闭路电视信号分配器周兴华目前，城市中很多家庭都安装了闭路电视信号接收装置。但每户人家拥有的电视机有多有少，若连接不当，则往往适得其反，得不到好的接收效果。例如，其户人家有三台彩电分别放置在三间房内，其连接方式见图１，结果在接收节目时发现一台机子图像正... CCTV signal distributor Zhou Xinghua At present, many families in the city have installed CCTV signal receiving devices. However, each household has more or less the number of television sets, if not properly connected, it is often counterproductive, not good reception. For example, the households have three TV sets were placed in three rooms, the connection shown in Figure 1, the results found in the reception of a machine image ...