To accurately and speedily perform recognition processing of a proper vehicle user to improve the security property against theft of a vehicle, suppress cost, and extend and add a function easily.
A Bluetooth interface part 4 forms a radio link with a cellular phone 5 in which Bluetooth address is stored. The Bluetooth address stored in the cellular phone 5 owned by the proper vehicle user each is registered in a storage circuit 3 in advance. A control circuit 2 performs the connection operation of the radio link with the cellular phone 5 through the Bluetooth interface part 4 while an ignition switch 6 is on and the retrieval operation of the Bluetooth address stored in the cellular phone 5, outputs an alarm signal if it cannot retrieve the Bluetooth address registered in the storage circuit 3 to operate a horn drive circuit 11, and inhibits the start of an engine by an engine ECU(electronic control unit) 12.
JPH05106376A | 1993-04-27 | |||
JP2000318576A | 2000-11-21 | |||
JP2001047973A | 2001-02-20 | |||
JP2000215374A | 2000-08-04 | |||
JP2000103316A | 2000-04-11 | |||
JP2001010448A | 2001-01-16 | |||
JP2001018757A | 2001-01-23 | |||
JPH10238184A | 1998-09-08 | |||
JP2000224156A | 2000-08-11 | |||
JP2002542677A | 2002-12-10 |
WO2000062521A2 | 2000-10-19 |
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