1977年呼和浩特铁路局呼和浩特车站与内蒙古大学协作,试制成功了“液晶显示列车到达预告牌”。这是一种向旅客预告列车到达情况的现代化服务设备,可同时显示三趟到达列车车次,预计到站时刻和停靠站台。是由一台主机控制,在候车室、售票所、问事处、出站口等处同时显示。 Hohhot Railway Hohhot Railway Station in 1977 and Inner Mongolia University collaboration, trial success of the “LCD train arrival notice.” This is a modern service equipment that notifies passengers of the arrival of trains. It also shows three train arrivals, estimated arrival times and stops. Is controlled by a host, in the waiting room, ticket office, ask the Department, the station at the same time at the show.