发明名称 Signal reproducing/recording/transmitting method and apparatus and signal record medium
摘要 A video signal reproduction system for receiving a video signal transmitted via a satellite communication link at a receiving device. A copy permission indicator is inserted in the received video signal. The copy permission indicator is generated on the basis of copy management information that has been appended to the video signal and detected by the system. The indicator is in the form of a multiple of coded bits which are arrayed at a pre-set position in the video signal and are operable to indicate a generation limitation on copying of the video signal.
申请公布号 US7039187(B2) 申请公布日期 2006.05.02
申请号 US20010885579 申请日期 2001.06.20
申请人 SONY CORPORATION 发明人 SAKO YOICHIRO;YONEYAMA SHIGEYUKI
分类号 H04N7/167;G11B20/00;H04N5/913 主分类号 H04N7/167
代理机构 代理人
主权项
地址