Color image forming apparatus

Details Color image forming apparatus Color image forming apparatus

1997-12-12

2000-09-12

Coles, Edward L.

Facsimile and static presentation processing

Natural color facsimile

Measuring, testing, and calibrating

358520, 358296, 358298, 399 44, 399 49, 355 83, G03B 2780, H04N 146, H04N 121, G03G 1500

Patent

active

061185574

ABSTRACT:
In a color image forming apparatus, a test pattern is formed by a color toner and provided with multiple tones by a dither method. The toner density of the test pattern is accurately read by a simple structure and faithfully corresponds to the actual toner density.

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patent: 5937232 (1999-08-01), Taguchi et al.
patent: 6055071 (2000-04-01), Kuwata

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