发明名称 CONTENT DATA SUPPLY SYSTEM, CONTENT DATA SUPPLY DEVICE AND METHOD, CONTENT DATA REPRODUCTION DEVICE AND METHOD, AND PROGRAM
摘要 <P>PROBLEM TO BE SOLVED: To make it unnecessary for a user to perform any operation, and to quickly re-execute the download of content data, when downloading of the content data fails. <P>SOLUTION: A musical piece list file for purchase is provided as information to be used by a user terminal for downloading purchased content data and a license corresponding to this. For example, it is described by using XML. The musical piece list file for purchase includes content ID3 of all content data configuring a package to be purchased and a flag 3 of 0 or 1 indicating whether or not the content data have been downloaded. This invention can be applied to, for example, a home AV appliance. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2005332136(A) 申请公布日期 2005.12.02
申请号 JP20040149029 申请日期 2004.05.19
申请人 SONY CORP 发明人 MURASE YASUHIRO;IWAZU TAKESHI;SAKO NORIYUKI
分类号 G06F1/00;G06F15/00;G06F21/00;G06F21/10;G06F21/62;G06Q30/06;G06Q50/00;G10K15/02;H04N7/173;H04N21/2543;H04N21/442;H04N21/472 主分类号 G06F1/00
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