ANTI-THEFT DEVICE, MONITORING DEVICE AND ANTI-THEFT SYSTEM TO INCREASE DETECTING ACCURACY OF ILLEGAL INVADER INTO VEHICLE

摘要

PURPOSE: An anti-theft device, a monitoring device and an anti-theft system are provided to increase the detecting accuracy of an illegal invader into a vehicle and to improve the crime prevention property. CONSTITUTION: A device checks an existence of an approached object(T) to a vehicle(M) based on information from a neighboring monitoring sensor(93). The neighboring monitoring sensor monitors the neighboring of the vehicle. A device decides that the approached object to the vehicle is an unfamiliar person when the approached object to the vehicle exists. A device lights an indicator(38) when the approached object is decided as the unfamiliar person.