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1. 发明专利

JP2010085320A Optical fiber vibration sensor 审中-公开
标题翻译：光纤振动传感器
公开(公告)号：JP2010085320A
公开(公告)日：2010-04-15
申请号：JP2008256565
申请日：2008-10-01
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： OGURA MASANORI , OGURA AKIRA , KAWAUCHI HIDEKI
IPC分类号： G01H9/00 , G01V1/16 , G01V1/30
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber vibration sensor of the Sagnac interference type capable of detecting vibration, and also obtaining position information where the vibration generates.
SOLUTION: In the optical fiber vibration sensor of the Sagnac interference type which includes optical fiber loops 2a and 2b deployed along a structure 4 detecting vibration and a vibration sensor body 3 detecting vibration generated in the structure 4 through the optical fiber loop 2a and 2b, while partitioning the structure 4 into two test object domains A and B in a longitudinal direction, the optical fiber loops 2a and 2b are deployed in both test object domains A and B, respectively, along the structure 4, position information is detected on the structure 4 the vibration generates from the intensity difference, the intensity ration, and the phase difference of vibration detected by both optical fiber loops 2a and 2b.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够检测振动的Sagnac干涉型光纤振动传感器，并且还获得振动产生的位置信息。解决方案：在包括检测振动的结构4中展开的光纤环路2a和2b的Sagnac干涉型光纤振动传感器和通过光纤环路2a检测在结构体4中产生的振动的振动传感器体3 和2b，沿着纵向将结构4分割成两个测试对象域A和B，光纤环路2a和2b分别沿着结构4展开在两个测试对象域A和B中，检测位置信息在结构4上，由两个光纤环路2a和2b检测的强度差，强度比和振动的相位差产生振动。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009145075A Optical rotary encoder and liquid level meter using the same 审中-公开
标题翻译：光学旋转编码器和液位计使用相同
公开(公告)号：JP2009145075A
公开(公告)日：2009-07-02
申请号：JP2007319892
申请日：2007-12-11
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： KUMAGAI TATSUYA , OGURA AKIRA
IPC分类号： G01D5/36 , G01F23/40
摘要： PROBLEM TO BE SOLVED: To provide an explosionproof-type optical rotary encoder using no electric power supply for its measurement part.
SOLUTION: This optical rotary encoder is equipped with a transmissive rotary disk 10, an optical transmission path 7 for transmission to apply light from a light source 4 to the rotary disk 10 while causing the light to propagate therethrough, an optical transmission path 8 for reception to receive light transmitted by the rotary disk 10 as transmitted light, a light receiver 5 for detecting the transmitted light propagated by the transmission path 8, and a control circuit 6 for controlling the light source 4 and finding a rotation angle of the rotary disk 10 by using an electric signal from the light receiver 5. A control part 2 comprising the light source 4, the light receiver 5, and the control circuit 6, is formed separately from a measurement part 3 comprising the rotary disk 10.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于其测量部件的不使用电源的防爆型光学旋转编码器。解决方案：该光学旋转编码器配备有透射旋转盘10，用于透射的光传输路径7，用于将来自光源4的光施加到旋转盘10，同时使光在其中传播，光传输路径 8，用于接收由旋转盘10传输的光作为透射光;受光器5，用于检测由传输路径8传播的透射光;以及控制电路6，用于控制光源4并找到旋转盘10通过使用来自光接收器5的电信号。包括光源4，光接收器5和控制电路6的控制部分2与包括旋转盘10的测量部分3分开地形成。 P>版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2006030648A Variable optical attenuator and its control method 审中-公开
标题翻译：可变光学衰减器及其控制方法
公开(公告)号：JP2006030648A
公开(公告)日：2006-02-02
申请号：JP2004209983
申请日：2004-07-16
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： HAJIKAWA SATORU , OGURA AKIRA
IPC分类号： G02B6/12 , G02B6/122
摘要： PROBLEM TO BE SOLVED: To provide a variable optical attenuator of waveguide type capable of freely arranging a plurality of optical attenuation circuits within an element independently of mutual thermal influence among the circuits, and to provide a control method of the variable optical attenuator. SOLUTION: In the variable optical attenuator 1 of planar lightwave circuit (PLC) type, an inputted optical signal is demultiplexed and two or more optical attenuation circuits 20a-20c comprising Mach-Zehnder interferometric circuit 20 which has two arm waveguides for transmitting the demultiplexed optical signals and has heating means 8a, 8b for heating the arm waveguides near at least one of arm waveguides are disposed adjacently on the same substrate. The variable attenuator 1 is further provided with a control circuit 1t which corrects the mutual thermal influence among the respective optical attenuation circuits 20a-20c due to the heating with the heating means 8a, 8b so that respective optical attenuation amounts of the respective optical attenuation circuits 20a-20c become the prescribed optical attenuation amounts and controls respective heating amounts of the respective heating means 8a, 8b. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够独立于电路之间的相互热影响在元件内自由布置多个光衰减电路的波导型可变光衰减器，并且提供可变光衰减器的控制方法。解决方案：在平面光波电路（PLC）类型的可变光衰减器1中，输入的光信号被解复用，以及包括马赫 - 曾德干涉电路20的两个或更多个光衰减电路20a-20c，该电路具有两个臂波导用于传输解复用的光信号并且具有用于加热臂波导中的至少一个的臂波导的加热装置8a，8b相邻地设置在相同的基板上。可变衰减器1还设置有控制电路1t，该控制电路1t由于与加热装置8a，8b的加热而校正各个光衰减电路20a-20c之间的相互热影响，使得相应的光衰减电路的光衰减量 20a-20c成为规定的光衰减量并控制各加热装置8a，8b的各自的加热量。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006011278A Tandem connection type multicore variable optical attenuator 有权
标题翻译： TANDEM连接型多功能可变光学衰减器
公开(公告)号：JP2006011278A
公开(公告)日：2006-01-12
申请号：JP2004191711
申请日：2004-06-29
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： TAKASUGI SATORU , SATO SHINOBU , HAJIKAWA SATORU , OGURA AKIRA
IPC分类号： G02F1/01
摘要： PROBLEM TO BE SOLVED: To provide a tandem connection type multicore variable optical attenuator whose size is small, which can be worked easily, and with which stable light attenuation control can be made. SOLUTION: In the variable optical attenuator 19 which has a Mach-Zehnder type optical waveguide 17 for connecting a couple of branch waveguides 13 and 14 to an input waveguide 11 and an output waveguide 12, is provided with a thin film heater 18 above one branch waveguide 13 between the couple of branch waveguides 13 and 14, and adjusts the attenuation quantity of signal light, by supplying electricity to the thin film heater 18, Mach-Zehnder type optical waveguides 17 and 27 are connected in tandem manner in two stages, in the optical path direction and a plurality of tandem-connected Mach-Zehnder type optical waveguides 17 and 27, and 27b and 27b are formed on one substrate 51 in parallel; and thin-film heaters 18 and 28 are provided above the branch waveguides 13 and 14 on mutually different sides in the two tandem-connected Mach-Zehnder type optical waveguides 17 and 27 and above the branch waveguides 13 and 13b installed on the same sides in the parallel-arranged Mach-Zehnder type optical waveguides 17 and 17b. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种尺寸小，可以容易地工作并且可以进行稳定的光衰减控制的串联连接型多芯可变光衰减器。解决方案：在具有用于将一对分支波导13和14连接到输入波导11和输出波导12的马赫 - 曾德尔型光波导17的可变光衰减器19中设置有薄膜加热器18 在一对分支波导13和14之间的一个分支波导13上方，并且通过向薄膜加热器18供电来调节信号光的衰减量，马赫 - 策德尔型光波导17和27以两个方式串联连接在一个基板51上平行地形成光路方向的阶段和多个串联连接的马赫 - 曾德尔型光波导17和27以及27b和27b; 并且薄膜加热器18和28设置在两个串联连接的马赫 - 策德尔型光波导17和27中以及安装在同一侧的分支波导13和13b上方的不同侧上的分支波导13和14上方平行布置的马赫 - 曾德尔型光波导17和17b。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2014013354A Multi-core interface and manufacturing method for the same 审中-公开
标题翻译：多核接口及其制造方法
公开(公告)号：JP2014013354A
公开(公告)日：2014-01-23
申请号：JP2012151447
申请日：2012-07-05
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： YAO BING , OSONO KAZUMASA , OGURA AKIRA
IPC分类号： G02B6/04 , G02B6/36
摘要： PROBLEM TO BE SOLVED: To provide a multi-core interface which prevents displacement of an optical axis of a narrow-diameter optical fiber or damage to an end face thereof when the end face is polished, and to provide a manufacturing method for the multi-core interface.SOLUTION: A multi-core interface 10 for input/output of an optical signal from/to a plurality of cores 31 of a multi-core fiber 30 comprises: a plurality of glass optical fibers 11 optically connected to the plurality of cores 31; and a low-fusing-point porous glass capillary 13, which has a fusing point lower than the fusing points of the plurality of glass optical fibers 11 and having a plurality of holes 12 in positions corresponding to the plurality of cores 31. The plurality of glass optical fibers 11 are inserted into the plurality of holes 12 of the low-fusing-point porous glass capillary 13, and are heated and integrated.
摘要翻译：要解决的问题：为了提供一种多孔接口，其在端面抛光时防止窄直径光纤的光轴位移或其端面的损坏，并且提供一种多芯接口的制造方法，核心接口。解决方案：用于输入/输出来自/到多芯光纤30的多个芯31的光信号的多核接口10包括：多个玻璃光纤11，其与多个核心光学连接 31; 以及低熔点多孔玻璃毛细管13，其具有比多个玻璃光纤11的熔点低的熔点，并且在多个芯31对应的位置具有多个孔12.多个玻璃光纤11插入到低熔点多孔玻璃毛细管13的多个孔12中，并被加热并整合。

6. 发明专利

JP2013171181A Multi-core fiber 审中-公开
标题翻译：多芯光纤
公开(公告)号：JP2013171181A
公开(公告)日：2013-09-02
申请号：JP2012035181
申请日：2012-02-21
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： OGURA AKIRA , YO HEI , OSONO KAZUMASA , WATANABE TOMONORI , SATO YOSHIAKI
IPC分类号： G02B6/04
摘要： PROBLEM TO BE SOLVED: To provide multi-core fiber in which crosstalk is less likely to occur even when the distance between adjacent cores is short, which can achieve higher density of a core as compared with conventional fiber, and can contribute to capacity increase and multiplexing of an optical transmission line.SOLUTION: Each of graded index multi-core fiber 10, 20 includes multiple cores 12a, 12b in a clad 11, and the multiple cores 12a, 12b are arranged in one or more folds of even-numbered angle shapes or rectangular grating shapes, in a cross-sectional view. Phase constant intervals of a first core 12a and a second core 12b being adjacent are made to be identical, and a phase constant of the second core 12b is positioned at the center of the phase constant interval of the first core 12a.
摘要翻译：要解决的问题：为了提供即使相邻芯之间的距离较短也可能发生串扰的多芯光纤，其可以实现与常规光纤相比更高的芯密度，并且可以有助于容量增加和光传输线的多路复用。解码：每个渐变折射率多芯光纤10,20包括在包层11中的多个芯12a，12b，并且多个芯12a，12b布置成偶数角度的一个或多个折叠形状或矩形光栅形状，在横截面视图中。相邻的第一芯12a和第二芯12b的相位恒定间隔相同，第二芯12b的相位常数位于第一芯12a的相位恒定间隔的中心。

7. 发明专利

JP2010237083A Intruder detection device and intruder detection method 有权
标题翻译：入侵检测装置和入侵检测方法
公开(公告)号：JP2010237083A
公开(公告)日：2010-10-21
申请号：JP2009086392
申请日：2009-03-31
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： OGURA AKIRA , KUMAGAI TATSUYA
IPC分类号： G01V8/16 , G01H9/00 , G01V8/12 , G08B13/186
摘要： PROBLEM TO BE SOLVED: To provide an intruder detection device and an intruder detection method, preventing erroneous decision caused by wind and improving intruder detection accuracy without applying high computation load, as one proposal for improving the degree of freedom of the design of a Sagnac interferometer optical fiber vibration sensor as a sensor for security. SOLUTION: The intruder detection device includes the optical fiber vibration sensor and an intruder detection part. The intruder detection part comprises an intruder determination unit and an alarm. The intruder determination unit comprises a data part preliminarily storing output level relative to a wind speed value, a wind speed determination part determining a wind speed based on detection signals from the optical fiber vibration sensor, and a threshold value determination part determining, with reference to the data stored in the data part, the output level for operating the alarm based on the wind speed determined. When the detection signals are larger than the output level for operating the alarm, alarm actuation signals are output. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供入侵者检测装置和入侵者检测方法，防止由风引起的错误决定，并且在不施加高计算负荷的情况下提高入侵者检测精度，作为提高设计自由度的一个提议 Sagnac干涉仪光纤振动传感器作为安全传感器。
解决方案：入侵者检测装置包括光纤振动传感器和入侵者检测部分。入侵者检测部分包括入侵者确定单元和报警器。入侵者确定单元包括预先存储相对于风速值的输出电平的数据部分，基于来自光纤振动传感器的检测信号确定风速的风速确定部分，以及阈值确定部分，参考存储在数据部分的数据，根据风速确定的操作报警的输出电平。当检测信号大于用于操作报警的输出电平时，输出报警启动信号。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2009117171A Manufacturing method of hollow strand, hollow strand, and contact sensor using hollow strand 审中-公开
标题翻译：中空杆，中空杆和接触传感器的制造方法
公开(公告)号：JP2009117171A
公开(公告)日：2009-05-28
申请号：JP2007288639
申请日：2007-11-06
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： OGURA AKIRA , SATO SHINOBU
IPC分类号： H01H11/00 , H01H13/18
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a hollow strand which can be easily made long and thin and is of low cost, a hollow strand, and a contact sensor using the hollow strand.
SOLUTION: A tape wire 4 is formed by arranging a plurality of lead wires 9 extending in a longitudinal direction of a sheet material 7 with a spacing in width direction on one face of the sheet material 7 made of a thermoplastic material 7, and the tape wire 4 is wound in spiral form with one face of the tape wire 4 facing a cylindrical curl-making jig 1, and the tape wire 4 heated and in plastic form is cooled in wound state on the curl-making jig 1, thereby, the curl shape is formed on the tape wire 4 and then, the tape wire 4 is separated from the curl-making jig 1 and formed in a cylindrical form.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供可以容易地制造得很长而成本低的中空股线的制造方法，中空股和使用中空股的接触传感器。解决方案：通过在由热塑性材料7制成的片材7的一个表面上布置沿着宽度方向间隔的片材7的纵向方向延伸的多根引线9，并且带状线4以带状线4的一个面朝向圆柱形卷曲夹具1的方式缠绕成螺旋形状，并且加热并呈塑性形式的带状线4在缠绕状态下被卷绕在卷曲夹具1上，从而在带状线4上形成卷曲形状，然后将带状线4与卷曲制品夹具1分离并形成为圆柱形。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2006275705A Device and method for compensating temperature characteristic of photoreception element 审中-公开
标题翻译：补偿光电元件温度特性的装置及方法
公开(公告)号：JP2006275705A
公开(公告)日：2006-10-12
申请号：JP2005094063
申请日：2005-03-29
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ITO MASANORI , HAJIKAWA SATORU , OGURA AKIRA
IPC分类号： G01J1/44 , H01L31/10
摘要： PROBLEM TO BE SOLVED: To provide a device for compensating a temperature characteristic of a light receiving element capable of detecting precisely light intensity over a wide range by the light receiving element, and capable of compensating the temperature characteristic of the light receiving element. SOLUTION: In this device 1 provided with the light receiving element 2 in an optical path of an optical module, for monitoring the light intensity of a light signal transmitted through the optical path, by the light receiving element element 2, for regulating the light intensity of the light signal on the basis of a light receiving element output detected by the light receiving element 2, and for compensating the temperature characteristic of the light receiving element 2, a temperature characteristic curve indicating a relationship between the light receiving element output and the light intensity of the light signal is found preliminarily in every ambient temperature of the light receiving element 2, a temperature characteristic data is prepared on the basis thereof to be stored in a control means 5, the light intensity of the light signal is regulated referring to the temperature characteristic data on the basis of the light receiving element output and the ambient temperature of the light receiving element 2, by the control means 5, when operating the optical module, and the temperature characteristic of the light receiving element 2 is compensated also therein. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于补偿能够通过光接收元件在宽范围内精确地检测光强的光接收元件的温度特性的装置，并且能够补偿光接收元件的温度特性。解决方案：在光学模块的光路中设置有光接收元件2的装置1中，用于监视通过光路传输的光信号的光强度，由光接收元件2调节基于由光接收元件2检测到的受光元件输出的光信号的光强度，以及用于补偿光接收元件2的温度特性的温度特性曲线，表示光接收元件输出并且在光接收元件2的每个环境温度下预先找到光信号的光强度，基于该温度特性数据准备存储在控制装置5中，对光信号的光强度进行调节参考基于光接收元件输出的温度特性数据和环境温度控制装置5中的光接收元件2在操作光学模块时，还补偿了光接收元件2的温度特性。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2005321711A Variable optical attenuator 审中-公开
标题翻译：可变光学衰减器
公开(公告)号：JP2005321711A
公开(公告)日：2005-11-17
申请号：JP2004141235
申请日：2004-05-11
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： SATO SHINOBU , HAJIKAWA SATORU , OGURA AKIRA
IPC分类号： G02F1/01
摘要： PROBLEM TO BE SOLVED: To suppress cost increase due to optical fiber connection in a variable optical attenuator connected in series and to provide a variable optical attenuator having high attenuation characteristics with low power consumption. SOLUTION: In the variable optical attenuator comprising the variable optical attenuator bodies 12, 14, which are constructed by using a phase modulator made of an optical waveguide type Mach Zehnder interferometer and a thin film heater 15, connected in series, the variable optical attenuator is constructed by mounting a reflection member 5 between the variable optical attenuator bodies 12, 14 connected in series, and making light outputted from one of the variable optical attenuator body 12 be reflected on the reflection member 5 and be inputted to the other variable optical attenuator body 14. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了抑制串联连接的可变光衰减器中的光纤连接造成的成本增加，并提供具有低功耗的高衰减特性的可变光衰减器。解决方案：在包括可变光衰减器体12,14的可变光衰减器中，其通过使用由光波导型马赫策德干涉仪构成的相位调制器和薄膜加热器15构成，串联连接，变量光衰减器通过将反射构件5安装在串联连接的可变光衰减体12,14之间并使从可变光衰减器体12之一输出的光在反射构件5上反射并输入到另一变量光衰减器体14.版权所有（C）2006，JPO＆NCIPI

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