| 摘要 |
PURPOSE: A counter-weight structure of a linear vibrator is provided to extend the lifespan of components by supplying power to a final coil without abrasion of a coil. CONSTITUTION: In a counter-weight structure of a linear vibrator, permanent magnets(107) are opposite to each other while having a certain interval at the center of a case(110). The coil, in which a current is flowed, is arranged between the permanent magnets. At least one springs(104) is arranged between the case and a moving part.
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