| 发明名称 |
BROADCAST AND RECEPTION SYSTEM, AND CONDITIONAL ACCESS SYSTEM THEREFOR |
| 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. |
| 申请公布号 |
EP0974229(B8) |
申请公布日期 |
2007.02.14 |
| 申请号 |
EP19970921751 |
申请日期 |
1997.04.25 |
| 申请人 |
NAGRA THOMSON LICENSING;NAGRAVISION S.A. |
发明人 |
BAYASSI, MULHAM;DE LA TULLAYE, PIERRE;JEZEQUEL, JEAN-FRANCOIS |
| 分类号 |
G06F9/445;G06F9/06;G06F9/46;G06F9/48;G06F11/00;G06F11/08;G06F11/10;G06F11/14;G06F11/26;G06F11/28;G06F12/00;G06F12/02;G06F13/00;G06F13/10;G06F15/16;G06F21/24;G06K17/00;G06K19/00;G06K19/07;G06Q20/00;G06T9/00;G07F7/00;G07F7/10;G09C1/00;G11C8/06;G11C16/02;G11C16/10;H04B1/713;H04H20/02;H04H40/00;H04L1/00;H04L9/10;H04L9/32;H04L12/16;H04L12/56;H04L13/08;H04L29/06;H04L29/10;H04N;H04N5/00;H04N5/222;H04N5/44;H04N5/455;H04N7/14;H04N7/16;H04N7/167;H04N7/173;H04N7/26;H04N7/52;H04N7/66;H04N17/00;H04N17/04;H04N21/2347;H04N21/235;H04N21/236;H04N21/254;H04N21/2543;H04N21/258;H04N21/266;H04N21/426;H04N21/434;H04N21/435;H04N21/4367;H04N21/4405;H04N21/442;H04N21/443;H04N21/462;H04N21/4623;H04N21/472;H04N21/478;H04N21/4782;H04N21/61;H04N21/6332;H04N21/6334;H04N21/6377;H04N21/658;H04N21/81;H04Q11/00 |
主分类号 |
G06F9/445 |
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