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.
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
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