Multitrack magnetic recording and reproducing device

Details Multitrack magnetic recording and reproducing device Multitrack magnetic recording and reproducing device

1987-06-22

1988-06-21

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

Splitting one information signal for recording on plural...

360 32, 360 63, 360 24, 371 39, G11B 509, G11B 2010, G11B 2018

Patent

active

047528400

ABSTRACT:
A multitrack magnetic recording and reproducing device of the type, which converts analog signals into digital signals and records and reproduces such converted data by splitting onto a plurality of tracks, comprises heads for both high and low recording densities such that track pitches corresponding to them are at an integral ratio. It includes a reproducing circuit having detecting-decision making means such as multiplexers which, when information recorded by a head for lower recording density is reproduced by corresponding heads for higher recording density, is adapted to determine whether any of the outputs from these heads is incorrect.

REFERENCES:
patent: Re30482 (1981-01-01), Whitlock
patent: Re31166 (1983-03-01), Korda
patent: 3761903 (1973-09-01), Bird, Jr. et al.
patent: 4282551 (1981-08-01), Kanazawa et al.
patent: 4298897 (1981-11-01), Arter et al.
patent: 4328580 (1982-05-01), Stockham Jr. et al.
patent: 4357702 (1982-11-01), Chase et al.
patent: 4382299 (1983-05-01), Dieterich
patent: 4486881 (1984-12-01), de Covasnon

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