| 摘要 |
PROBLEM TO BE SOLVED: To attain miniaturization and to allow the equipment to surely inform the user of the arrival of an incoming call. SOLUTION: The equipment has a vibration generator 7 that has two vibrators 116, 117 having different natural vibrating frequencies and a magnetic circuit consisting of a coil 118 and a permanent magnet 113 which drive the vibrators 116, 117. When an incoming call detection circuit 12 detects the arrival of an incoming call to its own station, either of two signals with frequencies equal to the natural vibrating frequencies of the two vibrators 116, 117 is applied to the vibration generator so as to inform the user of the arrival of the call by means of sound or vibration depending on the selection of the user.
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