| 摘要 |
PURPOSE: A linear vibrator in which the direct drive circuit installs uses the direct drive circuit of the mode varied to the resonant frequency the automatic it best suiteds. CONSTITUTION: The case comprises the predetermined space in inside. The magnet(66) is arranged in the case. The supporting shaft(65) is inserted into the case. The bearing(67) is touched with the supporting shaft outer circumference in order to mobile. The mass(68) protects a part of bearing. The moving part(71) is included of the fixing member clinching coil on the mass.
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