公开(公告)号：US5202746A

公开(公告)日：1993-04-13

申请号：US487045

申请日：1990-03-02

申请人： Shintaro Sentsui ,  Akira Fujisaki ,  Haruki Ogoshi ,  Morinobu Mizutani ,  Mitsuo Miyazaki

发明人： Shintaro Sentsui ,  Akira Fujisaki ,  Haruki Ogoshi ,  Morinobu Mizutani ,  Mitsuo Miyazaki

IPC分类号： H04B10/25

CPC分类号： H04B10/25

摘要： A technique for identifying an optical transmission medium from a plurality of single-mode-type optical transmission media by using longitudinal middle portions of the media as an identification section by first exciting a particular optical transmission media by means of a polarized light, next applying either an electromagnetic action or a mechanical action to the particular optical transmission medium to modulate the polarized light and then identifying the particular optical transmission medium based on the deviation of the polarized plane of the polarized light.

公开(公告)号：US5379357A

公开(公告)日：1995-01-03

申请号：US41720

申请日：1993-04-01

申请人： Shintaro Sentsui ,  Akira Fujisaki ,  Haruki Ogoshi ,  Morinobu Mizutani ,  Mitsuo Miyazaki

发明人： Shintaro Sentsui ,  Akira Fujisaki ,  Haruki Ogoshi ,  Morinobu Mizutani ,  Mitsuo Miyazaki

IPC分类号： H04B10/25 ,  G02B6/10

CPC分类号： H04B10/25

摘要： An apparatus and method for optical telecommunication includes introducing a laser beam emitted from a light source at a first station into an optical fiber, providing an ultrasonic wave obtained by modulating a voice signal by a signal-applying-device at a work section to the optical fiber, modulating a polarized light passing through the optical fiber in amplitude and frequency, receiving the polarized light with the shifted wave plane at a light-receiving section in a second station, detecting at the light-receiving section in the second station the polarized light which has been modulated by the signal-applying device in the work section, and demodulating the polarized light to obtain a voice signal.

摘要翻译： 一种用于光通信的装置和方法包括将从第一站处的光源发射的激光束引入到光纤中，提供通过在工作部分处的信号施加装置将声音信号调制到光学器件而获得的超声波 光纤，以振幅和频率调制通过光纤的偏振光，在第二站的光接收部分接收偏移波平面的偏振光，在第二台的光接收部分检测偏振光 其被工作部分中的信号施加装置调制，并且解调偏振光以获得语音信号。

公开(公告)号：US5170449A

公开(公告)日：1992-12-08

申请号：US874529

申请日：1992-04-27

申请人： Akira Fujisaki ,  Shintaro Sentsui

发明人： Akira Fujisaki ,  Shintaro Sentsui

IPC分类号： G02B6/42 ,  G02B6/44 ,  G02F1/01

CPC分类号： G02B6/447 ,  G02B6/4274 ,  G02B6/4287 ,  G02F1/0134

摘要： 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.

摘要翻译： 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 。

公开(公告)号：US5331392A

公开(公告)日：1994-07-19

申请号：US915813

申请日：1992-07-24

申请人： Akira Fujisaki ,  Shintaro Sentsui

发明人： Akira Fujisaki ,  Shintaro Sentsui

IPC分类号： G01M11/00 ,  G02B6/00 ,  G02B6/44 ,  G01N21/00

CPC分类号： G01M11/31 ,  G02B6/447

摘要： 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.

摘要翻译： 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。

公开(公告)号：US4306767A

公开(公告)日：1981-12-22

申请号：US91948

申请日：1979-11-07

申请人： Masao Kawachi ,  Tadashi Miyashita ,  Shintaro Sentsui ,  Yasuro Furui ,  Toshiaki Kuroha

发明人： Masao Kawachi ,  Tadashi Miyashita ,  Shintaro Sentsui ,  Yasuro Furui ,  Toshiaki Kuroha

IPC分类号： C03C13/04 ,  G02B6/036 ,  G02B6/44 ,  G02B5/172

CPC分类号： G02B6/03633

摘要： The invention relates to a single-mode optical fiber used in a long wavelength band range for optical telecommunication. The core and the cladding of this optical fiber contain P.sub.2 O.sub.5 as a dopant selected to lower the deposition temperature and to hasten the deposition speed so as to result in low absorption loss.

摘要翻译： 本发明涉及用于光通信的长波段范围内使用的单模光纤。 该光纤的芯和包层含有作为掺杂剂的P 2 O 5，以降低沉积温度并加速沉积速度，从而导致低吸收损失。