Photography – Fluid-treating apparatus – Having fluid-circulating means
Patent
1996-03-27
1997-10-14
Rutledge, D.
Photography
Fluid-treating apparatus
Having fluid-circulating means
396632, 396633, 396601, G03D 302
Patent
active
056781202
ABSTRACT:
A method and apparatus for processing a photosensitive material. The apparatus has a processing tank for holding and retaining a processing solution, an agitation propeller, and a motor for driving said agitation propeller so as to move the processing solution. The apparatus includes a device for monitoring a characteristic feature of the motor which can be correlated to the level of the processing fluid within the processing tank.
REFERENCES:
patent: 2411457 (1946-11-01), Patterson
patent: 3392708 (1968-07-01), Hunstiger
patent: 3796412 (1974-03-01), Maurer
patent: 3978506 (1976-08-01), Geyken et al.
patent: 4341633 (1982-07-01), Walder
patent: 5330580 (1994-07-01), Whipple, III et al.
patent: 5543882 (1996-08-01), Pagano et al.
Eastman Kodak Company
Pincelli Frank
Rutledge D.
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