| 摘要 |
PURPOSE: A linear vibrator is provided to prevent the generation of noises according to abnormal vibrations by forming a guide and a noise preventive unit to a moving part and a case. CONSTITUTION: A case(81) includes an internal space. Permanent magnet is arranged in the space of the case. A coil(83) is arranged to actuate electromagnetic force with respect to the permanent magnet. A mass is moved by the electromagnetic force of the permanent magnet and the coil. A moving part(84) is composed of a connecting unit connecting the coil and the mass. A power connecting part supplies power to the coil. A circuit board(85) is electrically connected to the power connecting part of the coil. The circuit board receives power from the outside of the case. |
