发明公开
- 专利标题: Optical disk medium and optical disk recording/reproducing apparatus
- 专利标题(中): 光盘和光记录/再现装置,
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申请号: EP04090096.1申请日: 2004-03-09
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公开(公告)号: EP1457973A3公开(公告)日: 2006-11-02
- 发明人: Yamanaka, Yutaka , Katayama, Ryuichi , Shibatoko, Takeharu , Ogawa, Masatsugu , Eto, Daisuke , Noda, Chosaku, c/o Intell.Prop.Div. , Satoh, Hiroharu, c/o Intell.Prop.Div. , Ohsawa, Hideaki, c/o Intell.Prop.Div.
- 申请人: NEC CORPORATION , KABUSHIKI KAISHA TOSHIBA
- 申请人地址: 7-1, Shiba 5-chome, Minato-ku Tokyo JP
- 专利权人: NEC CORPORATION,KABUSHIKI KAISHA TOSHIBA
- 当前专利权人: NEC CORPORATION,KABUSHIKI KAISHA TOSHIBA
- 当前专利权人地址: 7-1, Shiba 5-chome, Minato-ku Tokyo JP
- 代理机构: Wenzel & Kalkoff
- 优先权: JP2003062803 20030310; JP2004024519 20040130
- 主分类号: G11B7/00
- IPC分类号: G11B7/00
摘要:
In an optical disk medium, land recording tracks (1) are coupled by first and second coupling portions (3 and 4) at a particular radial position to form a tilt detecting mark SM.
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