| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable device which is identifiable by the user, even when the portable devices have identical same appearance or similar appearance. Ž<P>SOLUTION: The portable device constitutes an electronic key system of a vehicle for locking/unlocking a vehicle door through wireless communication, and communicates via radio with the vehicle in target of communication. Here, the individual portable device has an operation indicator lamp 22, turned on in a lighting mode which is set individually. Thus, when an operation of simultaneously pressing a lock button 21a and unlock button 21b of the portable device is detected, the operation indicator lamp 22 is turned on in the lighting mode individually set for the individual portable device. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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