JP7513106B2 - 水域監視装置及び水域監視方法 - Google Patents

水域監視装置及び水域監視方法 Download PDF

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Publication number
JP7513106B2
JP7513106B2 JP2022550378A JP2022550378A JP7513106B2 JP 7513106 B2 JP7513106 B2 JP 7513106B2 JP 2022550378 A JP2022550378 A JP 2022550378A JP 2022550378 A JP2022550378 A JP 2022550378A JP 7513106 B2 JP7513106 B2 JP 7513106B2
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Prior art keywords
water area
sound
intrusion
threat
optical fiber
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Japanese (ja)
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JPWO2022059322A5 (ja
JPWO2022059322A1 (https=
Inventor
隆 矢野
栄太郎 三隅
健一 野村
誠 小川
順 村松
正規 中野
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NEC Corp
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NEC Corp
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    • 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
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/16—Detecting, e.g. by using light barriers using one transmitter and one receiver using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1672—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using sonic detecting means, e.g. a microphone operating in the audio frequency range
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Optics & Photonics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Alarm Systems (AREA)
JP2022550378A 2020-09-17 2021-07-14 水域監視装置及び水域監視方法 Active JP7513106B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020156066 2020-09-17
JP2020156066 2020-09-17
PCT/JP2021/026481 WO2022059322A1 (ja) 2020-09-17 2021-07-14 水域監視装置、水域監視システム、水域監視方法及び記録媒体

Publications (3)

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JPWO2022059322A1 JPWO2022059322A1 (https=) 2022-03-24
JPWO2022059322A5 JPWO2022059322A5 (ja) 2023-05-24
JP7513106B2 true JP7513106B2 (ja) 2024-07-09

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JP2022550378A Active JP7513106B2 (ja) 2020-09-17 2021-07-14 水域監視装置及び水域監視方法

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US (1) US12347286B2 (https=)
JP (1) JP7513106B2 (https=)
WO (1) WO2022059322A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7444264B2 (ja) * 2020-08-12 2024-03-06 日本電気株式会社 水生生物観測装置及び水生生物観測方法
DE102023126627A1 (de) * 2023-09-29 2025-04-03 Rwe Offshore Wind Gmbh Offshore-Überwachungssystem, insbesondere für ein Offshore-Energieproduktionssystem
US20250360995A1 (en) * 2024-05-21 2025-11-27 Rtx Bbn Technologies, Inc. Method for determining watercraft bearing and speed from wave wake observation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000076560A (ja) 1998-09-01 2000-03-14 Shimadzu Corp 侵入監視装置
JP2007286885A (ja) 2006-04-17 2007-11-01 Technical Research & Development Institute Ministry Of Defence 船舶通航監視装置
US20120180552A1 (en) 2010-11-15 2012-07-19 Calvo David C Undersea pipeline intrusion detection system using low-frequency guided acoustic waves and distributed optical fiber
CN207197659U (zh) 2017-08-23 2018-04-06 国网福建省电力有限公司 海底电缆振动监测装置
CN108986363A (zh) 2018-08-24 2018-12-11 天津大学 基于arma建模的光纤安防入侵事件识别方法及装置
JP2019529952A (ja) 2016-09-08 2019-10-17 マーク アンドリュー エングルンド、 分散音響センシングのための方法およびシステム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5888871U (ja) 1981-12-10 1983-06-16 太洋無線株式会社 水中養殖場監視装置
JP2005055257A (ja) 2003-08-01 2005-03-03 Furuno Electric Co Ltd 港湾監視レーダ装置
DK177172B1 (en) 2010-11-05 2012-04-16 Nkt Cables Group As An integrity monitoring system and a method of monitoring integrity of a stationary structure
US11483067B2 (en) * 2018-08-30 2022-10-25 Nec Corporation Optical time domain reflectometer, test method of optical transmission line, and test system of optical transmission line
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
GB201820331D0 (en) * 2018-12-13 2019-01-30 Bp Exploration Operating Co Ltd Distributed acoustic sensing autocalibration
US11802810B2 (en) * 2020-03-09 2023-10-31 Verizon Patent And Licensing Inc. Systems and methods for determining fiber cable geographic locations
EP4016036B1 (en) * 2020-12-17 2026-04-01 AP Sensing GmbH Optic distributed sensing in a blind region

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000076560A (ja) 1998-09-01 2000-03-14 Shimadzu Corp 侵入監視装置
JP2007286885A (ja) 2006-04-17 2007-11-01 Technical Research & Development Institute Ministry Of Defence 船舶通航監視装置
US20120180552A1 (en) 2010-11-15 2012-07-19 Calvo David C Undersea pipeline intrusion detection system using low-frequency guided acoustic waves and distributed optical fiber
JP2019529952A (ja) 2016-09-08 2019-10-17 マーク アンドリュー エングルンド、 分散音響センシングのための方法およびシステム
CN207197659U (zh) 2017-08-23 2018-04-06 国网福建省电力有限公司 海底电缆振动监测装置
CN108986363A (zh) 2018-08-24 2018-12-11 天津大学 基于arma建模的光纤安防入侵事件识别方法及装置

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Publication number Publication date
US12347286B2 (en) 2025-07-01
WO2022059322A1 (ja) 2022-03-24
JPWO2022059322A1 (https=) 2022-03-24
US20230326309A1 (en) 2023-10-12

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