SYSTEM AND METHOD FOR STABILIZING A VOICE COIL

摘要

A device or method for stabilizing a voice coil (20,21,22) is disclosed. The device comprises a voice coil for providing a motive force, and means for measuring a signal (31) from said voice coil related to a motional electromotive force. The device further comprises a unit (32) for controlling an amplification of said signal to create a force in said voice coil in a direction of said motional electromotive force.