| 摘要 |
<p>PROBLEM TO BE SOLVED: To inexpensively provide a vehicle antitheft system by simplifying a route for transmitting information of a vehicle position to a user or a security company. SOLUTION: A switch 1 of a slave station device Y is turned on when a key of the vehicle is closed, a signal indicating the occurrence of abnormality is outputted from a sensor 3 when an engine starts in the lock state, an abnormality occurrence signal and a vehicle identifying signal from a vehicle identifying signal generating part 2 are transmitted from a radio LAN transmitter-receiver 5 to an AP in a communication zone, the AP attaches its own AP positional information to the signals and transmits the signals to a monitoring device square-shape through a communication network 8 such as telephone lines, the signals are inputted from a transmitting/receiving part 9, the vehicle identifying signal and an assigned AP position are registered in a storing part 11, simultaneously the information is transmitted from the transmitting/ receiving part to a user house warning device 12 or the security company 13 through the communication network such as the telephone lines, a warning signal is transmitted from the monitoring device to the slave station device via the AP through the communication network such as the telephone lines, and a warning sound is generated from a warning device 4 to prevent escape.</p> |
