摘要
介绍了一种利用公用电话网传输时间信息的系统。他采用单片机控制 ,具有定时拨号、自动接听的功能 ,可以在没有人员参与的情况下完成授时过程。
This thesis describes a system which transfers time data on Public Switched Telephone Network(PSTN). The system is controlled by single chip. It has the function of time dialing, accepting a call and giving time automatically.
出处
《现代电子技术》
2005年第6期99-101,共3页
Modern Electronics Technique
