发明名称 |
CONTENT DISTRIBUTION METHOD AND CONTENT SERVER |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a content distribution method by which a user can efficiently acquire a protection release tool without wasting a time, to perform the reproduction of a content or the like. <P>SOLUTION: The content distribution method includes steps of; performing protection processing for protecting the copyright of the content; determining a use condition of the content; describing a first digital item which has the content or an address of the content and is capable of internally defining the other digital item or a second digital item internally defining the first digital item, in a digital item declaration form; packaging the first or second declared digital item; and distributing the first or second packaged digital item to a user terminal. Both declaration relating to protection processing and declaration relating to the use condition are described in the first digital item. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
申请公布号 |
JP2005141727(A) |
申请公布日期 |
2005.06.02 |
申请号 |
JP20040287192 |
申请日期 |
2004.09.30 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
SHEN MEI SHEN;JI MING;HUANG ZHONGYANG;SENOO TAKANORI |
分类号 |
G06F12/14;G06F21/60;G06F21/62;H04L9/08;H04L9/32;H04N7/173;H04N21/266;H04N21/835;H04N21/8358 |
主分类号 |
G06F12/14 |
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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