Optical disc system, optical disc and recording method

Details Optical disc system, optical disc and recording method Optical disc system, optical disc and recording method

1997-02-10

1997-11-18

Dinh, Tan

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 48, 3692753, G11B 509

Patent

active

056894880

ABSTRACT:
An optical disc system, optical disc, and a recording method allow users to use increased data recording capacities on recording media. The optical disc system for recording data modulated according to a predetermined encoding restrictive length on an optical disc comprises switching means for selectively outputting synchronization control data composed of patterns having a period shorter than the encoding restrictive length and used for synchronization at a data readout time, or the recording data at predetermined time intervals. A recording area for the synchronization control data can be narrowed in a sector format by generating the synchronization control data and recording it on a medium as patterns having a period shorter than that of patterns modulated according to the predetermined encoding restrictive length.

REFERENCES:
patent: 4748611 (1988-05-01), Tsuyoshi et al.
patent: 5278815 (1994-01-01), Mashimo et al.
patent: 5623477 (1997-04-01), Shimada et al.

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