Method of and apparatus for monitoring hot developing treatment

Details Method of and apparatus for monitoring hot developing treatment Method of and apparatus for monitoring hot developing treatment

1977-06-16

1979-01-16

Hix, L. T.

Electric heating

Microwave heating

Tunnel furnace

354299, 219216, 96 48HD, H05B 100

Patent

active

041346645

ABSTRACT:
A method of monitoring a hot developing treatment which can check a hot developed condition of a film used for a hot developing process is disclosed. At least one portion of those image regions of the film which are simultaneously hot developed by a hot developing heating body is used to photoelectrically monitor the developed concentration of said portion and stop the hot developing treatment when the developed concentration of said portion reaches to a predetermined concentration. An apparatus for carrying out the method is also disclosed.

REFERENCES:
patent: 3680463 (1972-08-01), Attridge et al.
patent: 3826896 (1974-07-01), Thompson
patent: 3887787 (1975-06-01), Gregg
patent: 4039770 (1977-08-01), Johnson et al.

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