Mode change over device for camera

Details Mode change over device for camera Mode change over device for camera

1982-06-25

1984-01-24

Perkey, William B.

G03B 902

Patent

active

044272820

ABSTRACT:
A camera capable of changing its operational mode having an operation member for moving the diaphragm between the fully opened state and closed state comprises a lock mechanism for keeping the diaphragm in the fully opened state, the lock mechanism being released by a diaphragm closing operation of the operation member, with release of the lock mechanism being prevented when the camera is set in the shutter time preference mode.

REFERENCES:
patent: 3829872 (1974-08-01), Ueda et al.
patent: 3887929 (1975-06-01), Imura
patent: 4045807 (1977-08-01), Ito et al.
patent: 4168892 (1979-09-01), Ueda et al.
patent: 4200381 (1980-04-01), Ishizaka et al.

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