JPS49135728U - - Google Patents

Info

Publication number
JPS49135728U
JPS49135728U JP1973147767U JP14776773U JPS49135728U JP S49135728 U JPS49135728 U JP S49135728U JP 1973147767 U JP1973147767 U JP 1973147767U JP 14776773 U JP14776773 U JP 14776773U JP S49135728 U JPS49135728 U JP S49135728U
Authority
JP
Japan
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.)
Granted
Application number
JP1973147767U
Other versions
JPS5438492Y2 (ja
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 filed Critical
Publication of JPS49135728U publication Critical patent/JPS49135728U/ja
Application granted granted Critical
Publication of JPS5438492Y2 publication Critical patent/JPS5438492Y2/ja
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
JP1973147767U 1970-07-08 1971-08-03 Expired JPS5438492Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3323970 1970-07-08

Publications (2)

Publication Number Publication Date
JPS49135728U true JPS49135728U (ja) 1974-11-21
JPS5438492Y2 JPS5438492Y2 (ja) 1979-11-16

Family

ID=10350347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1973147767U Expired JPS5438492Y2 (ja) 1970-07-08 1971-08-03

Country Status (6)

Country Link
US (1) US3781665A (ja)
JP (1) JPS5438492Y2 (ja)
BE (1) BE769624A (ja)
CH (1) CH527428A (ja)
FR (1) FR2098247B3 (ja)
GB (1) GB1352124A (ja)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316139A (en) * 1979-06-13 1982-02-16 International Telephone And Telegraph Corporation Method and apparatus for determining the location of an arc in a waveguide transmission line or the like
US4491782A (en) * 1981-04-07 1985-01-01 Bellis Edward J Apparatus for locating faults in electric cables
US4471294A (en) * 1982-10-29 1984-09-11 The United States Of America As Represented By The Secretary Of The Army Electrical conduit defect location
US4597183A (en) * 1983-02-24 1986-07-01 Standard Oil Company (Indiana) Methods and apparatus for measuring a length of cable suspending a well logging tool in a borehole
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
JPS613300A (ja) * 1984-04-11 1986-01-09 レイケム・コ−ポレイシヨン 可変状態の変化に関する情報の検出・獲得用装置
EP0222013B1 (en) 1985-06-12 1993-02-24 RAYCHEM CORPORATION (a Delaware corporation) Hydrocarbon sensor
US4914394A (en) * 1986-07-31 1990-04-03 Electromagnetic Techology, Inc. Pocket-size time domain reflectometer
US4797621A (en) * 1987-07-08 1989-01-10 Midwesco, Inc. Leak detector and locator utilizing time domain reflectometry and sampling techniques
US5268644A (en) * 1990-04-03 1993-12-07 Ford Motor Company Fault detection and isolation in automotive wiring harness by time-domain reflectometry
US5264796A (en) * 1990-04-03 1993-11-23 Ford Motor Company Fault detection and isolation in automotive wiring harness including dedicated test line
US5463317A (en) * 1994-06-29 1995-10-31 The Boeing Company Shield integrity monitor
US5729144A (en) * 1996-12-02 1998-03-17 Cummins; Kenneth L. Systems and methods for determining location of a fault on an electric utility power distribution system
US5977773A (en) * 1997-08-15 1999-11-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive impedance-based cable tester
US5894223A (en) * 1997-09-24 1999-04-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive cable tester
JPH11183553A (ja) * 1997-12-18 1999-07-09 Tohoku Electric Power Co Inc 送電線サージ標定システムおよび方法
US6160405A (en) * 1998-03-30 2000-12-12 Jovial Test Equipment, Inc. Method and apparatus for remotely changing signal characteristics of a signal generator
US6442239B1 (en) * 1999-07-23 2002-08-27 Communications Manufacturing Company Telephone line longitudinal balance tester and method
US6677761B1 (en) 2001-12-12 2004-01-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wire insulation defect detector
RU2003137665A (ru) * 2003-12-29 2005-06-10 Александр Владимирович Лопатин (RU) Способ определения параметров распределенной сети
US7660893B2 (en) * 2007-09-04 2010-02-09 International Business Machines Corporation Method and system for monitoring and instantly identifying faults in data communication cables
EP2120058A2 (en) * 2008-05-14 2009-11-18 Acterna, LLC Locating a low-resistance fault in an electrical cable
US9413519B2 (en) 2014-04-11 2016-08-09 Thomas & Betts International, Inc. Wireless transmission synchronization using a power line signal
EP3262428A1 (en) * 2015-02-23 2018-01-03 GE Aviation Systems LLC Method and apparatus for an electrical fault detecting system for a cable
US10663532B2 (en) * 2017-10-24 2020-05-26 Hamilton Sundstrand Corporation Method of testing cable shield performance
CN111766193B (zh) * 2020-07-08 2022-06-14 广东电网有限责任公司 一种电力电缆金属屏蔽层锈蚀缺陷检测装置及其方法
RU209705U1 (ru) * 2021-07-06 2022-03-18 Общество с ограниченной ответственностью Торговый дом "Кемеровский экспериментальный завод средств безопасности" (ООО ТД "КЭЗСБ") Устройство проверки изоляции кабелей

Also Published As

Publication number Publication date
DE2133899B2 (de) 1976-03-04
DE2133899A1 (de) 1972-01-20
CH527428A (de) 1972-08-31
US3781665A (en) 1973-12-25
FR2098247B3 (ja) 1974-04-05
JPS5438492Y2 (ja) 1979-11-16
BE769624A (fr) 1971-11-16
GB1352124A (en) 1974-05-08
FR2098247A3 (ja) 1972-03-10

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