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    • 5. 发明申请
    • OPTICAL DISC DEVICE AND OPTICAL DISC
    • 光盘设备和光盘
    • US20110242948A1
    • 2011-10-06
    • US12599344
    • 2008-05-16
    • Tatsuo SuzukiKatsuya WatanabeHiroyuki Yabuno
    • Tatsuo SuzukiKatsuya WatanabeHiroyuki Yabuno
    • G11B7/007
    • G11B7/00736G11B7/0062G11B7/1267G11B7/24079G11B2007/0013
    • There is provided an optical disc device including an objective lens, a lens actuator for driving the objective lens, a light-receiving unit, and a system control unit which determines, at startup, the values of parameters to be set for recording or reproducing data in or from the respective information layers, and performs setting and management of recording inhibition or reproduction inhibition for the respective information layers, wherein, even when an error occurs because the values of the parameter groups for the respective layers cannot be determined in an optical disc having laminated plural information layers, recording or reproduction can be performed for at least the layers for which the parameters can be correctly determined, without stopping the startup. Thereby, the states of the respective information layers are managed for each information layer, and reproduction or recording operation is rapidly started in the respective layers to effectively utilize the multilayer disc.
    • 提供了一种包括物镜,用于驱动物镜的透镜致动器,光接收单元和系统控制单元的光盘装置,其在启动时确定要设置用于记录或再现数据的参数值 在相应的信息层中或从相应的信息层进行记录禁止或再现禁止的设置和管理,其中即使出现错误也是因为不能在光盘中确定各层的参数组的值 具有层叠的多个信息层,可以至少对可以正确确定参数的层执行记录或再现,而不停止启动。 由此,针对每个信息层管理各个信息层的状态,并且在各层中快速开始再现或记录操作以有效地利用多层盘。
    • 6. 发明授权
    • Immersion microscope objective lens
    • 浸液显微镜物镜
    • US07889432B2
    • 2011-02-15
    • US12633823
    • 2009-12-09
    • Katsuya WatanabeTakayuki Morita
    • Katsuya WatanabeTakayuki Morita
    • G02B21/02
    • G02B21/33
    • An immersion microscope objective lens of the present invention has: in order from an object, a first lens group G1 having positive refractive power and having a cemented lens of a plano convex lens having a plane facing the object and a meniscus lens having a concave surface facing the object, and a single meniscus lens having a convex surface facing the object; a second lens group having positive refractive power and having a plurality of cemented lenses; and a third lens group having negative refractive power and having a cemented meniscus lens having a concave surface facing an image, and a cemented meniscus lens having a concave surface facing the object. And the following conditional expressions 0.12
    • 本发明的浸没式显微镜物镜具有从物体起依次具有正折射力的第一透镜组G1和具有面向物体的平面凸透镜的胶结透镜和具有凹面的弯月透镜 面对物体的单个弯月形透镜,具有面向物体的凸面; 具有正屈光力并具有多个胶合透镜的第二透镜组; 以及具有负屈光力并具有面向图像的凹面的粘结凹凸透镜的第三透镜组,以及具有面向物体的凹面的粘结凹凸透镜。 并且以下条件表达式0.12
    • 8. 发明授权
    • Optical disk drive for discriminating types of optical disks
    • 用于识别光盘类型的光盘驱动器
    • US07804753B2
    • 2010-09-28
    • US11575322
    • 2006-01-19
    • Katsuya WatanabeHiroshige IshibashiTakashi KishimotoRie Takahashi
    • Katsuya WatanabeHiroshige IshibashiTakashi KishimotoRie Takahashi
    • G11B7/00
    • G11B19/12G11B2007/0006
    • After an optical disk drive according to the present invention has been loaded with an optical disk and before the operation of recognizing the type of the given disk is finished, the drive presumes one of multiple types of candidate optical disks, from/on which data is readable and writable using a light beam with the shortest wavelength among the candidate disks, to be the disk being driven by the motor now and gets the beam for the presumed type of disk radiated from a light source (Step (A)). Next, the drive gets the disk spun at a rotational velocity that realizes a linear velocity equal to or higher than a standardized normal velocity when data is read from the presumed type of disk (Step (B)). Thereafter, the drive starts a focus control in a situation where the spot of the beam being formed on the disk is moving on the disk at the linear velocity equal to or higher than the normal velocity (Step (C)). And then the drive performs the operation of recognizing the type of the disk by the light beam reflected from the disk under the focus control (Step (D)).
    • 在根据本发明的光盘驱动器已经装载了光盘之后,并且在识别给定盘的类型的操作完成之前,驱动器假定多种类型的候选光盘中的一种从哪个数据是 使用候选盘之中具有最短波长的光束可读写可以由电机现在驱动,并获得用于从光源辐射的推测型光盘的光束(步骤(A))。 接下来,当从推定的盘类型读取数据时,驱动器以实现线速度等于或高于标准化正常速度的旋转速度获得盘(步骤(B))。 此后,驱动器开始聚焦控制,其中形成在光盘上的光束的斑点以等于或高于正常速度的线速度在盘上移动(步骤(C))。 然后,驱动器通过在聚焦控制下从盘反射的光束来执行识别盘的类型的操作(步骤(D))。