Stanzione & Kim LLP
Vibration-sound generating device and yoke thereof
A vibration-sound generating device and yoke thereof are described. The vibration-sound generating device comprises a diaphragm, a vibration part comprising a magnet and a yoke, which is positioned apart from the diaphragm by a desired distance, a suspension elastically supporting the vibration part, a supporting part supporting the diaphragm and the suspension, and a voice coil electromagnetically driving the diaphragm and the vibration part. The yoke of the invention has higher specific gravity and magnetic permeability than iron. So that it can improve performance of vibration and sound device.
Samsung Electronics Co., Ltd
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inventional additional additional inventional inventional additional additional
Sang-Won Seuk-Hwan Seok-Jun Seong-Geun Jun-Kun
Kim Chung Park Kim Choi