发明授权
EP0412829B1 Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such a recording medium
失效
中,相同的记录介质,制造方法,记录和再现用于记录的装置和方法,再现和与这样的记录介质,擦除
- 专利标题: Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such a recording medium
- 专利标题(中): 中,相同的记录介质,制造方法,记录和再现用于记录的装置和方法,再现和与这样的记录介质,擦除
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申请号: EP90308803.7申请日: 1990-08-09
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公开(公告)号: EP0412829B1公开(公告)日: 1996-10-23
- 发明人: Kawade, Hisaaki, c/o CANON KABUSHIKI KAISHA , Matsuda, Hiroshi, c/o CANON KABUSHIKI KAISHA , Morikawa, Yuko, c/o CANON KABUSHIKI KAISHA
- 申请人: CANON KABUSHIKI KAISHA
- 申请人地址: 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo JP
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo JP
- 代理机构: Beresford, Keith Denis Lewis
- 优先权: JP205763/89 19890810; JP205769/89 19890810; JP205771/89 19890810
- 主分类号: G11B9/00
- IPC分类号: G11B9/00 ; G11B11/00 ; G11B9/04
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