The sensor uses infrared emitter and infrared phototransistor produced by SIEMENS to compose the infrared emission circuit and receiving circuit, and disposes receiving signal by single chip.

• 该传感器采用西门子公司生产的红外发射管和红外接收管,组成红外光发射电路和红外光接收电路,并用单片机处理接收到的信号。