| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable device search system in which, even if a search range is spread wide or there is no other telephone, a lost portable device can be searched. <P>SOLUTION: A portable device 20 includes: a reception and collation section 23 for receiving a drive signal from a portable electronic key 10 as a search signal or receiving a search signal equivalent to a search signal outputted from any other portable device with a specific small power radio and checking whether or not the received search signal is matched with a registered search signal prestored in a storage section; a transmission and conversion section 25 for transmitting the search signal to the other portable device with the specific small power radio when mismatching is determined as a result of the collation; and a notification section 26 for notifying the outside that the portable device is related to the search when matching is determined as a result of the collation. <P>COPYRIGHT: (C)2010,JPO&INPIT |
