Read/write apparatus provided with head and sector address recog

Details Read/write apparatus provided with head and sector address recog Read/write apparatus provided with head and sector address recog

1997-10-23

2000-09-19

Kim, W. Chris

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 63, G11B 509, G11B 1512

Patent

active

061221228

ABSTRACT:
A sector address recognition part recognizes a sector address in a magnetic disk where ID areas for storing sector address information and head address information are omitted. This is accomplished by generating a sector pulse when a predetermined count is reached after a detection of a servo mark and when an interval between adjacent servo marks included in servo information that also includes cylinder address information is a preset interval. A head identifier recognition part recognizes a head identifier on the basis of, for example, positions at which the servo information is recorded.

REFERENCES:
patent: 5280462 (1994-01-01), Yokogawa
patent: 5581418 (1996-12-01), Hasebe

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