Disk, recording device, reproducing device, recording method and

Details Disk, recording device, reproducing device, recording method and Disk, recording device, reproducing device, recording method and

1998-03-02

1999-05-11

Huber, Paul W.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

360 48, G11B5/09

Patent

active

059035323

ABSTRACT:
The present invention provides a disk for recording specified data having a plurality of helically formed track areas with one round of the circumferential direction of the disk as one track and a plurality of sector areas in which the plurality of track areas given track numbers added continuously from the outer peripheral direction of the disk are dividedly formed. The plurality of sector areas further include a plurality of data areas for storing the specified data and one parity sector for storing the parity of the specified data stored therein. The plurality of sector areas are given sector numbers added continuously from the starting positions of the track areas. In an information recording block having the plurality of sector areas included in the specified number of ones of the plurality of track areas, a plurality of parities recorded in the parity sector areas of these track areas are calculated by using different track and sector numbers.

REFERENCES:
patent: 4912695 (1990-03-01), Senshu
patent: 5077720 (1991-12-01), Takagi et al.
JIS 90 MM Rewrittable and Read-Only Optical Disk Cartridges, JISX6272, Sep. 1, 1992.

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