发明名称 |
DETERMINING VALIDITY OF SUBSCRIPTION TO USE DIGITAL CONTENT |
摘要 |
Some embodiments provide a method for determining whether a subscription for using digital content on a user device has elapsed. The method compares a first collision free image of a first set of entities in the user device with a second collision free image for a second set of entities in the user device at a second instance in time. Based on the comparison, the method determines whether the subscription has elapsed. |
申请公布号 |
EP3093782(A1) |
申请公布日期 |
2016.11.16 |
申请号 |
EP20160158631 |
申请日期 |
2007.05.09 |
申请人 |
APPLE INC. |
发明人 |
FARUGGIA, AUGUSTIN J.;FASOLI, GLAMPAOLO |
分类号 |
G06F21/00;G06F21/10 |
主分类号 |
G06F21/00 |
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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