Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1994-12-02
1997-01-07
Hindi, Nabil Z.
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
369 48, G11B 724
Patent
active
055924654
ABSTRACT:
In a disc recording method in which a disc on which servo control data is recorded in advance in alignment with a radial direction is divided into a plurality of zones in the radial direction and digital data having different clock rates are recorded on every zone, reference data for detecting the quality of a recording signal is recorded on a whole recording data area of one segment segmented by at least said servo control data. Therefore, the reproduction of data recorded in the zone-recording fashion can be controlled with ease in any zone.
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Patent Abstracts of Japan vol. 8, No. 1 (p-246) (1438) Jan. 6, 1984 & JP-A-58 166 538 (Hitachi Seisakusho K.K.) Oct. 1, 1983 * abstract *.
Sako Yoichiro
Watanabe Tetsu
Yamagami Tamotsu
Hindi Nabil Z.
Sony Corporation
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