JPS57179763A - Test device for positioning trouble of two-wire line - Google Patents

Test device for positioning trouble of two-wire line

Info

Publication number
JPS57179763A
JPS57179763A JP6118582A JP6118582A JPS57179763A JP S57179763 A JPS57179763 A JP S57179763A JP 6118582 A JP6118582 A JP 6118582A JP 6118582 A JP6118582 A JP 6118582A JP S57179763 A JPS57179763 A JP S57179763A
Authority
JP
Japan
Prior art keywords
test device
wire line
positioning trouble
trouble
positioning
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.)
Granted
Application number
JP6118582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0352584B2 (enExample
Inventor
Pieeru Powatoban Jiyan
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
Publication of JPS57179763A publication Critical patent/JPS57179763A/ja
Publication of JPH0352584B2 publication Critical patent/JPH0352584B2/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
    • G01R31/081—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)
JP6118582A 1981-04-17 1982-04-14 Test device for positioning trouble of two-wire line Granted JPS57179763A (en)

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
JPS57179763A true JPS57179763A (en) 1982-11-05
JPH0352584B2 JPH0352584B2 (enExample) 1991-08-12

Family

ID=9257549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6118582A Granted JPS57179763A (en) 1981-04-17 1982-04-14 Test device for positioning trouble of two-wire line

Country Status (6)

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

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
US4550223A (en) 1985-10-29
FR2504274A1 (fr) 1982-10-22
DE3260482D1 (en) 1984-09-06
EP0063502A1 (fr) 1982-10-27
FR2504274B1 (enExample) 1983-05-27
EP0063502B1 (fr) 1984-08-01
JPH0352584B2 (enExample) 1991-08-12
CA1191640A (en) 1985-08-06

Similar Documents

Publication Publication Date Title
JPS57196540A (en) Test device
JPS57179613A (en) Measuring device for contour of object
DE3279731D1 (en) Device for measuring dimensions
GB2109567B (en) Cover unit for measuring devices
JPS56108906A (en) Dislocation measuring device
GB2147698B (en) Test apparatus for immunoassay
JPS57175542A (en) Device for mounting connecting piece
JPS57175961A (en) Probe device
JPS57199220A (en) Positioning device
JPS57179763A (en) Test device for positioning trouble of two-wire line
JPS57142833A (en) Device for mounting connecting piece
GB2110389B (en) Testing operability of a semiconductor device
GB2145537B (en) A measuring device for testing optical systems of an endoscope
DE3265148D1 (en) Positioning device for an object
JPS57211046A (en) Device for measuring characteristic selected of fluid
JPS57121425A (en) Device for mounting pin
GB2261286B (en) Test device for a group of receivers
ZA824081B (en) Device for location of a train
DE3267925D1 (en) Test device
JPS57205000A (en) Compound measuring apparatus
BG41953A1 (en) Measuring device
JPS57146108A (en) Apparatus for fixing measuring buoy
GB2110386B (en) Apparatus for monitoring the state of a multi-state device
JPS56101317A (en) Device for attaching search signal line
JPS57204429A (en) Measuring device