发明名称 SYSTEM, DEVICE AND METHOD FOR DUPRICATING DATA, AND RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To provide a data duplicating system permitting to dupricate a data in high quality in the case that a copyright owner permits high quality duprication keeping copyrighting function. SOLUTION: A data duprication system 1 contains a data reduction control part 20 for controlling data correction according to correction control information 83. A data correction control part 20 decides whether or not charging is necessary for reproduction of data according to a charging control flag (83c3), and when the charging is necessary, the control part controls the correction of data according to duprication permission flag (83c1) and a quality control flag (83c2) after it has confirmed that the charging has been done by a charging device 200, and when the charging is unnecessary, the control part controls the correction of data without confirming that the charging has been done by the charging device 200 according to the reproduction permission flag (83c1) and a quality control flag (83c2).
申请公布号 JP2000228057(A) 申请公布日期 2000.08.15
申请号 JP19990342655 申请日期 1999.12.01
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 INOUE MITSUHIRO;HARADA TOSHIHARU;KOZUKA MASAYUKI
分类号 G11B20/10;(IPC1-7):G11B20/10 主分类号 G11B20/10
代理机构 代理人
主权项
地址