DK154385C - Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie - Google Patents

Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie

Info

Publication number
DK154385C
DK154385C DK398184A DK398184A DK154385C DK 154385 C DK154385 C DK 154385C DK 398184 A DK398184 A DK 398184A DK 398184 A DK398184 A DK 398184A DK 154385 C DK154385 C DK 154385C
Authority
DK
Denmark
Prior art keywords
line
tensions
detecting hazardous
detecting
hazardous
Prior art date
Application number
DK398184A
Other languages
Danish (da)
English (en)
Other versions
DK398184D0 (da
DK398184A (da
DK154385B (da
Inventor
Lars Erik Hammarberg
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
Publication of DK398184D0 publication Critical patent/DK398184D0/da
Publication of DK398184A publication Critical patent/DK398184A/da
Publication of DK154385B publication Critical patent/DK154385B/da
Application granted granted Critical
Publication of DK154385C publication Critical patent/DK154385C/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
DK398184A 1982-12-21 1984-08-20 Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie DK154385C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8207303A SE434789B (sv) 1982-12-21 1982-12-21 Forfarande for detektering av farliga linjespenningar over en tvatradig linje
SE8207303 1982-12-21
PCT/SE1983/000464 WO1984002625A1 (en) 1982-12-21 1983-12-20 Method of detecting hazardous line voltages over a two-wire line
SE8300464 1983-12-20

Publications (4)

Publication Number Publication Date
DK398184D0 DK398184D0 (da) 1984-08-20
DK398184A DK398184A (da) 1984-08-20
DK154385B DK154385B (da) 1988-11-07
DK154385C true DK154385C (da) 1989-04-24

Family

ID=20349088

Family Applications (1)

Application Number Title Priority Date Filing Date
DK398184A DK154385C (da) 1982-12-21 1984-08-20 Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie

Country Status (11)

Country Link
US (1) US4631475A (fi)
EP (1) EP0128942B1 (fi)
JP (1) JPS60500196A (fi)
AU (1) AU560096B2 (fi)
CA (1) CA1236882A (fi)
DE (1) DE3366649D1 (fi)
DK (1) DK154385C (fi)
FI (1) FI75456C (fi)
IT (1) IT1170035B (fi)
SE (1) SE434789B (fi)
WO (1) WO1984002625A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060055265A1 (en) * 2004-09-16 2006-03-16 Zalusky James T Printed circuit board motor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203012A (en) * 1977-07-14 1980-05-13 Boxall Frank S Hybrid circuit using current mirror circuits
JPS5836312B2 (ja) * 1978-08-21 1983-08-08 日本電信電話株式会社 通信用平衡ケ−ブル線路の障害位置測定方式
DE2839875C2 (de) * 1978-09-13 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Prüfung einer Nachrichtenstation
FR2448258A1 (fr) * 1979-02-05 1980-08-29 Trt Telecom Radio Electr Systeme de test d'un dispositif muni d'un annuleur d'echo
SE426764B (sv) * 1981-11-02 1983-02-07 Ellemtel Utvecklings Ab Forfarande att astadkomma adaptiv ekoeliminering vid overforing av digital information i duplex jemte anordning for utforande av forfarandet
DE3245588A1 (de) * 1982-12-09 1984-06-14 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und schaltungsanordnung zur fehlerortung bei einem digitalen fernmelde-teilnehmeranschluss

Also Published As

Publication number Publication date
US4631475A (en) 1986-12-23
SE8207303L (sv) 1984-06-22
SE8207303D0 (sv) 1982-12-21
DK398184D0 (da) 1984-08-20
CA1236882A (en) 1988-05-17
FI844953L (fi) 1984-12-14
JPH056809B2 (fi) 1993-01-27
AU2411884A (en) 1984-07-17
DE3366649D1 (en) 1986-11-06
EP0128942B1 (en) 1986-10-01
WO1984002625A1 (en) 1984-07-05
JPS60500196A (ja) 1985-02-07
EP0128942A1 (en) 1984-12-27
IT1170035B (it) 1987-06-03
AU560096B2 (en) 1987-03-26
IT8324304A0 (it) 1983-12-21
DK398184A (da) 1984-08-20
SE434789B (sv) 1984-08-13
FI75456B (fi) 1988-02-29
DK154385B (da) 1988-11-07
FI844953A0 (fi) 1984-12-14
FI75456C (fi) 1988-06-09

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