| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable device capable of preventing itself from being left behind or stolen and surely detecting an incoming call. SOLUTION: The portable device is provided with a base part 2 having a transmitting function, and is combined with a display device having a receiving part on a surface part of a container such as a wallet. A radio wave is transmitted, and if both the base part 2 and the display device are separated or if a main body 1 receives an incoming call, display that notifying the separation or the incoming call is performed, such as to make the display device ring a bell. COPYRIGHT: (C)2009,JPO&INPIT
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