1前言作为克服收视困难对策而兴起的有线电视(CATV)。在日本从开始到现在已走过了50多年的历程。现在的CATV不仅有电视广播,还可提供因特网业务和各种通信服务。其具有作为地区不可或缺的信息通信业者的一个侧面。本文将据日刊“卫星与CATV”的相关文章对日本CATV通信业务的历史和网络构成要素以及今后期待的技术动向作一介绍,供国内同行参考。 1 Introduction Cable TV (CATV) is emerging as a countermeasure against TV viewing. In Japan from the beginning to the present has gone through more than 50 years of history. Now CATV not only has television broadcasting, but also provides Internet business and various communication services. It has one aspect of being an indispensable information and communications carrier in the region. This article will be based on the Japanese magazine “Satellite and CATV” articles related to Japan’s CATV communications business history and network elements and future expectations of technology trends for an introduction for domestic counterparts.