| 发明名称 |
CONDITIONAL ACCESS SYSTEM |
| 摘要 |
A conditional access system in which entilement management messages (EMMs) sent to a receiver include transmission time information for future EMMs. The transmission time information is used at the receiver to control the receiver so that it is powered on only when required to receive the future EMMs. |
| 申请公布号 |
WO2005091635(A2) |
申请公布日期 |
2005.09.29 |
| 申请号 |
WO2005IB50644 |
申请日期 |
2005.02.22 |
| 申请人 |
NOKIA CORPORATION;PUPUTTI, MATTI |
发明人 |
PUPUTTI, MATTI |
| 分类号 |
H04N7/167 |
主分类号 |
H04N7/167 |
| 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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