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给家用电器添色彩（一）给旧式彩色电视机增加频道预选装置中图分类法ＴＮ９４９．１２苏成富目前，拥有１４～１８英寸旧式彩色电视机的家庭为数不少。随着有线电视的发展，原有的８个频道显得不够使用。如果花二、三万元加装遥控器，尚嫌不合算，而且遥控器的制作与安装...
Adding Color to Home Appliances (A) Adding Channel Preselection Device to Old-style Color TV Settles TN949.12 Su Cheng-fu At present, there are a large number of families with 14-18 inch old-fashioned color TVs. With the development of cable television, the original eight channels are not enough to use. If you spend two or three million to install a remote control, it is not cost-effective, but also the remote control production and installation ...