Apparatus for treating materials issuing from photocomposing mac

Details Apparatus for treating materials issuing from photocomposing mac Apparatus for treating materials issuing from photocomposing mac

1983-05-20

1984-12-04

Mathews, A. A.

354298, 354320, 354324, G03D 306

Patent

active

044860820

ABSTRACT:
An apparatus which controls the operation of metering pumps serving to regenerate the baths in a developing machine for exposed photosensitive material issuing from a photocomposing machine has a computer whose outputs transmit appropriate signals to the metering pumps via amplifiers and whose inputs respectively receive signals from a scanner serving to ascertain the width of photosensitive material in the photocomposing machine and the composition of the emulsion, from a forward-reverse counter which ascertains the total length of photosensitive material admitted into the developing machine per unit of time, and from an integrating circuit which receives signals denoting the amounts of radiation issuing from a cathode ray tube or a laser recorder and impinging upon the photosensitive material. This renders it unnecessary to monitor the condition of the baths and/or the photosensitive material in the developing machine.

REFERENCES:
patent: 3511160 (1970-05-01), Reusel
patent: 3559555 (1971-02-01), Street
patent: 3699869 (1972-10-01), Jensen
patent: 3787689 (1974-01-01), Fidelman
patent: 4260234 (1981-04-01), Burton

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