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    • 1. 发明专利
    • Measuring device and measuring method
    • 测量装置和测量方法
    • JP2013130483A
    • 2013-07-04
    • JP2011280491
    • 2011-12-21
    • Fujitsu Ltd富士通株式会社
    • UNO KAZUFUMITAKEI FUMIOKASASHIMA TAKEOTADAKI KYOKOISHINABE MINORU
    • G01P5/04G01F1/28G01K11/12
    • PROBLEM TO BE SOLVED: To provide a measuring device and a measuring method capable of measuring a flow rate or the like at a low cost.SOLUTION: The measuring device includes a processing part having a light source, a measuring part 12 to be floated on a fluid, and an optical fiber 14 disposed so as to reach the measuring part from the processing part. The measuring part has a displacement part 76 to be displaced according to the flow rate of the fluid, and the optical fiber is immersed in the fluid through the displacement part so that an immersion length in the fluid is changed according to the displacement of the displacement part. The processing part obtains the immersion length in the fluid of the optical fiber on the basis of a temperature distribution along a longitudinal direction of the optical fiber measured by introducing light from the light source to the optical fiber, and obtains the flow rate of the fluid on the basis of the obtained immersion length.
    • 要解决的问题:提供能够以低成本测量流量等的测量装置和测量方法。解决方案:测量装置包括具有光源的处理部分,待漂浮的测量部分12 流体和设置成从处理部到达测量部的光纤14。 测量部件具有根据流体的流量而位移的位移部76,并且光纤通过位移部浸入到流体中,使得流体中的浸入长度根据位移的位移而改变 部分。 处理部根据通过从光源引入光纤而测定的沿着光纤的长度方向的温度分布,获得光纤的流体中的浸渍长度,得到流体的流量 基于获得的浸渍长度。
    • 2. 发明专利
    • Rack cabinet and air conditioning control method
    • 机柜和空调控制方法
    • JP2012190222A
    • 2012-10-04
    • JP2011052708
    • 2011-03-10
    • Fujitsu Ltd富士通株式会社
    • ISHINABE MINORUTAKEI FUMIOTADAKI KYOKOUNO KAZUFUMIKASASHIMA TAKEO
    • G06F1/20F24F11/02F24F11/06H05K7/20
    • PROBLEM TO BE SOLVED: To provide a structure of a rack cabinet for mounting an electronic device, and an air conditioning control method using the rack cabinet.SOLUTION: The rack cabinet of this invention includes: a housing which mounts a plurality of electronic devices and has a front surface capable of sucking cold air from the outside at least; and a backflow prevention valve which is arranged on the side of the front surface of the housing to an electronic device mounting position, opened by being pushed by the sucked cold air in a first direction from the front surface to the electronic device, and closed in a second direction opposite to the first direction.
    • 要解决的问题:提供一种用于安装电子设备的机架式机架的结构,以及使用该机架式机柜的空调控制方法。 解决方案:本发明的机架式机箱包括:壳体,其安装多个电子设备,并具有能够至少从外部吸入冷空气的前表面; 以及防回流阀,其设置在所述壳体的前表面侧至电子装置安装位置,所述防回流阀通过从所述前表面向所述电子设备沿着第一方向被所述吸入的冷空气推压而打开, 与第一方向相反的第二方向。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Air-conditioning improvement system
    • 空调改进系统
    • JP2012184899A
    • 2012-09-27
    • JP2011049385
    • 2011-03-07
    • Fujitsu Ltd富士通株式会社
    • TAKEI FUMIOUNO KAZUFUMIKASASHIMA TAKEO
    • F24F11/02G01K3/06G01K11/12
    • PROBLEM TO BE SOLVED: To improve air conditioning efficiency in an air-conditioning improvement system.SOLUTION: This air-conditioning improvement system includes: an optical fiber-type temperature measuring section 30 connected to optical fiber 24 laid in a temperature measurement area 1 and measuring an actual temperature distribution T in the temperature measurement area 1; and a calculating section 41 calculating a correction amount (Δx, Δy) of a direction of a louver 7 of an air conditioner 3 disposed in the temperature measurement section 1. The calculating section 41 calculates the correction amount (Δx, Δy) to reduce the deviation S between a target temperature distribution T0 and the actual temperature distribution T of the temperature measurement area 1 in comparison with that before correcting the direction of the louver 7.
    • 要解决的问题:提高空调改进系统的空调效率。 解决方案:该空调改进系统包括:连接到放置在温度测量区域1中的光纤24并测量温度测量区域1中的实际温度分布T的光纤型温度测量部分30; 以及计算部件41,计算空气的百叶窗7的方向的校正量(Δx n ,Δy m ) 调整部件41将计算部件41的校正量(Δx n ,Δy m )计算到 与校正百叶窗7的方向之间的温度测量区域1的目标温度分布T0和实际温度分布T之间的偏差S减小。(C)2012,JPO&INPIT
    • 4. 发明专利
    • Optical fiber fixture
    • 光纤固定
    • JP2010231014A
    • 2010-10-14
    • JP2009078926
    • 2009-03-27
    • Fujitsu Ltd富士通株式会社
    • UNO KAZUFUMITAKEI FUMIOKASASHIMA TAKEO
    • G02B6/00
    • PROBLEM TO BE SOLVED: To provide an inexpensively producible optical fiber fixture not disturbing air flow, complying with various optical fiber installation forms, and easily complying with change of equipment. SOLUTION: The optical fiber fixture 10 includes a circular arc-shaped fiber guide 11 and a hook 12 protruding perpendicularly downward from the fiber guide 11. An optical fiber is arranged inside a groove of the fiber guide 11 to be supported in a curved condition. The fiber guide 11 and the hook 12 are integrally formed of resin. The optical fiber fixture 10 is shaped so that a clearance between a supporting shaft part 12a and a hinge 12b of the hook 12 and a clearance between a projection (drop-off prevention part) 11b and the end of the fiber guide 11 can be observed when viewed from the infinite distance on a straight line connecting the curvature center A and the longitudinal direction median point B of the fiber guide 11 together. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供廉价的可生产的光纤夹具,不会扰乱空气流动,符合各种光纤安装形式,并且易于符合设备的更换。 解决方案:光纤固定装置10包括圆弧状光纤导引件11和从光纤引导件11垂直向下突出的钩12.光纤布置在光纤引导件11的槽内,以被支撑在 弯曲状态。 纤维引导件11和钩12由树脂一体形成。 光纤固定件10的形状使得能够观察到支撑轴部12a和钩12的铰链12b之间的间隙以及突出部(防脱落部)11b与纤维引导件11的端部之间的间隙 在连接光纤引导件11的曲率中心A和长度方向中点B的直线上从无限远的距离观察。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Temperature measurement system and optical fiber connection method
    • 温度测量系统和光纤连接方法
    • JP2010156549A
    • 2010-07-15
    • JP2008333432
    • 2008-12-26
    • Fujitsu Ltd富士通株式会社
    • UNO KAZUFUMITAKEI FUMIOKASASHIMA TAKEO
    • G01K11/12
    • PROBLEM TO BE SOLVED: To provide a temperature measurement system and an optical fiber connection method without requiring correction of a measurement point by using a heating device even when an optical fiber connection work is performed. SOLUTION: When an optical fiber 24 is cut, a temperature measurement device 20 counts the number of measurement points determined by the length of the optical fiber 24 and a period of a clock signal. The measurement point closest to the cut part is specified. The clock signal is then delayed until the number of measurement points changes (decreases) to specify the cut part. The distance from the measurement point closest to the cut part to the cut part is calculated. Next, the length from the position of a reference marker 53 of an optical fiber 54 to be connected to the existing optical fiber 24 to the cut position is calculated. The optical fiber 54 is cut in response to the calculation result, and is connected to the optical fiber 24 by a method such as fusion splicing. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在执行光纤连接工作时,也可以通过使用加热装置来提供温度测量系统和光纤连接方法,而不需要校正测量点。 解决方案:当切割光纤24时,温度测量装置20对由光纤24的长度和时钟信号的周期确定的测量点的数量进行计数。 指定最接近切割部分的测量点。 然后延迟时钟信号直到测量点的数量发生变化(减小)以指定切割部分。 计算最接近切割部分的测量点到切割部分的距离。 接下来,计算从连接到现有光纤24的光纤54的基准标记53的位置到切断位置的长度。 光纤54根据计算结果被切断,并通过熔接等方法与光纤24连接。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Hologram-recording/reproducing device
    • 自动记录/再现设备
    • JP2006277873A
    • 2006-10-12
    • JP2005098123
    • 2005-03-30
    • Fujitsu Ltd富士通株式会社
    • YOSHIKAWA HIROYASUTEZUKA KOICHIUNO KAZUFUMI
    • G11B7/0065G03H1/26G11B7/135
    • G11B7/0065G03H1/22G03H1/2286G03H2001/2223G03H2001/2289G11B7/00772G11B7/08564G11C13/042
    • PROBLEM TO BE SOLVED: To provide a hologram-recording/reproducing device capable of reproducing recorded information by surely detecting a return light, even if the wavelength during reproduction is different from that during recording. SOLUTION: This device is provided with a movable optical element 9 for changing the incident angle of a reference light R on a hologram recording medium B; a movable optical element control means for making a movable optical element 11 operate so that the incident angle of the reference light R becomes a predetermined angle α, β, γ when a hologram H is recorded in the hologram recording medium B, and operating the movable optical element 11 so as to continuously change the incident angle of the reference light R within a predetermined angle range θ containing the predetermined angles α, β, γ, when the recorded information is reproduced based on the hologram H; and a reproducing means for capturing a light-receiving signal, corresponding to intensity of a return light P from a photodetector and reproducing the recorded information, on the basis of a light-receiving signal, when the intensity becomes equal to or higher than a predetermined level or maximum during the continuous change of the incident angle of the reference light R. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:即使再现期间的波长与记录期间的波长不同,也可提供能够通过可靠地检测返回光来再现记录信息的全息记录/再生装置。 解决方案:该装置设置有用于改变全息图记录介质B上的参考光R的入射角的可移动光学元件9; 可移动光学元件控制装置,用于使可动光学元件11工作,使得当全息图H记录在全息图记录介质B中时参考光R的入射角度成为预定角度α,β,γ, 光学元件11,以便当基于全息图H再现记录信息时,将参考光R的入射角度连续地变化到包含预定角度α,β,γ的预定角度范围θ内; 以及再现装置,用于当光强度变得等于或高于预定值时,根据光接收信号,从光电检测器捕获对应于返回光P的强度并再现记录信息的光接收信号 在参考光R的入射角的连续变化期间的电平或最大值。(C)2007,JPO和INPIT
    • 7. 发明专利
    • Hologram recorder
    • HOLOGRAM记录仪
    • JP2006259518A
    • 2006-09-28
    • JP2005079471
    • 2005-03-18
    • Fujitsu Ltd富士通株式会社
    • SHIMOKAWA SATOSHIUNO KAZUFUMITEZUKA KOICHI
    • G03H1/26
    • PROBLEM TO BE SOLVED: To provide a hologram recorder capable of easily making a bit error rate lower.
      SOLUTION: The hologram recorder is equipped with a beam paralleling means for converting the light beam emitted from a light source to parallel beams, a beam expanding means 3 for expanding the light beam passed through the beam paralleling means, a beam separating means for separating the light beam passed through the beam expanding means 3 into the recording light for hologram recording and reference light and a spatial optical modulation means 5 for modulating the recording light from the beam separating means to light indicating two-dimensional information, wherein the data patterns of the spatial optical modulation means are divided into several regions so that the data patterns are temporally divided and/or multiplex recorded.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够容易地使误码率更低的全息记录器。 解决方案:全息记录仪配备有用于将从光源发射的光束转换成平行光束的光束并行装置,用于扩展通过光束并联装置的光束的光束扩展装置3,光束分离装置 用于将通过光束扩展装置3的光束分离成用于全息图记录和参考光的记录光和用于将来自光束分离装置的记录光调制到指示二维信息的光的空间光学调制装置5,其中数据 空间光调制装置的图形被划分成几个区域,使得数据模式在时间上被划分和/或复用地记录。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Magnetooptical head
    • 磁电头
    • JP2006048847A
    • 2006-02-16
    • JP2004229638
    • 2004-08-05
    • Fujitsu Ltd富士通株式会社
    • UNO KAZUFUMITEZUKA KOICHI
    • G11B11/105G02B7/02G02B7/04G02B7/08G02B13/00G02B13/18G11B7/135
    • PROBLEM TO BE SOLVED: To provide a magnetooptical head generally small in variation of numerical aperture and aberration due to interval variation. SOLUTION: A magnetooptical head H is equipped with a first lens system L1 and a second lens system L2 for forming an optical spot on a magnetooptical disc 80 and, a lens barrel member 30 to which these first and second lens systems L1, L2 are fixed with spaces in-between. A lens 24 with a coil having a coil 25 for applying a magnetic field to the magnetooptical disc 80 is included in the second lens system L2, and the lens 24 with the coil is in proximity of the magnetooptical disk 80. When the numerical aperture of the whole lens systems consisting of the first lens system L1 and the second lens system L2 is NA, focal length of the whole lens systems is f, independent focal length of the first lens system L1 is f1, and β=f/f1, the first lens system L1 and the second lens system L2 are configured to satisfy 0.84≤NA≤0.9 and 0.3 COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供由于间隔变化而导致的数值孔径和像差的变化很小的磁光头。 解决方案:磁光头H配备有第一透镜系统L1和用于在磁光盘80上形成光点的第二透镜系统L2和透镜筒构件30,这些第一和第二透镜系统L1, L2固定有中间的空格。 具有用于向磁光盘80施加磁场的线圈25的线圈的透镜24包括在第二透镜系统L2中,并且具有线圈的透镜24位于磁光盘80附近。当数字孔径 由第一透镜系统L1和第二透镜系统L2组成的整个透镜系统为NA,整个透镜系统的焦距为f,第一透镜系统L1的独立焦距为f1,β= f / f1, 第一透镜系统L1和第二透镜系统L2被构造成满足0.84≤NA≤0.9且0.3 <β<0.39。 版权所有(C)2006,JPO&NCIPI