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21. 发明专利

JP2010091842A Optical cable 审中-公开
标题翻译：光电缆
公开(公告)号：JP2010091842A
公开(公告)日：2010-04-22
申请号：JP2008262642
申请日：2008-10-09
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： FUJIMOTO KAZUNARI , ISHIKAWA HIROKI
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical cable which permits finer diameter and lighter weight thereof without impairing a depth of groove of a slot, a mechanical characteristic and a light transmission characteristic.
SOLUTION: The optical cable includes a slot 12a provided with a plurality of grooves 14 on the circumferential surface of the slot, stores optical fibers in the grooves, covers with a jacket 17 by winding an upper winding tape 16 wound on the outside of the slot. A transverse section shape of the slot 12a is formed with a rib outer surface 18a connecting both sides of edges of a rib with smooth lines without ruggedness, in an area 19 surrounded by a circumscribed circle 19a passing through both sides of the edges of the rib 18 parting the grooves 14 and straight lines 19 connecting both sides 18b, 18c of the edges of the rib. Further, the rib outer surface 18a can be made to be a straight line connecting both sides of the edges 18b, 18c. The number of the grooves 14 in which the optical fibers are stored is preferably three or four.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种光缆，其允许更细的直径和更轻的重量，而不损害槽的槽的深度，机械特性和光透射特性。解决方案：光缆包括在槽的圆周表面上设置有多个槽14的槽12a，将光纤存储在槽中，通过缠绕卷绕在外部的上缠绕带16将护套17覆盖在外壳17上。的插槽。狭槽12a的横截面形状形成有肋外表面18a，其连接肋的边缘的两侧，光滑的线条而不具有凹凸，在由通过肋的边缘的两侧的外接圆19a围绕的区域19中 18分离连接肋的边缘的两侧18b，18c的槽14和直线19。此外，肋外表面18a可以被制成连接边缘18b，18c的两侧的直线。存储光纤的槽14的数量优选为3或4。版权所有（C）2010，JPO＆INPIT

22. 发明专利

JP2009265394A Optical fiber cable 审中-公开
标题翻译：光纤电缆
公开(公告)号：JP2009265394A
公开(公告)日：2009-11-12
申请号：JP2008115536
申请日：2008-04-25
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： FUJIMOTO KAZUNARI
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable which is prevented from being damaged when sticking a cicada's ovipositor, has no curl, and has flame resistance.
SOLUTION: The optical cable fiber has a coated optical fiber 13 and a tension member 14 disposed in parallel and coated integrally with a casing 15. The casing 15 has an inner first coating layer 15a covering an outer circumference of the coated optical fiber 13, and an outer second coating layer 15b covering an outer circumference of the first coating layer. The first coating layer 15a is formed of a resin material having a hardness of not less than 52 measured by a durometer (type D) and the second coating layer 15b is formed of a resin material having a smaller hardness than the first coating layer. The hardness of the first coating layer 15a may be 56 to 64 and the hardness of the second coating layer 15b may be not larger than 52. Further, the cross section ratio of the first coating layer 15a to the casing 15 is preferably 1/4 to 2/3.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止在蝉生殖器上粘附时被损坏的光缆，没有卷曲，并且具有阻燃性。解决方案：光缆光纤具有平行设置并与壳体15整体涂覆的涂覆光纤13和张力构件14.壳体15具有覆盖涂覆光纤的外周的内部第一涂覆层15a 13和覆盖第一涂层的外周的外部第二涂层15b。第一涂层15a由硬度（D型）测得的硬度不小于52的树脂材料形成，第二涂层15b由具有比第一涂层硬度小的树脂材料形成。第一涂层15a的硬度可以是56〜64，第二涂层15b的硬度也可以不大于52.另外，第一涂层15a与壳体15的截面比优选为1/4 至2/3。版权所有（C）2010，JPO＆INPIT

23. 发明专利

JP2009198701A Optical fiber cable 审中-公开
标题翻译：光纤电缆
公开(公告)号：JP2009198701A
公开(公告)日：2009-09-03
申请号：JP2008038996
申请日：2008-02-20
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： FUJIMOTO KAZUNARI
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable having excellent workability in disassembling.
SOLUTION: The optical fiber 10 includes: a cable core 11 for housing an optical fiber 2; a sheath section 13 for covering the cable core 11; an outer tearing string 15 provided outside the sheath section 13; an inner tearing string 16 provided inside the sheath section 13; and a connecting member 17 for connecting the outer and inner tearing strings 15 and 16.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种在拆卸时具有优异的可加工性的光纤电缆。解决方案：光纤10包括：用于容纳光纤2的电缆芯11; 用于覆盖电缆芯11的护套部分13; 设置在鞘部13的外侧的外侧撕裂绳15; 设置在护套部13内的内侧撕裂绳16; 以及用于连接外撕裂丝束15和内撕裂线16的连接部件17.版权所有（C）2009，JPO＆INPIT

24. 发明专利

JP2008107519A Optical fiber cable 有权
标题翻译：光纤电缆
公开(公告)号：JP2008107519A
公开(公告)日：2008-05-08
申请号：JP2006289579
申请日：2006-10-25
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： TAKAHASHI TAKESHI , TAKAHASHI YOSHITOMO , SAOTOME HIROYUKI , FUJIMOTO KAZUNARI , TAKAMI MASAKAZU , FUJII TAKASHI , SATO HEIJI
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable which does not deteriorate transmission characteristics of a coated optical fiber, and can moreover prevent the coated optical fiber from being damaged by a cicada or the like.
SOLUTION: The optical fiber cable 10 is formed by arranging tension members 12 in parallel on both sides of the coated optical fiber 11 or a coated optical fiber ribbon, adding protective barriers longitudinally on both sides of the coated optical fiber 11 where the tension members 12 are not arranged, and covering all of them totally with a cable jacket 13. The protective barriers 14 are provided with 0 to 0.4% surplus length with respect to a cable length.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种不会降低涂覆光纤的传输特性的光缆，并且还可以防止涂覆的光纤被蝉等损坏。解决方案：光纤电缆10通过在涂覆光纤11的两侧平行布置张力构件12或涂覆的光纤带形成，在涂覆的光纤11的两侧纵向添加防护屏障，其中张力构件12不布置，并且全部用电缆护套13覆盖。保护屏障14相对于电缆长度设置有0至0.4％的剩余长度。版权所有（C）2008，JPO＆INPIT

25. 发明专利

JP2007041397A Optical fiber cable and its intermediate branching method 审中-公开
标题翻译：光纤电缆及其中间分支方法
公开(公告)号：JP2007041397A
公开(公告)日：2007-02-15
申请号：JP2005226868
申请日：2005-08-04
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： FUJIMOTO KAZUNARI
IPC分类号： G02B6/44 , G02B6/46
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable and the intermediate branching method of optical fibers, by which the fluctuations in the instantaneous transmission loss can be suppressed to ≤1 dB, when the optical fibers are branched in the middle of the cable in a state of hot-line. SOLUTION: In the optical fiber cable, tension members 12a, 12b are arranged on both sides of a plurality of coated optical fibers 11, with a notch 15 for taking out the optical fibers provided to the side of the cable jacket 13, where the coating thickness D between the coated optical fibers 11 and the bottom of the notch 15 is set to 0.05-0.3 mm. In addition, for the purpose of reducing the loss fluctuation to ≤0.1 dB, the coating thickness D is desirably set to ≤0.2 mm, while from the viewpoint of improvement in workability, the coating thickness D is desirably set to ≥0.1 mm. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了提供一种光纤电缆和光纤的中间分支方法，通过该光纤将瞬时传输损耗的波动抑制到≤1dB，当光纤在电缆处于热线状态。解决方案：在光纤电缆中，张力构件12a，12b布置在多个涂覆光纤11的两侧，具有用于取出设置在电缆护套13一侧的光纤的凹口15，其中涂覆光纤11和凹口15的底部之间的涂层厚度D设定为0.05-0.3mm。此外，为了将损耗波动减小到≤0.1dB，涂层厚度D优选设定为≤0.2mm，从提高加工性的观点出发，涂层厚度D优选设定为≥0.1mm。版权所有（C）2007，JPO＆INPIT

26. 发明专利

JP2004086061A Dispersion compensator and optical communication system 审中-公开
标题翻译：分散补偿器和光通信系统
公开(公告)号：JP2004086061A
公开(公告)日：2004-03-18
申请号：JP2002249534
申请日：2002-08-28
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： FUJIMOTO KAZUNARI , SASAOKA HIDEYORI , NISHIMURA MASAYUKI
IPC分类号： G02B6/02 , G02B6/10
摘要： PROBLEM TO BE SOLVED: To provide a dispersion compensator which can sufficiently restrain the deterioration of the waveform of signal light caused by polarization mode dispersion and which is easily manufactured. SOLUTION: The dispersion compensator 30 is constituted by fusing and splicing the respective end faces of a dispersion compensating optical fiber 31 wound round the trunk part of a bobbin 33 and a double refraction optical fiber 32 as a double refraction medium. The optical fiber 31 guides light while keeping the respective polarization bearings of a fast axis and a slow axis orthogonal to each other, and wavelength dispersion is negative in the wavelength of the signal light. The amount of the polarization mode dispersion of the optical fiber 31 is the same as that of the optical fiber 32. The fast axis of the optical fiber 31 and the slow axis of the optical fiber 32 are parallel with each other and the slow axis of the optical fiber 31 and the fast axis of the optical fiber 32 are parallel with each other at a splicing point between the optical fibers 31 and 32. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种可以充分抑制由偏振模色散导致的信号光波形恶化并易于制造的色散补偿器。解决方案：色散补偿器30通过将卷绕在绕线管33的主体部分上的色散补偿光纤31和作为双折射介质的双折射光纤32的各个端面进行熔接和拼接而构成。光纤31引导光，同时保持彼此相互正交的快轴和慢轴的偏振轴承，并且波长色散在信号光的波长中是负的。光纤31的偏振模色散的量与光纤32相同。光纤31的快轴和光纤32的慢轴相互平行，慢轴光纤31和光纤32的快轴在光纤31,32之间的接合点处彼此平行。（C）2004，JPO

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