Multipurpose film cassette having one-piece rotating process mod

Details Multipurpose film cassette having one-piece rotating process mod Multipurpose film cassette having one-piece rotating process mod

1979-08-06

1980-07-29

Hayes, Monroe H.

Optics: motion pictures

Removable film strip magazine type

Magazines

352130, G03B 2302, G03C 1100

Patent

active

042148227

ABSTRACT:
A multipurpose film handling cassette of the type in which a photographic film strip is exposed, processed and projected without removal of the film from the cassette is provided with a one-piece indicating element for signaling to the apparatus with which it is to be used the unprocessed or processed condition of the film within the cassette. A contact element is mounted within the cassette for rotation about a fixed axis from a first position wherein it will operatively engage a signal generating terminal of the apparatus thereby indicating a given process condition of the film within the cassette, to a second position wherein it will not operatively engage the signal generating terminal of the other apparatus thereby indicating a different process condition of the film in the cassette.

REFERENCES:
patent: 3778140 (1973-12-01), Land
patent: 3785725 (1974-01-01), Batter et al.
patent: 4003064 (1977-01-01), Mason

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