Developing apparatus

Details Developing apparatus Developing apparatus

1996-10-25

1998-09-01

Rutledge, D.

Photography

Fluid-treating apparatus

Photographic medium or cartridge sensing

396578, 396626, G03D 0000

Patent

active

058024140

ABSTRACT:
A developing apparatus includes a developing tank (2) for developing photosensitive material, an auxiliary tank (3) communicated with the developing tank, a replenishing container (70) communicated with the auxiliary tank and holding therein processing liquid, a replenishing pump (91-94) for feeding the processing liquid from the replenishing container to the auxiliary tank, a replenishing pump operation instructing unit (100B) for activating the replenishing pump in accordance with a condition of the processing tank. The apparatus further includes a detector (91a-94a) for detecting a work amount of the replenishing pump, a determining unit (100B) for determining whether a cumulative value of detected work amount has reached a preset reference work amount or not and a notifying unit for notifying arrival of the cumulative value at the reference work amount in response to the determining unit.

REFERENCES:
patent: 4367249 (1983-01-01), Bloom et al.
patent: 4669847 (1987-06-01), Taniguchi et al.
patent: 4774547 (1988-09-01), Uchida et al.
patent: 5179405 (1993-01-01), Osada et al.
patent: 5184164 (1993-02-01), Kose et al.
patent: 5252213 (1993-10-01), Ahmad et al.
patent: 5337113 (1994-08-01), Kagawa et al.

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