JP2008527549A5 - - Google Patents

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JP2008527549A5
JP2008527549A5 JP2007550633A JP2007550633A JP2008527549A5 JP 2008527549 A5 JP2008527549 A5 JP 2008527549A5 JP 2007550633 A JP2007550633 A JP 2007550633A JP 2007550633 A JP2007550633 A JP 2007550633A JP 2008527549 A5 JP2008527549 A5 JP 2008527549A5
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JP
Japan
Prior art keywords
counter
propagating optical
optical signal
arm
propagating
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JP2007550633A
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English (en)
Japanese (ja)
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JP5060310B2 (ja
JP2008527549A (ja
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Priority claimed from PCT/AU2005/001899 external-priority patent/WO2006074502A1/en
Publication of JP2008527549A publication Critical patent/JP2008527549A/ja
Publication of JP2008527549A5 publication Critical patent/JP2008527549A5/ja
Application granted granted Critical
Publication of JP5060310B2 publication Critical patent/JP5060310B2/ja
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JP2007550633A 2005-01-11 2005-12-15 事象の位置を決定するための、対向伝搬信号を使用した装置および方法 Expired - Lifetime JP5060310B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2005900109A AU2005900109A0 (en) 2005-01-11 Apparatus and method for using a counter-propagating signal method for locating events
AU2005900109 2005-01-11
PCT/AU2005/001899 WO2006074502A1 (en) 2005-01-11 2005-12-15 Apparatus and method for using a counter-propagating signal method for locating events

Publications (3)

Publication Number Publication Date
JP2008527549A JP2008527549A (ja) 2008-07-24
JP2008527549A5 true JP2008527549A5 (enExample) 2012-02-23
JP5060310B2 JP5060310B2 (ja) 2012-10-31

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JP2007550633A Expired - Lifetime JP5060310B2 (ja) 2005-01-11 2005-12-15 事象の位置を決定するための、対向伝搬信号を使用した装置および方法

Country Status (11)

Country Link
US (2) US20060163457A1 (enExample)
EP (2) EP1836515A4 (enExample)
JP (1) JP5060310B2 (enExample)
KR (1) KR101243049B1 (enExample)
CN (1) CN100526925C (enExample)
CA (1) CA2593628C (enExample)
IL (1) IL184304A (enExample)
MX (1) MXPA05014099A (enExample)
RU (1) RU2398185C2 (enExample)
WO (1) WO2006074502A1 (enExample)
ZA (1) ZA200705625B (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0407386D0 (en) * 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
US7323677B1 (en) * 2004-07-15 2008-01-29 Mississippi State University Fiber-bragg grating-loop ringdown method and apparatus
EP1794904A1 (en) * 2004-09-30 2007-06-13 British Telecommunications Public Limited Company Identifying or locating waveguides
GB0421747D0 (en) * 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
KR20070095909A (ko) * 2004-12-17 2007-10-01 브리티쉬 텔리커뮤니케이션즈 파블릭 리미티드 캄퍼니 네트워크 평가 방법
US7499176B2 (en) * 2007-02-13 2009-03-03 Future Fibre Technologies Pty Ltd Apparatus and method for using a counter-propagating signal method for locating events
ZA200705625B (en) * 2005-01-11 2008-09-25 Future Fibre Tech Pty Ltd Apparatus and method for using a counter-propagating signal method for locating events
EP1708388A1 (en) * 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Communicating information
EP1713301A1 (en) * 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for communicating sound over an optical link
US7961331B2 (en) * 2006-02-24 2011-06-14 British Telecommunications Public Limited Company Sensing a disturbance along an optical path
DE602007013874D1 (de) * 2006-02-24 2011-05-26 British Telecomm Erfassen einer störung
EP1826924A1 (en) * 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
CA2647173A1 (en) * 2006-04-03 2007-10-11 British Telecommunications Public Company Limited Evaluating the position of a disturbance
EP2132720B1 (en) * 2007-04-02 2014-03-12 Future Fibre Technologies Pty Ltd Method and apparatus for monitoring a structure
JP2010139253A (ja) * 2008-12-09 2010-06-24 Sumitomo Electric Ind Ltd 光線路監視システムおよびシステムに含まれる監視装置
WO2012018272A1 (pt) 2010-08-02 2012-02-09 Unitelco - Engenharia E Construção Em Telecomunicações, S.A. Sistema de monitorização remota de integridade de redes, e respectivo método de operação
US8873064B2 (en) 2010-10-14 2014-10-28 Fibersonics Inc. Fiber-optic disturbance detection using combined Michelson and Mach-Zehnder interferometers
FR2966926B1 (fr) * 2010-11-03 2012-12-21 Ixsea Systeme interferometrique apolarise et procede de mesure interferometrique apolarise
EP2690420B1 (en) * 2012-06-14 2014-08-13 Alcatel Lucent Method of estimating a reflection profile of an optical channel
CN103344314B (zh) * 2013-06-15 2018-10-26 威海北洋光电信息技术股份公司 M-z光纤振动传感系统及其断纤检测方法
CN103398731B (zh) * 2013-08-08 2015-09-23 南昌航空大学 基于dsp时间差测量的马赫-泽德光纤传感定位方法
EP3469669A4 (en) * 2016-06-03 2020-02-19 Km Labs Inc. USE OF ELECTRONICALLY CONTROLLED POLARIZATION ELEMENTS FOR LAUNCHING AND OPTIMIZING SYNCHRONIZATION OF LASER MODES
CN109342830B (zh) * 2018-10-23 2021-07-02 山西大学 全光纤马赫曾德尔干涉仪的微波场强原子测量装置
CN110926511B (zh) * 2019-12-06 2021-11-26 北京工业大学 一种宽带高分辨率光谱响应测量方法
JP7419949B2 (ja) * 2020-04-16 2024-01-23 富士通オプティカルコンポーネンツ株式会社 光伝送装置、光合波器及び光伝送方法
US12119880B2 (en) 2020-08-10 2024-10-15 Nokia Solutions And Networks Oy Rapid polarization tracking in an optical channel
RU2769886C2 (ru) * 2020-09-28 2022-04-07 Акционерное Общество "Институт "Оргэнергострой" Извещатель охранный волоконно-оптический с линейной частью с совмещенными интерферометрами
RU2761370C1 (ru) * 2020-09-28 2021-12-07 Акционерное Общество "Институт "Оргэнергострой" Извещатель охранный волоконно-оптический с линейной частью с интерферометром с двумя плечами
US11650340B2 (en) 2020-12-01 2023-05-16 Nokia Solutions And Networks Oy Detection of seismic disturbances using optical fibers
US12189261B2 (en) * 2021-07-06 2025-01-07 Psiquantum, Corp. Counterpropagating generalized Mach Zehnder interferometer
WO2023119673A1 (ja) 2021-12-24 2023-06-29 学校法人明治大学 評価装置、光受信器、光通信システム、プログラム及び評価方法
CN115164955B (zh) * 2022-07-26 2025-04-22 国网智能电网研究院有限公司 一种双马赫-曾德尔干涉仪的反馈环路控制方法及装置
JP7603951B1 (ja) 2023-06-22 2024-12-23 学校法人明治大学 制御装置、補償装置、光受信装置、光通信システム、プログラム及び制御方法
CN119642957B (zh) * 2025-02-20 2025-08-29 杭州声飞光电技术有限公司 分布式光纤声音传感系统、装置及声音探测方法

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1497995A (en) * 1976-04-13 1978-01-12 Standard Telephones Cables Ltd Fibre optic acoustic monitoring arrangement
US4635637A (en) * 1984-03-29 1987-01-13 Schreiber Saul N Surgical suture
GB8609732D0 (en) * 1986-04-22 1986-05-29 Plessey Co Plc Optical fibre sensing systems
US5311592A (en) 1986-06-11 1994-05-10 Mcdonnell Douglas Corporation Sagnac interferometer based secure communication system
US4787741A (en) 1986-10-09 1988-11-29 Mcdonnell Douglas Corporation Fiber optic sensor
GB2204204B (en) 1987-01-03 1990-10-31 Plessey Co Plc Improvements relating to optical detection systems
US4848906A (en) * 1987-02-02 1989-07-18 Litton Systems, Inc. Multiplexed fiber optic sensor
JPS63319253A (ja) 1987-06-19 1988-12-27 Mitsubishi Electric Corp 低損失酸化物磁性材料
US4915503A (en) * 1987-09-01 1990-04-10 Litton Systems, Inc. Fiber optic gyroscope with improved bias stability and repeatability and method
US4976507A (en) 1988-06-20 1990-12-11 Mcdonnell Douglas Corporation Sagnac distributed sensor
US4898468A (en) 1988-06-20 1990-02-06 Mcdonnell Douglas Corporation Sagnac distributed sensor
US4897543A (en) 1989-01-25 1990-01-30 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for minimizing polarization-induced signal fading in an interferometric fiber-optic sensor using input-polarization control
SE463385B (sv) * 1989-03-08 1990-11-12 Stefan Karlsson Saett att utnyttja en optisk fiber som sensor
US4940302A (en) 1989-03-13 1990-07-10 The Boeing Company Integrated optics waveguides with large phase shifts
US5046848A (en) 1989-09-08 1991-09-10 Mcdonnell Douglas Corporation Fiber optic detection system using a Sagnac interferometer
US5455698A (en) * 1989-12-27 1995-10-03 Mcdonnell Douglas Corporation Secure communication alarm system
US5102421A (en) * 1990-06-14 1992-04-07 Wm. E. Anpach, III Suture anchor and method of forming
US5402231A (en) 1992-08-24 1995-03-28 Mcdonnell Douglas Corporation Distributed sagnac sensor systems
CA2437777C (en) * 1992-09-21 2006-11-28 United States Surgical Corporation Device for applying a meniscal staple
US5473459A (en) * 1993-12-03 1995-12-05 Optimux Systems Corporation Optical telecommunications system using phase compensation interferometry
US5466243A (en) * 1994-02-17 1995-11-14 Arthrex, Inc. Method and apparatus for installing a suture anchor through a hollow cannulated grasper
IL111985A (en) * 1994-12-14 1999-04-11 Medical Influence Technologies Staple and thread assembly particularly for use in power-driven staplers for medical suturing
US5796473A (en) * 1995-03-20 1998-08-18 Honda Giken Kogyo Kabushiki Kaisha Method of adjusting optical axis of headlight of vehicle
US5636021A (en) * 1995-06-02 1997-06-03 Udd; Eric Sagnac/Michelson distributed sensing systems
FR2753530B1 (fr) * 1996-09-18 1998-11-13 Alcatel Contracting Sa Dispositif de mesure interferometrique en lumiere polarisee
JP3759798B2 (ja) * 1996-11-15 2006-03-29 財団法人電力中央研究所 落雷点標定方法
JPH10160635A (ja) 1996-12-03 1998-06-19 Nippon Telegr & Teleph Corp <Ntt> 多心光ファイバのスキュー検査方法およびスキュー検査装置
US6149658A (en) * 1997-01-09 2000-11-21 Coalescent Surgical, Inc. Sutured staple surgical fasteners, instruments and methods for minimally invasive vascular and endoscopic surgery
US6027523A (en) * 1997-10-06 2000-02-22 Arthrex, Inc. Suture anchor with attached disk
JP2000048269A (ja) * 1998-07-28 2000-02-18 Furukawa Electric Co Ltd:The 侵入位置検出装置
GB9821956D0 (en) 1998-10-09 1998-12-02 Univ Southampton Novel system to detect disturbance in optical fibres & cables
RU2147728C1 (ru) * 1998-11-10 2000-04-20 Иванов Вадим Валерьевич Интерферометрическое устройство для бесконтактного измерения толщины
US6200330B1 (en) * 1998-11-23 2001-03-13 Theodore V. Benderev Systems for securing sutures, grafts and soft tissue to bone and periosteum
JP4869480B2 (ja) * 1998-12-18 2012-02-08 フューチャー ファイバー テクノロジーズ ピーティーワイ リミテッド 対向伝播信号法を用いて構造を監視しイベントの位置を見つけるための装置及び方法
US6600586B1 (en) * 1999-05-10 2003-07-29 Northrop Grumman Corporation Normalization method for acquiring interferometer phase shift from frequency division multiplexed fiber optic sensor arrays
US6575976B2 (en) * 2000-06-12 2003-06-10 Arthrex, Inc. Expandable tissue anchor
US6485504B1 (en) * 2000-06-22 2002-11-26 James A. Magovern Hard or soft tissue closure
US6652563B2 (en) * 2001-10-02 2003-11-25 Arthrex, Inc. Suture anchor with internal suture loop
KR100407824B1 (ko) * 2002-02-21 2003-12-01 한국전자통신연구원 전송광섬유에서 발생하는 편광모드분산을 보상하는 방법및 장치
US7142736B2 (en) * 2004-01-05 2006-11-28 Optellios, Inc. Distributed fiber sensor with interference detection and polarization state management
AU2005257770B2 (en) * 2004-06-15 2010-03-04 Optellios, Inc. Phase responsive optical fiber sensor
US7139476B2 (en) * 2004-06-15 2006-11-21 Optellios, Inc. Distributed fiber sensor with detection and signal processing using polarization state management
ZA200705625B (en) * 2005-01-11 2008-09-25 Future Fibre Tech Pty Ltd Apparatus and method for using a counter-propagating signal method for locating events
US7499176B2 (en) * 2007-02-13 2009-03-03 Future Fibre Technologies Pty Ltd Apparatus and method for using a counter-propagating signal method for locating events

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