Method and apparatus for adjusting the operating conditions of a

Details Method and apparatus for adjusting the operating conditions of a Method and apparatus for adjusting the operating conditions of a

1983-12-06

1985-11-12

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 314

Patent

active

045531684

ABSTRACT:
The charges induced by the light image to be scanned are integrated cyclically. During each integration cycle, the total amplitude of the signal corresponding to said image is calculated. The calculated amplitude is compared with a threshold amplitude value which is a function of a saturation value which is itself fixed by the amplitude of a periodic bias voltage applied to the device. The amplitude of the potential wells created by said bias voltage is modulated as a function of the result of said comparison. The invention is applicable to solid state TV cameras, e.g. for use in low light.

REFERENCES:
patent: 4055836 (1977-10-01), Weimer
patent: 4499497 (1985-02-01), Levine

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