| 摘要 |
<p>In an information recording medium (1) including a plurality of sector fields (SF) and having various pieces of information recorded in the sector fields, the header field in each sector field includes a first field (VFO1, VFO2) in which a continuously repeated pattern complying with the run length limitation in the predetermined range is recorded, a second field (AM) in which an address mark including a violation pattern different from a reproduced pattern obtained by reproducing the repeated pattern when a defective pit which cannot be recognized as a pit is included in pits representing the repeated pattern is recorded, the violation pattern exceeding the run length limitation in the predetermined range, and a third field (PID1, PID2, PID3, PID4) in which address data is recorded. <IMAGE></p> |
