GB2200009B - A fault location system for optical fiber cable - Google Patents

A fault location system for optical fiber cable

Info

Publication number
GB2200009B
GB2200009B GB8729586A GB8729586A GB2200009B GB 2200009 B GB2200009 B GB 2200009B GB 8729586 A GB8729586 A GB 8729586A GB 8729586 A GB8729586 A GB 8729586A GB 2200009 B GB2200009 B GB 2200009B
Authority
GB
United Kingdom
Prior art keywords
optical fiber
fiber cable
location system
fault location
fault
Prior art date
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.)
Expired - Lifetime
Application number
GB8729586A
Other languages
English (en)
Other versions
GB2200009A (en
GB8729586D0 (en
Inventor
Yuichi Shirasaki
Kenichi Asakawa
Junichi Kojima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB8729586D0 publication Critical patent/GB8729586D0/en
Publication of GB2200009A publication Critical patent/GB2200009A/en
Application granted granted Critical
Publication of GB2200009B publication Critical patent/GB2200009B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Locating Faults (AREA)
GB8729586A 1987-01-08 1987-12-18 A fault location system for optical fiber cable Expired - Lifetime GB2200009B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP99987A JPS63169534A (ja) 1987-01-08 1987-01-08 光ケ−ブルの障害点検出方式

Publications (3)

Publication Number Publication Date
GB8729586D0 GB8729586D0 (en) 1988-02-03
GB2200009A GB2200009A (en) 1988-07-20
GB2200009B true GB2200009B (en) 1990-12-12

Family

ID=11489287

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8729586A Expired - Lifetime GB2200009B (en) 1987-01-08 1987-12-18 A fault location system for optical fiber cable

Country Status (2)

Country Link
JP (1) JPS63169534A (enrdf_load_stackoverflow)
GB (1) GB2200009B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8830262D0 (en) * 1988-12-24 1989-02-22 Stc Plc Submarine optical cable fault location
GB2242324B (en) * 1990-03-22 1993-09-22 Stc Plc Fault location.
US5179342A (en) * 1991-02-11 1993-01-12 Westinghouse Electric Corp. Superconductor quench measuring device which evaluates reflected pulses
US5134378A (en) * 1991-03-08 1992-07-28 Michael Twerdochlib System and method for detecting faults in generator bearing pedestals and seal insulation
JP2004350155A (ja) * 2003-05-23 2004-12-09 Sony Corp 光通信システム、光通信装置および光ケーブル
WO2016084203A1 (ja) * 2014-11-27 2016-06-02 三菱電機株式会社 エレベータの位置検出装置
CN104787274B (zh) * 2015-05-14 2017-03-22 安徽机电职业技术学院 海底电缆运动检测器及其控制方法
CN104833901B (zh) * 2015-05-14 2018-08-14 安徽机电职业技术学院 基于射频技术的海底电缆检测装置
CN105553542A (zh) * 2015-12-31 2016-05-04 中英海底系统有限公司 基于电磁感应原理的海底缆线故障点探测方法
CN113820623B (zh) * 2021-09-29 2023-08-22 苏州热工研究院有限公司 电缆屏蔽层接地故障的判断方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733545A (en) * 1972-04-13 1973-05-15 Us Navy Method for locating nonlinear mechanical junctions of metallic electrical conductors
US4322677A (en) * 1979-03-16 1982-03-30 Minnesota Mining And Manufacturing Company System and method for locating resistive faults and interconnect errors in multi-conductor cables
GB2136241A (en) * 1983-02-24 1984-09-12 Standard Oil Co Measuring cable length
US4518911A (en) * 1983-01-19 1985-05-21 Perkins Research & Mfg. Co., Inc. Cable test apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733545A (en) * 1972-04-13 1973-05-15 Us Navy Method for locating nonlinear mechanical junctions of metallic electrical conductors
US4322677A (en) * 1979-03-16 1982-03-30 Minnesota Mining And Manufacturing Company System and method for locating resistive faults and interconnect errors in multi-conductor cables
US4518911A (en) * 1983-01-19 1985-05-21 Perkins Research & Mfg. Co., Inc. Cable test apparatus
GB2136241A (en) * 1983-02-24 1984-09-12 Standard Oil Co Measuring cable length

Also Published As

Publication number Publication date
JPS63169534A (ja) 1988-07-13
GB2200009A (en) 1988-07-20
JPH0436330B2 (enrdf_load_stackoverflow) 1992-06-15
GB8729586D0 (en) 1988-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981218