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Application filed by Tong-Feng ChuangfiledCriticalTong-Feng Chuang
Priority to TW094114609ApriorityCriticalpatent/TW200639557A/en
Publication of TW200639557ApublicationCriticalpatent/TW200639557A/en
An auto focusing device, including a magnetic A and a magnetic B, away from the magnetic A for a distance, and sets upon the magnetic A. An image sensor base sets on the magnetic B. An image sensor sets on the image sensor base. A lens holder with a thread portion sets on the image sensor base. A lens barrel fits with the lens holder and an optical system sets inside the lens barrel.
TW094114609A2005-05-062005-05-06An auto focusing device
TW200639557A
(en)