OPTICAL DISK, COPY PREVENTIVE METHOD, AND RECORDABLE OPTICAL DISK

摘要

So as to prevent from illegally copying and illegally reproducing data with reliability, a ROM disk (100) comprises: a data area where data to be reproduced is recorded; and a PEP area where the information necessary to reproduce the data recorded in the data area is recorded in the form of the zonal pit rows (11), and a recordable optical disk (200) records a signal which prevents from recording the zonal pit rows (11) into the area which is equivalent to the PEP area of the ROM disk (100), of the recordable optical disk (200).