Chest for the storage of light sensitive film material or paper

Details Chest for the storage of light sensitive film material or paper Chest for the storage of light sensitive film material or paper

1985-05-28

1987-03-17

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Combined with diverse-type device

70DIG51, 354354, 355 72, H01J 4014

Patent

active

046509879

ABSTRACT:
An apparatus for the prevention of the unintentional exposure of photo material includes an electromagnetically locking flap on an apparatus designed as a storage chest for photo material. The flap as a cover for said chest and a photocell or the like respond to the luminosity of the environment. In the case of the prevalence of an adequate darkness a solenoid affects the magnet so as to unlock the cover.

REFERENCES:
patent: 3198883 (1965-08-01), Borberg et al.

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