发明名称 |
METHOD FOR CONTROLLING A CONSUMPTION LIMIT DATE OF DIGITAL CONTENTS, DEVICE FOR CONSUMING SUCH CONTENTS, MEANS OF CONTROLLING CONSUMPTION AND SERVER DISTRIBUTING SUCH CONTENTS |
摘要 |
This invention relates to a method for controlling the consumption limit date of a digital content which is transferred from distribution means (100) to a consuming device (120) during a temporary connection to be consumed on that device until the limit date, the distribution means (100) having a clock (104), called a reference clock, the value of which at each instant is called the true date. According to this invention, each time the consuming device connects to the distribution means (100), a signal including the true date is transmitted from the distribution means (100) to the consuming device (120) by a secured method to verify that the consumption limit date is not exceeded. |
申请公布号 |
KR20080028894(A) |
申请公布日期 |
2008.04.02 |
申请号 |
KR20077030905 |
申请日期 |
2006.06.30 |
申请人 |
THOMSON LICENSING |
发明人 |
SHAO JIANG;ANDREAUX JEAN PIERRE;DIASCORN JEAN LOUIS |
分类号 |
G06F15/16;G06F21/10;G06F21/72 |
主分类号 |
G06F15/16 |
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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