发明名称 |
Content reproducing apparatus and content reproducing method |
摘要 |
A communication system is disclosed which permits data communication between a server apparatus and a client apparatus over a network. The server apparatus includes a time information managing means which manages time information and which transmits the time information to the client apparatus. The client apparatus includes a time storing means which receives the time information from the server apparatus, which stores the received time information, and which is tamper-proof. |
申请公布号 |
US8645533(B2) |
申请公布日期 |
2014.02.04 |
申请号 |
US201113301215 |
申请日期 |
2011.11.21 |
申请人 |
KURIYA SHINOBU;SONY CORPORATION |
发明人 |
KURIYA SHINOBU |
分类号 |
G06F12/14;G06F15/16;G06F13/00;G06F21/62;G06F21/75;G06F21/86;G06Q50/00;G06Q50/10;H04L29/06 |
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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