| 摘要 |
<p>PURPOSE:To automatically check the number of passengers to take a bus. CONSTITUTION:Whether a condition for starting reading is set up or not is judged (P1), output values W1 to Wn outputted correspondingly to the height of an object from plural infrared sensors are read out (P2) repeatedly for a prescribed time t1 (P5) and the number N of peaks arriving at a prescribed peak level W is detected (P6). An output value WS generated around one of peaks is read out (P7), and when the output value WS is more than a prescribed level WM (P8), the object is counted as a person (P9).</p> |
