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    • 4. 发明专利
    • Optical connector
    • 光学连接器
    • JP2013015747A
    • 2013-01-24
    • JP2011149753
    • 2011-07-06
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社Suzuki Giken:Kk株式会社 スズキ技研
    • YAMAGUCHI TAKASHITAKAHASHI SHIGEOTAKIZAWA KAZUHIRONUMATA TETSUHIROTAKAMIZAWA KAZUTOSHIDAIDO JUNJIIDA MASAHIROKATAYOSE KOICHIISHIZUKA KOUJI
    • G02B6/38G02B6/00
    • PROBLEM TO BE SOLVED: To prevent the generation of unnecessary gaps where a coated optical fiber is likely to buckle, in parts other than a part where an allowable gap m not allowing the coating optical fiber to buckle is secured, in a coating removal process of pressing the coated optical fiber to a coating removing portion to remove a coating of the coated optical fiber, with respect to an optical connector integrated with a mechanical splicing part and incorporating the coating removing portion including a sheath grasping member.SOLUTION: An optical connector has a coated optical fiber holding structure which secures the allowable gap m, and includes: an open guide which is provided as a part of a mechanical splicing part and can be moved in a fiber radial direction; and a movable guide which can push the open guide forward at a set timing to move it forward by being pushed forward by a sheath grasping member. The sheath grasping member has a conical convex portion at a front part thereof, and the movable guide has a conical concave portion on the sheath grasping member side, and the movable guide is pushed in by an optical fiber grasping member in a state where the conical convex portion of the sheath grasping member is in contact with the conical concave portion. A gap is not generated between the sheath grasping member and the movable guide.
    • 要解决的问题:为了防止在涂覆光纤可能弯曲时产生不必要的间隙,在不允许涂覆光纤弯曲的允许间隙m被确保的部分之外的部分中,在涂层中 相对于与机械接合部一体化的光连接器,将包覆的光纤压入涂层去除部分以除去涂覆的光纤的涂层的去除过程,并且包括包括鞘夹持部件的涂层去除部分。 解决方案:光连接器具有固定可允许间隙m的​​涂覆光纤保持结构,并且包括:开口引导件,其设置为机械接合部分的一部分并且可沿纤维径向方向移动; 以及可移动的导向件,其可以在设定的时间向前推动打开的导向件,以通过由夹持夹持构件向前推动而向前移动。 护套夹持部件的前部具有圆锥形凸部,并且可动引导件在护套夹持部件侧具有锥形凹部,并且可动引导件在光纤夹持部件被推入的状态下, 护套夹持构件的凸部与锥形凹部接触。 在护套夹持构件和可动引导件之间不产生间隙。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Optical fiber sensor
    • 光纤传感器
    • JP2009115697A
    • 2009-05-28
    • JP2007290849
    • 2007-11-08
    • Fujikura LtdNippon Telegr & Teleph Corp Suzuki Giken:Kk日本電信電話株式会社株式会社 スズキ技研株式会社フジクラ
    • TAMAKI YASUHIROKATAYOSE KOICHINAKAMURA KASHINOZAWA YUTAKAWATANABE TSUNEICHIENOMOTO YOSHITAKAOGATA KAZUYAAGATA KATSUSHI
    • G01N19/10G01N19/00
    • PROBLEM TO BE SOLVED: To provide an optical fiber sensor that can control the maximum value of the bending loss of an optical fiber and has improved detection sensitivity. SOLUTION: The optical fiber sensor includes: a reception member 1 having a local recess 1b on one surface 1a while the recess 1b and a protrusion 2a for sandwiching an optical fiber 70 form a fitting section; a stressing member 2 having the protrusion 2a; swelling members 3 provided at least at two locations before and behind in the longitudinal direction of the optical fiber 70 at a part excluding the protrusion 2a and at a part sandwiched by the optical fiber 70 at a side where the stressing member 2 is fitted; a support 4 of the swelling member 3 arranged between the swelling member 3 and the optical fiber 70; and a casing 5 for storing all of the reception member 1, stressing member 2, swelling member 3, and support 4. In the optical fiber sensor, the swelling member 3 is swollen in a direction where the stressing member 2 is separated from the reception member 1 when an object to be detected with which the swelling member 3 reacts enters the casing 5. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可以控制光纤的弯曲损耗的最大值的光纤传感器,并且提高检测灵敏度。 光纤传感器包括:接收构件1,其在一个表面1a上具有局部凹部1b,而凹部1b和用于夹持光纤70的突起2a形成配合部分; 具有突起2a的应力构件2; 至少在光纤70的长度方向前后的两个位置处的除了突起2a的部分和夹在应力构件2的一侧的光纤70的部分处的隆起构件3, 布置在膨​​胀构件3和光纤70之间的膨胀构件3的支撑件4; 以及用于存储所有接收构件1,应力构件2,隆起构件3和支撑件4的壳体5。在光纤传感器中,膨胀构件3在应力构件2与接收件分离的方向上膨胀 当被检测物体与溶胀构件3反应时,构件1进入壳体5.版权所有:(C)2009,JPO&INPIT
    • 7. 发明专利
    • Optical connector and assembling method of the same
    • 光连接器及其组装方法
    • JP2013015787A
    • 2013-01-24
    • JP2011150432
    • 2011-07-06
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社Suzuki Giken:Kk株式会社 スズキ技研
    • TAKAHASHI SHIGEOYAMAGUCHI TAKASHITAKIZAWA KAZUHIRONUMATA TETSUHIROTAKAMIZAWA KAZUTOSHINAITO TOKUHITOKATAYOSE KOICHIISHIZUKA KOUJI
    • G02B6/38G02B6/36
    • PROBLEM TO BE SOLVED: To provide an optical connector which can easily remove a coating of an insertion optical fiber, and an assembling method of the optical connector.SOLUTION: An optical connector includes: a ferrule 10 in which a tip end portion of a built-in optical fiber 12 is built; a first clamp portion 20 provided so as to ensure a space 18 in which the built-in optical fiber 12 can be deflection-deformed behind the ferrule 10 and between the ferrule 10 and the clamp 20, and capable of gripping and fixing an abutting portion P of a rear end portion 12d of the built-in optical fiber 12 and a bare optical fiber 3 exposed by removing a coating 2 of the insertion optical fiber 1; and a coating removal portion 31 for removing the coating 2 of the insertion optical fiber 1 behind the first clamp portion 20. The insertion optical fiber 1 is inserted and moved forward. The bare optical fiber 3 is made to abut on the rear end portion 12d of the built-in optical fiber 12, and pressed to deflection-deform the built-in optical fiber 12 in the space 18. In this state, the abutting portion P of the bare optical fiber 3 and the built-in optical fiber 12 can be gripped and fixed by the first clamp portion 20.
    • 要解决的问题:提供一种可以容易地去除插入光纤的涂层的光学连接器以及光学连接器的组装方法。 解决方案:光连接器包括:内置光纤12的前端部构成的套圈10; 第一夹持部20被设置成确保内置光纤12能够在套圈10之后以及套圈10和夹具20之间变形的空间18,并且能够夹持和固定抵接部 内置光纤12的后端部分12d的P和通过去除插入光纤1的涂层2而露出的裸光纤3; 以及用于去除插入光纤1的涂层2在第一夹持部分20后面的涂层去除部分31.插入光纤1被插入并向前移动。 裸光纤3与内置光纤12的后端部分12d抵接,并被按压使空间18内的内置光纤12偏转变形。在该状态下,抵接部P 裸光纤3和内置光纤12可以通过第一夹持部分20夹持和固定。版权所有:(C)2013,JPO&INPIT
    • 8. 发明专利
    • Optical connector
    • 光学连接器
    • JP2013015786A
    • 2013-01-24
    • JP2011150431
    • 2011-07-06
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社Suzuki Giken:Kk株式会社 スズキ技研
    • YAMAGUCHI TAKASHITAKAHASHI SHIGEOTAKIZAWA KAZUHIRONUMATA TETSUHIROTAKAMIZAWA KAZUTOSHIDAIDO JUNJIIDA MASAHIROKATAYOSE KOICHIISHIZUKA KOUJI
    • G02B6/38
    • PROBLEM TO BE SOLVED: To easily remove a coating of an insertion optical fiber by a coating removal portion.SOLUTION: An optical connector 100 includes: a first base member 51 and a first cover member 58 which clip a tip end portion of an insertion optical fiber 1 between guiding portions 26 and 50a, and move the tip end portion of the insertion optical fiber 1 forward while regulating deflection; a coating removal portion 31 for removing a coating 2 of the tip end portion of the insertion optical fiber 1; and a clamp portion 20 capable of gripping and fixing an abutting portion P of a bare optical fiber 3 from which the coating 2 is removed and a built-in optical fiber 12 of a ferrule 10. An opening guide 50 is moved so as to form a space on the guiding portion 26 of the first base member 51, and the insertion optical fiber 1 is deflection-deformed by first deflection width 4a in the space. The abutting portion of the optical fibers 3 and 12 is gripped and fixed by the clamp portion 20. An optical fiber retaining portion 59 is moved so as to further form a space on the first base member 51, and the insertion optical fiber 1 is deflection-deformed by second deflection width 7a larger than the first deflection width 4a.
    • 要解决的问题:通过涂层去除部分容易地去除插入光纤的涂层。 解决方案:光连接器100包括:第一基件51和第一盖构件58,其将插入光纤1的前端部分夹在引导部分26和50a之间,并使插入件的前端部分移动 光纤1向前同时调节偏转; 用于去除插入光纤1的前端部分的涂层2的涂层去除部分31; 以及夹持部分20,其能够夹持和固定去除了涂层2的裸光纤3的邻接部分P和套圈10的内置光纤12.打开引导件50移动以形成 第一基底部件51的引导部分26上的空间和插入光纤1在空间中由第一偏转宽度4a变形。 光纤3和12的邻接部分由夹持部分20夹持并固定。光纤保持部分59移动以便在第一基底部件51上进一步形成空间,并且插入光纤1是偏转 - 由第二偏转宽度7a变大,大于第一偏转宽度4a。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Optical connector
    • 光学连接器
    • JP2013015746A
    • 2013-01-24
    • JP2011149752
    • 2011-07-06
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社Suzuki Giken:Kk株式会社 スズキ技研
    • YAMAGUCHI TAKASHITAKAHASHI SHIGEOTAKIZAWA KAZUHIRONUMATA TETSUHIROTAKAMIZAWA KAZUTOSHIDAIDO JUNJIIDA MASAHIROKATAYOSE KOICHIISHIZUKA KOUJI
    • G02B6/38
    • PROBLEM TO BE SOLVED: To prevent an optical fiber grasping member from falling off due to a tension force acting on a coated optical fiber after optical connector assembly, with respect to a mechanical splicing type field assembly optical connector.SOLUTION: An optical fiber grasping member grasps a coated optical fiber to insert it into a mechanical splicing part. The optical fiber grasping member has an arm having, at a front end thereof, an engaging claw to be engaged with a connector component member. A lever which is to cover the optical fiber grasping member integrated with the connector component member is turnably provided on a stop ring. An arm deformation preventing piece which enters a gap between the engaging claw and an inner surface of a side wall of the stop ring in a state where the engaging claw at the front end of the arm of the optical fiber grasping member is engaged with the connector component member is provided on the lever. When the lever is turned down to cover the optical fiber grasping member, the arm deformation preventing piece enters the gap between the engaging claw and the inner surface of the side wall of the stop ring to restrain the engaging claw, so that the optical fiber grasping member does not fall off the connector component member.
    • 解决问题:相对于机械拼接型现场组装光连接器,为了防止光纤夹持构件由于在光连接器组装之后作用在涂覆光纤上的张力而脱落。 解决方案:光纤夹持件抓住涂覆的光纤将其插入到机械拼接部件中。 光纤抓持构件具有臂,其前端具有与连接器构件配合的接合爪。 用于覆盖与连接器构件构件一体化的光纤夹持构件的杆可转动地设置在止动环上。 在光纤夹持构件的臂的前端的接合爪与连接器接合的状态下进入接合爪与止动环的侧壁的内表面之间的间隙的臂变形防止件 组件构件设置在杠杆上。 当杠杆向下转动以覆盖光纤抓持构件时,臂变形防止件进入接合爪与止动环的侧壁的内表面之间的间隙以限制接合爪,使得光纤抓握 构件不会脱离连接器组件。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Optical connector
    • 光学连接器
    • JP2013015745A
    • 2013-01-24
    • JP2011149751
    • 2011-07-06
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社Suzuki Giken:Kk株式会社 スズキ技研
    • YAMAGUCHI TAKASHITAKAHASHI SHIGEOTAKIZAWA KAZUHIRONUMATA TETSUHIROTAKAMIZAWA KAZUTOSHINAITO TOKUHITOKATAYOSE KOICHIISHIZUKA KOUJI
    • G02B6/38G02B6/00
    • PROBLEM TO BE SOLVED: To prevent the occurrence of flexure and axial misalignment of a coated optical fiber extending from a sheath grasping member grasping a sheath of an optical cable.SOLUTION: An optical connector includes: a ferrule portion 3 incorporating a built-in optical fiber; a mechanical splicing portion 7 attached to a rear part of the ferrule portion, for butt joint between the built-in optical fiber and an inserted optical fiber obtained by removing a coating of a coated optical fiber 5 obtained by removing a sheath of an optical cable 4 inserted from the outside; a coating removing portion 20 for removing the coating of the coated optical fiber; and a sheath grasping member 11 for grasping the sheath of the optical cable at a rear end part of the connector. The sheath grasping member 11 includes sheath grasping parts 55 and 57 for grasping the sheath part of the optical cable and coating grasping parts 56 and 58 for grasping the coating part of the coated optical fiber. The sheath grasping member includes not only the sheath grasping parts 55 and 57 but also the coating grasping parts 56 and 58, so that flexure and axial misalignment of the coated optical fiber extending from the sheath grasping member can be prevented.
    • 要解决的问题:为了防止从夹持光缆护套的鞘抓持部件延伸的涂覆光纤发生挠曲和轴向未对准。 解决方案:光连接器包括:插入内置光纤的套圈部分3; 附接到套圈部的后部的机械接合部7,用于内置光纤与通过去除通过去除光缆的护套而获得的涂覆光纤5的涂层而获得的插入光纤之间的对接 4从外面插入; 用于去除涂覆光纤的涂层的涂层去除部分20; 以及用于在连接器的后端部抓住光缆的护套的护套抓持构件11。 鞘抓持构件11包括用于抓握光缆的护套部分的护套夹持部55和57以及用于抓住涂覆光纤的涂覆部分的涂覆抓持部56和58。 鞘夹持构件不仅包括护套夹持部55,57,还包括涂覆抓持部56,58,从而可以防止从护套夹持构件延伸的被覆光纤的挠曲和轴向未对准。 版权所有(C)2013,JPO&INPIT