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    • 1. 发明授权
    • Optical amplifier
    • 光放大器
    • US06236500B1
    • 2001-05-22
    • US09338794
    • 1999-06-23
    • Mikiya SuzukiToshio NakamuraAkira SasakiShigeru Shikii
    • Mikiya SuzukiToshio NakamuraAkira SasakiShigeru Shikii
    • H01S300
    • H04B10/294H01S3/06754H01S3/06758H01S3/2383H04B2210/258H04J14/0221
    • There is provided an optical amplifier for reducing the optical output power difference and/or obtaining high output power across a wide wavelength band. The optical amplifier comprises a plurality of optical amplifier units connected in two or more stages. At least one of the optical amplifier units comprises a first optical component of a single input and N outputs that has an optical-demultiplexing function, and P units of optical amplification means for the individual amplification of light that is output from P (where 1≦P≦N) output terminals selected from the N (integer) output terminals of the first optical component. Second optical components are provided to the input side of the first optical component or between the output side of the first optical component and the input side of the optical amplification means. The second optical components are optical components having chromatic dispersion compensation functions, optical components having functions designed to compensate for wavelength dependency output power difference, or optical components demonstrating other required effects. The optical components are DCFs, FBGs, SMFs, optical filters, attenuators, or the like. The second optical components are provided nonselectively or selectively.
    • 提供了一种用于减小光输出功率差和/或在宽波段上获得高输出功率的光放大器。 光放大器包括以两级或更多级连接的多个光放大器单元。 光放大器单元中的至少一个包括单输入的第一光学部件和具有光解复用功能的N个输出,以及用于从P输出的光的单独放大的光放大装置的P单元(其中, = P <= N)个输出端子,从第一光学部件的N(整数)输出端子中选择。 第二光学部件被提供到第一光学部件的输入侧或者在第一光学部件的输出侧和光学放大装置的输入侧之间。 第二光学部件是具有色散补偿功能的光学部件,具有被设计为补偿波长依赖性输出功率差的功能的光学部件,或表现出其它所需效果的光学部件。 光学部件是DCF,FBG,SMF,光学滤波器,衰减器等。 非选择性地或选择地提供第二光学部件。
    • 4. 发明授权
    • Multijoint manipulator and endoscope system having the same
    • 具有相同的多节点机械手和内窥镜系统
    • US08376934B2
    • 2013-02-19
    • US13092702
    • 2011-04-22
    • Kazuhiko TakahashiToshio Nakamura
    • Kazuhiko TakahashiToshio Nakamura
    • A61B1/00A61B1/04G06F3/033
    • B25J9/06A61B1/00147A61B1/0052A61B1/0055A61B5/065A61B34/30A61B34/37A61B2034/2059A61B2034/306A61B2090/064
    • A multijoint manipulator apparatus includes a tubular-member, linear-motion-transmission-members, a drive-unit, a position-detector, a tension-detector, an operation-unit, and a movement-degree-calculation-unit. The linear-members are inserted in the tubular-member, one end and the other end of each of the linear-members being fixed to the vicinity of a joint of the tubular-member and the drive-unit, respectively. The drive-unit moves the linear-members. The position-detector and the tension-detector detect positions and tension of the linear-members, respectively. A desired position/posture of a point of interest is input to the operation-unit. The calculation-unit calculates a current position/posture of the point, a weighting factor serving to give priority to and move the linear-members the tension of which is relatively low among the linear-members, and movement degrees of the linear-members to move the point to the desired position/posture, and causes the drive-unit to pull the linear-members.
    • 多关节机械手装置包括管状构件,直线运动传递构件,驱动单元,位置检测器,张力检测器,操作单元和移动程度计算单元。 线性构件插入管状构件中,每个线性构件的一端和另一端分别固定在管状构件和驱动单元的接头附近。 驱动单元移动线性元件。 位置检测器和张力检测器分别检测线性元件的位置和张力。 将感兴趣点的期望位置/姿势输入到操作单元。 计算单元计算点的当前位置/姿势,用于优先使线性构件中的线性构件的张力相对较低的直线构件的加权系数和线性构件的移动度向 将点移动到期望的位置/姿势,并且使驱动单元拉动线性构件。
    • 8. 发明申请
    • Method of manufacturing cage for roller bearing and cage for roller bearing
    • 滚子轴承和滚子轴承保持架的制造方法
    • US20060204158A1
    • 2006-09-14
    • US10567568
    • 2004-08-06
    • Kazuto KobayashiToshio NakamuraKeiichi HorinoYoshiro Ide
    • Kazuto KobayashiToshio NakamuraKeiichi HorinoYoshiro Ide
    • F16C33/52
    • F16C33/4682B21D53/12F16C19/38F16C23/086F16C33/543Y10T29/49686Y10T29/49687Y10T29/49691
    • A method of manufacturing a retainer for a roller bearing made of a metal plate and has a tubular main portion, pockets formed in the main portion intermittently concerning a circumferential direction and capable of retaining rollers rollably, and an outwardly oriented flange-like collar portion. An annular intermediate material is formed by die cutting the metal plate, and after a second intermediate material is formed by forming through holes in the intermediate material intermittently, a portion of the second intermediate material excluding a radially outer end portion is plastically deformed into a tubular shape. The portion plastically deformed tubular shape is formed as the main portion, a portion corresponding to the radially outer end portion of the second intermediate material is formed as the collar portion or a collar portion element for forming the collar portion, and portions corresponding to the through holes are formed as the pockets.
    • 一种制造用于由金属板制成的滚子轴承的保持器的方法,并且具有管状主体部分,在主体部分中间歇地形成有围绕圆周方向并且能够滚动地保持辊的口袋和向外定向的凸缘状套环部分。 通过对金属板进行模切而形成环状的中间材料,在间歇地形成中间材料的贯通孔而形成第二中间材料之后,除了径向外端部以外的部分第二中间材料塑性地变形为管状 形状。 形成塑性变形管状的部分形成为主要部分,对应于第二中间材料的径向外端部的部分形成为套环部分或用于形成套环部分的套环部分元件,以及对应于贯穿 孔形成为袋。