Camera lens driving device

Details Camera lens driving device Camera lens driving device

1989-12-26

1990-11-27

Hix, L. T.

354439, 3542341, G03B 1300

Patent

active

049740067

ABSTRACT:
A lens driving device for an auto-focusing camera includes a lens driving member biased to move in one direction, a ratchet wheel having a plurality of teeth and rotatably associated with the lens driving member, a rockable retaining member having two pawl portions alternately engaging the teeth of the ratchet wheel, an electromagnet for controlling the rocking motions of the retaining member, and a control circuit for outputting a signal to the electromagnet to control the biased movement of the lens driving member.

REFERENCES:
patent: 4868596 (1989-09-01), Ishida et al.
patent: 4881096 (1989-11-01), Ogihara et al.

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