发明名称 MULTIPLE SELECTIVE ENCRYPTION WITH DRM
摘要 <p>A method of re-encrypting a digital television signal, involves receiving an encrypted digital television signal at a gateway television set top box; decrypting the digital television signal, re-encrypting the digital television signal using a Digital Rights Management (DRM) system that is compatible with a first target appliance that is to receive the digital television signal; and sending the re-encrypted digital television signal to the first target appliance over a home network. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.</p>
申请公布号 EP1712083(A2) 申请公布日期 2006.10.18
申请号 EP20040813491 申请日期 2004.12.10
申请人 SONY CORPORATION;SONY ELECTRONICS, INC. 发明人 CANDELORE, BRANT, L.
分类号 H04N7/167 主分类号 H04N7/167
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