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    • 3. 发明申请
    • OPTICAL RECORDING MEDIUM, RECORDING DEVICE, AND RECORDING METHOD
    • 光记录介质,记录装置和记录方法
    • US20120300601A1
    • 2012-11-29
    • US13521976
    • 2010-12-17
    • Kimihiro SaitoSeiji Kobayashi
    • Kimihiro SaitoSeiji Kobayashi
    • G11B7/24B32B3/02G11B7/135
    • G11B7/24038G11B7/24044G11B7/24067
    • An optical recording medium includes: N recording layers (where N≧4); a number of kinds of layer intervals between the recording layers adjacent to each other being an integer M equal to or less than a minimum integer equal to or more than log2(N); and one or more AB blocks including four recording layers with a first layer interval A, a second layer interval B, and the first layer interval A formed in order in the one or more AB blocks. When the M as the number of kinds of layer intervals is M≧3, the optical recording medium has a part of a third layer interval C as a layer interval between a recording layer forming an AB block and a recording layer adjacent to the recording layer, the adjacent recording layer being included in other than the AB block including the recording layer.
    • 光记录介质包括:N个记录层(N≥4); 彼此相邻的记录层之间的多个层间隔的数量是等于或小于log2(N)的最小整数的整数M; 以及一个或多个AB块,包括具有第一层间隔A,第二层间隔B和在一个或多个AB块中依次形成的第一层间隔A的四个记录层。 当作为层间隔的种类数量的M为M≥3时,光记录介质具有作为形成AB块的记录层和与记录层相邻的记录层之间的层间隔的第三层间隔C的一部分 ,除了包括记录层的AB块之外,相邻的记录层被包括在其中。
    • 5. 发明申请
    • OPTICAL RECORDING/REPRODUCING DEVICE
    • 光学记录/再现设备
    • US20100165825A1
    • 2010-07-01
    • US12278792
    • 2007-02-16
    • Kimihiro SaitoSeiji Kobayashi
    • Kimihiro SaitoSeiji Kobayashi
    • G11B7/00
    • G03H1/26G03H2001/0417G03H2250/42G11B7/0065G11B7/083G11B7/1275G11B2007/0013
    • An optical recording and reproducing apparatus is provided for recording standing wave information on an optical recording medium and reproducing standing wave information from an optical recording medium. The optical recording and reproducing apparatus includes an optical head configured to separate a laser beam emitted from a light source (1) into three beams and emit, using an objective lens (7), two beams A and B of the three separate beams into an optical disk (8) having a reflecting surface (10) from the same side of the optical disk (8) so that a focal position SF of the one laser beam A reaching the reflecting surface is the same as a focal position of the other laser beam B after returning from the reflecting surface. The optical recording and reproducing apparatus records standing waves inside the optical disk in a multilayer structure using the two laser beams emitted from the optical head so as to have the same focal position SF, and reads out information from a reflected beam obtained by emitting the laser beam A of the two laser beams.
    • 提供一种光学记录和再现装置,用于在光学记录介质上记录驻波信息并从光学记录介质再现驻波信息。 光学记录和再现装置包括一个光学头,被配置为将从光源(1)发射的激光束分离成三个光束,并使用物镜(7)将三个分立光束的两个光束A和B发射成 光盘(8)具有来自光盘(8)的同一侧的反射表面(10),使得到达反射表面的一个激光束A的焦点位置SF与另一个激光器的焦点位置相同 光束B从反射面返回。 光学记录和再现装置使用从光学头发射的两个激光束以多层结构在光盘内记录驻波以具有相同的焦点位置SF,并且从通过发射激光器获得的反射光束读出信息 两束激光束的光束A。
    • 7. 发明授权
    • Optical disc apparatus, focus position control method and recording medium
    • 光盘装置,聚焦位置控制方法和记录介质
    • US08248900B2
    • 2012-08-21
    • US12441147
    • 2007-09-13
    • Kimihiro SaitoToshihiro HorigomeTakao KondoKunihiko HayashiSeiji KobayashiTakashi IwamuraSakuya Tamada
    • Kimihiro SaitoToshihiro HorigomeTakao KondoKunihiko HayashiSeiji KobayashiTakashi IwamuraSakuya Tamada
    • G11B7/00
    • G11B7/0908G11B7/0065G11B7/083G11B7/0938G11B7/24044
    • An optical disc apparatus can highly accurately record a hologram representing information on or reproduce such a hologram from an optical disc. When recording information on an optical disc 100, the optical disc apparatus controls the position of an objective lens OL1 according to the outcome of detection of a red reflected light beam Lr2 so as to make the focus Fr thereof follow a target track and it also makes the focus Fb1 of a blue light beam Lb1 agree with a target mark position by the objective lens OL1 and also the focus Fb2 agree with the target mark position by controlling the position of another objective lens OL2 according to the outcome of detection of the blue light beam Lb1 by way of the objective lenses OL1 and OL2 so as to make the focus Fb1 of the blue light beam Lb1 and the focus Fb2 of the blue light beam Lb2 agree with the target mark position and the blue light beam Lb1 and the blue light beam Lb2 interfere with each other. Thus, as a result, the optical disc apparatus can record a recording mark RM at the target mark position.
    • 光盘装置可高精度地记录表示来自光盘的关于或再现这样的全息图的信息的全息图。 当在光盘100上记录信息时,光盘装置根据红色反射光束Lr2的检测结果来控制物镜OL1的位置,以使其焦点Fr跟随目标轨迹,并且还使得 蓝光束Lb1的焦点Fb1与物镜OL1的目标标记位置一致,并且通过根据蓝光的检测结果控制另一个物镜OL2的位置,焦点Fb2也与目标标记位置一致 通过物镜OL1和OL2使光束Lb1与蓝色光束Lb2的蓝色光束Lb1和焦点Fb2的焦点Fb1与目标标记位置和蓝色光束Lb1和蓝色光线一致 光束Lb2相互干扰。 因此,结果,光盘装置可以将记录标记RM记录在目标标记位置。
    • 9. 发明授权
    • Optical recording medium, recording device, and recording method
    • 光记录介质,记录装置和记录方法
    • US08553514B2
    • 2013-10-08
    • US13521976
    • 2010-12-17
    • Kimihiro SaitoSeiji Kobayashi
    • Kimihiro SaitoSeiji Kobayashi
    • G11B7/24
    • G11B7/24038G11B7/24044G11B7/24067
    • An optical recording medium includes: N recording layers (where N≧4); a number of kinds of layer intervals between the recording layers adjacent to each other being an integer M equal to or less than a minimum integer equal to or more than log2(N); and one or more AB blocks including four recording layers with a first layer interval A, a second layer interval B, and the first layer interval A formed in order in the one or more AB blocks. When the M as the number of kinds of layer intervals is M≧3, the optical recording medium has a part of a third layer interval C as a layer interval between a recording layer forming an AB block and a recording layer adjacent to the recording layer, the adjacent recording layer being included in other than the AB block including the recording layer.
    • 光记录介质包括:N个记录层(N> = 4); 彼此相邻的记录层之间的多个层间隔的数量是等于或小于log2(N)的最小整数的整数M; 以及一个或多个AB块,包括具有第一层间隔A,第二层间隔B和在一个或多个AB块中依次形成的第一层间隔A的四个记录层。 当作为层间隔的种类数量的M为M> = 3时,光记录介质具有作为形成AB块的记录层与与记录相邻的记录层之间的层间隔的第三层间隔C的一部分 层之外,相邻的记录层被包括在包括记录层的AB块以外。