FR2504274B1 - - Google Patents

Info

Publication number
FR2504274B1
FR2504274B1 FR8107784A FR8107784A FR2504274B1 FR 2504274 B1 FR2504274 B1 FR 2504274B1 FR 8107784 A FR8107784 A FR 8107784A FR 8107784 A FR8107784 A FR 8107784A FR 2504274 B1 FR2504274 B1 FR 2504274B1
Authority
FR
France
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
Application number
FR8107784A
Other languages
French (fr)
Other versions
FR2504274A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8107784A priority Critical patent/FR2504274A1/fr
Priority to EP82400337A priority patent/EP0063502B1/fr
Priority to DE8282400337T priority patent/DE3260482D1/de
Priority to US06/355,330 priority patent/US4550223A/en
Priority to CA000398049A priority patent/CA1191640A/en
Priority to JP6118582A priority patent/JPS57179763A/ja
Publication of FR2504274A1 publication Critical patent/FR2504274A1/fr
Application granted granted Critical
Publication of FR2504274B1 publication Critical patent/FR2504274B1/fr
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
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/301—Circuit arrangements at the subscriber's side of the line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Locating Faults (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR8107784A 1981-04-17 1981-04-17 Dispositif de localisation de defauts dans une ligne bifilaire Granted FR2504274A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8107784A FR2504274A1 (fr) 1981-04-17 1981-04-17 Dispositif de localisation de defauts dans une ligne bifilaire
EP82400337A EP0063502B1 (fr) 1981-04-17 1982-02-26 Dispositif de localisation de défauts dans une ligne bifilaire
DE8282400337T DE3260482D1 (en) 1981-04-17 1982-02-26 Arrangement for locating faults in a two-wire line
US06/355,330 US4550223A (en) 1981-04-17 1982-03-08 Test device, and method for locating faults in a two-lead line
CA000398049A CA1191640A (en) 1981-04-17 1982-03-10 Test device for locating faults in a two-lead line
JP6118582A JPS57179763A (en) 1981-04-17 1982-04-14 Test device for positioning trouble of two-wire line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8107784A FR2504274A1 (fr) 1981-04-17 1981-04-17 Dispositif de localisation de defauts dans une ligne bifilaire

Publications (2)

Publication Number Publication Date
FR2504274A1 FR2504274A1 (fr) 1982-10-22
FR2504274B1 true FR2504274B1 (OSRAM) 1983-05-27

Family

ID=9257549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8107784A Granted FR2504274A1 (fr) 1981-04-17 1981-04-17 Dispositif de localisation de defauts dans une ligne bifilaire

Country Status (6)

Country Link
US (1) US4550223A (OSRAM)
EP (1) EP0063502B1 (OSRAM)
JP (1) JPS57179763A (OSRAM)
CA (1) CA1191640A (OSRAM)
DE (1) DE3260482D1 (OSRAM)
FR (1) FR2504274A1 (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564979B1 (fr) * 1984-05-25 1988-12-09 Constr Telephoniques Systeme de localisation de defauts dans une ligne bifilaire
GB9718428D0 (en) * 1997-09-02 1997-11-05 Plessey Telecomm Telelcommunications line termination test
GB2329552B (en) * 1997-09-02 2002-04-03 Gpt Ltd Telecommunications line terminator test
US6108404A (en) 1998-02-05 2000-08-22 Mci Communications Corporation Method and system for testing a connection in a telephone network using interactive telephone response module
US6538451B1 (en) 1999-06-25 2003-03-25 Telcordia Technologies, Inc. Single ended measurement method and system for determining subscriber loop make up
US6819744B1 (en) 1999-09-30 2004-11-16 Telcordia Technologies, Inc. System and circuitry for measuring echoes on subscriber loops
EP1219097B1 (en) * 1999-09-30 2005-04-06 Telcordia Technologies, Inc. Improved method for determining subscriber loop make-up
US6724859B1 (en) 1999-09-30 2004-04-20 Telcordia Technologies, Inc. Method for determining subscriber loop make-up by subtracting calculated signals
EP1114917A3 (de) 2000-01-04 2002-03-06 TCG UNITECH Aktiengesellschaft Vorrichtung zur Drehwinkelverstellung
DE102013109237A1 (de) * 2013-08-27 2015-03-05 Endress + Hauser Flowtec Ag Stromausgangsschaltung, Testanordnung mit einer Stromausgangsschaltung und Messumformer
US10439434B2 (en) * 2016-03-09 2019-10-08 Florida Power & Light Company Impedance shift analysis to predict failures in an electrical power distribution network

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2050703A (en) * 1934-06-09 1936-08-11 Bell Telephone Labor Inc Transmission system regulation
DE1416618A1 (de) * 1961-11-27 1969-02-13 Siemens Ag Schaltungsanordnung zum Messen der Fehlerstellenentfernung auf Leitungen
DE1157663B (de) * 1962-05-16 1963-11-21 Felten & Guilleaume Gmbh Schaltungsanordnung zur Fehlerortung bei UEbertragungsleitungen mit mehreren unbemannten Zwischenverstaerkerstationen
DE1219096B (de) * 1964-09-01 1966-06-16 Siemens Ag Verfahren zur Pruefung der Betriebsfaehigkeit von Teilnehmeranschlussleitungen in Fernmelde-, insbesondere Fernsprechanlagen
US3636280A (en) * 1970-09-17 1972-01-18 Gen Telephone Co Of California Telephone line testing from remote locations
GB1333667A (en) * 1971-05-03 1973-10-10 Westinghouse Brake & Signal Electrical fault location apparatus
US4025736A (en) * 1974-09-12 1977-05-24 Rfl Industries, Inc. Apparatus for measuring the value of a variable condition
DE2620348C2 (de) * 1976-05-07 1978-01-26 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Ortung von Unterbrechungen auf Nachrichtenübertragungsstrecken
EP0003433A1 (en) * 1978-01-27 1979-08-08 The Post Office Improvements in or relating to the location of contact faults on electrically conductive cables
US4187504A (en) * 1978-02-03 1980-02-05 Midland-Ross Corporation Fault monitoring and indicator system
FR2481032A1 (fr) * 1980-04-16 1981-10-23 Metais Gerard Systeme de localisation d'ouvertures et de boucles notamment dans une ligne telephonique d'abonne
US4373121A (en) * 1981-06-15 1983-02-08 Bell Telephone Laboratories, Incorporated Maintenance termination device
US4438299A (en) * 1982-02-26 1984-03-20 Tomim William L On-line telephone troubleshooting apparatus

Also Published As

Publication number Publication date
JPS57179763A (en) 1982-11-05
US4550223A (en) 1985-10-29
FR2504274A1 (fr) 1982-10-22
DE3260482D1 (en) 1984-09-06
EP0063502A1 (fr) 1982-10-27
EP0063502B1 (fr) 1984-08-01
JPH0352584B2 (OSRAM) 1991-08-12
CA1191640A (en) 1985-08-06

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Legal Events

Date Code Title Description
ST Notification of lapse