| 摘要 |
PROBLEM TO BE SOLVED: To provide an incoming call notification device which can securely discriminate between incoming call to itself and incoming call to others. SOLUTION: The incoming notification device 5 is separated from the functions of a portable telephone 1 and vibrates when there is an incoming call to the portable telephone 1 to indicate it, and this device consists of master notifying equipment and slave notifying equipment 52. Fig. 53 shows the antenna of the slave notifying equipment 52. When there is an incoming call to the portable telephone 1, the master notifying equipment 51 receives a radio wave sent by the portable telephone 1 and sends it out as an incoming notifying radio wave of predetermined frequency. The slave notifying equipment 52 is a small-sized, lightweight device which when receiving the incoming notifying radio wave from the master notifying equipment 52 vibrates only one condition that the radio wave is the incoming notifying radio wave of the predetermined frequency. |
