Lens drive device for camera

Details Lens drive device for camera Lens drive device for camera

1986-07-17

1988-10-25

Perkey, W. B.

3541951, G03B 310

Patent

active

047807385

ABSTRACT:
A lens drive device for a camera having the auto-focus function and the manual focus function, wherein the automatic and manual focusings are functionally coordinated in such a manner that the manual focus function is rendered operative only after the in-focus condition is automatically established, or when the in-focus condition is impossible to detect, depending on the states of the output of a focus detecting circuit.

REFERENCES:
patent: 4568165 (1986-02-01), Ishibashi
patent: 4572643 (1986-02-01), Akashi

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