| 摘要 |
<p>The present invention is to provide a linear vibrator having a structure which can increase the intensity of vibration by extending the length of a coil. The linear vibrator includes: a case including side walls made of a magnetic material and upper and lower surfaces made of a non-magnetic material; a permanent magnet located inside the case; a suspension having one end thereof installed on the permanent magnet, and the other end thereof installed on either the upper surface or the lower surface of the case to elastically support the permanent magnet; and a voice coil located between the side wall of the case and the permanent magnet, and attached to either the upper surface or the lower surface of the case.</p> |
