JPWO2022185469A1 - - Google Patents
Info
- Publication number
- JPWO2022185469A1 JPWO2022185469A1 JP2023503276A JP2023503276A JPWO2022185469A1 JP WO2022185469 A1 JPWO2022185469 A1 JP WO2022185469A1 JP 2023503276 A JP2023503276 A JP 2023503276A JP 2023503276 A JP2023503276 A JP 2023503276A JP WO2022185469 A1 JPWO2022185469 A1 JP WO2022185469A1
- 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
- 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
- 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0066—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/008374 WO2022185469A1 (ja) | 2021-03-04 | 2021-03-04 | 工事検出装置、工事検出システム及び工事検出方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022185469A1 true JPWO2022185469A1 (https=) | 2022-09-09 |
| JPWO2022185469A5 JPWO2022185469A5 (https=) | 2023-11-02 |
| JP7574913B2 JP7574913B2 (ja) | 2024-10-29 |
Family
ID=83155229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023503276A Active JP7574913B2 (ja) | 2021-03-04 | 2021-03-04 | 検出装置、検出システム及び検出方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7574913B2 (https=) |
| WO (1) | WO2022185469A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7799226B2 (ja) * | 2022-09-27 | 2026-01-15 | Ｎｔｔ株式会社 | 推定装置、推定方法及びプログラム |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2002152937A (ja) * | 2000-11-13 | 2002-05-24 | Toshiba Corp | 異常信号監視装置 |
| JP2005241431A (ja) * | 2004-02-26 | 2005-09-08 | Tokyo Gas Co Ltd | 光ファイバ干渉型センサ |
| JP2013072800A (ja) * | 2011-09-28 | 2013-04-22 | Chugoku Electric Power Co Inc:The | 振動検出システム |
| WO2020255358A1 (ja) * | 2019-06-20 | 2020-12-24 | 日本電気株式会社 | 光ファイバセンシングシステム及び音源位置特定方法 |
| WO2021010251A1 (ja) * | 2019-07-17 | 2021-01-21 | 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、及び異常判断方法 |
-
2021
- 2021-03-04 JP JP2023503276A patent/JP7574913B2/ja active Active
- 2021-03-04 WO PCT/JP2021/008374 patent/WO2022185469A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2002152937A (ja) * | 2000-11-13 | 2002-05-24 | Toshiba Corp | 異常信号監視装置 |
| JP2005241431A (ja) * | 2004-02-26 | 2005-09-08 | Tokyo Gas Co Ltd | 光ファイバ干渉型センサ |
| JP2013072800A (ja) * | 2011-09-28 | 2013-04-22 | Chugoku Electric Power Co Inc:The | 振動検出システム |
| WO2020255358A1 (ja) * | 2019-06-20 | 2020-12-24 | 日本電気株式会社 | 光ファイバセンシングシステム及び音源位置特定方法 |
| WO2021010251A1 (ja) * | 2019-07-17 | 2021-01-21 | 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、及び異常判断方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240125642A1 (en) | 2024-04-18 |
| JP7574913B2 (ja) | 2024-10-29 |
| WO2022185469A1 (ja) | 2022-09-09 |
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