Image sensing device arranged to perform a white compression pro

Details Image sensing device arranged to perform a white compression pro Image sensing device arranged to perform a white compression pro

1990-01-24

1992-07-07

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 32, H04N 904, H04N 973

Patent

active

051287510

ABSTRACT:
In an image sensing device which performs a white compressing process before performing an automatic gain adjusting action on an image signal, a white compression circuit is arranged to have a white compressing characteristic which is variable in association with the automatic gain adjustment; and the gain of an A/D converter which is provided for A/D converting the output of the white compression circuit is arranged to be adjustable.

REFERENCES:
patent: 4202009 (1980-05-01), Ushiyama
patent: 4365272 (1982-12-01), Nagai
patent: 4651210 (1987-03-01), Olson
patent: 4700219 (1987-10-01), Tanaka
patent: 4714966 (1987-12-01), Saito
patent: 4734762 (1988-03-01), Aoki

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