Autofocus lens module

Details Autofocus lens module Autofocus lens module

2011-08-02

2011-08-02

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

With support

Reexamination Certificate

active

07990637

ABSTRACT:
An autofocus lens module includes a holder defining a space, a barrel positioned in the space of the holder, a first post extended from an outer surface of the barrel, a first spring connecting adjacent ends of the barrel and the holder such that the barrel is maintained in the holder, and a first piezoelectric actuator. The first piezoelectric actuator is fixed on an internal surface of the holder and capable of deforming along a central axis of the holder. The first piezoelectric actuator is coupled with the first post so as to move the barrel along the central axis of the holder.

REFERENCES:
patent: 7446965 (2008-11-01), Su et al.

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