Patent
1981-09-08
1983-05-24
Gellner, Michael L.
354 51, G03B 7097
Patent
active
043847730
ABSTRACT:
A digital scene light detecting and integrating circuit is provided with an automatic preset by which the integrating circuit is presignaled to ramp upward to a preselected reference voltage value at which digital pulse counting can immediately begin, thereby subsequently enabling the precise detection and integration of illumination.
REFERENCES:
patent: 4293208 (1981-10-01), Bagdis
Gellner Michael L.
Polaroid Corporation
Roman Edward S.
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