发明名称 |
APPARATUS AND METHOD FOR EXECUTION MANAGEMENT OF MULTIPLE CONDITIONAL ACCESS SOFTWARE OBJECTS IN THE DOWNLOADING-BASED CONDITIONAL ACCESS SYSTEMS |
摘要 |
A receiver capable of conducting execution management of plural receiving control software objects in a downloading-based receiving limitation system and an execution management method are provided to drive a lot of receiving control software in one contents receiver, and to have a receiving limitation function for fast conversion between channels. A receiving control software manager(260) conducts overall management including downloading, execution, state control, and termination of a lot of receiving control software. A download unit(270) downloads the receiving control software from an external server according to a request of the manager. A demultiplexer(250) receives scrambled multimedia contents and a receiving control message, and delivers the message to the manager. A descrambler(210) receives a descrambling key extracted from the message by the receiving control software, and descrambles the scrambled multimedia contents.
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申请公布号 |
KR20090060912(A) |
申请公布日期 |
2009.06.15 |
申请号 |
KR20070127906 |
申请日期 |
2007.12.10 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
MOON, JIN YOUNG;KIM, JUNG TAE;PARK, JONG YOUL;PAIK, EUI HYUN;PARK, KWANG ROH |
分类号 |
H04N5/44;H04N7/08 |
主分类号 |
H04N5/44 |
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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