JP7267918B2 - 分散音響センシングのための方法およびシステム - Google Patents
分散音響センシングのための方法およびシステム Download PDFInfo
- Publication number
- JP7267918B2 JP7267918B2 JP2019535420A JP2019535420A JP7267918B2 JP 7267918 B2 JP7267918 B2 JP 7267918B2 JP 2019535420 A JP2019535420 A JP 2019535420A JP 2019535420 A JP2019535420 A JP 2019535420A JP 7267918 B2 JP7267918 B2 JP 7267918B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- subset
- fiber optic
- fiber
- acoustic
- 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.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Optical Transform (AREA)
- Optical Communication System (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022177980A JP7750518B2 (ja) | 2016-09-08 | 2022-11-07 | 分散音響センシングのための方法およびシステム |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2016903617 | 2016-09-08 | ||
| AU2016903617A AU2016903617A0 (en) | 2016-09-08 | Method and system for distributed acoustic sensing | |
| PCT/AU2017/050985 WO2018045433A1 (en) | 2016-09-08 | 2017-09-08 | Method and system for distributed acoustic sensing |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022177980A Division JP7750518B2 (ja) | 2016-09-08 | 2022-11-07 | 分散音響センシングのための方法およびシステム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019529952A JP2019529952A (ja) | 2019-10-17 |
| JP2019529952A5 JP2019529952A5 (https=) | 2020-10-08 |
| JP7267918B2 true JP7267918B2 (ja) | 2023-05-02 |
Family
ID=61561341
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019535420A Active JP7267918B2 (ja) | 2016-09-08 | 2017-09-08 | 分散音響センシングのための方法およびシステム |
| JP2022177980A Active JP7750518B2 (ja) | 2016-09-08 | 2022-11-07 | 分散音響センシングのための方法およびシステム |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022177980A Active JP7750518B2 (ja) | 2016-09-08 | 2022-11-07 | 分散音響センシングのための方法およびシステム |
Country Status (8)
| Country | Link |
|---|---|
| US (4) | US10650648B2 (https=) |
| EP (1) | EP3510363B1 (https=) |
| JP (2) | JP7267918B2 (https=) |
| AU (4) | AU2017325116B2 (https=) |
| CA (2) | CA3036133C (https=) |
| ES (1) | ES2970377T3 (https=) |
| SG (2) | SG11201901980QA (https=) |
| WO (1) | WO2018045433A1 (https=) |
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| WO2018178279A1 (en) | 2017-03-31 | 2018-10-04 | Bp Exploration Operating Company Limited | Well and overburden monitoring using distributed acoustic sensors |
| AU2018303340B2 (en) * | 2017-07-18 | 2024-06-06 | Fiber Sense Limited | Method and system for distributed acoustic sensing in a marine environment |
| JP6989703B2 (ja) | 2017-07-26 | 2022-01-05 | テッラ15 プロプライエタリー リミテッド | 分布光学センシングシステム及び方法 |
| EP3673148B1 (en) | 2017-08-23 | 2021-10-06 | BP Exploration Operating Company Limited | Detecting downhole sand ingress locations |
| WO2019072899A2 (en) | 2017-10-11 | 2019-04-18 | Bp Exploration Operating Company Limited | EVENT DETECTION USING FREQUENCY DOMAIN ACOUSTIC CHARACTERISTICS |
| JP6774451B2 (ja) * | 2018-03-06 | 2020-10-21 | 日本電信電話株式会社 | 光ファイバケーブル監視方法および光ファイバケーブル監視システム |
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| US11131578B2 (en) * | 2018-06-28 | 2021-09-28 | Nec Corporation | Two stage detection method for distributed vibration detection |
| US11132542B2 (en) * | 2018-06-28 | 2021-09-28 | Nec Corporation | Time-space de-noising for distributed sensors |
| US10763964B2 (en) * | 2018-06-28 | 2020-09-01 | Nec Corporation | Bidirectional optical communication and sensing WDM architecture using same fiber transmission band |
| US11476930B2 (en) * | 2018-08-30 | 2022-10-18 | Nec Corporation | Optical time domain reflectometer, method of testing optical transmission line, and test system of optical transmission line |
| CN112601945B (zh) * | 2018-08-30 | 2022-10-28 | 日本电气株式会社 | 光学时域反射仪、光学传输线路的测试方法以及光学传输线路的测试系统 |
| WO2020051537A2 (en) * | 2018-09-06 | 2020-03-12 | Adelos, Inc. | Optical mandrel, optical-fiber assembly including an optical mandrel, and system for detecting an acoustic signal incident on an optical-fiber assembly |
| JP6974747B2 (ja) * | 2018-09-20 | 2021-12-01 | 日本電信電話株式会社 | マンホール位置特定方法及びマンホール位置特定システム |
| US11366231B2 (en) * | 2018-10-23 | 2022-06-21 | Nec Corporation | Smart optical cable positioning/location using optical fiber sensing |
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| EP4045766A1 (en) | 2019-10-17 | 2022-08-24 | Lytt Limited | Fluid inflow characterization using hybrid das/dts measurements |
| WO2021093974A1 (en) | 2019-11-15 | 2021-05-20 | Lytt Limited | Systems and methods for draw down improvements across wellbores |
| CN110940492B (zh) * | 2019-12-17 | 2025-05-13 | 国网新疆电力有限公司昌吉供电公司 | 一种基于das与otdr的光缆状态监测系统及方法 |
| US11276302B2 (en) * | 2020-01-30 | 2022-03-15 | Nec Corporation | Traffic monitoring apparatus and method of using the same |
| US11387898B2 (en) * | 2020-02-24 | 2022-07-12 | Nec Corporation | Distributed sensing over switched optical fiber networks |
| US12352619B2 (en) * | 2020-03-06 | 2025-07-08 | Nec Corporation | Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus |
| US11802810B2 (en) | 2020-03-09 | 2023-10-31 | Verizon Patent And Licensing Inc. | Systems and methods for determining fiber cable geographic locations |
| US11060950B1 (en) * | 2020-03-09 | 2021-07-13 | Verizon Patent And Licensing Inc. | Systems and methods for identifying locations of deployed fiber cables based on vibrations |
| US11284173B2 (en) * | 2020-04-07 | 2022-03-22 | Nec Corporation | Network sensing topologies for fiber optic sensing |
| WO2021207097A1 (en) * | 2020-04-07 | 2021-10-14 | Nec Laboratories America, Inc. | Network sensing topologies for fiber optic sensing |
| US11686909B2 (en) * | 2020-04-14 | 2023-06-27 | Nec Corporation | Utility pole localization using distributed acoustic sensing |
| WO2021249643A1 (en) | 2020-06-11 | 2021-12-16 | Lytt Limited | Systems and methods for subterranean fluid flow characterization |
| WO2021254633A1 (en) | 2020-06-18 | 2021-12-23 | Lytt Limited | Event model training using in situ data |
| CA3182376A1 (en) | 2020-06-18 | 2021-12-23 | Cagri CERRAHOGLU | Event model training using in situ data |
| CN112002092B (zh) * | 2020-08-07 | 2022-02-01 | 太原理工大学 | 一种高速铁路站台防越界分布式光纤预警系统 |
| JP7380891B2 (ja) * | 2020-08-13 | 2023-11-15 | 日本電気株式会社 | 未確認音抽出装置および未確認音抽出方法 |
| US20220065690A1 (en) * | 2020-08-25 | 2022-03-03 | Nec Laboratories America, Inc | Statistical image processing-based anomaly detection system for cable cut prevention |
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2017
- 2017-09-08 EP EP17847826.9A patent/EP3510363B1/en active Active
- 2017-09-08 JP JP2019535420A patent/JP7267918B2/ja active Active
- 2017-09-08 SG SG11201901980QA patent/SG11201901980QA/en unknown
- 2017-09-08 CA CA3036133A patent/CA3036133C/en active Active
- 2017-09-08 CA CA3116374A patent/CA3116374C/en active Active
- 2017-09-08 SG SG10202007724SA patent/SG10202007724SA/en unknown
- 2017-09-08 WO PCT/AU2017/050985 patent/WO2018045433A1/en not_active Ceased
- 2017-09-08 US US16/331,918 patent/US10650648B2/en active Active
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- 2017-09-08 AU AU2017325116A patent/AU2017325116B2/en active Active
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2020
- 2020-02-28 US US16/805,610 patent/US10950102B2/en active Active
- 2020-07-08 AU AU2020204562A patent/AU2020204562A1/en not_active Abandoned
- 2020-12-16 US US17/124,419 patent/US11308774B2/en active Active
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2022
- 2022-03-03 AU AU2022100039A patent/AU2022100039B4/en not_active Expired
- 2022-04-18 US US17/723,362 patent/US11721184B2/en active Active
- 2022-08-24 AU AU2022221467A patent/AU2022221467B2/en active Active
- 2022-11-07 JP JP2022177980A patent/JP7750518B2/ja active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004168654A (ja) | 2002-11-19 | 2004-06-17 | Fitel Usa Corp | スプールの回転および可変巻取りピッチを使用した、巻付けられた材料中の欠陥の正確なマッピングおよび除去のためのシステムおよび方法 |
| WO2010125713A1 (ja) | 2009-04-27 | 2010-11-04 | 富士通株式会社 | 線材の敷設状態解析方法及び敷設状態解析装置 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP7750518B2 (ja) | 2025-10-07 |
| SG10202007724SA (en) | 2020-09-29 |
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| AU2017325116B2 (en) | 2020-04-09 |
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