JP2020508467A5 - - Google Patents

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JP2020508467A5
JP2020508467A5 JP2019560464A JP2019560464A JP2020508467A5 JP 2020508467 A5 JP2020508467 A5 JP 2020508467A5 JP 2019560464 A JP2019560464 A JP 2019560464A JP 2019560464 A JP2019560464 A JP 2019560464A JP 2020508467 A5 JP2020508467 A5 JP 2020508467A5
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Japan
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light
optical
sensing fiber
optical probe
frequency
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JP2019560464A
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JP6921236B2 (ja
JP2020508467A (ja
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JP2019560464A 2017-01-20 2018-01-12 分散型音響センシング Active JP6921236B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1700994.5A GB2558922A (en) 2017-01-20 2017-01-20 Distributed acoustic sensing
GB1700994.5 2017-01-20
PCT/EP2018/050793 WO2018134137A1 (en) 2017-01-20 2018-01-12 Distributed acoustic sensing

Publications (3)

Publication Number Publication Date
JP2020508467A JP2020508467A (ja) 2020-03-19
JP2020508467A5 true JP2020508467A5 (enExample) 2020-12-24
JP6921236B2 JP6921236B2 (ja) 2021-08-18

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JP2019560464A Active JP6921236B2 (ja) 2017-01-20 2018-01-12 分散型音響センシング

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US (1) US10935398B2 (enExample)
EP (1) EP3571475B1 (enExample)
JP (1) JP6921236B2 (enExample)
CN (1) CN110383009B (enExample)
ES (1) ES2879252T3 (enExample)
GB (1) GB2558922A (enExample)
WO (1) WO2018134137A1 (enExample)

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US11543287B2 (en) * 2020-05-20 2023-01-03 Nec Corporation Distributed acoustic sensing using multi-band time-gated digital orthogonal frequency domain reflectometry
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