Camera

Details Camera Camera

1992-08-04

1995-02-14

Gellner, Michael L.

354275, 354159, 354222, G03B 700, G03B 1726, G03B 1702, G03B 1310

Patent

active

053899830

ABSTRACT:
According to the present invention, a film cartridge has a display code that represents information of a built-in film using a pattern of electrodes set in array an, wherein information in addition the film sensitivity, number of permissible exposures, and latitude is displayed depending on whether the display code provides a pattern in which one of earth electrodes in two arrays of electrodes is nonconducting or a pattern in which the other earth electrode is conducting. A camera using the film cartridge changes photographic screen sizes according to identification information of the film when the film cartridge is mounted in the camera body.

REFERENCES:
patent: 4579432 (1986-04-01), Kobayashi
patent: 4597653 (1986-07-01), Seeley et al.
patent: 4650304 (1987-03-01), Harvey
patent: 4685786 (1987-08-01), Iida et al.
patent: 4987431 (1991-01-01), Harvey
patent: 4994844 (1991-02-01), Azuma et al.
patent: 5049908 (1991-09-01), Murakami

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