Magnetic head position detecting method and magnetic disk appara

Details Magnetic head position detecting method and magnetic disk appara Magnetic head position detecting method and magnetic disk appara

1996-10-23

1999-02-16

Tran, Thang V.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7707, 360 7814, G11B 5596

Patent

active

058726772

ABSTRACT:
A magnetic head position detecting method is provided in which a first and a second position detection signal representative of a particular position of a magnetic head with respect to a magnetic disk is obtained. The first and the second position detection signal preferably is obtained by utilizing a burst pattern formed on the magnetic disk. Subsequently, a third position detection signal is generated by multiplying the first and the second position detection signals by a predetermined gain so that the third position detection signal changes linearly. The particular position of the magnetic head is detected by using the third position detection signal. In addition, a magnetic disk apparatus implementing the magnetic head position detecting method is provided.

REFERENCES:
patent: 4816941 (1989-03-01), Edel et al.
patent: 5189571 (1993-02-01), Murphy et al.
patent: 5220468 (1993-06-01), Sidman
patent: 5510939 (1996-04-01), Lewis
patent: 5541785 (1996-07-01), Sasamoto et al.
patent: 5566034 (1996-10-01), Shumaker

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