Servo sector allocation for high sampling rate

Details Servo sector allocation for high sampling rate Servo sector allocation for high sampling rate

1996-09-03

1999-08-10

Hindi, Nabil

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7708, G11B 509

Patent

active

059367903

ABSTRACT:
A servo sector allocation scheme for a disk based data storage system is disclosed that realizes an increased servo sampling rate without an associated increase in overhead. The scheme involves increasing the number of servo sectors on a subset (preferable one) of the disk surfaces in the disk drive while reducing the number on all remaining disk surfaces. A master servo feedback signal is then derived from the highly populated surface(s) and a slave servo feedback signal is derived from the surface that is being accessed. The master and slave servo feedback signals are then combined to form a single position error signal that is used to control the positioning of an appropriate transducer.

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patent: 5117408 (1992-05-01), Weispfenning et al.
patent: 5153787 (1992-10-01), Sidman

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