Image reproducing equipment

Details Image reproducing equipment Image reproducing equipment

1988-07-26

1989-03-14

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358283, 382 9, H04N 140

Patent

active

048129100

ABSTRACT:
A copying machine including a photoelectric converter to photoelectrically convert an original image, a reference density signal generator to generate reference density signals, an A/D converter to A/D convert the signal produced by the photoelectric converter based on the reference signals from the reference density signal generator, a regional value allotment circuit which generates regional value signals for two values sequentially in synchronism with a picture element read by the photoelectric converter, a selector to select the regional value or regional value allotment, and an output device to output a reproduced signal from the selected regional value allotment signal coming from the regional value allotment circuit and the converted signal coming from the A/D converter in order to obtain a copy having desired intermediate tone.

REFERENCES:
patent: 3805237 (1974-04-01), Cobb et al.
patent: 4517606 (1985-05-01), Yokomizo et al.

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