Photographic printing and developing system

Details Photographic printing and developing system Photographic printing and developing system

1988-10-13

1990-06-12

Griffin, Donald A.

Photocopying

Projection printing and copying cameras

With temperature or foreign particle control

G03B 2752

Patent

active

049337076

ABSTRACT:
A photographic printing and developing device in which a continuous elongated photosensitive material is fed through a printing section in which the photosensitive material is exposed to light through a negative film so that an image on the negative film is printed on the photosensitive member. The photosensitive material is then fed through a developing section in which the printed image is developed and fixed. The system has a blower capable of introducing ambient air into a connecting section between the printing section and the developing section, and a control circuit capable of selectively operating the blower in accordance with a predetermined condition so as to maintain the humidity in the connecting section at an optimum level for feeding the photosensitive member from the printing section to the developing section.

REFERENCES:
patent: 3936672 (1976-02-01), Tanaka
patent: 4561235 (1985-12-01), Yanagisawa et al.
patent: 4742375 (1988-05-01), Kogane et al.
patent: 4785321 (1988-11-01), Murasaki

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