发明名称 METHOD FOR VERIFYING TELEVISION RECEIVER SETS WITH ACCESS CONTROL AND CORRESPONDING RECEIVER SET
摘要 <p>The invention concerns a method for verifying television receiver sets with access control and a corresponding receiver set. The invention is characterized in that a broadcaster performs parametered calculations, for example through the subscriptions and the characteristics of the receiver sets. The results of said calculations are transmitted to the receiver set which store them. In order to verify a receiver, the broadcaster transmits thereto the parameter(s) used, the receiver performs the calculation and compares the result it obtains with that which it has stored. In case of non-conformity, the receiver set modifies its operating conditions. The invention is applicable to television with access control.</p>
申请公布号 EP1438855(B1) 申请公布日期 2013.12.04
申请号 EP20020796829 申请日期 2002.10.25
申请人 NAGRA FRANCE SAS 发明人 DAUVOIS, JEAN-LUC
分类号 H04N7/16;H04N21/6334;H04L9/00;H04N21/258;H04N21/418;H04N21/442;H04N21/4623;H04N21/6543 主分类号 H04N7/16
代理机构 代理人
主权项
地址