Safety device for automatic exposure control camera having motor

Details Safety device for automatic exposure control camera having motor Safety device for automatic exposure control camera having motor

1975-10-07

1978-08-01

Hix, L. T.

G03B 118

Patent

active

041046617

ABSTRACT:
This invention provides a safety device for automatic exposure control camera having motor drive equipment, which includes a phototaking switch externally manually operable for energizing the motor drive equipment when the switch is closed, an auxiliary switching device connected in series with the phototaking switch, a main switching device for actuating the exposure control circuit when the main switching device becomes conductive, and means for interlocking the main switching device and the auxiliary switching device for closing these switching devices substantially simultaneously.

REFERENCES:
patent: 3688669 (1972-09-01), Ogiso et al.
patent: 3693524 (1972-09-01), Furuta
patent: 3754455 (1973-08-01), Tsujimoto et al.
patent: 3763755 (1973-10-01), Kuramoto et al.
patent: 3898679 (1975-08-01), Ogiso et al.

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