发明授权
- 专利标题: Optical recording medium, method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium including a wobbled groove
- 专利标题(中): 光记录介质,用于记录/再现光记录介质的方法和用于记录/再现包括摆动凹槽的光记录介质的设备
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申请号: US10238760申请日: 2002-09-10
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公开(公告)号: US06646963B2公开(公告)日: 2003-11-11
- 发明人: Yoshiyuki Akiyama , Shinichiro Iimura , Hiroshi Ogawa , Kazuo Kuroda , Toshio Suzuki , Akiyoshi Inoue , Shouji Taniguchi , Minemasa Ota
- 申请人: Yoshiyuki Akiyama , Shinichiro Iimura , Hiroshi Ogawa , Kazuo Kuroda , Toshio Suzuki , Akiyoshi Inoue , Shouji Taniguchi , Minemasa Ota
- 优先权: JP8-080378 19960402; JP8-171528 19960701
- 主分类号: G11B70045
- IPC分类号: G11B70045
摘要:
An optical recording medium for accurately deriving the address information or the disc rotation control information despite narrow track pitch and for recording signals to a high density, and a method and apparatus for recording and/or reproducing such optical recording medium. The optical recording medium has a wobbled groove and pits formed at a pre-set interval in an area between turns of the wobbled groove. The recording/reproducing method includes controlling rotation of the optical recording medium by a wobbled signal from the groove and detecting the position on the optical recording medium of a recording signal by pit signals detected from the pits. The recording/reproducing apparatus includes a detection device for detecting the wobbled signal from the groove and a detection device for detecting pit signals from the pits. The rotation of the optical recording medium is controlled by the wobbled signals detected from the groove and the position on the optical recording medium of the recording signal is detected by the pit signal detected from the pits.
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