作者: Masahiro Honjo
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摘要: Disclosed is a video tape recorder capable of recording and reproducing signals with largely different frequency bands such as narrow band including NTSC signal wide represented by high definition television signal. In time axis expansion circuit, are expanded their divided into plural channels, the frequencies these channels lowered, at same time, widths heads set narrower than head width used when existing signals, thereby realizing reproduction identical rotating speed cylinder capstan. Or, increased for