SE7706576L - Forfarande och anordning for att testa overforingsledningar - Google Patents

Forfarande och anordning for att testa overforingsledningar

Info

Publication number
SE7706576L
SE7706576L SE7706576A SE7706576A SE7706576L SE 7706576 L SE7706576 L SE 7706576L SE 7706576 A SE7706576 A SE 7706576A SE 7706576 A SE7706576 A SE 7706576A SE 7706576 L SE7706576 L SE 7706576L
Authority
SE
Sweden
Prior art keywords
procedure
transmission lines
testing transmission
testing
lines
Prior art date
Application number
SE7706576A
Other languages
English (en)
Other versions
SE416098B (sv
Inventor
P Cochrane
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of SE7706576L publication Critical patent/SE7706576L/sv
Publication of SE416098B publication Critical patent/SE416098B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Feedback Control In General (AREA)
SE7706576A 1976-06-08 1977-06-06 Forfarande och anordning for att testa overforingsledningar SE416098B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23599/76A GB1580435A (en) 1976-06-08 1976-06-08 Method and apparatus for testing transmission lines

Publications (2)

Publication Number Publication Date
SE7706576L true SE7706576L (sv) 1977-12-09
SE416098B SE416098B (sv) 1980-11-24

Family

ID=10198276

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7706576A SE416098B (sv) 1976-06-08 1977-06-06 Forfarande och anordning for att testa overforingsledningar

Country Status (8)

Country Link
US (1) US4110572A (sv)
JP (1) JPS5316514A (sv)
CA (1) CA1061409A (sv)
DE (1) DE2725061A1 (sv)
FR (1) FR2393317A1 (sv)
GB (1) GB1580435A (sv)
NL (1) NL7706267A (sv)
SE (1) SE416098B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS628103Y2 (sv) * 1978-12-06 1987-02-25
IT8168493A1 (it) * 1981-11-18 1983-05-18 Cselt Centro Studi E Laboratori Telecomunicazioni S P A Strumento di misura della disequalizzazione globale di ampiezza e fase fra estremi lontani di un canale di trasmissione
US4760592A (en) * 1985-02-07 1988-07-26 Secom General Corporation Wire tap detection device with passive testing
US4791659A (en) * 1986-10-30 1988-12-13 Domain Systems, Inc. Remote test telephone line access system
US5179341A (en) * 1991-06-28 1993-01-12 Hewlett-Packard Company System and method for detecting an improper termination and a short circuit in a network
GB9322920D0 (en) * 1993-11-06 1993-12-22 Bicc Plc Device for testing an electrical line
DE19621055C2 (de) * 1996-05-24 1999-12-02 Andreas Grimm Engineering Elek Verfahren zur Qualitätsanalyse einer Übertragungsstrecke
US5874918A (en) * 1996-10-07 1999-02-23 Lockheed Martin Corporation Doppler triangulation transmitter location system
US5959479A (en) * 1997-09-11 1999-09-28 Hewlett-Packard Company Sampling timebase system
WO2004091105A2 (en) * 2003-03-31 2004-10-21 University Of Utah Research Foundation Apparatus and method for testing a signal path from an injection point
US7215126B2 (en) * 2002-11-19 2007-05-08 University Of Utah Research Foundation Apparatus and method for testing a signal path from an injection point
US7075309B2 (en) * 2004-03-08 2006-07-11 Livewire Test Labs, Inc. System and method to locate an anomaly of a conductor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1081983A (fr) * 1953-05-18 1954-12-24 Comp Generale Electricite Perfectionnement aux dispositifs de recherche des défauts des câbles électriques de grande longueur
DE1219585B (de) * 1961-12-20 1966-06-23 Siemens Ag Anordnung zum Ermitteln von Fehler- oder Inhomogenitaetsstellen elektrischer Leitungen
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
US3492464A (en) * 1965-07-15 1970-01-27 Ibm Record medium reading apparatus
US3911358A (en) * 1969-05-21 1975-10-07 German Mikhailovich Shalyt Method of and device for determining the distance to a fault in a wire or cable line
US3753086A (en) * 1970-12-09 1973-08-14 W Shoemaker Method and apparatus for locating and measuring wave guide discontinuities
DE2404223C3 (de) * 1974-01-30 1979-03-22 Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover Verfahren zur Messung der elektrischen Ladung von Teilentladungen und zur Ortung von Fehlerstellen in der Isolierung von isolierten Leitern
CA1044760A (en) * 1974-10-09 1978-12-19 Lim C. Hwa Methods and equipment for testing reflection points of transmission lines

Also Published As

Publication number Publication date
SE416098B (sv) 1980-11-24
GB1580435A (en) 1980-12-03
DE2725061A1 (de) 1977-12-22
JPS5316514A (en) 1978-02-15
CA1061409A (en) 1979-08-28
FR2393317B1 (sv) 1982-01-29
JPS5753547B2 (sv) 1982-11-13
US4110572A (en) 1978-08-29
NL7706267A (nl) 1977-12-12
FR2393317A1 (fr) 1978-12-29

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