- 专利标题: INFORMATION RECORDING MEDIUM, RECORDING APPARATUS, REPRODUCTION APPARATUS, RECORDING METHOD AND REPRODUCTION METHOD
-
申请号: US11926571申请日: 2007-10-29
-
公开(公告)号: US20080062834A1公开(公告)日: 2008-03-13
- 发明人: Yoshihisa Takahashi , Motoshi Ito , Hiroshi Ueda
- 申请人: Yoshihisa Takahashi , Motoshi Ito , Hiroshi Ueda
- 专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人: Matsushita Electric Industrial Co., Ltd.
- 优先权: JP2002-079593 20020320
- 主分类号: G11B5/09
- IPC分类号: G11B5/09
摘要:
An information recording medium is provided that includes a data area for recording user data and a defect management area for recording a defect list for managing N number of defect areas existing in the data area, where N is an integer satisfying N≧0. The defect list includes two or more blocks, and further includes a header located at a fixed position in the defect list and N number of defect entries, located subsequent to the header, including position information on the respective positions of the N number of defect areas. An anchor is located subsequent to the defect entries, and the header includes first update times information representing the number of times that the defect list has been updated. The anchor includes second update times information representing the number of times that the defect list has been updated.