发明授权
- 专利标题: Optical recording and reproducing device
- 专利标题(中): 光学记录和再现设备
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申请号: EP85115270.2申请日: 1985-12-02
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公开(公告)号: EP0184750B1公开(公告)日: 1991-11-06
- 发明人: Ito, Tetsuo , Sasaki, Hiroshi , Sato, Yoshio , Shimada, Satoshi , Miyamoto, Norifumi , Tsuboi, Nobuyoshi , Nihei, Hideki , Koyanagi, Hiroaki
- 申请人: HITACHI, LTD.
- 申请人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 JP
- 专利权人: HITACHI, LTD.
- 当前专利权人: HITACHI, LTD.
- 当前专利权人地址: 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 JP
- 代理机构: Strehl Schübel-Hopf Groening & Partner
- 优先权: JP255317/84 19841203
- 主分类号: G11B7/135
- IPC分类号: G11B7/135 ; G11B7/125
公开/授权文献
- EP0184750A2 Optical recording and reproducing device 公开/授权日:1986-06-18
信息查询
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