Accumulation time adjusting device for photo-electric converter

Details Accumulation time adjusting device for photo-electric converter Accumulation time adjusting device for photo-electric converter

1984-09-24

1987-10-20

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

35821319, H01J 4014

Patent

active

047016264

ABSTRACT:
There is disclosed a device for correcting the accumulation time of a photoelectric converter composed of self-scanning charge-accumulation elements of plural bits on the basis of the average intensity to the incident light to the converter. The charge accumulation time is controlled by determining a reference value according to the maximum value of the output signals obtained from the photoelectric converter and comparing this reference value with the average intensity.

REFERENCES:
patent: 4283137 (1981-08-01), Tsunekawa et al.
patent: 4340819 (1982-07-01), Ogasawara et al.
patent: 4479062 (1984-10-01), Kawasaki et al.
patent: 4523101 (1985-06-01), Tsunekawa

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