| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration actuator which is mounted on a portable telephone and others and conducts three-mode actions of a sensory vibration, a buzzer, and a sound. SOLUTION: A vibration actuator supported by a diaphragm 19 by inserting a coil 17 into the magnetic gap 15 of a magnetic circuit device 14 supported elastically by a support apparatus 23 is provided with the first vibration mode for transmitting vibration outside by vibrating the device 14 mainly, the second vibration mode for generating a buzzer sound by vibrating the coil 17 mainly, and the third vibration mode for generating a sound corresponding to voice by vibration the device 14 and the coil 17 mainly.
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