Photographic system employing a cassette carrying a processing i

Details Photographic system employing a cassette carrying a processing i Photographic system employing a cassette carrying a processing i

1974-05-06

1977-05-10

Braun, Fred L.

Optics: motion pictures

Removable film strip magazine type

352 78C, 352130, G03D 500

Patent

active

040231941

ABSTRACT:
A film handling cassette and apparatus configured for operation of the same through any one of several processing cycles and subsequent projection of the film retained within the cassette. The cassette includes structure indicative of the processing cycle required for the particular film retained within the cassette, and the apparatus includes a sensor configured to cooperate with the indicative structure and to program the apparatus responsive thereto so as to operate the cassette through a selected processing cycle which conforms to the required cycle. In the illustrated embodiment, the cassette includes a rib-like tactile discontinuity carried on the cassette surface which in conjunction with a complementary indent of the apparatus prevents loading of the cassette except when it is oriented in one special relation to the apparatus, and the rib length or, more particularly, the location of the end of the rib is made to be indicative of the required processing program.

REFERENCES:
patent: 2493928 (1950-01-01), Rath
patent: 3617013 (1971-11-01), Ainslie et al.
patent: 3623417 (1971-11-01), Eloranta et al.
patent: 3672752 (1972-06-01), Young et al.
patent: 3771861 (1973-11-01), Land
patent: 3778140 (1973-12-01), Land
patent: 3832048 (1974-08-01), Batter et al.

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