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    Optical device
    3.
    发明授权
    Optical device 有权
    光学装置

    公开(公告)号：US07315672B2

    公开(公告)日：2008-01-01

    申请号：US10993172

    申请日：2004-11-22

    申请人： Tomohiko Kanie ,  Makoto Katayama

    发明人： Tomohiko Kanie ,  Makoto Katayama

    IPC分类号： G02B6/02 ,  G02B6/12

    CPC分类号： G02B6/3588 ,  G02B6/12007 ,  G02B6/266 ,  G02B6/3514 ,  G02B6/3532 ,  G02B6/3548 ,  G02B6/3566 ,  G02B6/3584 ,  G02B6/3594 ,  G02B6/3596

    摘要： An optical variable attenuator 1 has a planar waveguide 2 and an actuator structure 3. The planar waveguide 2 is provided with an input optical waveguide core 4A for input of an optical signal, an output optical waveguide core 4B for outputting an optical signal from the optical waveguide core 4A, and an a movable mirror optical waveguide core 4C for guiding light that does not enter the optical waveguide core 4B, out of the optical signal from the optical waveguide core 4A. The actuator structure 3 has a movable mirror 7 for reflecting the optical signal emerging from the input optical waveguide core 4A, toward the output optical waveguide core 4B. A light receiving device 10 for receiving light passing the optical waveguide core 4C is provided at one end face of the planar waveguide 2.

    摘要翻译： 光学可变衰减器1具有平面波导2和致动器结构3.平面波导2设置有用于输入光信号的输入光波导芯411，用于输出光信号的输出光波导芯4B 光波导芯411和用于引导不进入光波导芯体4B的光的可移动镜光波导芯体4C，从光波导芯体4A的光信号中移除。致动器结构3具有 用于将从输入光波导芯411出射的光信号反射到输出光波导芯体B的可移动反射镜7.用于接收通过光波导芯体4C的光的光接收装置10设置在 平面波导2。

    Hermetic compressor
    4.
    发明申请
    Hermetic compressor 审中-公开
    气密压缩机

    公开(公告)号：US20060257274A1

    公开(公告)日：2006-11-16

    申请号：US10553847

    申请日：2005-05-11

    申请人： Ikutomo Umeoka ,  Makoto Katayama ,  Junichiro Yabiki

    发明人： Ikutomo Umeoka ,  Makoto Katayama ,  Junichiro Yabiki

    IPC分类号： F04B35/04

    CPC分类号： F04B39/023 ,  F04B39/0005

    摘要： A hermetic compressor including a housing containing oil and a compression mechanism for compressing a refrigerant gas. In this configuration, a cylindrical piston has under cuts which do not communicate with at least a top surface at a cylinder side of the piston and are formed on an outer circumferential surface of the piston excluding a sliding surface existing in the axial direction of a piston pin and the perpendicular direction of the piston pin viewed from the axial direction of the piston, in which the under cuts communicate with space inside the housing in the vicinity of the bottom dead center. Since the sliding surface is provided in the direction parallel to and perpendicular to the axis, inclination of the piston in the vertical direction is suppressed and at the same time oil supply to the sliding portion through the under cuts is promoted. Therefore, the sealing property and lubricant property are improved, and thus high efficiency of the compressor can be realized.

    摘要翻译： 一种封闭式压缩机，包括容纳油的壳体和用于压缩制冷剂气体的压缩机构。 在这种构造中，圆柱形活塞具有在活塞的气缸侧的至少与顶表面不连通的底切口，并且形成在活塞的外周表面上，除了存在于活塞的轴向方向上的滑动面 销和从活塞的轴向方向观察的活塞销的垂直方向，其中下切口与下止点附近的壳体内的空间连通。 由于滑动面设置在与轴平行且垂直的方向上，因此能够抑制活塞在垂直方向上的倾斜，同时促进通过下切口对滑动部的供油。 因此，提高了密封性和润滑性，能够实现压缩机的高效率化。

    Variable optical attenuator
    5.
    发明授权
    Variable optical attenuator 失效
    可变光衰减器

    公开(公告)号：US06907181B2

    公开(公告)日：2005-06-14

    申请号：US09993410

    申请日：2001-11-26

    申请人： Makoto Katayama ,  Masayuki Nishimura

    发明人： Makoto Katayama ,  Masayuki Nishimura

    IPC分类号： G02B26/02 ,  G02B6/12 ,  G02B6/26 ,  G02B6/35 ,  G02F1/01 ,  G02B6/10

    CPC分类号： G02B6/353 ,  G02B6/266 ,  G02B6/357 ,  G02B6/3594 ,  G02B6/3596

    摘要： A small optical device which has low power consumption and which is excellent for integration, and which has a variable optical attenuation function which features proper polarization dependence over the entire wide variable optical attenuation range is provided. In the optical device, an optical circuit including a core and a cladding that covers the core is formed on a substrate. An optical element is movably disposed inside a groove provided in the substrate so as to traverse the core, and includes a plurality of optical attenuation elements having different light attenuation amounts. By moving the optical element by an actuation function portion provided on the optical circuit, the attenuation amount of signal light that propagates through the optical circuit is changed.

    摘要翻译： 提供具有低功耗并且非常适合集成的小型光学装置，并且具有在整个宽可变光衰减范围内具有适当偏振依赖性的可变光衰减功能。 在光学装置中，在基板上形成包括芯和覆盖芯的包层的光电路。 光学元件可移动地设置在设置在基板中的凹槽内，以便穿过芯，并且包括具有不同光衰减量的多个光衰减元件。 通过由设在光电路上的致动功能部分移动光学元件，改变通过光电路传播的信号光的衰减量。

    Optical variable attenuator and optical module
    7.
    发明授权
    Optical variable attenuator and optical module 有权
    光学可变衰减器和光学模块

    公开(公告)号：US06782185B2

    公开(公告)日：2004-08-24

    申请号：US10331660

    申请日：2002-12-31

    申请人： Makoto Katayama ,  Tomohiko Kanie ,  Hiroshi Suganuma ,  Masayuki Nishimura

    发明人： Makoto Katayama ,  Tomohiko Kanie ,  Hiroshi Suganuma ,  Masayuki Nishimura

    IPC分类号： G02B635

    CPC分类号： G02B6/3514 ,  G02B6/266 ,  G02B6/3546 ,  G02B6/3552 ,  G02B6/357 ,  G02B6/3594 ,  G02B6/3596

    摘要： An optical variable attenuator has a planar waveguide, which is provided with optical waveguides forming an input optical line A and an output optical line B. A cantilever is disposed at the upper face of the planar waveguide, whereas a movable mirror for reflecting light passing through the input optical line A toward the output optical line B is secured to the leading end part of the cantilever. An electrode is disposed at the upper face of the planar waveguide. The cantilever and the electrode are connected to each other by way of a voltage source. The voltage source applies a voltage between the cantilever and the electrode, so as to generate an electrostatic force therebetween, which flexes the leading end side of the cantilever toward the electrode. As a consequence, the movable mirror moves toward the electrode.

    摘要翻译： 光学可变衰减器具有平面波导，其设置有形成输入光线A和输出光线B的光波导。悬臂设置在平面波导的上表面，而可移动镜用于反射通过的光 输出光线A朝向输出光线B固定到悬臂的前端部。 电极设置在平面波导的上表面。 悬臂和电极通过电压源彼此连接。 电压源在悬臂和电极之间施加电压，以在它们之间产生静电力，使悬臂的前端侧向电极弯曲。 结果，可动镜朝向电极移动。

    Optical multiplexer/demultiplexer
    8.
    发明授权
    Optical multiplexer/demultiplexer 失效

    公开(公告)号：US06665466B2

    公开(公告)日：2003-12-16

    申请号：US09895417

    申请日：2001-07-02

    申请人： Makoto Katayama

    发明人： Makoto Katayama

    IPC分类号： G02B628

    CPC分类号： G02B6/12011 ,  G02B6/12016

    摘要： The present invention relates to an optical multiplexer/demultiplexer having a structure for actively compensating for distortion due to aberration of wavelength characteristics or the like among signal channels and effectively reducing loss variation or the like. In the optical multiplexer/demultiplexer, optical input ends of output waveguides arrayed corresponding to signals of channel wavelengths set at predetermined wavelength intervals are arranged so that an optical input end of at least either one of these output waveguides is located inside a Rowland circle. This structure effectively reduces the loss variation etc. among the signal channels.

    Variable dispersion compensator and optical transmission system
    9.
    发明授权
    Variable dispersion compensator and optical transmission system 失效
    可变色散补偿器和光传输系统

    公开(公告)号：US06659614B2

    公开(公告)日：2003-12-09

    申请号：US10114322

    申请日：2002-04-03

    申请人： Makoto Katayama ,  Tomohiko Kanie ,  Masayuki Nishimura ,  Shunichi Tsuchiya

    发明人： Makoto Katayama ,  Tomohiko Kanie ,  Masayuki Nishimura ,  Shunichi Tsuchiya

    IPC分类号： G02B508

    CPC分类号： H04B10/25133 ,  H04B2210/258

    摘要： An optical signal, which is to become the subject of dispersion compensation, is split by optical combining/splitting unit 2, and each frequency component of the optical signal that is split is reflected by each reflective surface of reflective mirror 40 of reflective means 4 to apply a predetermined phase shift to the respective frequency components. Each reflected frequency component is then combined using optical combining/splitting unit 2, to give dispersion compensated optical signal. Furthermore, in regards to reflective means 4, which is used to apply phase shift to each frequency component of an optical signal, reflective mirror 40 is made a variable movable mirror by reflection position at each reflective surface, which reflects the frequency components, deforming the entire reflective surface. This allows dispersion that is created in an optical signal to be compensated with favorable controllability and high accuracy. As a result, it becomes possible to provide a variable dispersion compensator that presents high precision and controllability of dispersion compensation, and has a miniaturized optical circuit, and an optical transmission system comprising such variable dispersion compensator.

    摘要翻译： 要成为色散补偿对象的光信号被光学合成/分离单元2分离，被分离的光信号的每个频率分量被反射装置4的反射镜40的每个反射表面反射到 对各个频率分量施加预定的相移。 然后使用光学合成/分离单元2将每个反射频率分量组合，以产生色散补偿光信号。 此外，关于用于向光信号的每个频率分量施加相移的反射装置4，通过反射位置在每个反射表面处将反射镜40制成可变可移动反射镜，其反映频率分量，使 整个反光面。 这允许以良好的可控性和高精度补偿在光信号中产生的色散。 结果，可以提供具有高精度和色散补偿的可控性的可变色散补偿器，并且具有小型化的光电路和包括这种可变色散补偿器的光传输系统。