SE470439B - Metod att bestämma den fysikaliska längden hos en telefonlinje - Google Patents

Metod att bestämma den fysikaliska längden hos en telefonlinje

Info

Publication number
SE470439B
SE470439B SE9202311A SE9202311A SE470439B SE 470439 B SE470439 B SE 470439B SE 9202311 A SE9202311 A SE 9202311A SE 9202311 A SE9202311 A SE 9202311A SE 470439 B SE470439 B SE 470439B
Authority
SE
Sweden
Prior art keywords
line
length
node
certain
line circuit
Prior art date
Application number
SE9202311A
Other languages
English (en)
Swedish (sv)
Other versions
SE9202311D0 (sv
SE9202311L (sv
Inventor
Anders Olof Lindstroem
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9202311A priority Critical patent/SE470439B/sv
Publication of SE9202311D0 publication Critical patent/SE9202311D0/xx
Priority to DK93850127.7T priority patent/DK0583230T3/da
Priority to ES93850127T priority patent/ES2102634T3/es
Priority to DE69310833T priority patent/DE69310833T2/de
Priority to AT93850127T priority patent/ATE153441T1/de
Priority to EP93850127A priority patent/EP0583230B1/en
Priority to US08/099,665 priority patent/US5440611A/en
Priority to AU44461/93A priority patent/AU666030B2/en
Publication of SE9202311L publication Critical patent/SE9202311L/xx
Publication of SE470439B publication Critical patent/SE470439B/sv
Priority to GR970401206T priority patent/GR3023555T3/el

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Communication Control (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
SE9202311A 1992-08-07 1992-08-07 Metod att bestämma den fysikaliska längden hos en telefonlinje SE470439B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE9202311A SE470439B (sv) 1992-08-07 1992-08-07 Metod att bestämma den fysikaliska längden hos en telefonlinje
EP93850127A EP0583230B1 (en) 1992-08-07 1993-06-11 Method for determining the physical length of a telephone line
AT93850127T ATE153441T1 (de) 1992-08-07 1993-06-11 Verfahren zur bestimmung der physikalischen länge von einer telefonlinie
ES93850127T ES2102634T3 (es) 1992-08-07 1993-06-11 Metodo para determinar la longitud fisica de una linea telefonica.
DE69310833T DE69310833T2 (de) 1992-08-07 1993-06-11 Verfahren zur Bestimmung der physikalischen Länge von einer Telefonlinie
DK93850127.7T DK0583230T3 (da) 1992-08-07 1993-06-11 Fremgangsmåde til bestemmelse af den fysiske længde af en telefonlinie
US08/099,665 US5440611A (en) 1992-08-07 1993-07-30 Method of determining the physical length of a telephone line
AU44461/93A AU666030B2 (en) 1992-08-07 1993-08-06 A method of determining the physical length of a telephone line
GR970401206T GR3023555T3 (en) 1992-08-07 1997-05-26 Method for determining the physical length of a telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9202311A SE470439B (sv) 1992-08-07 1992-08-07 Metod att bestämma den fysikaliska längden hos en telefonlinje

Publications (3)

Publication Number Publication Date
SE9202311D0 SE9202311D0 (sv) 1992-08-07
SE9202311L SE9202311L (sv) 1994-02-08
SE470439B true SE470439B (sv) 1994-03-07

Family

ID=20386899

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9202311A SE470439B (sv) 1992-08-07 1992-08-07 Metod att bestämma den fysikaliska längden hos en telefonlinje

Country Status (9)

Country Link
US (1) US5440611A (el)
EP (1) EP0583230B1 (el)
AT (1) ATE153441T1 (el)
AU (1) AU666030B2 (el)
DE (1) DE69310833T2 (el)
DK (1) DK0583230T3 (el)
ES (1) ES2102634T3 (el)
GR (1) GR3023555T3 (el)
SE (1) SE470439B (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2183052C1 (ru) * 2000-11-10 2002-05-27 Степанов Владислав Андреевич Устройство для измерения длины линии передачи данных
RU2187784C1 (ru) * 2000-11-20 2002-08-20 Степанов Владислав Андреевич Устройство для измерения длины линии передачи данных
RU2233554C1 (ru) * 2002-12-24 2004-07-27 Степанов Владислав Андреевич Устройство для измерения длины двухпроводной линии передачи данных
DE602004011333T2 (de) 2003-05-12 2009-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Verfahren und anordnung für signalschleifentests

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE348560B (el) * 1971-10-13 1972-09-04 A Mogensen
US4083039A (en) * 1975-10-23 1978-04-04 Theodore Simon Voltage enhancement circuit for central station monitored alarm systems
JPS60138401A (ja) * 1983-12-27 1985-07-23 Kokusai Denshin Denwa Co Ltd <Kdd> 伝送路の絶対長測定方式および装置
GB2154742B (en) * 1984-02-21 1987-12-02 Edeco Petroleum Services Measuring length of electrical conductor
IT1192090B (it) * 1985-06-20 1988-03-31 Flitel Spa Localizzatore automatico di guasti su linee telefoniche
US4734637A (en) * 1986-04-16 1988-03-29 Teradyne, Inc. Apparatus for measuring the length of an electrical line

Also Published As

Publication number Publication date
ES2102634T3 (es) 1997-08-01
AU666030B2 (en) 1996-01-25
EP0583230B1 (en) 1997-05-21
DE69310833D1 (de) 1997-06-26
SE9202311D0 (sv) 1992-08-07
US5440611A (en) 1995-08-08
SE9202311L (sv) 1994-02-08
DK0583230T3 (da) 1997-12-01
ATE153441T1 (de) 1997-06-15
GR3023555T3 (en) 1997-08-29
EP0583230A1 (en) 1994-02-16
AU4446193A (en) 1994-02-10
DE69310833T2 (de) 1997-09-11

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