Recording medium recording medium reproduction method recording medium reproduction device unique identification recording method and recording medium recording device

摘要

Disclosed is an optical disc in which an area for recording the identification information proper to a recording medium may be provided in a location not obstructive to increasing the recording capacity without complicating the mechanism or processing for readout. To this end, a recording area for the identification information UID (unique ID), as the information proper to the disc, is provided inwardly of an area divided into 16 sectors, namely a sector 0 to a sector 15.