DK166750B1 - Fremgangsmaade til bestemmelse af vaerdier af analoge spaendinger, som optraeder paa abonnenttilslutningsledninger i et fortrinsvis digitalt telefonformidlingssystem, og en kobling til udoevelse af fremgangsmaaden - Google Patents

Fremgangsmaade til bestemmelse af vaerdier af analoge spaendinger, som optraeder paa abonnenttilslutningsledninger i et fortrinsvis digitalt telefonformidlingssystem, og en kobling til udoevelse af fremgangsmaaden Download PDF

Info

Publication number
DK166750B1
DK166750B1 DK195386A DK195386A DK166750B1 DK 166750 B1 DK166750 B1 DK 166750B1 DK 195386 A DK195386 A DK 195386A DK 195386 A DK195386 A DK 195386A DK 166750 B1 DK166750 B1 DK 166750B1
Authority
DK
Denmark
Prior art keywords
values
voltage
value
digital
analog
Prior art date
Application number
DK195386A
Other languages
Danish (da)
English (en)
Other versions
DK195386A (da
DK195386D0 (da
Inventor
Gabriele Held-Elbert
Wolfgang Kaiser
Werner Schmutzler
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK195386D0 publication Critical patent/DK195386D0/da
Publication of DK195386A publication Critical patent/DK195386A/da
Application granted granted Critical
Publication of DK166750B1 publication Critical patent/DK166750B1/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
DK195386A 1985-04-30 1986-04-29 Fremgangsmaade til bestemmelse af vaerdier af analoge spaendinger, som optraeder paa abonnenttilslutningsledninger i et fortrinsvis digitalt telefonformidlingssystem, og en kobling til udoevelse af fremgangsmaaden DK166750B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3515613 1985-04-30
DE3515613 1985-04-30

Publications (3)

Publication Number Publication Date
DK195386D0 DK195386D0 (da) 1986-04-29
DK195386A DK195386A (da) 1986-10-31
DK166750B1 true DK166750B1 (da) 1993-07-05

Family

ID=6269518

Family Applications (1)

Application Number Title Priority Date Filing Date
DK195386A DK166750B1 (da) 1985-04-30 1986-04-29 Fremgangsmaade til bestemmelse af vaerdier af analoge spaendinger, som optraeder paa abonnenttilslutningsledninger i et fortrinsvis digitalt telefonformidlingssystem, og en kobling til udoevelse af fremgangsmaaden

Country Status (9)

Country Link
US (1) US4691337A (fr)
EP (1) EP0200038B1 (fr)
AR (1) AR240603A1 (fr)
AT (1) ATE78649T1 (fr)
BR (1) BR8601911A (fr)
DE (1) DE3686084D1 (fr)
DK (1) DK166750B1 (fr)
FI (1) FI82581C (fr)
PT (1) PT82466B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62216511A (ja) * 1986-03-18 1987-09-24 Nec Corp 自動利得制御装置
ATE98779T1 (de) * 1987-08-12 1994-01-15 Siemens Ag Verfahren zur messung von widerstaenden, insbesondere der widerstaende von teilnehmeranschlussleitungen eines digitalen zeitmultiplex-fernmeldenetzes.
CH684853A5 (de) * 1993-02-04 1995-01-13 Alcatel Str Ag Verfahren zur Extraktion von Daten auf einer Zweidraht-Telephonleitung mit digitalem Datenverkehr.
NL9301094A (nl) * 1993-06-23 1995-01-16 Nederland Ptt Inrichting voor het meten van analoge telefoniesignalen.
ES2096514B1 (es) * 1993-12-31 1998-02-16 Telefonica Nacional Espana Co Circuito de exploracion de puntos.
GB9613287D0 (en) * 1996-06-25 1996-08-28 Raychem Ltd Ground testing
EP0961467A1 (fr) * 1998-05-27 1999-12-01 Porta Systems Corporation Appareil et méthode pour tester un système de télécommunication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30692A (en) * 1860-11-20 Hatchet
US4057754A (en) * 1976-05-06 1977-11-08 Westinghouse Electric Corporation Apparatus to measure the eccentricity of a shaft
GB2056093B (en) * 1979-08-07 1983-04-27 Standard Telephones Cables Ltd Monitoring a number of voltage conditions
DE3235282A1 (de) * 1982-09-23 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines kapazitaetsmessgeraetes und entsprechendes kapazitaetsmessgeraet

Also Published As

Publication number Publication date
AR240603A1 (es) 1990-05-31
PT82466A (de) 1986-05-01
ATE78649T1 (de) 1992-08-15
FI82581C (fi) 1991-03-11
FI82581B (fi) 1990-11-30
DK195386A (da) 1986-10-31
FI861409A (fi) 1986-10-31
EP0200038B1 (fr) 1992-07-22
DK195386D0 (da) 1986-04-29
EP0200038A3 (en) 1989-03-29
US4691337A (en) 1987-09-01
FI861409A0 (fi) 1986-04-01
EP0200038A2 (fr) 1986-11-05
BR8601911A (pt) 1986-12-30
DE3686084D1 (de) 1992-08-27
PT82466B (pt) 1992-07-31

Similar Documents

Publication Publication Date Title
US4276605A (en) Method and apparatus for supervising a digital protective relaying system
US9030346B2 (en) Method and apparatus for self-test of successive approximation register (SAR) A/D converter
US4625283A (en) Method and apparatus for digitally measuring alternating current
US20060202674A1 (en) Method for detecting and correcting wiring errors in power monitoring applications
DK166750B1 (da) Fremgangsmaade til bestemmelse af vaerdier af analoge spaendinger, som optraeder paa abonnenttilslutningsledninger i et fortrinsvis digitalt telefonformidlingssystem, og en kobling til udoevelse af fremgangsmaaden
CN110780110B (zh) 一种基波电压过零点自动检测方法、系统及采样装置
EP3304115A1 (fr) Procédé et appareil pour mettre en service des capteurs de tension et des capteurs de courant de circuit de dérivation pour systèmes de surveillance de circuits de dérivation
WO2022014757A1 (fr) Dispositif de détection de courant de fuite résistif de parafoudre et procédé de réduction de quantité de calcul
US7742884B2 (en) Sampling frequency control method and protective relay
GB2034547A (en) Monitor system
JPS61292067A (ja) 電力量測定方法
EP1545009A2 (fr) Convertisseur analogique-numérique à plusieurs canaux, procédé et dispositif de mesure utilisant un canal d'entrée pourvu d'une tension de polarisation prédéterminée
KR100363127B1 (ko) 계측장치
KR20010039198A (ko) 영상전류 위상비교방식을 이용한 배전계통 고장구간 판단장치 및 방법
JP3029390B2 (ja) 波形サンプリング方法とその装置および交流計測方法とその装置
SU964981A1 (ru) Способ аналого-цифрового преобразовани и устройство дл его осуществлени
Schwerndtner Digital measurement system for electricity meters
SU1659880A1 (ru) Способ определени электрического иммитанса
SU962985A1 (ru) Устройство дл съема информации с сеточной электромодели
JP2668133B2 (ja) 零相電流検出装置
JPH1169600A (ja) ディジタル型保護継電装置
JP3617189B2 (ja) ディジタル保護継電器の入力回路点検方法
JPS5836569B2 (ja) デジタル保護装置の点検方法
JPH09117052A (ja) コンデンサ調相設備用保護リレー
JP2006105704A (ja) 事故点測定装置

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed