JP7533566B2 - 監視システム、監視装置、及び監視方法 - Google Patents

監視システム、監視装置、及び監視方法 Download PDF

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Publication number
JP7533566B2
JP7533566B2 JP2022504830A JP2022504830A JP7533566B2 JP 7533566 B2 JP7533566 B2 JP 7533566B2 JP 2022504830 A JP2022504830 A JP 2022504830A JP 2022504830 A JP2022504830 A JP 2022504830A JP 7533566 B2 JP7533566 B2 JP 7533566B2
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Japan
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accident
incident
occurred
detection unit
notification
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Japanese (ja)
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JPWO2021176581A1 (https=
JPWO2021176581A5 (https=
Inventor
啓徳 北原
義明 青野
祐輔 櫻井
忠行 岩野
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NEC Corp
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NEC Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0791—Fault location on the transmission path
    • 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 SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • 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
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Emergency Alarm Devices (AREA)
  • Fire Alarms (AREA)
JP2022504830A 2020-03-04 2020-03-04 監視システム、監視装置、及び監視方法 Active JP7533566B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/009053 WO2021176581A1 (ja) 2020-03-04 2020-03-04 監視システム、監視装置、及び監視方法

Publications (3)

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JPWO2021176581A1 JPWO2021176581A1 (https=) 2021-09-10
JPWO2021176581A5 JPWO2021176581A5 (https=) 2022-10-19
JP7533566B2 true JP7533566B2 (ja) 2024-08-14

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JP2022504830A Active JP7533566B2 (ja) 2020-03-04 2020-03-04 監視システム、監視装置、及び監視方法

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US (1) US12009855B2 (https=)
JP (1) JP7533566B2 (https=)
WO (1) WO2021176581A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11777598B2 (en) * 2021-06-21 2023-10-03 Ciena Corporation Utilizing polarization characteristics to detect vibrations in optical fibers
WO2023157312A1 (ja) * 2022-02-21 2023-08-24 日本電気株式会社 信号処理装置、システム、方法、及び非一時的なコンピュータ可読媒体
CN118172914B (zh) * 2024-05-16 2024-07-30 三峡金沙江川云水电开发有限公司 一种排水洞入侵事件监测预警方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009037438A (ja) 2007-08-02 2009-02-19 Hochiki Corp 防災表示盤及び制御方法
JP2016040685A (ja) 2014-08-12 2016-03-24 ホーチキ株式会社 防災受信機
JP2017134673A (ja) 2016-01-28 2017-08-03 日本ドライケミカル株式会社 火災、侵入、漏水等の検知及び照明手段を備えた検知および報知システム
JP2019537721A (ja) 2016-11-10 2019-12-26 マーク アンドリュー エングルンド、 デジタルデータを提供する音響方法及びシステム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002152937A (ja) 2000-11-13 2002-05-24 Toshiba Corp 異常信号監視装置
JP2013185922A (ja) 2012-03-07 2013-09-19 Hitachi Cable Ltd 光ファイバ振動センサ
GB201601060D0 (en) * 2016-01-20 2016-03-02 Fotech Solutions Ltd Distributed optical fibre sensors
CN112601937A (zh) * 2018-08-30 2021-04-02 日本电气株式会社 状态指定系统、状态指定装置、状态指定方法以及非暂时性计算机可读介质
CN114207389A (zh) 2019-08-13 2022-03-18 日本电气株式会社 光纤传感系统、光纤传感设备和救援请求检测方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009037438A (ja) 2007-08-02 2009-02-19 Hochiki Corp 防災表示盤及び制御方法
JP2016040685A (ja) 2014-08-12 2016-03-24 ホーチキ株式会社 防災受信機
JP2017134673A (ja) 2016-01-28 2017-08-03 日本ドライケミカル株式会社 火災、侵入、漏水等の検知及び照明手段を備えた検知および報知システム
JP2019537721A (ja) 2016-11-10 2019-12-26 マーク アンドリュー エングルンド、 デジタルデータを提供する音響方法及びシステム

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JPWO2021176581A1 (https=) 2021-09-10
WO2021176581A1 (ja) 2021-09-10
US12009855B2 (en) 2024-06-11
US20230061220A1 (en) 2023-03-02

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