发明名称 |
Method and device for checking validity period of certificate and method and device for displaying content information |
摘要 |
A method and a device for confirming a validity period of a certificate and a method and a device for displaying content information are provided. A certification error and displaying of wrong time information caused by wrong system time information can be prevented, and certification time can be reduced, by setting a system time for processing content on the basis of time information received from a content provider, confirming a validity period of a certificate for approval to access the content, and displaying content information.
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申请公布号 |
US2007223392(A1) |
申请公布日期 |
2007.09.27 |
申请号 |
US20060595886 |
申请日期 |
2006.11.13 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM KWANG-HYUK;KOH KWANG-HYUN;KIM YANG-SOO;PARK SUNG-JIN |
分类号 |
H04J1/16;H04N7/16 |
主分类号 |
H04J1/16 |
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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