Method of controlling a disk head position by individually timin

Details Method of controlling a disk head position by individually timin Method of controlling a disk head position by individually timin

1987-05-29

1989-04-04

Faber, Alan

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7804, G11B 5596

Patent

active

048190950

ABSTRACT:
An information recording disk driving device includes an information recording disk having servo tracks formed at predetermined regions which include servo information. The driving device is configured to move a head assembly from a recording track for signal writing or reading to an associated one of the servo tracks in response to a servo information supplied at a predetermined time. An instruction from a controller or an instruction from a host computer to read the servo information from the servo track subsequently place the head assembly at the fine track position of the original recording track according to the detected servo information.

REFERENCES:
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patent: 4380033 (1983-04-01), Bacrania
patent: 4455583 (1984-06-01), Schultz
patent: 4524397 (1985-06-01), Chalmers et al.
IBM Technical Disclosure Bulletin, vol. 17, No. 6, Nov. 1974, "Correction of Data Track Misregistration in Servo Controlled Disk Files", A. Paton, pp. 1781-1783.
IBM Technical Disclosure Bulletin, vol. 19, No. 6, Nov. 1976, "Self-Calibrating Disk Storage Apparatus", D. E. Griffiths and H. E. Van Winkle, pp. 1991-1992.

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