发明名称 |
METHOD FOR CONTROLLING COPY PROTECTION IN DIGITAL VIDEO NETWORKS |
摘要 |
PURPOSE: An apparatus and system is provided to control copy protection of analog and digital signal in digital delivery network. CONSTITUTION: Video service providers(3) is authorized by the rights holders to copy protection to program materials protected by pay per view(PPV) or pay to tape(PTT) and supplying PPV/PTT program via respective control billing(tracking) centers in generating commands which activate, control and reconstitute copy protection process being applied to the programs being transmitted. A set top box(10) is provided to each consumer and containing a digital encoder chip applying selected anticopy waveforms to the analog and video signal. Video service providers report usage data to each consumer transmitted by a set top box to the respective rights holders and process.
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申请公布号 |
KR20000005427(A) |
申请公布日期 |
2000.01.25 |
申请号 |
KR19987008184 |
申请日期 |
1998.10.01 |
申请人 |
MACROVISION CORPORATION |
发明人 |
WONFOR, PETER, J;NELSON, DEREK |
分类号 |
H04N5/91;H04H20/00;H04N5/00;H04N5/913;H04N7/08;H04N7/081;H04N7/16;H04N7/173;H04N21/254;H04N21/418;H04N21/4405;H04N21/442;H04N21/4623;H04N21/4627;H04N21/472;H04N21/475;H04N21/658;(IPC1-7):H04N5/913 |
主分类号 |
H04N5/91 |
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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