Recording medium having improved servo compensation and method f

Details Recording medium having improved servo compensation and method f Recording medium having improved servo compensation and method f

1996-03-29

1998-09-29

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 7708, 360 7814, G11B 509

Patent

active

058153322

ABSTRACT:
A mechanism for compensating the servo data in a disk storage drive is provided. On each recording surface of a disk, a plurality of servo regions are diametrally formed in data regions along the diametral direction of the disk. In the servo region, a gray code (cyclic binary code) representing the address of a data track is recorded so as to correspond to the data track, and a burst pattern as a signal for positioning the head on the track are recorded. In the data track region, tracks are formed at a predetermined pitch P and in the tracks, a plurality of data is recorded. ID (Identification) is the identification information of the individual data. A servo compensation signal region is formed at a position sandwiched by the data region and the servo region known as the write recovery area. This is to compensate the servo signal in the servo region, thereby to enable error recovery when a read error or the like occurs in the servo region.

REFERENCES:
patent: 4912576 (1990-03-01), Janz
patent: 5027234 (1991-06-01), Kawahara
patent: 5073833 (1991-12-01), Best et al.
patent: 5073834 (1991-12-01), Best et al.
patent: 5689384 (1997-11-01), Albrecht et al.

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