发明名称 |
METHOD AND SYSTEM FOR SELECTIVELY PROVIDING ACCESS TO CONTENT |
摘要 |
A method of operating a digital program playback device, including: receiving, via a first communications network, a data stream including an encrypted data portion representative of a program; identifying, from the received data stream, an identifier associated with the program; transmitting the program identifier and a device identifier associated with the digital program playback device to an authorization device via a second communications network; receiving, via the second communications network, a decryption key in response to the transmission; and, decrypting the data stream using the decryption key and generating an output signal for playback of the program. |
申请公布号 |
WO2005104000(A3) |
申请公布日期 |
2006.01.05 |
申请号 |
WO2005US09055 |
申请日期 |
2005.03.17 |
申请人 |
THOMSON LICENSING S.A.;DERRENBERGER, MIKE, ARTHUR |
发明人 |
DERRENBERGER, MIKE, ARTHUR |
分类号 |
G06F21/00;H04N5/00;H04N5/913;H04N7/167 |
主分类号 |
G06F21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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