摘要
介绍了LED可变信息标志系统如何实现维护,在高速公路上使用的LED可变信息标志出现故障时,及时有效地得到修复,从而达到降低维护费用的目的。
The paper introduces how the system for variable information sign LED realizes safeguard, namely as it produces accident during service on freeway, it will timely and effetively conduct self--repairing and achieve a goal lowering the safeguard expenses.
出处
《北方交通》
2008年第10期88-89,共2页
Northern Communications
关键词
LED
可变信息标志
维护
LED
Variable information sign
Safeguard
