| 摘要 |
PURPOSE: A linear vibration generating device is provided to prevent damage to a permanent magnet using a magnetic field. CONSTITUTION: In a linear vibration generating device, a stator comprises a coil. A vibrator is faced with the stator and includes a permanent magnet mounted a yoke. An elastic member(220) supports the vibrator from the ceiling. Collision preventing units(310,320,340) are included in the bottom of the permanent magnet and are corresponded to a maximum displacement point in vertical direction. |
