| 摘要 |
PROBLEM TO BE SOLVED: To perform stable and strong vibration for calling by transmitting the vibration of a vibrator, which is the call-incoming reporting means of a portable terminal set, directly to a carrying person of the portable terminal set. SOLUTION: The vibrator provided with a diaphragm, a magnetic circuit part arranged opposing the diaphragm, a spring for supporting the magnetic circuit part, a housing for supporting the diaphragm and the magnetic circuit part, and a voice coil, is provided with the vibration transmitter on bottom face of the yoke of the magnetic circuit to transmit the vibration of the vibrator directly to the carrying person.
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