发明授权
- 专利标题: Write-once information recording medium, information recording apparatus, information recording method, information reproducing apparatus and information reproducing method
- 专利标题(中): 一次写入信息记录介质,信息记录装置,信息记录方法,信息再现装置和信息再现方法
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申请号: US12747273申请日: 2009-12-25
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公开(公告)号: US08264927B2公开(公告)日: 2012-09-11
- 发明人: Yoshihisa Takahashi , Motoshi Ito
- 申请人: Yoshihisa Takahashi , Motoshi Ito
- 申请人地址: JP Osaka
- 专利权人: Panasonic Corporation
- 当前专利权人: Panasonic Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: Renner, Otto, Boisselle & Sklar, LLP
- 优先权: JP2009-001002 20090106
- 国际申请: PCT/JP2009/007250 WO 20091225
- 国际公布: WO2010/079572 WO 20100715
- 主分类号: G11B7/00
- IPC分类号: G11B7/00
摘要:
According to the present invention, multiple space bitmaps (SBMs #0 and #1 30) are provided for the user data area of each recording layer. A disc management structure update unit including one of those space bitmaps and a disc definition structure (TDDS 32) and having a size of one block is written on a management information area (TDMA 17). As a result, data including the disc definition structure (TDDS 32) can always be arranged in the first block at the top of the management information area (TDMA 17).
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