Method of recording and reproducing video and audio signals on a

Details Method of recording and reproducing video and audio signals on a Method of recording and reproducing video and audio signals on a

1984-11-27

1987-07-07

McElheny, Jr., Donald

Facsimile and static presentation processing

Facsimile

Recording apparatus

358330, 360 191, H04N 5782

Patent

active

046790977

ABSTRACT:
A magnetic recording and reproducing method, applicable to a magnetic recording and reproducing apparatus such as a video tape recorder. The method comprising the steps of recording a first signal in a magnetic layer of a magnetic tape by a first head, recording a second signal which is preferably a digital signal in a shallower portion of the first signal recorded magnetic layer by a second head having a different azimuth from that of the first head. The width of the shallower portion is preferably narrower than the width of the first signal recorded magnetic layer. The recorded first and second signals are reproduced by heads having different azimuth from each other, respectively, so as not to interfere with each other.

REFERENCES:
patent: 3846819 (1974-11-01), Warren
patent: 3925816 (1975-12-01), Kihara
patent: 3956769 (1976-05-01), Beecroft et al.
patent: 4296430 (1981-10-01), Warren
patent: 4380779 (1983-04-01), Kitamura et al.
patent: 4390906 (1983-06-01), Furumoto et al.
patent: 4542419 (1985-09-01), Morio et al.

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