发明名称 METHOD AND SYSTEM FOR SECURITY OF DATA TRANSMISSIONS
摘要 The described embodiments relate generally to data processing systems and methods for encoding and decoding of a subscription-based data service, such as a satellite or cable television service. These aspects are generally based on use of an encoding key by the service provider to encode the data prior to transmission and on a decoding key that is based on the encoding key and on a unique identifier of a particular target receiving device.
申请公布号 US2008008319(A1) 申请公布日期 2008.01.10
申请号 US20070780254 申请日期 2007.07.19
申请人 发明人 POIRIER JEAN-FRANCOIS
分类号 H04N7/167 主分类号 H04N7/167
代理机构 代理人
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