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1. 发明专利

JP2013109120A Optical fiber fusion splicing method 审中-公开
标题翻译：光纤熔丝分离方法
公开(公告)号：JP2013109120A
公开(公告)日：2013-06-06
申请号：JP2011253560
申请日：2011-11-21
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： KONUMA TOMOHIRO , KAWANISHI NORIYUKI , TAKAHASHI ATARU
IPC分类号： G02B6/255
CPC分类号： G02B6/2551
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber fusion splicing method which allows for inspecting entire end faces of optical fibers for cracks and hackles and removing detected cracks and hackles before fusing the end faces of the optical fibers together.SOLUTION: An optical fiber fusion splicing method for fusing end faces of a pair of optical fibers 1, 3 is provided. Images of the end faces 1a, 3a of the optical fibers 1, 3 are acquired from the front thereof by image capturing means 23, 25, 27 which are positioned to face the end faces 1a, 3a. Electrical discharge processing is applied on to the end faces on which cracks and hackles have been detected by detection means, after which the end faces of the optical fibers are fused together.
摘要翻译：要解决的问题：提供一种光纤熔接方法，其允许在将光纤的端面熔合在一起之前检查光纤的整个端面的裂纹和咔嗒声，并去除检测到的裂纹和咔嗒声。解决方案：提供一种用于融合一对光纤1,3的端面的光纤熔接方法。通过面向端面1a，3a定位的图像捕获装置23,25,27从其前方获取光纤1,3的端面1a，3a的图像。通过检测装置对已经检测出裂纹和咔嗒声的端面施加放电处理，之后将光纤的端面熔合在一起。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2006235362A Optical fiber bending light-receiving head 审中-公开
标题翻译：光纤弯曲收光头
公开(公告)号：JP2006235362A
公开(公告)日：2006-09-07
申请号：JP2005051475
申请日：2005-02-25
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： TAKASHIMA TORU , KONUMA TOMOHIRO , TABATA MANABU , NIIMI SHINICHI
IPC分类号： G02B6/42 , G01M11/00 , G02B6/00
摘要： PROBLEM TO BE SOLVED: To properly perform live wire identification and fiber identification of optical fibers having different coating outer diameters by one bending light-receiving head without selecting or replacing bending light-receiving heads in accordance with coating outer diameters of optical fibers to enable it to conduct core wire contrast test appropriately. SOLUTION: A bending deformation giving groove 50 is set to a shape including; a central bend part 51 bent at a center angle of ≥90°; both side circular arc parts 52 and 53 which are in positions on both sides of the central bend part 51 and are formed by circular arcs having center angles of ≥90° with a radius vector opposite to that of the central bend part 51; and linear parts 54 and 55 which tangentially connect end parts of the central bend part 51 and end parts of both side circular arc parts 52 and 53 to each other. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过一个弯曲的光接收头来适当地执行具有不同涂层外径的光纤的活线识别和光纤识别，而不根据光纤的涂层外径选择或替换弯曲的光接收头使其能够适当地进行芯线对比测试。解决方案：将弯曲变形给定槽50设定为包括以下形状的形状：弯曲中心角≥90°的中心弯曲部51; 两侧圆弧部分52和53位于中心弯曲部分51两侧的位置，并且具有与中心弯曲部分51的中心角度相反的中心角≥90°的圆弧; 以及将中心弯曲部51的端部和两侧圆弧部52,53的端部切向地相互连接的线状部54,55。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2013054192A Fusion splicer and optical fiber determination method 有权
标题翻译：熔丝分离器和光纤光纤测定方法
公开(公告)号：JP2013054192A
公开(公告)日：2013-03-21
申请号：JP2011191908
申请日：2011-09-02
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： ONOZAKI SHU , KAWANISHI NORIYUKI , KONUMA TOMOHIRO
IPC分类号： G02B6/255
CPC分类号： G02B6/2553 , G02B6/2551 , G02B6/2555 , G06T7/001
摘要： PROBLEM TO BE SOLVED: To provide a fusion splicer capable of improving determination accuracy of an optical fiber type.SOLUTION: The fusion splicer includes: an imaging unit 12 which irradiates an object optical fiber 2 with light from a lateral side of the object optical fiber 2 to pick up a lateral transmission image; and a determination unit 20 which generates an object brightness distribution in a direction orthogonal to an optical axis of the object optical fiber 2, from the lateral transmission image and compares the object brightness distribution with data of a reference brightness distribution of a preliminarily registered reference optical fiber to determine a type of the object optical fiber. The reference brightness distribution is obtained by picking up a plurality of lateral transmission images of the reference optical fiber by the imaging unit 12 while rotating the reference optical fiber and averaging a plurality of brightness distributions generated from the plurality of lateral transmission images.
摘要翻译：要解决的问题：提供一种能够提高光纤类型的测定精度的熔接机。解决方案：熔接机包括：成像单元12，其从物体光纤2的侧面照射来自物体光纤2的光以拾取横向透射图像; 以及确定单元20，其从横向透射图像生成与物体光纤2的光轴正交的方向上的物体亮度分布，并将对象亮度分布与预先登记的参考光学参考亮度分布的数据进行比较光纤确定对象光纤的类型。参考亮度分布通过在旋转参考光纤并平均从多个横向透射图像生成的多个亮度分布的同时通过成像单元12拾取参考光纤的多个横向透射图像来获得。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012242599A Optical fiber discrimination method and optical fiber fusion splicing method 审中-公开
标题翻译：光纤分离方法和光纤熔丝分离方法
公开(公告)号：JP2012242599A
公开(公告)日：2012-12-10
申请号：JP2011112454
申请日：2011-05-19
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： TAKAHASHI ATARU , KONUMA TOMOHIRO , KUBO TOSHIKI
IPC分类号： G02B6/255
CPC分类号： G01N21/84 , G02B6/2551 , G02B6/2553
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber discrimination method which is capable of accurately discriminating a type of an optical fiber even in the case that it is difficult to recognize brightness waveform features of the optical fiber, such as an optical fiber having a complicated refractive index distribution or an elliptic core optical fiber.SOLUTION: When end surfaces 1a and 3a of a pair of optical fibers 1 and 3 are fusion-spliced together, a type of the optical fibers is discriminated from picked-up images of the end surfaces of the optical fibers. Brightness patterns of the optical fiber end surfaces obtained by picking up images of the end surfaces of the optical fibers from the front by imaging means 25 and 27 disposed so as to face the end surface of the optical fibers are collated with basic brightness patterns preliminarily stored per type of optical fibers, and a basic brightness pattern matching the brightness patterns is obtained to discriminate the type of the optical fibers.
摘要翻译：要解决的问题：为了提供即使在难以识别诸如光纤的光纤的亮度波形特征的情况下也能够精确地识别光纤的类型的光纤鉴别方法具有复杂的折射率分布或椭圆芯光纤。解决方案：当一对光纤1和3的端面1a和3a被熔接在一起时，从光纤端面的拾取图像中区分出一种类型的光纤。通过从配置成面对光纤的端面的成像装置25,27从前方拾取光纤的端面的图像而得到的光纤端面的亮度图案与预先存储的基本亮度图案每种类型的光纤，并且获得与亮度图案匹配的基本亮度图案，以区分光纤的类型。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2010164697A Apparatus and method of removing coating of coated optical fiber 审中-公开
标题翻译：涂层光纤涂层的设备及方法
公开(公告)号：JP2010164697A
公开(公告)日：2010-07-29
申请号：JP2009005747
申请日：2009-01-14
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： KANDA YOSHIHARU , KONUMA TOMOHIRO , AOYANAGI YUTAKA , KAWANISHI NORIYUKI
IPC分类号： G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus of removing a coating of a coated optical fiber, by which degrading of fracture strength of an optical fiber can sufficiently be suppressed even after the removal of the coating of the coated optical fiber. SOLUTION: The method of removing the coating of the coated optical fiber includes: a first stage in which a coated optical fiber F is fixed on a fiber arrangement surface with a pair of clamps; a second stage in which, from the coated optical fiber F, a planned removal part is removed among the unremoved parts of a specific part 51a using a removing blade 3; and a third stage in which the removing blade 3 is arranged in a position facing the planned removal part among the unremoved parts remaining in the specific part 51a. The second stage includes: a process of making the removing blade 3 bite in the coated optical fiber F; a process of spacing the edge 3a of the removing blade 3 from an optical fiber 50; and a process of moving the removing blade 3 along the optical axis direction of the coated optical fiber F while the planned removal part is removed. After the third stage, the second stage and the third stage are alternately carried out, thereby removing the unremoved part remaining in the specific part 51a. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种去除涂覆光纤的涂层的方法和装置，即使在去除涂覆光学涂层之后也可以充分抑制光纤的断裂强度的降低纤维。解决方案：去除涂覆光纤的涂层的方法包括：第一阶段，其中涂覆的光纤F用一对夹具固定在纤维布置表面上; 在涂布光纤F中，使用去除刀片3在规定部位51a的未被除去的部分中除去规划的取出部的第二阶段; 以及第三阶段，其中移除刀片3布置在保留在特定部分51a中的未移除部分中面向计划移除部分的位置。第二阶段包括：使除去刮板3咬在被覆光纤F中的工序; 将去除刀片3的边缘3a与光纤50间隔开的过程; 以及在移除规划的移除部的同时沿着被覆光纤F的光轴方向移动移除刮板3的工序。在第三阶段之后，交替执行第二阶段和第三阶段，从而去除残留在特定部分51a中的未移动部分。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2007232439A Optical fiber ring interference type sensor 审中-公开
标题翻译：光纤环型干涉型传感器
公开(公告)号：JP2007232439A
公开(公告)日：2007-09-13
申请号：JP2006051908
申请日：2006-02-28
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： KONUMA TOMOHIRO , TAKASHIMA TORU , NIIMI SHINICHI , ISHII MASANORI
IPC分类号： G01H9/00 , G01B11/00
摘要： PROBLEM TO BE SOLVED: To specify a breaking position of an optical fiber, even when the optical fiber is broken, in an optical fiber ring interference type sensor.
SOLUTION: This optical fiber ring interference type sensor is equipped with the optical fiber 11 juxtaposed with optical fiber rings La, Lb constituting the sensor; and an OTDR measuring means 12 for allowing light to enter one end of the optical fiber 11, and measuring a change with time of the intensity of the light returning to its end face. Preferably, the optical fiber rings La, Lb and the optical fiber 11 are stored within the same coating and constituted integrally.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使当光纤断裂时，也可以在光纤环干涉型传感器中指定光纤的断开位置。解决方案：该光纤环干涉型传感器配备有与构成传感器的光纤环La，Lb并列的光纤11; 以及用于允许光进入光纤11的一端的OTDR测量装置12，并且测量返回到其端面的光的强度随时间的变化。优选地，光纤环La，Lb和光纤11被存储在同一涂层内并构成一体。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2014123157A Optical fiber discrimination method and optical fiber fusion splicing method 审中-公开
标题翻译：光纤分离方法和光纤熔丝分离方法
公开(公告)号：JP2014123157A
公开(公告)日：2014-07-03
申请号：JP2014073762
申请日：2014-03-31
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： TAKAHASHI ATARU , KONUMA TOMOHIRO , KUBO TOSHIKI
IPC分类号： G02B6/255
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber discrimination method which is capable of accurately discriminating a type of an optical fiber even in the case that it is difficult to recognize brightness waveform features of the optical fiber, such as an optical fiber having a complicated refractive index distribution or an elliptic core optical fiber.SOLUTION: When end surfaces 1a and 3a of a pair of optical fibers 1 and 3 are fusion-spliced together, a type of the optical fibers is discriminated from picked-up images of the end surfaces of the optical fibers. Brightness patterns of the optical fiber end surfaces obtained by picking up images of the end surfaces of the optical fibers from the front by imaging means 25 and 27 disposed so as to face the end surface of the optical fibers are collated with basic brightness patterns preliminarily stored per type of optical fibers, and a basic brightness pattern matching the brightness patterns is obtained to discriminate the type of the optical fibers.
摘要翻译：要解决的问题：为了提供一种能够精确地识别光纤类型的光纤鉴别方法，即使在难以识别诸如具有复杂的光纤的光纤的光纤的亮度波形特征的情况下折射率分布或椭圆芯光纤。解决方案：当一对光纤1和3的端面1a和3a被熔接在一起时，从端面的拾取图像中区分出一种类型的光纤的光纤。通过从配置成面对光纤的端面的成像装置25,27从前方拾取光纤的端面的图像而得到的光纤端面的亮度图案与预先存储的基本亮度图案每种类型的光纤，并且获得与亮度图案匹配的基本亮度图案，以区分光纤的类型。

8. 发明专利

JP2008275536A Optical fiber bending head and optical fiber identification device 审中-公开
标题翻译：光纤弯曲头和光纤识别装置
公开(公告)号：JP2008275536A
公开(公告)日：2008-11-13
申请号：JP2007121581
申请日：2007-05-02
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： KONUMA TOMOHIRO , IDE HIROMI , KAWANISHI NORIYUKI
IPC分类号： G01M11/00 , G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber bending head that can reduce pressing force in bending, and an optical fiber identification device. SOLUTION: The optical fiber bending head 10 has a projecting head member 2 having a curved protrusion 1, and a recessed head member 4 having a recess 3, wherein the projecting and recessed head members 2, 4 define a bending section 5 for pressing an optical fiber 30 to bend it. The bending section 5 has a bending part 11 applying bending to the optical fiber 30 by the curved protrusion 1 and the recess 3, and straight line parts 12, 12 extending in a tangential direction of the curved protrusion 1 from both ends of the bending part 11. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以减少弯曲中的按压力的光纤弯曲头和光纤识别装置。解决方案：光纤弯曲头10具有具有弯曲突起1的突出头部构件2和具有凹部3的凹陷头构件4，其中，突出和凹入的头部构件2,4限定弯曲部5，按压光纤30使其弯曲。弯曲部5具有弯曲部11，该弯曲部11通过弯曲突起1和凹部3向光纤30弯曲，从弯曲部2的两端沿弯曲突起1的切线方向延伸的直线部12,12 11.版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2004341452A Method and device for automatically discriminating constant polarization optical fiber, and method and device for splicing constant polarization optical fibers 有权
标题翻译：用于自动分辨恒定偏振光纤的方法和装置，以及用于分离恒定偏振光纤的方法和装置
公开(公告)号：JP2004341452A
公开(公告)日：2004-12-02
申请号：JP2003140946
申请日：2003-05-19
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： KONUMA TOMOHIRO , KAWANISHI NORIYUKI , SAITO SHIGERU
IPC分类号： G02B6/255
摘要： PROBLEM TO BE SOLVED: To provide a method for performing fusion splice of fibers based on the selected information by automatically discriminating the kind of two constant polarization optical fibers to be spliced, and automatically selecting a rotation aligning method and splice condition corresponding to the kind. SOLUTION: Each correlation coefficient is determined between the brightness information that can be determined from the brightness distribution extracted from a transmission light image of the constant polarization optical fiber end parts to be spliced under the 1st and 2nd foci by using a CCD camera for the X-axis, and the reference brightness information of the kind of each fiber pre-stored in ROM. Further, the kind of fiber is discriminated by using these correlation coefficients, and the rotation aligning method and the splice condition are selected (step S4). Next, after the rotation alignment of the constant polarization optical fibers to be spliced is carried out (step S5) based on the selected rotation aligning method, the alignment is carried out about X- and Y-axes (step S6), and finally, fusion splicing is carried out (step S7) based on the selected splice condition. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过自动识别待拼接的两个恒定偏振光纤的种类，基于所选择的信息进行光纤融合的方法，并且自动选择对应于那种。解决方案：通过使用CCD照相机，可以从可从第一和第二焦点下拼接的恒定偏振光纤端部的透射光图像提取的亮度分布确定的亮度信息之间确定每个相关系数对于X轴，以及预先存储在ROM中的每种光纤的种类的参考亮度信息。此外，通过使用这些相关系数来区分光纤的种类，并且选择旋转对准方法和接合条件（步骤S4）。接下来，在根据所选择的旋转对准方法进行待拼接的恒定偏振光纤的旋转对准（步骤S5）之后，对X轴和Y轴进行对准（步骤S6），最后，基于所选择的拼接条件进行熔接（步骤S7）。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005049388A Electric discharge machining method and device 审中-公开
标题翻译：电动放料加工方法与装置
公开(公告)号：JP2005049388A
公开(公告)日：2005-02-24
申请号：JP2003202977
申请日：2003-07-29
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： KAWANISHI NORIYUKI , KONUMA TOMOHIRO , SUZUKI JUNICHI
IPC分类号： G02B6/255 , G02B6/30
摘要： PROBLEM TO BE SOLVED: To provide an electric discharge machining method and device that can uniformly heat a desired position by electric discharge in an easy and simple control method and that can also reduce machining cost. SOLUTION: Oppositely facing parts of two objects to be joined are fusion-welded by melt-heating through electric discharge produced between two discharge electrodes. The two discharge electrodes are set in a chevron shape so as to form a spreading angle θ, with the tip ends arranged close to the end face of one of the objects. A heat resistant insulation rod is arranged between the discharge electrodes, with the tip end of the rod disposed in a manner projecting by a prescribed length from the line connecting between the tip ends of the discharge electrodes. After an electric discharge is generated between the discharge electrodes, the melt-heated part of one object is pressurized with the end face of the other object to perform fusion-welding. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够以简单且简单的控制方法均匀地加热期望位置的放电加工方法和装置，并且还可以降低加工成本。解决方案：通过在两个放电电极之间产生的放电通过熔融加热将待接合的两个物体的相对面对的部分进行熔融熔化。两个放电电极被设置为人字形，以形成扩展角度θ，其顶端设置成靠近物体之一的端面。在放电电极之间设置有耐热绝缘棒，杆的前端以从连接放电电极的前端的线突出规定长度的方式设置。在放电电极之间产生放电之后，一个物体的熔融加热部分被另一个物体的端面加压以进行熔焊。版权所有（C）2005，JPO＆NCIPI

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