Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1994-10-24
1999-03-02
Neyzari, Ali
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
369 48, 369 32, G11B 724, G11B 509
Patent
active
058780190
ABSTRACT:
A record carrier having at least two information volumes recorded thereon. The first volume includes control information for use in searching for information included in that volume. In one embodiment, the first volume further includes a reference to the control information included therein in a predetermined address range, and the second volume includes substitute control information for use in searching for information in the first and second volumes and a reference to the substitute control information. The reference to the substitute control information is accommodated in a recoverable substitute address range. A reading apparatus for such a record carrier transforms a request for access to sectors in the predetermined address range of the first volume into a request for access to sectors in the substitute address range of the second volume. A method and apparatus for recording information on such a record carrier is also disclosed. In other embodiments, the first and second volumes each include a lead-out signal denoting the end of the volume it is included in, and/or the second volume includes additional control information for searching for information included in the second volume (and, possibly, the first volume). If appropriate, the lead-out signal of the second information volume references (indirectly) the additional control information.
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ISO 9660 Standard.
"Compact Disc Interactive Full Functional Specification", published by NV Philips and Sony Corporation.
Dieleman Adrianus H.
Schepers Jos G.
Schylander Erik Christian
Westerhout Gerrit D.
Belk Michael E.
Neyzari Ali
U.S. Philips Corporation
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