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    • 3. 发明授权
    • Information recording and/or reproducing method and apparatus for three dimensional optical recording medium
    • 用于三维光记录介质的信息记录和/或再现方法和装置
    • US07006425B1
    • 2006-02-28
    • US09450743
    • 1999-11-30
    • Akiko HiraoHideyuki NishizawaTakayuki TsukamotoYoshinori HonguhKazuki Matsumoto
    • Akiko HiraoHideyuki NishizawaTakayuki TsukamotoYoshinori HonguhKazuki Matsumoto
    • G11B7/00
    • G11B7/0045G11B7/005G11B7/0908G11B2007/0009
    • Information is recorded/reproduced by focusing a light beam in/from an optical recording medium capable of forming therein marks for information recording in a plurality of three-dimensional directions including an arbitrary directions and at least depth direction. Specifically, the optical beam is sequentially focused at a recorded mark position adjacent an optically recorded mark position, at which a recording/reproducing operation is started, in any directions regardless of the directionality of the plurality of three-dimensional directions, to cause the focused position of the light beam to describe a predetermined locus having a predetermined rule to rapidly and continuously record/reproduce the information. Thus, it is possible to efficiently and rapidly record and reproduce information in an optical recording medium capable of recording high-density information in three-dimensional directions, and it is possible to rapidly and efficiently record and reproduce information using such an optical recording medium.
    • 通过将光束聚焦在能够在其中形成包括任意方向和至少深度方向的多个三维方向的信息记录的记录介质的光学记录介质中来记录/再现信息。 具体地说,无论多个三维方向的方向性如何,光束依次聚焦在与任何方向上开始记录/再现操作的光学记录标记位置相邻的记录标记位置,以使聚焦 光束的位置来描述具有预定规则的预定轨迹,以快速且连续地记录/再现信息。 因此,可以在能够以三维方向记录高密度信息的光记录介质中有效且快速地记录和再现信息,并且可以使用这种光学记录介质快速有效地记录和再现信息。