Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent
1990-03-30
1991-10-22
Mathews, A. A.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to regulate or vary operation of device
354321, 1374875, 13762411, G03D 306
Patent
active
050599984
ABSTRACT:
A processing solution supplying apparatus and method for supplementarily supplying a processing solution into a processing vessel for processing a photographic photosensitive material. The quantity of supply of the processing solution is detected, and a series of pulses with a predetermined period produced in correspondence to the quantity of supply thus detected. These pulses are counted for a predetermined period of time. The time of stopping the operation of the processing solution supplying pumps is determined according to the number of pulses thus produced or counted.
REFERENCES:
patent: 3841351 (1974-10-01), Shida
patent: 4480901 (1984-11-01), Osegowitsch et al.
patent: 4769662 (1988-09-01), Suzuki et al.
Nakamura Takashi
Sasaki Kouichi
Fuji Photo Film Co. , Ltd.
Mathews A. A.
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