FR2079208B1 - - Google Patents

Info

Publication number
FR2079208B1
FR2079208B1 FR7103393A FR7103393A FR2079208B1 FR 2079208 B1 FR2079208 B1 FR 2079208B1 FR 7103393 A FR7103393 A FR 7103393A FR 7103393 A FR7103393 A FR 7103393A FR 2079208 B1 FR2079208 B1 FR 2079208B1
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
FR7103393A
Other versions
FR2079208A1 (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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2079208A1 publication Critical patent/FR2079208A1/fr
Application granted granted Critical
Publication of FR2079208B1 publication Critical patent/FR2079208B1/fr
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
    • G01R31/11—Locating faults in cables, transmission lines, or networks using pulse reflection methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Locating Faults (AREA)
FR7103393A 1970-02-03 1971-02-02 Expired FR2079208B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702004848 DE2004848A1 (de) 1970-02-03 1970-02-03 Schaltungsanordnung zum Ermitteln von Fehler oder Inhomogemtatsstellen auf elektrischen Leitungen bzw Kabeln

Publications (2)

Publication Number Publication Date
FR2079208A1 FR2079208A1 (fr) 1971-11-12
FR2079208B1 true FR2079208B1 (fr) 1975-03-21

Family

ID=5761307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7103393A Expired FR2079208B1 (fr) 1970-02-03 1971-02-02

Country Status (4)

Country Link
US (1) US3710240A (fr)
DE (1) DE2004848A1 (fr)
FR (1) FR2079208B1 (fr)
GB (1) GB1320814A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH609181A5 (fr) * 1975-06-12 1979-02-15 Bbc Brown Boveri & Cie
FR2334116A2 (fr) * 1975-12-03 1977-07-01 Metraplan Spa Procede et dispositif destine a la localisation des defauts des lignes de securite pour remontees mecaniques
SE442920B (sv) * 1984-06-15 1986-02-03 Asea Ab Forfarande och anordning for detektering och lokalisering av ett felstelle pa en kraftledning
US4638244A (en) * 1984-10-22 1987-01-20 General Electric Company Ground connection monitor
US4932615A (en) * 1988-10-12 1990-06-12 Electric Power Research Institute Railroad track simulator for assessing track signal susceptibility to electric power line interference
US5057783A (en) * 1990-02-16 1991-10-15 Beckman Industrial Corporation Automatic impedance matching

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1519870A (en) * 1920-01-28 1924-12-16 Western Union Telegraph Co Balancing ocean-cable system
US2345932A (en) * 1941-03-26 1944-04-04 Bell Telephone Labor Inc Measuring apparatus
US2476317A (en) * 1943-05-08 1949-07-19 Western Union Telegraph Co Apparatus and method for fault locations
US2800627A (en) * 1953-05-18 1957-07-23 Comp Generale Electricite Device for the measurement of the irregularities of electrical lines
US2872643A (en) * 1956-05-07 1959-02-03 Crosby Broadcasting Corp Electrical measuring instrument
NL238727A (fr) * 1958-04-30 1900-01-01
US3156865A (en) * 1960-04-20 1964-11-10 Western Electric Co Pulse echo test set calibration circuit and method
US3115603A (en) * 1961-09-20 1963-12-24 Phillips Petroleum Co Capacitance measuring bridge utilizing voltage-sensitive capacitors for rebalancing the bridge
DE1233488B (de) * 1962-09-28 1967-02-02 Siemens Ag Verstaerkerschaltung zur Entzerrung der bei einer nach der Impulsreflexionsmethode arbeitenden Anordnung zum Bestimmen von Fehler- oder Inhomogenitaetsstellen einer elektrischen Leitung auftretenden reflektierten Impulsspannungen
US3350701A (en) * 1965-06-08 1967-10-31 Bell & Howell Co Measuring circuit employing oppositely varying voltage dependent capacitive means

Also Published As

Publication number Publication date
GB1320814A (en) 1973-06-20
FR2079208A1 (fr) 1971-11-12
DE2004848A1 (de) 1971-08-19
US3710240A (en) 1973-01-09

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Legal Events

Date Code Title Description
ST Notification of lapse