公开(公告)号：EP1998327A2

公开(公告)日：2008-12-03

申请号：EP08251773.1

申请日：2008-05-21

申请人： Ricoh Company, Ltd. ,  NIPPON HOSO KYOKAI

发明人： Koide, Daiichi c/o Nippon Hoso Kyookai ,  Aman, Yasutomo ,  Takano, Yoshimichi ,  Tokumaru, Haruki c/o Nippon Hoso Kyokai ,  Onagi, Nobuaki

IPC分类号： G11B7/09 ,  G11B7/095 ,  G11B7/24 ,  G11B23/00

CPC分类号： G11B7/0945 ,  G11B7/0953 ,  G11B7/0956 ,  G11B7/24047 ,  G11B17/32 ,  G11B33/1486

摘要： A data recording/reproduction method for performing a data recording/reproduction process on a flexible optical disk by rotating the flexible optical disk while controlling an axial runout of the flexible optical disk with a stabilizing member that applies an aerodynamic force to the flexible optical disk, and irradiating an optical beam and focusing the optical beam to the flexible optical disk is disclosed that includes the steps of a) generating a first axial runout, b) generating a focus error signal forming an S-curve when the first axial runout is generated, c) determining a position of the optical beam according to the focus error signal, d) generating a second axial runout that is smaller than the first axial runout after step c), and e) conducting at least one of the data recording process and the data reproduction process after step d).

摘要翻译： 一种数据记录/再现方法，用于通过在通过向柔性光盘施加空气动力的同时控制柔性光盘的轴向跳动的同时旋转柔性光盘来在柔性光盘上执行数据记录/再现处理， 并且公开了照射光束并将光束聚焦到柔性光盘，其包括以下步骤：a）产生第一轴向跳动，b）当产生第一轴向跳动时产生形成S曲线的聚焦误差信号， c）根据焦点误差信号确定光束的位置，d）产生在步骤c）之后小于第一轴向跳动的第二轴向跳动，以及e）进行至少一个数据记录处理和 步骤d）后的数据再现处理。

公开(公告)号：EP1998327A3

公开(公告)日：2009-05-27

申请号：EP08251773.1

申请日：2008-05-21

申请人： Ricoh Company, Ltd. ,  NIPPON HOSO KYOKAI

发明人： Koide, Daiichi c/o Nippon Hoso Kyookai ,  Aman, Yasutomo ,  Takano, Yoshimichi ,  Tokumaru, Haruki c/o Nippon Hoso Kyokai ,  Onagi, Nobuaki

IPC分类号： G11B7/09 ,  G11B7/095 ,  G11B7/24 ,  G11B23/00

CPC分类号： G11B7/0945 ,  G11B7/0953 ,  G11B7/0956 ,  G11B7/24047 ,  G11B17/32 ,  G11B33/1486

摘要： A data recording/reproduction method for performing a data recording/reproduction process on a flexible optical disk by rotating the flexible optical disk while controlling an axial runout of the flexible optical disk with a stabilizing member that applies an aerodynamic force to the flexible optical disk, and irradiating an optical beam and focusing the optical beam to the flexible optical disk is disclosed that includes the steps of a) generating a first axial runout, b) generating a focus error signal forming an S-curve when the first axial runout is generated, c) determining a position of the optical beam according to the focus error signal, d) generating a second axial runout that is smaller than the first axial runout after step c), and e) conducting at least one of the data recording process and the data reproduction process after step d).