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    • 44. 发明授权
    • Beam Path Monitoring Device and Beam Path Monitoring System
    • 光束路径监测装置和光束路径监测系统
    • US08654320B2
    • 2014-02-18
    • US12995252
    • 2009-05-25
    • Takemi HasegawaTetsuya HayashiHaruo Nakaji
    • Takemi HasegawaTetsuya HayashiHaruo Nakaji
    • G01N21/00
    • G01M11/3136G01M11/3145
    • An optical line monitoring apparatus and optical line monitoring system which can measure a reflectance distribution in an optical line with a high spatial resolution in a short time are provided. An optical line monitoring apparatus 14A provided in a station 10A comprises an OCDR measurement section 15 for carrying out OCDR measurement, an OTDR measurement section 16 for carrying out OTDR measurement, an optical switch 13 for selectively connecting one of the OCDR measurement section 15 and OTDR measurement section 16 to the optical coupler 12, a control section 17, and a storage device 18. The control section 17 performs a predetermined arithmetic operation according to an OCDR measurement result acquired by causing the OCDR measurement section 15 to carry out the OCDR measurement and an OTDR measurement result acquired by causing the OTDR measurement section 16 to carry out the OTDR measurement.
    • 提供了一种能够在短时间内以高空间分辨率测量光线路中的反射率分布的光线路监视装置和光线路监视系统。 设置在站10A中的光线路监视装置14A包括用于执行OCDR测量的OCDR测量部分15,用于执行OTDR测量的OTDR测量部分16,用于选择性地连接OCDR测量部分15和OTDR之一的光开关13 测量部分16到光耦合器12,控制部分17和存储装置18.控制部分17根据通过使OCDR测量部分15执行OCDR测量而获得的OCDR测量结果执行预定的算术运算,并且 通过使OTDR测量部16执行OTDR测量而获得的OTDR测量结果。
    • 45. 发明授权
    • Method and apparatus for producing optical fiber
    • 光纤制造方法及装置
    • US08443581B2
    • 2013-05-21
    • US13125014
    • 2009-10-19
    • Naruki KoshimizuYuji AbeToshimi HabasakiTetsuya Hayashi
    • Naruki KoshimizuYuji AbeToshimi HabasakiTetsuya Hayashi
    • D02G3/22
    • G02B6/02285B65H51/10B65H59/385B65H59/40B65H2701/32
    • An optical fiber producing method and apparatus for producing an optical fiber in which, in a path where an optical fiber is reeled out from a supply bobbin, taken up by take-up means, and wound by a winding bobbin, twists are alternately imparted to the optical fiber by a twist imparting portion. A zone where a high tension load is allowed to be applied to the optical fiber without affecting winding tension of the winding bobbin is disposed, a twist is imparted in the zone, and, when tension immediately before the twist imparting portion is indicated by T (g), a free path length is indicated by L, a twisting amount is indicated by R (turns/m), and a and b are constants, the tension and free path length by which the twisting amount R approximated by “R=a×T×Lb” is made “2” or more are set.
    • 一种光纤的制造方法及其制造方法,其特征在于,在将光纤从供给线轴卷出的路径中,由卷取机构卷绕并卷绕在卷取筒管上, 光纤通过扭曲赋予部分。 在不影响卷绕筒管的卷绕张力的情况下,设置能够对光纤施加高张力负荷的区域,在该区域内施加扭曲,并且在扭曲赋予部分之前的张力被T( g),自由路径长度用L表示,扭转量由R(匝数/ m)表示,a和b是常数,由R = a近似的扭转量R的张力和自由路径长度 ×T×Lb“为”2“以上。
    • 49. 发明授权
    • Lithium ion secondary battery and production method thereof
    • 锂离子二次电池及其制造方法
    • US08088517B2
    • 2012-01-03
    • US10576421
    • 2004-12-08
    • Tetsuya HayashiTsumoru Ohata
    • Tetsuya HayashiTsumoru Ohata
    • H01M2/14H01M2/16H01M10/16H01M6/10H01M4/13H01M4/82
    • H01M10/0587H01M2/16H01M4/13H01M10/0431H01M10/0525Y10T29/49115
    • A lithium ion secondary battery having an electrode group that includes: a winding core, a positive electrode containing a positive electrode core member and a positive electrode active material layer, a negative electrode comprising a negative electrode core member and a negative electrode active material layer, and a porous film including a filler and a binder formed on at least one of the positive and negative electrodes which are wound around the winding core. The positive electrode and/or the negative electrode have/has, on the initial winding side, a region where the active material layer is carried on only one side of the core member and a region where the active material layer is carried on neither side of the core member, at a position closer to the initial winding position than the region where the active material layer is carried on only one side of the core member.
    • 一种具有电极组的锂离子二次电池,其包括:卷芯,包含正极芯构件的正极和正极活性物质层,负极包括负极芯构件和负极活性物质层, 以及包括填充物和粘合剂的多孔膜,其形成在缠绕在卷绕芯上的正极和负极中的至少一个上。 正极和/或负极在初始绕组侧具有仅活性物质层仅承载在芯构件的一侧的区域和活性物质层的两侧不承载的区域 所述芯部件位于比仅在所述芯部件的一侧承载所述活性物质层的区域更靠近所述初始卷绕位置的位置。