Recording layer identifying data in a multi-layer recording medi

Details Recording layer identifying data in a multi-layer recording medi Recording layer identifying data in a multi-layer recording medi

1996-09-05

1998-11-03

Hindi, Nabil

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 58, 369 54, 369 32, 369 94, G11B 700

Patent

active

058319662

ABSTRACT:
A table a management region on the disc contains a disc identifier that represents the type of the data recording format of the disc, a number-of-disc-sides identifier that represents whether the disc is a single-sided disc or a double-sided disc, and a disc side identifier that represents whether the reproducing disc is side A or side B of a double-sided disc. A disc identifier 4 that represents the type of the data recording format of the file is recorded in a file (n) table including management information of the file. A reproducing apparatus reads the disc identifiers and from the table and the file (n) table and determines whether or not the disc and the file are reproducible. In addition, the reproducing apparatus reads the number-of-disc-sides identifier from the table and determines whether or not the disc is a double-sided disc or a single-sided disc. When the disc is a double-sided disc, the reproducing apparatus determines whether the reproducing side is side A or side B.

REFERENCES:
patent: 2670058 (1954-02-01), Landrum
patent: 2871713 (1959-02-01), House
patent: 2981379 (1961-04-01), Burrell
patent: 5381401 (1995-01-01), Best et al.
patent: 5428597 (1995-06-01), Satoh et al.
Patent Abstracts of Japan, vol. 12, No. 494 (P-805) Dec. 1988 re JP-A-63 204552.
Patent Abstracts of Japan, vol. 17, No. 596 (P-1636) Oct. 1993 re JP-A-05 174389.

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