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    • 2. 发明申请
    • Optical head device
    • 光头设备
    • US20050265143A1
    • 2005-12-01
    • US11136936
    • 2005-05-25
    • Hiroshi KubotaHiroshi SakaiManabu Sakamoto
    • Hiroshi KubotaHiroshi SakaiManabu Sakamoto
    • G11B7/135G11B7/00G11B7/12
    • G11B7/1367G11B7/12G11B7/1369G11B7/1392
    • An optical head device may include an objective lens drive device for driving an objective lens, an optical path defining optical system which defines an optical path directing to the objective lens from the light source and an optical path directing to a light receiving element from the objective lens, a device frame which holds the objective lens drive device on an upper face side of the device frame and on which the optical path defining optical system is mounted, an aberration compensating element which is mounted on the upper face of the device frame and disposed between the optical path defining optical system and the objective lens for compensating aberration of the laser beam that is converged on the optical recording disk, and a wavelength plate which is disposed between the optical path defining optical system and the objective lens for converting a polarization direction of the laser beam emitted from the optical path defining optical system.
    • 光学头装置可以包括用于驱动物镜的物镜驱动装置,限定光学系统的光学路径,该光学系统限定从光源引导到物镜的光路以及从物镜引导到光接收元件的光路 透镜,将物镜驱动装置保持在装置框架的上表面侧并且其上安装有光学路径的光学系统的装置框架,安装在装置框架的上表面上并配置的像差补偿元件 在光路限定光学系统和用于补偿会聚在光记录盘上的激光束的像差的物镜之间的波长板,以及设置在光路定义光学系统和用于转换偏振方向的物镜之间的波长板 从定义光学系统的光路发射的激光束。
    • 5. 发明授权
    • Mobile wireless terminal, wireless module, handover method, and recording medium
    • 移动无线终端,无线模块,切换方法和记录介质
    • US08270373B2
    • 2012-09-18
    • US12558701
    • 2009-09-14
    • Hiroshi Sakai
    • Hiroshi Sakai
    • H04W4/00H04W36/00
    • H04W36/34
    • Provided is a mobile wireless terminal connected to a base station via wireless, including: a storage section which stores and holds a plurality of handover execution threshold values used for execution of handover processing of changing connection in a wireless communication network; a service suspension period identifying section which identifies a service suspension period occurring at a time of the handover processing; a handover execution threshold value selecting section which selects, based on a value of the service suspension period identified by the service suspension period identifying section, one handover execution threshold value among the plurality of handover execution threshold values stored in the storage section; and a control section which executes the handover processing based on the one handover execution threshold value selected by the handover execution threshold value selecting section and a received radio signal.
    • 提供了一种通过无线连接到基站的移动无线终端,包括:存储和保存用于执行在无线通信网络中改变连接的切换处理的多个切换执行阈值的存储部分; 服务暂停期间识别部,其识别在切换处理时发生的服务暂停期间; 切换执行阈值选择部,其基于由所述服务暂停期间识别部识别的所述服务暂停期间的值,选择存储在所述存储部中的所述多个切换执行阈值之中的一个切换执行阈值; 以及控制部,其基于由切换执行阈值选择部选择的一个切换执行阈值和接收到的无线信号来执行切换处理。