Film cassette and a photographing device using the same

Details Film cassette and a photographing device using the same Film cassette and a photographing device using the same

1983-01-06

1985-02-19

Perkey, William B.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354217, 354275, 242 712, G03B 724, G03B 1736, G03B 1726

Patent

active

045001839

ABSTRACT:
A film cassette provided with a RAM semiconductor memory for storing data relative to a film contained in the film cassette. The data stored in the RAM is updated at every photographing shot, and the updated data is displayed on a display device.

REFERENCES:
patent: 3439598 (1969-04-01), Weitzner et al.
patent: 3592535 (1971-07-01), Gerry
patent: 3593635 (1971-07-01), Servetnick
patent: 4141629 (1979-02-01), Mattes
patent: 4173401 (1979-11-01), Harvey

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