Magnetic recording and reproducing method using phase discrimina

Details Magnetic recording and reproducing method using phase discrimina Magnetic recording and reproducing method using phase discrimina

1993-03-24

1995-11-14

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

360 46, 360 51, 375229, G11B 5035, G11B 509, G11B 2710, H03H 730

Patent

active

054672325

ABSTRACT:
In a phase discrimination signal processing system in the signal reproduction of a magnetic recording and reproducing apparatus, instead of differentiation of a reproduced signal, amplitude discrimination automatic equalization is effected for an isolated waveform at a phase discrimination point corresponding to an isolated magnetization reversal reproduced by a magnetic head such that an amplitude at each discrimination time other than a peak point is zero to effect phase discrimination of the signal waveform.

REFERENCES:
patent: 3697689 (1972-10-01), Gibson
patent: 4872184 (1989-10-01), Yamaguchi et al.
patent: 4972276 (1990-11-01), Wadaya et al.
patent: 5008761 (1991-04-01), Nishiyama et al.
patent: 5068753 (1991-11-01), Kanegae

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