Automatic processing devices for processing photographic...

Details Automatic processing devices for processing photographic... Automatic processing devices for processing photographic...

G - Physics

03

D

G03D 3/06 (2006.01) G03C 7/44 (2006.01) G03D 13/00 (2006.01)

Patent

CA 2073444

2073444 9110940 PCTABS00006 An automatic film processing device replenishment system where an infra red sensor (6) is located to measure silver content of the image on a film or paper carrier, and use the measured silver content for control of replenishment of the process chemicals. In a preferred arrangement a first infra red sensor (6) measures silver content and controls replenishment of developer (1) and bleach (2), and a second infra red sensor (11) measures silver halide content and controls replenishment of fixer (3).

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