Servo information write method, servo control method, data...

Details Servo information write method, servo control method, data... Servo information write method, servo control method, data...

2006-03-28

2006-03-28

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S051000

Reexamination Certificate

active

07019933

ABSTRACT:
A servo system wherein a read head R detects a servo pattern that is written on a magnetic disk by a write head W. Position control of the write head W is exercised in accordance with the detected servo pattern, and the read head R detects a propagation pattern that is written on the magnetic disk by the write head W. Position of the write head W is corrected in accordance with the detected propagation pattern.

REFERENCES:
patent: 5612833 (1997-03-01), Yarmchuk et al.
patent: 6707632 (2004-03-01), Raphael et al.
patent: 2002008331 (2002-01-01), None

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