Reproducing method, reproducing apparatus, recording and...

Details Reproducing method, reproducing apparatus, recording and... Reproducing method, reproducing apparatus, recording and...

2007-06-26

2007-06-26

Tzeng, Fred F. (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

Reexamination Certificate

active

11147159

ABSTRACT:
A recording and reproducing apparatus includes: a recording section for recording an information signal in a magnetic recording medium in which a magnetic layer containing hexagonal ferrite is formed; and a reproducing section for reproducing the information signal recorded in the magnetic recording medium, the reproducing section including: a reproducing head for reading the information signal from the magnetic recording medium; and an equalizer for equalizing the information signal read from the magnetic recording medium, wherein in the equalized information signal, coefficients a, b, c, d of PR(1, a, b, c, d) meet conditions that 0.1≦a<2.0, −0.9≦b<−0.0, −2.0<c≦−0.3, and −1.0<d≦−0.1. A corresponding reproducing method, a corresponding reproducing apparatus, and the magnetic recording medium are also disclosed.

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