Invention Grant
- Patent Title: Playback device and management information acquiring method
- Patent Title (中): 播放设备和管理信息获取方法
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Application No.: US12053180Application Date: 2008-03-21
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Publication No.: US07969842B2Publication Date: 2011-06-28
- Inventor: Masaaki Yamamoto , Atsushi Ishimaru , Kenji Yorimoto
- Applicant: Masaaki Yamamoto , Atsushi Ishimaru , Kenji Yorimoto
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-126255 20070511
- Main IPC: G11B5/58
- IPC: G11B5/58

Abstract:
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.
Public/Granted literature
- US20080304383A1 PLAYBACK DEVICE AND MANAGEMENT INFORMATION ACQUIRING METHOD Public/Granted day:2008-12-11
Information query
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