发明名称 Reproducing apparatus with copy control
摘要 A recording and reproducing apparatus comprising a reproducing member for reproducing number-of-times-of-copy information and possible-number-of-times-of-copy information recorded on a recording medium, a renewing circuit for renewing the number-of-times-of-copy information reproduced by the reproducing member, a determining circuit for determining whether or not it is possible to perform copying by comparing the possible-number-of-times-of-copy information with the number-of-times-of-copy information, and a recording member for recording the number-of-times-of-copy information renewed by the renewing circuit on the recording medium.
申请公布号 US6449109(B1) 申请公布日期 2002.09.10
申请号 US20000499700 申请日期 2000.02.07
申请人 CANON KABUSHIKI KAISHA 发明人 HIRATA NORITSUGU
分类号 G11B15/02;G11B15/087;G11B20/00;G11B27/032;G11B27/30;H04N5/913;H04N9/79;(IPC1-7):G11B5/86;G11B15/04 主分类号 G11B15/02
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