发明授权
- 专利标题： Information-recording/reproduction apparatus, information-recording/reproduction methods, program-storing medium and programs
- 专利标题（中）： 信息记录/再现装置，信息记录/再现方法，程序存储介质和程序
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申请号： US10990020申请日： 2004-11-16
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公开(公告)号： US08037099B2公开(公告)日： 2011-10-11
- 发明人: Yoshikazu Takashima
- 申请人： Yoshikazu Takashima
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JPP2003-386787 20031117
- 主分类号： G06F7/00
- IPC分类号： G06F7/00 ; G06F17/30 ; G06F12/00
摘要：
An MIA containing file-system information is updated and a recording/reproduction block 53 records Main MIA containing the updated information in block B″1 in a free area on a recording medium. In addition, Main G1, Res.G1, Main G2, Res.G2 and G3, which form a group of files each serving as an object of group management, are recorded in block B″2. Furthermore, Res.MIA containing a backup of the file-system information is recorded in block B″3. By recording information in this way, the recording area of the recording medium can be used effectively. The present invention can be applied to an information-recording/reproduction apparatus for recording information serving as an object of the group management on the recording medium.
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