Invention Grant
US08478119B2 Lens movement control method and lens movement control apparatus of camera module 有权
相机模块的镜头移动控制方法和镜头移动控制装置

Lens movement control method and lens movement control apparatus of camera module
Abstract:
A lens movement control method and a lens movement control apparatus of a camera module for preventing allophone of a Voice Coil Actuator (VCA) are provided. The lens movement control method of a camera module includes switching the camera module from a camera operation mode to a camera stop mode, generating a control signal for removing the occurrence of VCA allophone in the camera stop mode, moving a lens to a VCA allophone removal location based on the generated control signal, and powering-off the camera module to move the lens moved to the VCA allophone removal location to a bottom surface of the lens.
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