Apparatus which performs an ID operation simultaneously with a s

Details Apparatus which performs an ID operation simultaneously with a s Apparatus which performs an ID operation simultaneously with a s

1995-10-16

1998-08-18

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 50, G11B 502

Patent

active

057965340

ABSTRACT:
To increase the recording capacity of a magnetic disc, tracks of this magnetic disc are divided into a number of sectors, with each sector being formed from a number of segments. Each segment is basically made up of a data region and a servo region with data being recorded on the data region and a clock pattern which becomes the basis for generation of a clock, a fine pattern which becomes the basis for the tracking operation, and an access pattern which becomes the basis for a seek operation being recorded on the servo region. An ID region and servo region are formed before the data region and servo region which make up the leading segment with the sector ID for this region being recorded in this ID region. After this ID has been read from this ID region, while it is being determined whether or not this ID is the same as the designated ID, the servo operation corresponding to the servo control signal occurring in the servo region is carried out. In this way, the recording of data corresponding to the data in the data region can commence straight after the ID has been decided upon.

REFERENCES:
patent: 5073834 (1991-12-01), Best et al.
patent: 5235478 (1993-08-01), Hoshimi et al.
patent: 5278815 (1994-01-01), Mashimo et al.
patent: 5285327 (1994-02-01), Hetzler
patent: 5293276 (1994-03-01), Dunn et al.
patent: 5377178 (1994-12-01), Saito et al.
patent: 5477103 (1995-12-01), Romano et al.
patent: 5526202 (1996-06-01), Blagaila et al.

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