Disclosed is a video tape recorder capable of recording and reproducing signals with largely different frequency bands such as narrow band signals including NTSC signal and wide band signals represented by high definition television signal. In a time axis expansion circuit, wide band signals are expanded...http://www.google.fr/patents/US4963991?utm_source=gb-gplus-shareBrevet US4963991 - Video tape recorder capable of recording both narrow band and wideband signals
Video tape recorder capable of recording both narrow band and wideband signals
