JPH0344674B2 - - Google Patents

Info

Publication number
JPH0344674B2
JPH0344674B2 JP1270140A JP27014089A JPH0344674B2 JP H0344674 B2 JPH0344674 B2 JP H0344674B2 JP 1270140 A JP1270140 A JP 1270140A JP 27014089 A JP27014089 A JP 27014089A JP H0344674 B2 JPH0344674 B2 JP H0344674B2
Authority
JP
Japan
Prior art keywords
conductor
voltage
signal
fault
wire
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
JP1270140A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0328778A (ja
Inventor
Daburyuu Baado Denisu
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.)
Grumman Corp
Original Assignee
Grumman Aerospace Corp
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 Grumman Aerospace Corp filed Critical Grumman Aerospace Corp
Publication of JPH0328778A publication Critical patent/JPH0328778A/ja
Publication of JPH0344674B2 publication Critical patent/JPH0344674B2/ja
Granted 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
    • G01R31/088—Aspects of digital computing
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Locating Faults (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP1270140A 1981-06-22 1989-10-16 ケーブルにおける故障状況をみつけだすための装置および方法 Granted JPH0328778A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US275608 1981-06-22
US06/275,608 US4446421A (en) 1981-06-22 1981-06-22 Apparatus and method for locating faults in cables

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP57109079A Division JPS589079A (ja) 1981-06-22 1982-06-22 ケ−ブルにおける故障状況をみつけだすための装置および方法

Publications (2)

Publication Number Publication Date
JPH0328778A JPH0328778A (ja) 1991-02-06
JPH0344674B2 true JPH0344674B2 (en]) 1991-07-08

Family

ID=23053082

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57109079A Granted JPS589079A (ja) 1981-06-22 1982-06-22 ケ−ブルにおける故障状況をみつけだすための装置および方法
JP1270140A Granted JPH0328778A (ja) 1981-06-22 1989-10-16 ケーブルにおける故障状況をみつけだすための装置および方法

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57109079A Granted JPS589079A (ja) 1981-06-22 1982-06-22 ケ−ブルにおける故障状況をみつけだすための装置および方法

Country Status (7)

Country Link
US (1) US4446421A (en])
EP (1) EP0068767A1 (en])
JP (2) JPS589079A (en])
AU (1) AU541558B2 (en])
BR (1) BR8203621A (en])
CA (1) CA1183211A (en])
MX (1) MX152770A (en])

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612498A (en) * 1982-08-06 1986-09-16 Smalley Daniel S Induction furnace fault locator
US5382909A (en) * 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
US5015958A (en) * 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
JPS60221373A (ja) * 1984-04-13 1985-11-06 日揮株式会社 加熱炉の耐火断熱ライニング材の腐蝕防止処理法
JPS61125137U (en]) * 1985-01-23 1986-08-06
ATE86040T1 (de) * 1985-06-12 1993-03-15 Raychem Corp Kohlenwasserstoffsensor.
CH666968A5 (fr) * 1986-03-25 1988-08-31 Gerard Andre Lavanchy Procede et dispositif pour la localisation d'un defaut dans un cable electrique.
JP2610834B2 (ja) * 1986-07-25 1997-05-14 セイコー電子工業株式会社 短絡位置検出装置及び短絡位置検出方法
JP2610833B2 (ja) * 1986-07-25 1997-05-14 セイコー電子工業株式会社 短絡位置検出装置及び短絡位置検出方法
FI81682C (fi) * 1986-12-29 1990-11-12 Elecid Ab Oy Kabelbrottdetektor.
US4929900A (en) * 1987-12-29 1990-05-29 Industrial Technology, Inc. Method for locating conductive faults in telephone and similar cables
US4922183A (en) * 1988-06-03 1990-05-01 Raychem Corporation Methods, systems and apparatus for detecting changes in variables
US5347225A (en) * 1991-07-17 1994-09-13 Tut Systems, Inc. Network monitor and test apparatus
WO1993002510A1 (en) * 1991-07-17 1993-02-04 Tutankhamon Electronics Network monitor and test apparatus
JP3228631B2 (ja) * 1993-12-24 2001-11-12 東京エレクトロン株式会社 テスタ
US5461318A (en) * 1994-06-08 1995-10-24 Borchert; Marshall B. Apparatus and method for improving a time domain reflectometer
US5610530A (en) * 1994-10-26 1997-03-11 Texas Instruments Incorporated Analog interconnect testing
CA2151094C (en) * 1995-06-06 1999-05-11 David E. Vokey Cable monitoring system with multiple branch terminations
FR2783926B1 (fr) * 1998-09-28 2001-10-19 Socrat Procede et dispositif pour la localisation d'un defaut d'isolement d'un cable
JP3687472B2 (ja) * 2000-03-13 2005-08-24 豊田工機株式会社 温度検出装置
US6411074B1 (en) * 2000-09-25 2002-06-25 The United States Of America As Represented By The Secretary Of The Navy Pulse width modulated cable signal injecting apparatus
US6651013B1 (en) 2000-11-16 2003-11-18 International Business Machines Corporation Method and apparatus for determining the location of a short in an electrical wire network
US8078303B2 (en) * 2007-07-03 2011-12-13 Southwire Company Electronic supervisor
SG10201710035XA (en) * 2013-11-19 2018-01-30 Hyun Chang Lee Mobile electric leakage detection device and method
FR3071065B1 (fr) * 2017-09-08 2020-10-02 Dcns Dispositif de controle d'isolement et/ou de continuite d'au moins un cable electrique et procede de controle associe
DE102017122684A1 (de) * 2017-09-29 2019-04-04 Lisa Dräxlmaier GmbH Prüfvorrichtung und prüfverfahren zum prüfen eines datenkabels für ein kraftfharzeug mittels konstantstromquelle
JP6620185B2 (ja) * 2018-04-19 2019-12-11 東日本電信電話株式会社 故障位置検知装置
CN114114084B (zh) * 2021-11-23 2024-07-05 广州风神汽车有限公司 机器人编码器电缆故障诊断及应急装置及方法
EP4484967A1 (de) * 2023-06-26 2025-01-01 Kries Ingenieurbüro GmbH & Co. KG Kapazitive spannungsprüfvorrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1958361A (en) * 1931-10-24 1934-05-08 Western Union Telegraph Co Method of locating faults in cable conductors
US2120391A (en) * 1934-11-10 1938-06-14 Western Electric Co Measuring device
US2551942A (en) * 1947-11-29 1951-05-08 Greene Thomas Apparatus for locating faults in electric circuits
US3234459A (en) * 1959-01-02 1966-02-08 Whitney Blake Co Method and apparatus for locating faults in electrical cable lines by comparing the impedance of the entire faulted line to the impedance of a section of the line
US3358226A (en) * 1963-06-14 1967-12-12 Whitney Blake Co Cable fault locator employing shielded tuned amplifier circuitry
US3445763A (en) * 1965-10-06 1969-05-20 Gen Electric Digital reading impedance measuring arrangement
US3800216A (en) * 1971-08-11 1974-03-26 Dynatel Corp Cable fault locator apparatus and method with reference voltage comparison
BE793428A (fr) * 1971-12-29 1973-04-16 Western Electric Co Dispositif de localisation de defauts sur une
US3842247A (en) * 1972-10-18 1974-10-15 Bell Telephone Labor Inc Apparatus and method for measuring envelope delay utilizing {90 -point technique
US3944914A (en) * 1974-04-29 1976-03-16 Perkins Research And Manufacturing Co. Fault detection method and apparatus for multiconductor cables
US4025736A (en) * 1974-09-12 1977-05-24 Rfl Industries, Inc. Apparatus for measuring the value of a variable condition
US4052694A (en) * 1975-06-16 1977-10-04 Chevron Research Company Method and apparatus for diagnosing faults in the geophone group of a geophysical data acquisition system
US4041288A (en) * 1976-09-15 1977-08-09 Dana Laboratories, Inc. Voltage level display circuit

Also Published As

Publication number Publication date
CA1183211A (en) 1985-02-26
JPH0242196B2 (en]) 1990-09-20
JPS589079A (ja) 1983-01-19
US4446421A (en) 1984-05-01
BR8203621A (pt) 1983-06-14
AU541558B2 (en) 1985-01-10
AU8497882A (en) 1983-01-06
MX152770A (es) 1986-05-09
EP0068767A1 (en) 1983-01-05
JPH0328778A (ja) 1991-02-06

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