METHOD AND DEVICE FOR RECORDING AND/OR PLAYING BACK DATA ONTO/FROM WRITE-ONCE DISC, AND WRITE-ONCE DISC TO THIS END

摘要

FIELD: information technology. ^ SUBSTANCE: device for recording/playing back data onto/from a write-once disc and a write-once disc are proposed. The disc has at least one recording layer. The layer has several update regions and at least one access information region. Access information indicates the update region in which final updated information is recorded. ^ EFFECT: access information enables fast identification of the update region in which final updated information is recorded among several update regions. ^ 13 cl, 12 dwg