ES432576A1 - Un montaje localizador de desconexiones en una ruta de transmision. - Google Patents

Un montaje localizador de desconexiones en una ruta de transmision.

Info

Publication number
ES432576A1
ES432576A1 ES432576A ES432576A ES432576A1 ES 432576 A1 ES432576 A1 ES 432576A1 ES 432576 A ES432576 A ES 432576A ES 432576 A ES432576 A ES 432576A ES 432576 A1 ES432576 A1 ES 432576A1
Authority
ES
Spain
Prior art keywords
transistor
resistance
emitter
power
circuit
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
Application number
ES432576A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES432576A1 publication Critical patent/ES432576A1/es
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
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/407—Monitoring; Testing of relay systems without selective localization
    • H04B17/409—Monitoring; Testing of relay systems without selective localization by means of resistance, voltage or current measurement

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)
ES432576A 1973-12-06 1974-12-04 Un montaje localizador de desconexiones en una ruta de transmision. Expired ES432576A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732360955 DE2360955A1 (de) 1973-12-06 1973-12-06 Anordnung zur ortung von leitungsunterbrechungen einer uebertragungsstrecke

Publications (1)

Publication Number Publication Date
ES432576A1 true ES432576A1 (es) 1976-09-01

Family

ID=5900131

Family Applications (1)

Application Number Title Priority Date Filing Date
ES432576A Expired ES432576A1 (es) 1973-12-06 1974-12-04 Un montaje localizador de desconexiones en una ruta de transmision.

Country Status (3)

Country Link
DE (1) DE2360955A1 (es)
ES (1) ES432576A1 (es)
GB (1) GB1453337A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933439C2 (de) * 1979-08-17 1984-07-12 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Inbetriebnahme der beidseitigen Fernspeisung von Zwischenstellen einer Einrichtung der Nachrichtenübertragungstechnik
DE3105033C2 (de) * 1981-02-12 1986-02-06 ANT Nachrichtentechnik GmbH, 7150 Backnang Elektronische Schleifenschlußschaltung
FR2500638A1 (fr) * 1981-02-20 1982-08-27 Laurette Michel Cable a fibres optiques
FR2504331B1 (fr) * 1981-04-17 1989-12-08 Prigent Hubert Dispositif de detection de courant pour localiser une boucle resistive ou non dans une ligne bifilaire ou pour commuter deux lignes bifilaires
DE4340936C2 (de) * 1993-12-01 1997-02-20 Sel Alcatel Ag Schaltungsanordnung zur Ortung fehlerhafter ferngespeister Zwischenverstärker

Also Published As

Publication number Publication date
DE2360955A1 (de) 1975-06-12
GB1453337A (en) 1976-10-20

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