Automatic focusing module

Details Automatic focusing module Automatic focusing module

2005-11-18

2009-02-17

Perkey, W. B. (Department: 2862)

Photography

Having variable focal length of camera objective

C396S077000, C396S079000, C396S089000, C396S090000, C396S529000

Reexamination Certificate

active

07493031

ABSTRACT:
An automatic focusing module (100) includes a lens barrel (10), a first lens (11), a piezoelectric element (14), and a deformably adjustable lens (13). The first lens is disposed in the lens barrel. The piezoelectric element is installed in the lens barrel. The piezoelectric element is connected to a piezoelectric circuit. The deformably adjustable lens is disposed in the piezoelectric element.

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patent: 2004/0252382 (2004-12-01), Nagata
patent: 7-151908 (1995-06-01), None

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