Head position recognition method, a speed calculation method, an

Details Head position recognition method, a speed calculation method, an Head position recognition method, a speed calculation method, an

1992-05-14

1995-01-17

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7804, 360 7708, 369 4428, G11B 5596, G11B 700

Patent

active

053830687

ABSTRACT:
A head position recognition method, a speed calculation method, and a head movement speed control device which provide for an overall improvement in storage device performance without increasing the seek time of the data head. Discrete servo sectors are provided circumferentially to the recording medium, four servo patterns with a minimum repeat cycle of 24 tracks are written into each servo sector. The range of the head seek distance that should be obtained at the current servo sector is estimated based on the previously calculated head seek distance, and the calculated head seek speed is corrected to the true head seek distance.

REFERENCES:
patent: 4032984 (1977-06-01), Kaser et al.
patent: 4499511 (1985-02-01), Sugaya

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