046627375

ABSTRACT:
A developing color display device of a copying machine including a control circuit for outputting a signal corresponding to the developing color in a development cell, light emitting bodies of three primary colors (red, blue and green) that are selectively turned ON and/or whose luminous intensities are changed according to the signal output from the control circuit, and a developing color indicator for presenting a desired developing color synthesized by lights from the three primary color light emitting bodies.

REFERENCES:
patent: 3438709 (1969-04-01), Hatashita
patent: 3825337 (1974-07-01), Lucas

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