CAMERA MODULE AND PERSONAL DIGITAL ASSISTANT EQUIPPED WITH CAMERA MODULE

摘要

PROBLEM TO BE SOLVED: To provide a camera module constituted to have a small size and light weight even when an autofocus (AF) function and a zoom function are incorporated, and a personal digital assistant equipped with the camera module. SOLUTION: The camera module is constituted of a second lens holding part capable of moving in an optical axis direction, a first shaft member and a second shaft member arranged nearly symmetrically with an optical axis as center and in parallel, and first and second piezoelectric elements having actuation parts abutting on the first and the second shaft members at the ends and also arranged at the second lens holding part. A first lens holding part and the second lens holding part are moved by the piezoelectric elements. COPYRIGHT: (C)2006,JPO&NCIPI