Head positioning servo for disk drives

Details Head positioning servo for disk drives Head positioning servo for disk drives

1983-08-04

1985-10-15

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 555

Patent

active

045478228

ABSTRACT:
There is disclosed herein a head positioning system for a disk drive for a computer utilizing a digital head positioning system with controlled acceleration profiles during both positive and negative acceleration. Non-volatile memory stores data regarding scheduled track crossings during a seek movement. These data are the times of actual track crossings and an error signal is generated to conform the actual head acceleration to the stored acceleration profile.

REFERENCES:
patent: 4333117 (1982-06-01), Johnson

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