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.
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 代理人
主权项
地址