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For optical image stabilization (OIS) and autofocusing (AF) camera modules, power efficiency and size are two of the most important characteristics. Therefore, in this paper, we propose a novel voice coil motor (VCM) OIS/AF camera module for cellphones to satisfy the requirements of small size and high power efficiency. The design optimization of the proposed VCM OIS/AF camera module is done using simulations. The results of the simulations show that the proposed VCM OIS camera module has excellent characteristics when compared to a conventional VCM OIS camera module.

Design of Miniaturized Optical Image Stabilization and Autofocusing Camera Module for Cellphones