Photographic processing method and apparatus

Details Photographic processing method and apparatus Photographic processing method and apparatus

1995-06-05

1996-10-01

Rutledge, D.

Photography

Fluid-treating apparatus

Having testing, calibration, or indicating

396630, G03D 1300

Patent

active

055614884

ABSTRACT:
A photographic processing machine having at least two processing tanks for holding different processing solutions and a removable container (100) containing working strength processing solutions and a washing-stabilizing solution in separate sub-containers (10-50) therein from which the processing tanks are fed, wherein the last sub-container that feeds the washing-stabilizing tank comprises electrodes (70 and 80) and, in that when the resistance falls to a predetermined value, an indicator means is activated signalling the necessity for changing the processing solution container.

REFERENCES:
patent: 4796042 (1989-01-01), Mappin et al.
patent: 5084168 (1992-01-01), Woog
patent: 5294955 (1994-03-01), Frank
patent: 5347336 (1994-09-01), Yamada et al.

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