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Broadcast / reception system and conditional access system therefor
Broadcast / reception system and conditional access system therefor
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机译:广播/接收系统及其条件接收系统
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摘要
There is disclosed a broadcast and reception system (100), comprising, at the broadcast end: a broadcast system (2008) including means for broadcasting a callback request, and at the reception end: a receiver (2020) including means for calling back the broadcast system in response to the callback request, wherein the broadcast system is arranged to validate said receiver via said callback request.
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