In the counting system, a semiconductor laser emitter is used as the light source, point laser beam produced by optic system, reflection of part transferred into electric signal by photoelectric triode, and SCM system as the counter.
英
美
- 采用半導體激光發(fā)射器作為光源，經(jīng)過(guò)光學(xué)系統形成的最小激光束照射器件，反射光由光電三極管進(jìn)行光電轉換，計數控制使用單片機系統。
