发明名称 Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting method
摘要 An information signal reproducing apparatus for reproducing an information signal from a recording medium on which the information signal, including added copy control information is recorded, comprising a first detector for detecting whether the information signal read out from said recording medium is encrypted or not-encrypted and for producing an output representative thereof; a second detector for detecting said copy control information from the information signal read out from the recording medium and for producing an output representative thereof; and a controller for selectively restricting reproduction of the information signal based on the outposts of the first detector and the second detector.
申请公布号 US7031942(B2) 申请公布日期 2006.04.18
申请号 US19990328241 申请日期 1999.06.08
申请人 SONY CORPORATION 发明人 OGINO AKIRA;KIMURA YUJI;EZAKI TADASHI;KORI TERUHIKO
分类号 H04N5/91;G06F21/10;G09C5/00;G11B20/00;G11B20/10;H04L9/18 主分类号 H04N5/91
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