automatic whistle

The locomotive automatic whistling system is developed based on communication platform of locomotive running monitor device.

利用机车运行监控装置通信平台开发了机车自动鸣笛系统,介绍了系统组成及软硬件的升级情况,实际运用证明这是一种防止行人伤亡的有效辅助设备。

An automatic whistle controller had been designed using EPROM with advantages of simple structure,timing accuracy and high reliability.

用EPROM存储器设计自动雾笛控制器,靠改变存储器数据容易实现各种不同的鸣笛周期和鸣笛时间要求,符合1972年《国际避碰规则》要求。