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    • 1. 发明授权
    • Optical pickup
    • 光学拾音
    • US07643385B2
    • 2010-01-05
    • US11191940
    • 2005-07-29
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • G11B7/00
    • G11B7/0933G11B7/0935
    • To improve the reliability to an environmental temperature change of an optical pickup, an optical pickup 7 has a semiconductor laser 711 for generating a laser beam. An objective lens drive leads the laser beam to a predetermined position of a disk. The semiconductor laser and objective lens drive are mounted on a pickup hosing 70. The objective lens drive has a movable portion 74 and the movable portion has an objective lens 716 for condensing the laser beam on the recording face of the disk. A fixed portion 72 holds the movable portion through a support member. The fixed portion has a magnetic yoke 75. An extended portion formed by extending a part of the yoke to the fixed portion side and the upside 72b of a cutout formed at the intermediate portion of the fixed portion in the tracking direction are adhered and fixed.
    • 为了提高光学拾取器的环境温度变化的可靠性,光学拾取器7具有用于产生激光束的半导体激光器711。 物镜驱动器将激光束引导到盘的预定位置。 半导体激光器和物镜驱动器安装在拾取器连接件70上。物镜驱动器具有可移动部分74,并且可移动部分具有用于将激光束聚集在盘的记录面上的物镜716。 固定部分72通过支撑构件保持可动部分。 固定部分具有磁轭75.通过将磁轭的一部分延伸到沿着跟踪方向的固定部分的中间部分处的固定部分侧和切口的上侧72b形成的延伸部分被固定。
    • 2. 发明申请
    • Optical pickup
    • 光学拾音
    • US20060087931A1
    • 2006-04-27
    • US11191940
    • 2005-07-29
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • Manabu OchiKatsuhiko KimuraMasaya HorinoJunichi SengaMasayoshi WatanabeTetsuo Itou
    • G11B7/00
    • G11B7/0933G11B7/0935
    • To improve the reliability to an environmental temperature change of an optical pickup, an optical pickup 7 has a semiconductor laser 711 for generating a laser beam. An objective lens drive leads the laser beam to a predetermined position of a disk. The semiconductor laser and objective lens drive are mounted on a pickup hosing 70. The objective lens drive has a movable portion 74 and the movable portion has an objective lens 716 for condensing the laser beam on the recording face of the disk. A fixed portion 72 holds the movable portion through a support member. The fixed portion has a magnetic yoke 75. An extended portion formed by extending a part of the yoke to the fixed portion side and the upside 72b of a cutout formed at the intermediate portion of the fixed portion in the tracking direction are adhered and fixed.
    • 为了提高光学拾取器的环境温度变化的可靠性,光学拾取器7具有用于产生激光束的半导体激光器711。 物镜驱动器将激光束引导到盘的预定位置。 半导体激光器和物镜驱动器安装在拾取器连接件70上。 物镜驱动器具有可移动部分74,并且可移动部分具有用于将激光束聚集在盘的记录面上的物镜716。 固定部分72通过支撑构件保持可动部分。 固定部分具有磁轭75。 通过将磁轭的一部分延伸到固定部分侧而形成的延伸部分和形成在沿跟踪方向的固定部分的中间部分处的切口的上侧72b被粘合并固定。
    • 7. 发明授权
    • Atomic beam control apparatus and method
    • 原子束控制装置及方法
    • US06680473B2
    • 2004-01-20
    • US10014344
    • 2001-12-14
    • Ryuzo OhmukaiMasayoshi Watanabe
    • Ryuzo OhmukaiMasayoshi Watanabe
    • H05H302
    • H05H3/04
    • An atomic beam control apparatus controls a position of an atomic beam that passes through a multi-pole magnetic field by irradiating the atomic beam with a light beam. The apparatus includes a probe light generator to generate probe light to detect a position of the atomic beam, a light sensor to receive the probe light, and a current control section to control a current flowing in multi-pole magnetic field generating electrodes controlling the position of the atomic beam. The light beam irradiates the atomic beam so that the atomic beam interacts with both the light beam and the magnetic field, and the position of the atomic beam is controlled by controlling currents fed to the multiple-pole magnetic field generating electrodes based on output values of the light sensor receiving the probe light.
    • 原子束控制装置通过用光束照射原子束来控制通过多极磁场的原子束的位置。 该装置包括探测光发生器,用于产生探测光以检测原子束的位置,用于接收探测光的光传感器,以及电流控制部分,用于控制在控制位置的多极磁场产生电极中流动的电流 的原子束。 光束照射原子束,使得原子束与光束和磁场相互作用,并且通过控制馈送到多极磁场产生电极的电流来控制原子束的位置,该电流基于 光传感器接收探测灯。
    • 8. 发明授权
    • Structure for supporting optical pickup
    • 支持光学拾音器的结构
    • US5615204A
    • 1997-03-25
    • US532873
    • 1995-09-22
    • Masayoshi WatanabeHiroshi OgasawaraShozo SaegusaToshio Sugiyama
    • Masayoshi WatanabeHiroshi OgasawaraShozo SaegusaToshio Sugiyama
    • G11B7/085G11B7/09G11B7/12G11B21/02G11B7/08
    • G11B7/08582G11B7/0925
    • An optical disk apparatus comprises an optical pickup for directing a light beam onto pits formed in an optical disk and for receiving reflected light from the optical disk, an optical pickup supporting member including two guide rods for guiding the optical pickup in a radial direction of the optical disk, two first mounting members for mounting ends of one guide rod, and two second mounting members for mounting ends of the other guide rod, a chassis for mounting the first and second mounting members, an optical pickup driving mechanism including gears and a motor to move the optical pickup in a radial direction of the optical disk, a turntable on which the optical disk is located, and an optical disk drive motor for rotating the turntable. Each of the first fixing members includes a base fixed to the chassis, a guide rod supporting member for fixedly supporting the guide rod, and a flexible member located between the base and the guide rod supporting member for causing the guide rod supporting member to be displaced in a vertical direction with respect to a surface of the optical disk. A natural frequency of a system consisting of the one guide rod, the first mounting member and the chassis is set to be less than that of the optical pickup and of the optical disk.
    • 光盘装置包括一个光学拾取器,用于将光束引导到形成在光盘上的凹坑上并用于接收来自光盘的反射光;光学拾取器支撑构件,包括两个导向杆,用于沿着 光盘,用于安装一个导杆的端部的两个第一安装构件和用于安装另一个导杆的端部的两个第二安装构件,用于安装第一和第二安装构件的底架,包括齿轮和马达的光学拾取器驱动机构 沿光盘的径向方向移动光学拾取器,光盘所在的转盘和用于转动转台的光盘驱动马达。 每个第一固定构件包括固定到底架的基座,用于固定地支撑导向杆的导杆支撑构件和位于基座和导杆支撑构件之间的用于使导杆支撑构件移位的柔性构件 在相对于光盘的表面的垂直方向上。 由一个导杆,第一安装构件和底架组成的系统的固有频率被设置为小于光学拾取器和光盘的固有频率。