Camera having automatic focus function and automatic exposure fu

Details Camera having automatic focus function and automatic exposure fu Camera having automatic focus function and automatic exposure fu

1982-04-29

1983-08-30

Perkey, William B.

354234, G03B 310, G03B 914

Patent

active

044013787

ABSTRACT:
A coil-like conductor is provided in combination with a rotor arranged to rotate in different directions depending upon the direction of current flow to this conductor, and the rotor is drivingly connected to open and close blade members. When a first current supply is generated, as the rotor rotates from an initial position in a direction to further close the blade members, a focus adjusting operation is initiated. Upon termination of the focus adjusting operation, the direction of current flow to the conductor is reversed. As the completion of focus adjusting is followed by a subsequent current supply, the rotor is caused to rotate in a direction to open the blade members, thus initiating an exposure operation.

REFERENCES:
patent: 4167316 (1979-09-01), Johnson et al.
patent: 4319822 (1982-03-01), Tezuka et al.
patent: 4348092 (1982-09-01), Hirohata et al.

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