发明名称 |
Content reproduction apparatus, content reproduction method, content management apparatus, content management method and computer program |
摘要 |
A content reproduction apparatus and method is disclosed which can manage a use state for each one, two or more tracks included in a content and perform prescribed updating irrespective of the number of tracks reproduced in an overlapping relationship, with the following configuration. The content reproduction apparatus includes: a track selection section operable in response to a reproduction request of a content for selecting a track or tracks; a status ID reading section reads a status ID from the selected track; a license extraction section extracts a license corresponding to the status ID; a status information extraction section extracts, when the extracted license includes a use limitation condition, the status information corresponding to the status ID; and a license decision section decides whether or not the use state of the status information satisfies the use limitation condition of the license.
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申请公布号 |
US2005281163(A1) |
申请公布日期 |
2005.12.22 |
申请号 |
US20050144943 |
申请日期 |
2005.06.06 |
申请人 |
SONY CORPORATION |
发明人 |
SAEKI KEIKO;NAGANO MOTOHIKO;SAKAMOTO TAKAHIRO |
分类号 |
G06F21/00;G11B20/00;G11B27/30;(IPC1-7):G11B5/09;G11B7/00 |
主分类号 |
G06F21/00 |
代理机构 |
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代理人 |
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主权项 |
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