| 摘要 |
An oscillating actuator comprising a shaft, arranged along an axis of oscillation of a housing, having both ends fixed to end walls provided at both ends of the housing; a movable element having a magnet adapted to pass the shaft therethrough and movable in an extending direction of the shaft and a weight arranged adjacent to the magnet in the extending direction of the shaft, adapted to pass the shaft therethrough, and movable integrally with the magnet; and an elastic member, arranged between the movable element and the end wall, for urging the movable element in the oscillation axis direction; wherein the coil comprises first and second coils wound annularly about the axis of oscillation and disposed in parallel with each other in the oscillation axis direction, the first and second coils having respective current flowing directions different from each other. |
