发明公开
EP1158514A1 RECORDER FOR RECORDING COPY OF PRODUCTION ON THE BASIS OF COPY ATTRIBUTE EMBEDDED AS ELECTRONIC WATERMARK IN THE PRODUCTION, REPRODUCING DEVICE FOR REPRODUCING RECORDED COPY, RECORDED MEDIUM, RECORDING METHOD, AND REPRODUCING METHOD
有权
RECORDER生产副本上的副本的BASIS RECORDING属性EMBEDDED THAN电子水印在生产中,再现设备用于播放记录COPIES,位于抽选介质,AUFZEICHUNGSVERFAHREN和回放。
- 专利标题: RECORDER FOR RECORDING COPY OF PRODUCTION ON THE BASIS OF COPY ATTRIBUTE EMBEDDED AS ELECTRONIC WATERMARK IN THE PRODUCTION, REPRODUCING DEVICE FOR REPRODUCING RECORDED COPY, RECORDED MEDIUM, RECORDING METHOD, AND REPRODUCING METHOD
- 专利标题(中): RECORDER生产副本上的副本的BASIS RECORDING属性EMBEDDED THAN电子水印在生产中,再现设备用于播放记录COPIES,位于抽选介质,AUFZEICHUNGSVERFAHREN和回放。
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申请号: EP00905275.4申请日: 2000-02-23
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公开(公告)号: EP1158514A1公开(公告)日: 2001-11-28
- 发明人: MITUI, Yoshitaka , ISHIHARA, Hideshi
- 申请人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 申请人地址: 1006, Ohaza Kadoma Kadoma-shi, Osaka 571-8501 JP
- 专利权人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人地址: 1006, Ohaza Kadoma Kadoma-shi, Osaka 571-8501 JP
- 代理机构: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权: JP5089299 19990226
- 国际公布: WO0052691 20000908
- 主分类号: G11B20/10
- IPC分类号: G11B20/10 ; H04N5/92
摘要:
A recording apparatus for recording a duplicate of a product onto a recording medium, the product being a copyrighted digital product having a copy attribute embedded as a watermark thereon and the recording apparatus including (a) an acquiring unit for acquiring the copy attribute embedded on the product, (b) a changing unit for changing the acquired copy attribute into a copy attribute showing no more copy when the acquired copy attribute shows one generation copy, (c) a reading unit for reading from the recording medium at least a part of medium ID information recorded on the recording medium in an unalterable state, and (d) a recording unit for recording onto the recording medium the duplicate having both the copy attribute showing no more copy and the read medium ID information embedded as a watermark thereon.
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