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1. 发明授权

US06434306B1 Optical cable and manufacturing method thereof 有权
标题翻译：光缆及其制造方法
公开(公告)号：US06434306B1
公开(公告)日：2002-08-13
申请号：US09551620
申请日：2000-04-17
申请人： Hiroki Ishikawa , Yoshiyuki Suetsugu , Masakazu Watanabe , Seigo Ujiie , Yuji Sera , Kimio Ando
发明人： Hiroki Ishikawa , Yoshiyuki Suetsugu , Masakazu Watanabe , Seigo Ujiie , Yuji Sera , Kimio Ando
IPC分类号： H02B644
CPC分类号： G02B6/4429
摘要： In an optical cable made by forming a sheath on enclosing one or more optical fiber cores and a tension member, high reliability is obtained through the avoidance of adverse effects on the optical fiber core of a curving tendency of the tension member prevailing over the resistance of the sheath to curving (for example, due to the installed optical cable being heated by electrical equipment in proximity) and the optical cable consequently curving. Taking the plane containing the curve formed by the tension member due to its curving tendency as a base plane, the optical fiber core is disposed in the proximity of the position of the image formed when the tension member is projected in a direction perpendicular with respect to the base plane onto a flat plane separate from and parallel with the base plane. If the optical fiber core is an optical fiber ribbon comprising a plurality of optical fibers lined up in a flat plane and coated en bloc, then as an additional condition, an alignment line obtained by joining the centers of the optical fibers at both sides of the optical fiber ribbon is disposed perpendicular to the base plane.
摘要翻译：在通过在封闭一个或多个光纤芯和张力构件上形成护套而制成的光缆中，通过避免对光纤芯的不利影响，获得高可靠性，其中拉伸构件的弯曲倾向超过电阻护套弯曲（例如，由于安装的光缆由靠近的电气设备加热）并且光缆因此弯曲。将由于弯曲趋势所形成的曲线所包含的平面作为基底面，将光纤芯设置在当张力构件相对于垂直方向投影的方向上形成的图像位置附近时基板平面与平面平行，与平面平行。如果光纤芯是包括排列在平面上并整体涂覆的多根光纤的光纤带，则作为附加条件，通过将光纤的中心连接在两侧的光纤光纤带垂直于基面设置。

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