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    • 3. 发明专利
    • Optical fiber cable
    • 光纤电缆
    • JP2014178442A
    • 2014-09-25
    • JP2013051769
    • 2013-03-14
    • Furukawa Electric Co Ltd:The古河電気工業株式会社Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • TSUKAMOTO MASAYOSHIIMADA EIJIOKADA NOBORUTAKAMIZAWA KAZUTOSHIAOYANAGI YUJIDAIDO JUNJIIIO HIRONARIKURAMOTO KEITA
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical fiber cable that suppresses protrusion of tension members and has excellent branching workability, and a method for branching the optical fiber cable.SOLUTION: Coated optical fibers 7, tension members 9, film-like members 13, and a supporting wire 15 are integrated by an outer housing 3. A plurality of the coated optical fibers 7 are disposed so as to come in contact with each other at approximately the center of the cross section of an optical fiber cable 1. Both sides of the coated optical fibers 7 are provided with a pair of the tension members 9. The peripheral parts of the tension members 9 are provided with the film-like members 13. The film-like members are made of, for example, resin, and polyolefin resin or the like can be used. The film-like members 13 are provided so as to cover portions of the outer peripheral surfaces of the tension members 9. In other words, the portions of the tension members 9 are covered with the film-like members 13, and other portions thereof adhere to the outer housing 3.
    • 要解决的问题:提供一种抑制张力构件的突出并且具有优异的分支加工性的光纤缆线以及分支光纤电缆的方法。解决方案:涂覆光纤7,张力构件9,薄膜状构件13, 并且支撑线15由外壳体3一体化。多个被覆光纤7被布置成在光纤电缆1的截面的大致中心的大致中心彼此接触。两侧 被覆光纤7设置有一对张力构件9.张力构件9的周边部设置有膜状构件13.薄膜状构件例如由树脂制成,聚烯烃 树脂等。 膜状构件13被设置成覆盖张紧构件9的外周面的部分。换句话说,张力构件9的部分被薄膜状构件13覆盖,并且其它部分粘附 到外壳3。
    • 4. 发明专利
    • Method for switching and connecting optical fiber, conveying tool, and coating removing machine
    • 用于切换和连接光纤,输送工具和涂层去除机器的方法
    • JP2005215513A
    • 2005-08-11
    • JP2004024316
    • 2004-01-30
    • Furukawa Electric Co Ltd:TheNippon Telegr & Teleph Corp 古河電気工業株式会社日本電信電話株式会社
    • AKIYAMA TOMOHIROTAMAKI HIROYUKIAOYANAGI YUJIYAMAMOTO FUMIHIKO
    • G02B6/255G02B6/00
    • PROBLEM TO BE SOLVED: To make a switching and connection without exerting large influence on continuous communication, by making the communication stop time shorter. SOLUTION: A method for switching and connecting an optical fiber includes a preprocessing stage of arranging an end of a switching-destination optical fiber L2 to one connection-side end of a fusion splicing connecting machine 10; a coating removing stage of fixing and holding a switching and connection part of a switching-source optical fiber L1 by a conveying tool 30, removing the coating of the switching and connection part by using the coating removing machine 20, and cleaning the connection part; a cutting stage for holding a state, wherein the switching and connection part having at least the coating removed is fixed and held and cutting the switching and connection part, by using a cutting machine 40 at a specified position; and a connection stage of arranging one end, which is cut at the cutting stage and is connected to the switching destination optical fiber L1 at the other connection-side end of the fusion splicing connecting machine 10 and connecting the switching-destination optical fiber L2 and switching-source optical fiber L1 by the fusion splicing connecting machine 10. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过使通信停止时间更短,进行切换和连接,而不会对连续通信产生很大的影响。 解决方案:一种用于切换和连接光纤的方法包括将切换目的地光纤L2的端部布置到熔接连接机10的一个连接侧端的预处理阶段; 通过输送工具30固定和保持开关源光纤L1的开关部分的涂层去除阶段,通过使用涂层去除机20去除切换和连接部分的涂层,并清洁连接部分; 用于保持状态的切割阶段,其中至少具有去除的涂层的切换和连接部分被固定并保持并且通过在特定位置使用切割机40来切割切换和连接部分; 以及连接台,其在切割阶段切割并连接到熔接连接机10的另一个连接侧端的切换目的地光纤L1,并将切换目的地光纤L2和 通过熔接连接机10的开关光纤L1。版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Optical fiber splicing method and refractive index matching agent used for the same
    • 光纤分离方法和用于其的折射率指数匹配剂
    • JP2014048578A
    • 2014-03-17
    • JP2012193272
    • 2012-09-03
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU TOMOYATAKAMIZAWA KAZUTOSHIIDA MASAHIRODAIDO JUNJIAOYANAGI YUJI
    • G02B6/24G02B6/26
    • PROBLEM TO BE SOLVED: To provide an optical fiber splicing method that enables a refractive index matching agent to be restrained from penetrating into holes and an end face interval between optical fibers to be restrained from increasing, and to provide a refractive index matching agent used therefor.SOLUTION: Two hole structure optical fibers 9 and 10 are connected to each other through a refractive index matching agent 4 in a mechanical splice being an optical fiber connector. The respective hole structure optical fibers 9 and 10 have a core 1 and a cladding 2 surrounding the circumference of the core 1, and there are, in the cladding 2, periodically formed a plurality of holes 3 so as to surround the core 1. The refractive index matching agent 4 is made up of an oily refractive index matching agent 5 and a solid refractive index matching agent 6. The refractive index of the refractive index matching agent 5 is equal to or less than that of the cladding 2 in the hole structure optical fibers. The refractive index of the refractive index matching agent 6 is higher than that of the cladding 2 in the hole structure optical fibers.
    • 要解决的问题:提供能够抑制折射率匹配剂渗透到孔中的光纤接合方法和要抑制的光纤之间的端面间隔增加,并提供用于其的折射率匹配剂 解决方案:两个孔结构光纤9和10通过折射率匹配剂4在作为光纤连接器的机械接头中彼此连接。 相应的孔结构光纤9和10具有围绕芯1的圆周的芯1和包层2,并且在包层2中周围形成有围绕芯1的多个孔3。 折射率匹配剂4由油性折射率匹配剂5和固体折射率匹配剂6组成。折射率匹配剂5的折射率等于或小于孔结构中包层2的折射率 光纤。 折射率匹配剂6的折射率高于孔结构光纤中的包层2的折射率。
    • 10. 发明专利
    • Optical drop cable
    • 光电缆
    • JP2014164235A
    • 2014-09-08
    • JP2013037084
    • 2013-02-27
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社Swcc Showa Cable Systems Co Ltd昭和電線ケーブルシステム株式会社
    • SATO TETSURONAKATANI YOSHIHIROTAKAMIZAWA KAZUTOSHIAOYANAGI YUJIDAIDO JUNJIIIO HIRONARIMATSUO TAKASHIKURAMOTO KEITAKANEKO TAKAOTANABE KENGOSETO AKIHIRO
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical drop cable having a high wind-resistance characteristic of reducing galloping and dancing caused by wind pressure and being easily produced by equipment with manufacturing processes similar to conventional processes.SOLUTION: An optical drop cable 100 is integrally formed by a support wire part 10; an optical fiber cable part 20 twisted around the support wire part 10; and a connection part 30 for connecting the support wire part 10 and the optical fiber cable 20. In a cross section of the optical drop cable 100 at its arbitrary position, the optical fiber cable part 20 has a disk-shaped form 11 with a cross section similar to the support wire part 10 and is basically symmetrically disposed with respect to the support wire part 10 setting the center 31 of the connection part 30 as a symmetrical center of the support wire part 10 and the optical fiber cable part 20. A vertical height of the support wire part 10, a, and a vertical height of the optical fiber cable part 20, c, have a relation of a≥c. Vertical external diameters 21 and 23 form the disk-shaped form 11 with the cross section similar to the support wire part 10, and outside linear or curved lines 25 and 27 at a right end side and a left end side form the partially-missing parts of the disk-shaped form 11.
    • 要解决的问题:提供一种具有高风阻特性的光学滴落电缆,其特征在于减少由风压引起的跳动和跳舞,并且由与常规工艺类似的制造工艺的设备容易地制造。解决方案:光学分路电缆100一体化 由支撑线部分10形成; 围绕支撑线部分10扭绞的光纤线缆部分20; 以及用于连接支撑线部分10和光纤线缆20的连接部分30.在光导线缆100的任意位置的横截面中,光纤线缆部分20具有十字形的盘形形式11 并且基本上对称地设置成将支撑线部分10设置为连接部分30的中心31作为支撑线部分10和光纤电缆部分20的对称中心。垂直线 支撑线部分10的高度a和光纤电缆部分20的垂直高度c具有a≥c的关系。 垂直外径21和23形成圆盘形状11,其横截面类似于支撑线部分10,并且在右端侧和左端侧的外线性线或曲线25和27形成部分缺损部分 的盘状形式11。