JPWO2021010251A1 - - Google Patents
Info
- Publication number
- JPWO2021010251A1 JPWO2021010251A1 JP2021533000A JP2021533000A JPWO2021010251A1 JP WO2021010251 A1 JPWO2021010251 A1 JP WO2021010251A1 JP 2021533000 A JP2021533000 A JP 2021533000A JP 2021533000 A JP2021533000 A JP 2021533000A JP WO2021010251 A1 JPWO2021010251 A1 JP WO2021010251A1
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019132271 | 2019-07-17 | ||
JP2019132271 | 2019-07-17 | ||
PCT/JP2020/026687 WO2021010251A1 (ja) | 2019-07-17 | 2020-07-08 | 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、及び異常判断方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JPWO2021010251A1 true JPWO2021010251A1 (ja) | 2021-01-21 |
JPWO2021010251A5 JPWO2021010251A5 (ja) | 2022-03-02 |
JP7235115B2 JP7235115B2 (ja) | 2023-03-08 |
Family
ID=74210729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021533000A Active JP7235115B2 (ja) | 2019-07-17 | 2020-07-08 | 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、及び異常判断方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220276089A1 (ja) |
EP (1) | EP4001862A4 (ja) |
JP (1) | JP7235115B2 (ja) |
CN (1) | CN114127518A (ja) |
WO (1) | WO2021010251A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114268365A (zh) * | 2021-12-02 | 2022-04-01 | 国网甘肃省电力公司酒泉供电公司 | 一种基于可视化技术的通信光缆智能预警方法及系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022185469A1 (ja) * | 2021-03-04 | 2022-09-09 | 日本電気株式会社 | 工事検出装置、工事検出システム及び工事検出方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011203116A (ja) * | 2010-03-25 | 2011-10-13 | Toyota Motor Corp | 車両用異常予測装置及び方法 |
JP2017142153A (ja) * | 2016-02-10 | 2017-08-17 | セイコーエプソン株式会社 | 寿命予測方法、寿命予測装置、および寿命予測システム |
WO2019022084A1 (ja) * | 2017-07-28 | 2019-01-31 | 長野計器株式会社 | 下水道モニタリングシステム及びその施工方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3127934B2 (ja) * | 1991-12-27 | 2001-01-29 | 住友電気工業株式会社 | 電力ケーブルの外傷予知方法 |
JP2001059719A (ja) | 1999-08-24 | 2001-03-06 | Tokyo Gas Co Ltd | 地中構造物損傷予防のための検知装置 |
JP2001311749A (ja) * | 2000-04-28 | 2001-11-09 | Toshiba Corp | 異常信号監視装置 |
CN100337094C (zh) * | 2004-07-20 | 2007-09-12 | 重庆大学 | 用于长途管线安全监测的光纤干涉型自动监测方法及系统 |
CN103345808B (zh) * | 2013-06-26 | 2015-09-09 | 武汉理工光科股份有限公司 | 光纤光栅周界入侵模式识别方法及系统 |
GB201502025D0 (en) * | 2015-02-06 | 2015-03-25 | Optasence Holdings Ltd | Optical fibre sensing |
GB2539254A (en) * | 2015-06-12 | 2016-12-14 | Pimon Gmbh | Method and apparatus for monitoring pipeline |
CN105841793A (zh) * | 2016-04-15 | 2016-08-10 | 深圳艾瑞斯通技术有限公司 | 一种光纤振源识别方法、装置及系统 |
CN106500821A (zh) * | 2016-09-30 | 2017-03-15 | 上海复旦智能监控成套设备有限公司 | 一种分布式光纤燃气管道安全监控方法及系统 |
CN206988826U (zh) * | 2017-05-05 | 2018-02-09 | 南京朗坤自动化有限公司 | 地下综合管廊管网振动监测预警系统 |
CN107862821A (zh) * | 2017-12-12 | 2018-03-30 | 上海师范大学 | 一种周界安防系统 |
JP6637583B2 (ja) | 2018-12-21 | 2020-01-29 | アイリスオーヤマ株式会社 | 送風機 |
-
2020
- 2020-07-08 JP JP2021533000A patent/JP7235115B2/ja active Active
- 2020-07-08 US US17/626,187 patent/US20220276089A1/en active Pending
- 2020-07-08 EP EP20839830.5A patent/EP4001862A4/en active Pending
- 2020-07-08 CN CN202080050971.0A patent/CN114127518A/zh active Pending
- 2020-07-08 WO PCT/JP2020/026687 patent/WO2021010251A1/ja unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011203116A (ja) * | 2010-03-25 | 2011-10-13 | Toyota Motor Corp | 車両用異常予測装置及び方法 |
JP2017142153A (ja) * | 2016-02-10 | 2017-08-17 | セイコーエプソン株式会社 | 寿命予測方法、寿命予測装置、および寿命予測システム |
WO2019022084A1 (ja) * | 2017-07-28 | 2019-01-31 | 長野計器株式会社 | 下水道モニタリングシステム及びその施工方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114268365A (zh) * | 2021-12-02 | 2022-04-01 | 国网甘肃省电力公司酒泉供电公司 | 一种基于可视化技术的通信光缆智能预警方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
EP4001862A4 (en) | 2022-08-17 |
WO2021010251A1 (ja) | 2021-01-21 |
CN114127518A (zh) | 2022-03-01 |
EP4001862A1 (en) | 2022-05-25 |
JP7235115B2 (ja) | 2023-03-08 |
US20220276089A1 (en) | 2022-09-01 |
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