Head position detecting method and disk device

Details Head position detecting method and disk device Head position detecting method and disk device

1997-09-22

2000-08-15

Loomis, Paul

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 75, 360 7814, G11B 509, G11B 2102, G11B 5596

Patent

active

061045594

ABSTRACT:
A noise component is eliminated from a servo signal recorded on a recording medium and read by a head. A number of times that a noise eliminated servo signal crosses zero-cross points is counted in order to determine an integration period based on the number of times. The noise-eliminated servo signal is integrated for the integration period, an integrated value thus obtained indicating a position of the head.

REFERENCES:
patent: 4577244 (1986-03-01), El-Sadi
patent: 5694265 (1997-12-01), Kosugi et al.

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