| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a theft detecting device which can be prevented from malfunction. SOLUTION: This device comprises: a human body sensor 1 which outputs a human body detection signal when detecting that a person approaches a vehicle; a timer 2 for counting a certain preset time from the time when the human body detection signal is output; a vibration sensor 3 which outputs a vibration detection signal when detecting vibration while the timer 2 is counting the certain time; a transmitting circuit 4 which outputs a theft detection signal when the vibration detection signal is output; and a control part 5 which controls the operation of each part.</p> |
