US Patent 7606119 Objective lens actuator
Patent 7606119 was granted and assigned to Hon Hai Precision Industry Co Ltd on October, 2009 by the United States Patent and Trademark Office.
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In one preferred embodiment, an objective lens actuator includes a base, a suspension apparatus mounted on the base, a holder suspended by the suspension apparatus for holding an objective lens, a voice coil motor (VCM) for driving the holder to vibrate, and a cover. The VCM includes a first yoke, a second yoke and a pair of magnets fixed on the first yoke and the second yoke respectively. The first yoke and the second yoke respectively include a first part and a second part. The cover is made of a material having a magnetic conductivity. The cover connects the first part and the second part of each of the first yoke and the second yoke.
US Patent 07606119 Objective lens actuator US Patent 7606119 Objective lens actuator
US Patent 07606119 Objective lens actuator
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