Magnetic storage devices with dynamic boost adjustment to reduce

Details Magnetic storage devices with dynamic boost adjustment to reduce Magnetic storage devices with dynamic boost adjustment to reduce

1993-10-12

1995-08-01

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data verification

360 65, 360 67, G11B 509, G11B 5035, G11B 502

Patent

active

054384621

ABSTRACT:
In a magnetic storage system, an error recovery is performed by reading the magnetic medium again with the filter programmed to a higher boost. If the retry still fails, the magnetic medium is read again with the filter programmed to a lower boost. The filter adjustment can be performed in combination with position adjustment of the read head, i.e. displacing the read/write head from the centerline of the track during error recovery to reduce read errors.

REFERENCES:
patent: 4786984 (1988-10-01), Seeman
patent: 4951282 (1990-08-01), Mester
patent: 5251077 (1993-10-01), Saitoh
patent: 5287225 (1994-02-01), Sukigara

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