一、序言随着信息时代的到来及通信技术的发展,人们对通信手段的要求愈来愈高。最明显的是要求提供能随时随地同任何人进行通信联络的系统无绳电话系统(CORDLESSTEL EP HONE SYSTEM WITH CONECTION DEVICE),简称C.T.S,就是实现这一目标的雏型。该系统开发于1965年,于1972年东京世界博览会上首次使用,图1示出了C.T.S.的系统框图。系统通过与有线电话并接的无绳接续器,把有 I. Preamble With the advent of the information age and the development of communication technologies, people have become increasingly demanding of means of communication. What is most obvious is the requirement to provide a CORDLESSTEL EP HONE SYSTEM WITH CONECTION DEVICE, referred to as C.T.S, which is the prototype for achieving this goal. Developed in 1965, the system was first used at the Tokyo World Expo 1972, and Figure 1 shows a system block diagram of C.T.S. The system has a cordless connector that connects to the wired telephone