| 发明名称 |
METHOD FOR PROTECTING SECURITY DATA TRANSMITTED BY A SENDING DEVICE TO A RECEIVING DEVICE |
| 摘要 |
The invention relates to a method for protecting security data transmitted by a sender to a receiver involving the periodic transmission to said receiver, and in turn to said security data, of neutral data for preventing the filtering of said security data. |
| 申请公布号 |
EP2304944(A1) |
申请公布日期 |
2011.04.06 |
| 申请号 |
EP20090772576 |
申请日期 |
2009.07.17 |
| 申请人 |
VIACCESS |
发明人 |
CHEVALLIER, ANTHONY;PHIRMIS, MATHIEU |
| 分类号 |
H04N21/266;H04N7/16;H04N7/167;H04N21/4623 |
主分类号 |
H04N21/266 |
| 代理机构 |
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代理人 |
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