Invention Grant
US09025796B2 Vibration generator 有权
振动发生器

Vibration generator
Abstract:
A vibration generator includes a coil arranged to generate magnetic fields, a ring-shaped yoke arranged to amplify an electromagnetic force generated by the magnetic fields in cooperation with the coil, a vibrating body arranged radially inward of the coil to move in a thrust direction, a ring-shaped magnet arranged in an outer peripheral portion of the vibrating body and opposed to the coil, and a spring arranged to support the vibrating body on at least one side of the vibrating body in thrust-direction.
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