Digital scanner

Details Digital scanner Digital scanner

1985-12-04

1987-09-15

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358294, 382 52, H04N 140

Patent

active

046943536

ABSTRACT:
A digital scanner installed in an image reader of a digital facsimile apparatus, a digital copier or the like includes an analog-to-digital converter for quantizing a video signal which is produced by reading a document. A threshold voltage applied to the analog-to-digital converter from the outside is variable and specified from the outside.

REFERENCES:
patent: 4475127 (1984-10-01), Iinuma
patent: 4496987 (1985-01-01), Yuasa et al.
patent: 4549220 (1985-10-01), Suzuki
patent: 4554594 (1985-11-01), Ciardiello et al.

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