Recording medium, recording apparatus and recording method

Details Recording medium, recording apparatus and recording method Recording medium, recording apparatus and recording method

2004-04-30

2008-09-09

Tran, Thang V. (Department: 2627)

Dynamic information storage or retrieval

Systems having plural physically distinct independent tracks...

Having layered storage medium

Reexamination Certificate

active

07423952

ABSTRACT:
A recording medium of the recordable type in the form of a multi-layer disc or the like which is improved in compatibility and feasibility in use and a recording apparatus and a recording method ready for the recording medium are disclosed. A region for recording interlayer folding back position information is set on the recording medium (for example, “End sector number in Layer0” or a session item type3). In response to a fact that recording on a certain recording layer reaches a maximum recording range or that data recording advances from a certain recording layer to a next recording layer, interlayer folding back position information is recorded on the recording medium. This signifies that such recording is performed when advancement of the data recording to another recording layer is performed at a stage prior to disc closing or session closing or when it is predicted that such advancement of the data recording occurs soon. Also where the disc is of the type for which multi-session recording is performed, interlayer folding back position information is recorded with regard to a session in which folding back is performed.

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“Standard ECMA-267, 3rdEdition: 120 mm DVD-Read-Only Disk”, ECMA. Standardizing Information and Communication Systems, No. 272, XP-002186785, Apr. 2001, pp. 1-85.

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