Photographic developing apparatus and method of supplying water

Details Photographic developing apparatus and method of supplying water Photographic developing apparatus and method of supplying water

1997-05-19

1998-11-24

Rutledge, D.

Photography

Fluid-treating apparatus

Having testing, calibration, or indicating

396626, 430398, G03D 302

Patent

active

058420746

ABSTRACT:
A photographic processing apparatus includes a unit for supplying processing liquid to a processing tank, a unit for forcibly draining processing liquid from the tank, a unit for means for measuring an amount of processing liquid in the tank and a unit for supplying water to the tank. The apparatus further includes a unit for determining an amount of water evaporated from the liquid in the tank based on amounts of liquid coming in and out of the tank. The water supplying unit supplies an amount of additional water to the tank based on the amount of water evaporation determined by the evaporation amount determining unit.

REFERENCES:
patent: 4314753 (1982-02-01), Kaufmann
patent: 4937608 (1990-06-01), Ishikawa et al.
patent: 5177521 (1993-01-01), Mogi et al.
patent: 5452045 (1995-09-01), Koboshi et al.
patent: 5460926 (1995-10-01), Komatsu et al.

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