JPWO2021171598A1 - - Google Patents

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Publication number
JPWO2021171598A1
JPWO2021171598A1 JP2022503037A JP2022503037A JPWO2021171598A1 JP WO2021171598 A1 JPWO2021171598 A1 JP WO2021171598A1 JP 2022503037 A JP2022503037 A JP 2022503037A JP 2022503037 A JP2022503037 A JP 2022503037A JP WO2021171598 A1 JPWO2021171598 A1 JP WO2021171598A1
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.)
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Application number
JP2022503037A
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JP7306562B2 (ja
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Publication of JPWO2021171598A1 publication Critical patent/JPWO2021171598A1/ja
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Publication of JP7306562B2 publication Critical patent/JP7306562B2/ja
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Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • 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
    • G01M11/02—Testing optical properties
    • G01M11/0285—Testing optical properties by measuring material or chromatic transmission properties
    • 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
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2022503037A 2020-02-28 2020-02-28 浸水検知システム及び浸水検知方法 Active JP7306562B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/008466 WO2021171598A1 (ja) 2020-02-28 2020-02-28 浸水検知システム及び浸水検知方法

Publications (2)

Publication Number Publication Date
JPWO2021171598A1 true JPWO2021171598A1 (ja) 2021-09-02
JP7306562B2 JP7306562B2 (ja) 2023-07-11

Family

ID=77492066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022503037A Active JP7306562B2 (ja) 2020-02-28 2020-02-28 浸水検知システム及び浸水検知方法

Country Status (3)

Country Link
US (1) US20230126470A1 (ja)
JP (1) JP7306562B2 (ja)
WO (1) WO2021171598A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020158033A1 (ja) * 2019-01-29 2020-08-06 日本電信電話株式会社 光パルス試験装置、及び光パルス試験方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060233485A1 (en) * 2005-03-23 2006-10-19 Allen Donald W Underwater structure monitoring systems and methods
JP2007003231A (ja) * 2005-06-21 2007-01-11 Chugoku Electric Power Co Inc:The 光ファイバの浸水判定方法及びシステム
JP2007278870A (ja) * 2006-04-07 2007-10-25 Ntt Infranet Co Ltd 液体検知素子、液体検知センサ、液体検知システム、液体検知方法
JP2019152630A (ja) * 2018-03-06 2019-09-12 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
WO2020158033A1 (ja) * 2019-01-29 2020-08-06 日本電信電話株式会社 光パルス試験装置、及び光パルス試験方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060233485A1 (en) * 2005-03-23 2006-10-19 Allen Donald W Underwater structure monitoring systems and methods
JP2007003231A (ja) * 2005-06-21 2007-01-11 Chugoku Electric Power Co Inc:The 光ファイバの浸水判定方法及びシステム
JP2007278870A (ja) * 2006-04-07 2007-10-25 Ntt Infranet Co Ltd 液体検知素子、液体検知センサ、液体検知システム、液体検知方法
JP2019152630A (ja) * 2018-03-06 2019-09-12 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
WO2020158033A1 (ja) * 2019-01-29 2020-08-06 日本電信電話株式会社 光パルス試験装置、及び光パルス試験方法

Also Published As

Publication number Publication date
WO2021171598A1 (ja) 2021-09-02
JP7306562B2 (ja) 2023-07-11
US20230126470A1 (en) 2023-04-27

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