| 摘要 |
<p>Described is a device intended to prevent vehicles from being stolen, which is operated along with the mobile phone of the user, where the phone and the user are communicated to each other via Bluetooth signal, so that when the user is close to the vehicle and within the signal area, the system will work in a correct manner, but when signal is lost, either by the distance or interruptions, the vehicle will be stopped.</p> |
