JPWO2021070222A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2021070222A5
JPWO2021070222A5 JP2021550955A JP2021550955A JPWO2021070222A5 JP WO2021070222 A5 JPWO2021070222 A5 JP WO2021070222A5 JP 2021550955 A JP2021550955 A JP 2021550955A JP 2021550955 A JP2021550955 A JP 2021550955A JP WO2021070222 A5 JPWO2021070222 A5 JP WO2021070222A5
Authority
JP
Japan
Prior art keywords
optical fiber
sensing information
optical signal
receiving unit
sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2021550955A
Other languages
English (en)
Japanese (ja)
Other versions
JP7315014B2 (ja
JPWO2021070222A1 (https=
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2019/039486 external-priority patent/WO2021070222A1/ja
Publication of JPWO2021070222A1 publication Critical patent/JPWO2021070222A1/ja
Publication of JPWO2021070222A5 publication Critical patent/JPWO2021070222A5/ja
Application granted granted Critical
Publication of JP7315014B2 publication Critical patent/JP7315014B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

JP2021550955A 2019-10-07 2019-10-07 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置 Active JP7315014B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/039486 WO2021070222A1 (ja) 2019-10-07 2019-10-07 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置

Publications (3)

Publication Number Publication Date
JPWO2021070222A1 JPWO2021070222A1 (https=) 2021-04-15
JPWO2021070222A5 true JPWO2021070222A5 (https=) 2022-05-25
JP7315014B2 JP7315014B2 (ja) 2023-07-26

Family

ID=75437036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021550955A Active JP7315014B2 (ja) 2019-10-07 2019-10-07 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置

Country Status (3)

Country Link
US (1) US12117336B2 (https=)
JP (1) JP7315014B2 (https=)
WO (1) WO2021070222A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12467822B2 (en) * 2020-08-31 2025-11-11 Nec Corporation Utility pole deterioration discrimination device and method
US11733070B2 (en) * 2021-03-03 2023-08-22 Nec Corporation Street light operating status monitoring using distributed optical fiber sensing
US12078528B2 (en) * 2021-07-22 2024-09-03 Nec Corporation Fiber sensing using supervisory path of submarine cables
US11676465B1 (en) * 2021-08-04 2023-06-13 The United States Of America As Represented By The Secretary Of The Navy Fire detection and conflagration event monitoring and diagnosis system
WO2023021598A1 (ja) * 2021-08-18 2023-02-23 日本電気株式会社 情報処理装置、情報処理方法、コンピュータ可読媒体、及び点検システム
US20240427912A1 (en) * 2021-09-28 2024-12-26 Nec Corporation Data providing system, data providing apparatus, and data providing method
WO2023073914A1 (ja) * 2021-10-29 2023-05-04 日本電気株式会社 光ファイバセンシングシステム、光ファイバセンシング機器、及び光ファイバセンシング方法
US20240411911A1 (en) * 2021-11-08 2024-12-12 Nec Corporation Data providing system, data providing apparatus, and data providing method
WO2023209758A1 (ja) * 2022-04-25 2023-11-02 日本電気株式会社 センシングシステム、センシング機器、及びセンシング方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620177A (ja) * 1992-07-03 1994-01-28 Mitsubishi Electric Corp 繰り返し操作機構の異常検出装置
JP2002269656A (ja) 2001-03-12 2002-09-20 Foundation Of River & Basin Integrated Communications Japan 河川情報提供システム
JP4027107B2 (ja) * 2002-02-06 2007-12-26 沖電気工業株式会社 土砂異常検出装置、土砂異常検出システム、及び土砂異常検出方法
US20050082467A1 (en) * 2003-10-21 2005-04-21 Guy Mossman Optical fiber based sensor system suitable for monitoring remote aqueous infiltration

Similar Documents

Publication Publication Date Title
JPWO2021070222A5 (https=)
US10893062B2 (en) Cable assembly with jacket LEDs
US20180324194A1 (en) System and method for detecting a disturbance on a physical transmission line
WO2008155769A2 (en) System and method based on waveguides for the protection of sites
CN107204975B (zh) 一种基于场景指纹的工业控制系统网络攻击检测技术
SG10201900335PA (en) Server and method to determine malicious files in network traffic
US20180276598A1 (en) System for custom configuring personal protection equipement
WO2016067909A1 (ja) 目詰まり推測方法及びフィルタ監視システム
KR20160008267A (ko) 네트워크 기반 영상감시체계에서의 사용자 행위 분석 시스템
JPWO2021010251A5 (https=)
GB2588056A (en) Data privacy awareness in workload provisioning
RU2018138574A (ru) Способ для визуализации и валидации событий процесса и система для осуществления способа
JPWO2024004119A5 (https=)
JPWO2021024388A5 (https=)
JPWO2021176683A5 (https=)
RU2013156691A (ru) Система для рекомендации технического обслуживания вертолетного двигателя
US6674044B2 (en) System for the control of the quality of a laser cut or perforation, in particular for sheets of metal
KR101842925B1 (ko) 소프트웨어의 라이선스 사용량 분석 방법 및 이를 수행하는 라이선스 관리 서버
US20080126533A1 (en) Feedback based access and control of federated sensors
EP3638993B1 (en) Closure detection system
CN106817244A (zh) 用于生成网络依赖性的方法和装置
Hu et al. Bio-plausible visual neural network for spatio-temporally spiral motion perception
JPWO2021149192A5 (https=)
CN117336437A (zh) 基于光纤的防外破监控方法、装置、设备及存储介质
ATE509333T1 (de) Verfahren zum bestimmen der betriebsdauer eines gefahrenmelders und gefahrenmelder