SE8207303L - Forfarande for detektering av farliga linjespenningar over en tvatradig linje - Google Patents

Forfarande for detektering av farliga linjespenningar over en tvatradig linje

Info

Publication number
SE8207303L
SE8207303L SE8207303A SE8207303A SE8207303L SE 8207303 L SE8207303 L SE 8207303L SE 8207303 A SE8207303 A SE 8207303A SE 8207303 A SE8207303 A SE 8207303A SE 8207303 L SE8207303 L SE 8207303L
Authority
SE
Sweden
Prior art keywords
line
pct
sec
detecting dangerous
date
Prior art date
Application number
SE8207303A
Other languages
Unknown language ( )
English (en)
Other versions
SE8207303D0 (sv
SE434789B (sv
Inventor
L E Hammarberg
Original Assignee
Ellemtel Utvecklings Ab
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 Ellemtel Utvecklings Ab filed Critical Ellemtel Utvecklings Ab
Priority to SE8207303A priority Critical patent/SE434789B/sv
Publication of SE8207303D0 publication Critical patent/SE8207303D0/sv
Priority to CA000443307A priority patent/CA1236882A/en
Priority to PCT/SE1983/000464 priority patent/WO1984002625A1/en
Priority to DE8484900321T priority patent/DE3366649D1/de
Priority to BR8307722A priority patent/BR8307722A/pt
Priority to AU24118/84A priority patent/AU560096B2/en
Priority to US06/626,865 priority patent/US4631475A/en
Priority to JP59500362A priority patent/JPS60500196A/ja
Priority to EP84900321A priority patent/EP0128942B1/en
Priority to IT24304/83A priority patent/IT1170035B/it
Publication of SE8207303L publication Critical patent/SE8207303L/sv
Publication of SE434789B publication Critical patent/SE434789B/sv
Priority to DK398184A priority patent/DK154385C/da
Priority to NO843320A priority patent/NO164067C/no
Priority to FI844953A priority patent/FI75456C/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Interface Circuits In Exchanges (AREA)
SE8207303A 1982-12-21 1982-12-21 Forfarande for detektering av farliga linjespenningar over en tvatradig linje SE434789B (sv)

Priority Applications (13)

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
CA000443307A CA1236882A (en) 1982-12-21 1983-12-14 Method of detecting hazardous line voltages over a two-wire line
EP84900321A EP0128942B1 (en) 1982-12-21 1983-12-20 Method of detecting hazardous line voltages over a two-wire line
US06/626,865 US4631475A (en) 1982-12-21 1983-12-20 Method of detecting hazardous line voltages over a two-wire line
DE8484900321T DE3366649D1 (en) 1982-12-21 1983-12-20 Method of detecting hazardous line voltages over a two-wire line
BR8307722A BR8307722A (pt) 1982-12-21 1983-12-20 Processo para detectar tensoes de linha perigosas em uma linha de dois fios
AU24118/84A AU560096B2 (en) 1982-12-21 1983-12-20 Method of detecting hazardous line voltages over a two-wire line
PCT/SE1983/000464 WO1984002625A1 (en) 1982-12-21 1983-12-20 Method of detecting hazardous line voltages over a two-wire line
JP59500362A JPS60500196A (ja) 1982-12-21 1983-12-20 二線式線路上の危険線路電圧検出方法
IT24304/83A IT1170035B (it) 1982-12-21 1983-12-21 Metodo per rilevare tensioni di linea pericolose in una linea a due fili
DK398184A DK154385C (da) 1982-12-21 1984-08-20 Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie
NO843320A NO164067C (no) 1982-12-21 1984-08-20 Fremgangsmaate for detektering av farlige linjespenninger over en totraadslinje.
FI844953A FI75456C (sv) 1982-12-21 1984-12-14 Förfarande för detektering av farliga linjespänningar över en tvåtrådi g linje.

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8207303D0 SE8207303D0 (sv) 1982-12-21
SE8207303L true SE8207303L (sv) 1984-06-22
SE434789B SE434789B (sv) 1984-08-13

Family

ID=20349088

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8207303A SE434789B (sv) 1982-12-21 1982-12-21 Forfarande for detektering av farliga linjespenningar over en tvatradig linje

Country Status (11)

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

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
DE3366649D1 (en) 1986-11-06
AU560096B2 (en) 1987-03-26
SE8207303D0 (sv) 1982-12-21
DK154385B (da) 1988-11-07
FI75456C (sv) 1988-06-09
WO1984002625A1 (en) 1984-07-05
DK398184A (da) 1984-08-20
FI844953A0 (fi) 1984-12-14
FI844953L (fi) 1984-12-14
JPS60500196A (ja) 1985-02-07
IT8324304A0 (it) 1983-12-21
JPH056809B2 (sv) 1993-01-27
SE434789B (sv) 1984-08-13
DK398184D0 (da) 1984-08-20
AU2411884A (en) 1984-07-17
CA1236882A (en) 1988-05-17
US4631475A (en) 1986-12-23
IT1170035B (it) 1987-06-03
EP0128942A1 (en) 1984-12-27
DK154385C (da) 1989-04-24
EP0128942B1 (en) 1986-10-01
FI75456B (fi) 1988-02-29

Similar Documents

Publication Publication Date Title
DE59400945D1 (de) Vorrichtung und Verfahren zur seriellen Datenübertragung zwischen einer Positionsmesseinrichtung und einer Verarbeitungseinheit
DE68924261T2 (de) Echokompensationseinrichtung mit Anpassung der Echokompensationskoeffizienten während der Vollduplexübertragung.
AU514780B2 (en) Ultrasonic pipe inspection apparatus
KR850700294A (ko) 적응 에코우 소거기의 기능시험방법
SE8502704L (sv) Dialogforfarande samt anordning for att genomfora forfarandet
SE8206506D0 (sv) Sett och anordning for signaloverforing
PH20535A (en) Input signal testing device for electronic copier
DE3772404D1 (de) Schaltungsanordnung zur seriellen datenuebertragung zwischen mehreren teilnehmerstellen.
DE59009186D1 (de) Anschlusseinrichtung für Datenübertragungsleitungen, insbesondere für ein Datennetz.
DK0393570T3 (da) Videotekstterminal med svarer
SE8207303L (sv) Forfarande for detektering av farliga linjespenningar over en tvatradig linje
NO832420L (no) Fremgangsmaate for aa tilveiebringe adaptiv ekkoeliminasjon ved transmisjon av digital informasjon i dupleks, samt apparat for gjennomfoering av fremgangsmaaten
GB2036985B (en) Method and apparatus for determining the transmission properties of a signal path
ES2080668A2 (es) Un dispositivo de medicion y un metodo para transmitir datos de medicion a un procesador de señales.
FR2521254B1 (fr) Dispositif d'accouplement pour le raccordement d'extremites de tuyaux souples ou de tubes
DE2962728D1 (en) Device for measuring the quality of a digital connection and transmission equipments including such a device
JPS5744867A (en) Measuring device for charge coupled element
DE3369001D1 (en) Process and device for determining the distortion of the attenuation and of the group transit time of a measuring object, especially of a data transmission route
IT1163534B (it) Procedimento e dispositivo per la localizzazione di guasti, senza indirizzo, su tratte di trasmissione per segnali digitali
FR2576109B3 (fr) Dispositif de mesure et de transmission de la valeur d'une impedance
AU584020B2 (en) A test device for digital echo compensators
FI812501L (fi) Foerfarande foer framstaellning av foerbindelser fraon till en datafoermedlingsanlaeggning anslutna abonnentstaellen eller resp fraon oeverfoeringsledningar till signalomvandlare
JPS5222836A (en) Abnormality detecting and disposing system for communication system
JPS57185763A (en) Facsimile device
JPS5337473A (en) Measuring method of transmission path attenuation amount

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8207303-2

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8207303-2

Format of ref document f/p: F