Head position control system

Details Head position control system Head position control system

1986-11-12

1989-02-28

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7708, 360 9801, G11B 5596, G11B 2728

Patent

active

048091200

ABSTRACT:
A plurality of reference information regions on disc surfaces are displaced from each other on respective disc surfaces with respect to spatial relative positions of heads corresponding to respective disc surfaces. During one rotation of the discs, reference information is read out from the regions mutually displaced on the surfaces of a plurality of discs. Every time that the reference information is read out, a deviation of each head from a normal or proper head position in relation to a specific track is detected, so that in response to a deviation thus detected, a position of each head is corrected.

REFERENCES:
patent: Re32075 (1986-01-01), Harrison et al.

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