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.
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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 |
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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