发明授权
- 专利标题： Playback device and management information acquiring method
- 专利标题（中）： 播放设备和管理信息获取方法
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申请号： US12053180申请日： 2008-03-21
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公开(公告)号： US07969842B2公开(公告)日： 2011-06-28
- 发明人: Masaaki Yamamoto , Atsushi Ishimaru , Kenji Yorimoto
- 申请人： Masaaki Yamamoto , Atsushi Ishimaru , Kenji Yorimoto
- 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： JP2007-126255 20070511
- 主分类号： G11B5/58
- IPC分类号： G11B5/58
摘要：
A playback device includes a reading section that performs reading from a recording medium, and a control section that acquires the latest temporary management information recorded last on the recording medium. The control section executes a read control process of controlling the reading section so that when reading pointer information in a temporary management information unit recorded last in a temporary management information unit recording area, reading of data is executed from a predetermined position located before a segment in which the pointer information is included, and an information acquiring process of executing a process for acquiring the temporary management information pointed to by the pointer information from the data read in response to the read control process.
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