Automatic fixed-quantity/fixed-time anti-oxidation replenisher control system
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United States of America Patent
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Aug 14, 1984
Grant Date -
N/A
app pub date -
Nov 16, 1981
filing date -
Nov 16, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A processor of photosensitive material includes an automatic control system for providing anti-oxidation replenishment, as a function of a stored anti-oxidation replenishment rate and anti-oxidation replenishment provided by exhaustion replenishment. A time interval of fixed duration is initiated, at the end of which the anti-oxidation replenishment required due to expired time is compared to the amount of anti-oxidation replenishment provided by the exhaustion replenishment in that time interval. If the amount of needed anti-oxidation replenishment reaches a preset value, a fixed amount of replenisher is added to the developer tank. If the amount of needed anti-oxidation replenishment is less than the preset value, no replenisher is added and all amounts continue to accumulate. The comparison is repeated at the end of successive time intervals.
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