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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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