Patent ID: 8284509
Filing Date: 2012-10-09
Classification: G02B,H02K

Abstract:
1. A voice coil motor comprising: a stationary member comprising a stationary frame and a plurality of magnets fixed on the stationary frame, the stationary frame defining a first receiving room; a moveable member received in the first receiving room, the moveable member comprising a barrel holder and a coil wrapped around the barrel holder, the barrel holder defining a second receiving room for receiving a lens barrel and two through holes extending from a top surface to a bottom surface of the barrel holder; a base configured for supporting the stationary member and the moveable member; and two guide posts perpendicularly fixed on the base and passing through the through holes of the moveable member, wherein one end of each guide post is fixed on the base, and the other end of each guide post is fixed on the stationary frame.