Digital recording/reproducing method in which digital control co

Details Digital recording/reproducing method in which digital control co Digital recording/reproducing method in which digital control co

1992-04-28

1994-03-22

Pascal, Robert J.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 27, 360 61, G11B 1512, G11B 502

Patent

active

052969770

ABSTRACT:
A digital recording and reproducing method and system by which a desired control code can be recorded onto and reproduced from an analog record tape to improve the operability in reproduction of such analog record tape. A fixed head unit is used which has a first track face on which an analog head is provided and a second track face on which a plurality of digital heads are provided. Upon analog reproduction or recording onto or from one of a pair of analog tracks of a tape by means of the analog head, a desired control code is digitally recorded onto a non-recorded gap portion of the other analog track using a particular one of the digital heads. Then, upon analog reproduction by the analog head, the digitally recorded control code is read out from the tape using the digital heads.

REFERENCES:
patent: 4121264 (1978-10-01), Kishi et al.
patent: 4583134 (1986-04-01), Nakamichi
IBM Technical disclosure Bulletin vol. 15, No. 6, Nov. 1992.

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