发明名称 DIGITAL INFORMATION RECORDING AND REPRODUCING METHOD AND DIGITAL INFORMATION RECORDING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a device and a method which realize limitation of recording of digital information having copyright to be protected, onto a recording medium in a recording and reproducing device. SOLUTION: In an information recording and reproducing device, information includes copy control information. A recording and reproducing control circuit controls a recording circuit and when the copy control information is (Copy One Generation), records the digital information together with digital information which is converted to a preset bit rate, onto the recording medium. The recording and reproducing control circuit controls a disable operation in accordance with detected copy control information, and when the copy control information is (Copy No More) and nonetheless the information is to be moved to another medium of the recording device connected to a reproducing device, a disabling circuit makes information signals nonnreproducible. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006114091(A) 申请公布日期 2006.04.27
申请号 JP20040298333 申请日期 2004.10.13
申请人 HITACHI LTD 发明人 NONAKA TOMOYUKI;SASAMOTO MANABU;OKAMOTO HIROO
分类号 G11B20/10;G06F21/24;G11B20/12;G11B27/34;H04N5/91;H04N5/92 主分类号 G11B20/10
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