Photography – Fluid-treating apparatus – Photographic medium or cartridge sensing
Patent
1998-08-06
2000-04-25
Rutledge, D.
Photography
Fluid-treating apparatus
Photographic medium or cartridge sensing
396578, 396626, G03D 302
Patent
active
06053642&
ABSTRACT:
If processing agents and dilution water are supplied to replenishing tanks, the level of the resulting solutions may become higher than an upper limit level. This results in a different quantity processed of photosensitive material among the different replenishing tanks. A controlling device calculates the volume of the replenishing solution at a level higher than the upper limit level after the supply of cleaning water, and compares the calculated volume with the quantity of the replenishing solution when the replenishment is effected a prescribed number of times. The controlling device changes the driving time of a container cleaning pump to correspond to that ratio, and subsequently causes the actual number of replenishings to agree with a prescribed number of replenishings. In addition, a loading cover electromagnetic lock is controlled so that even if a cover opening switch is pressed, a loading section cover is not opened during the period from the beginning of the charging of the processing agents, through the cleaning of the containers, and until the end of the drying of the containers. Thus, it is possible to prevent the spilling and dripping of the processing agents when the containers are removed.
REFERENCES:
patent: 5025279 (1991-06-01), Ellsworth
patent: 5307107 (1994-04-01), Nozawa et al.
patent: 5797059 (1998-08-01), Yoshizawa et al.
Fuji Photo Film Co. , Ltd.
Rutledge D.
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