DATA RECORDING METHOD, DATA REPRODUCING METHOD, DATA PROCESSING METHOD, DATA RECORDING DEVICE, DATA REPRODUCING DEVICE, DATA RECORDING/REPRODUCING DEVICE, AND DATA PROCESSING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a data recording/reproducing device and a data recording/ reproducing method capable of preventing illegal copying, easy reading of personal data, and the like. ;SOLUTION: In the recording medium data recording/reproducing method for recording/reproducing data by magnetism or light, for a prescribed ID sync pattern 107 which is a recognition pattern indicating the head of an ID area 103 for recording information on a sector or a block, an ID sync pattern obtained by an arithmetic operation using a value set from the outside is recorded and, during reproduction, reproducing by values other than the same set value as that during recording is inhibited.;COPYRIGHT: (C)2003,JPO