Recording method of servo information

Details Recording method of servo information Recording method of servo information

1993-05-05

1995-11-07

Epps, Georgia Y.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 53, 360 7705, G11B 2102

Patent

active

054651824

ABSTRACT:
After servo information for positioning is written onto a magnetic disk medium on a track unit basis by a head, the servo information of the same track is read out and stored into a memory. Subsequently, during the seeking operation to move the head to the next track, the servo information at a time point when the head is on-tracked is arithmetically operated from the preceding read-out servo information stored in the memory and the present read-out servo information and the quality is verified.

REFERENCES:
patent: 4238809 (1980-12-01), Fujiki et al.
patent: 4414589 (1983-11-01), Oliver et al.
patent: 4516162 (1985-05-01), West
patent: 4531167 (1985-07-01), Berger
patent: 4631606 (1986-12-01), Sugaya
patent: 4797754 (1989-01-01), Sugano et al.
patent: 5184341 (1993-02-01), Hamasaka et al.
patent: 5202802 (1993-04-01), Sidman

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