发明授权
US5412597A Slope detection method, and information detection/writing apparatus
using the method
失效
斜率检测方法和使用该方法的信息检测/写入装置
- 专利标题： Slope detection method, and information detection/writing apparatus using the method
- 专利标题（中）： 斜率检测方法和使用该方法的信息检测/写入装置
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申请号： US155375申请日： 1993-10-15
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公开(公告)号： US5412597A公开(公告)日： 1995-05-02
- 发明人: Toshihiko Miyazaki , Hiroshi Matsuda , Hisaaki Kawade , Ken Eguchi , Haruki Kawada , Hideyuki Kawagishi , Yoshihiro Yanagisawa , Keisuke Yamamoto , Toshimitsu Kawase , Takahiro Oguchi , Toshihiko Takeda , Masahiro Tagawa
- 申请人： Toshihiko Miyazaki , Hiroshi Matsuda , Hisaaki Kawade , Ken Eguchi , Haruki Kawada , Hideyuki Kawagishi , Yoshihiro Yanagisawa , Keisuke Yamamoto , Toshimitsu Kawase , Takahiro Oguchi , Toshihiko Takeda , Masahiro Tagawa
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX2-317030 19901120; JPX3-201151 19910717
- 主分类号： G11B9/00
- IPC分类号： G11B9/00 ; G11B17/32 ; G11B21/00 ; G11B21/21 ; G11C13/00
摘要：
A method for detecting a slope of a surface of an information record medium in an apparatus for detecting/writing information using one or a plurality of probes from/in the information record medium. The surface of the information record medium is scanned using the probe. The information from the surface of the information record medium is detected through the probe when the scanning is executed, and the slope of the surface of the information record medium is detected on the basis of the detected information.
公开/授权文献
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