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    • 3. 发明授权
    • Method of identifying an optical cable
    • 识别光缆的方法
    • US5331392A
    • 1994-07-19
    • US915813
    • 1992-07-24
    • Akira FujisakiShintaro Sentsui
    • Akira FujisakiShintaro Sentsui
    • G01M11/00G02B6/00G02B6/44G01N21/00
    • G01M11/31G02B6/447
    • A method of identifying a particular optical cable C1 out of a set of optical cables C1, C2 by applying an external signal by means of a signal applying apparatus 16 while an optical signal is transmitted from means for transmitting optical signals and monitoring changes in the signals received by means for receiving optical signals. Since the difference in the frequencies and the levels of the higher harmonics generated by the external signal in the particular cable and the other cable(s) that are laid so close to one another that the phenomenon of cross talk remarkably appears, the optical cable in question can be identified almost without fail.
    • PCT No.PCT / JP91 / 01656 Sec。 371日期:1992年7月24日 102(e)日期1992年7月24日PCT 1991年11月29日PCT PCT。 公开号WO92 / 09873 日期:1992年6月11日。一种通过借助于信号施加装置16施加外部信号来识别一组光缆C1,C2中的特定光缆C1的方法,同时从发射光学装置 信号和监视通过接收光信号的装置接收的信号的变化。 由于由特定电缆中的外部信号产生的高次谐波的频率和电平之间的差异以及彼此靠近的另一个电缆,使得串扰现象显着出现,所以光缆 问题几乎可以被确定。
    • 4. 发明授权
    • Converting device using an optical fiber
    • 使用光纤的转换设备
    • US5170449A
    • 1992-12-08
    • US874529
    • 1992-04-27
    • Akira FujisakiShintaro Sentsui
    • Akira FujisakiShintaro Sentsui
    • G02B6/42G02B6/44G02F1/01
    • G02B6/447G02B6/4274G02B6/4287G02F1/0134
    • A optical talk set has a talk set including bending means for bending an optical fiber of an optical cable, vibration applying means for applying vibration to the optical fiber, and a light-receiving element for receiving light leaking upon bending of the optical fiber and for converting the light into electricity, a signal transmitting/receiving line having an input/output terminal, for enabling transmission of signals to be input to the bending means and the vibration applying means and a signal output from the light-receiving element, and a housing enclosing the converter, the signal transmitting/receiving line, and the light-receiving element. The input/output terminal of the signal transmitting/receiving line is provided so as to be exposed to the outside of the housing, by virtue of which a call can be made without opening the housing, facilitating maintenance, etc. of an optical fiber path.
    • 光学对讲机具有包括用于弯曲光缆的光纤的弯曲装置,用于向光纤施加振动的振动施加装置和用于接收光纤弯曲时漏光的光接收元件的对讲机,并且用于 将光转换为电,具有输入/输出端的信号发送/接收线,用于使得能够传输要输入到弯曲装置的信号和振动施加装置以及从光接收元件输出的信号;以及壳体 封闭转换器,信号发送/接收线路和光接收元件。 信号发送/接收线路的输入/输出端子被设置为暴露于壳体的外部,由此可以在不打开壳体的情况下进行呼叫,便于光纤路径的维护等 。