家用录像机是七十年代中期开发出来的1/2英寸磁带录像机。该机采用了无保护带高密度记录技术(即方位角记录),虽然该机种图像质量较差(一般清晰度为250线左右),但因其体积小、价格低、功能较全、操作简单、录放时间长等优点而受到家庭用户的欢迎,同 Home video recorders were developed in the mid-seventies 1/2-inch tape recorders. The machine uses a high density without protection with recording technology (that is, azimuth recording), although the aircraft image quality is poor (general definition of about 250 lines), but because of its small size, low price, full function, operation Simple, long recording and other advantages of home users are welcome, with