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BR8601911A - Processo e disposicao de circuito para a determinacao de valores de tensoes analogicas que se estabelecem em linhas de assinantes de um sistema de comutacao telefonica de preferencia digital - Google Patents

Processo e disposicao de circuito para a determinacao de valores de tensoes analogicas que se estabelecem em linhas de assinantes de um sistema de comutacao telefonica de preferencia digital

Info

Publication number
BR8601911A
BR8601911A BR8601911A BR8601911A BR8601911A BR 8601911 A BR8601911 A BR 8601911A BR 8601911 A BR8601911 A BR 8601911A BR 8601911 A BR8601911 A BR 8601911A BR 8601911 A BR8601911 A BR 8601911A
Authority
BR
Brazil
Prior art keywords
subscribers
established
lines
values
determining
Prior art date
Application number
BR8601911A
Other languages
English (en)
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 BR8601911A publication Critical patent/BR8601911A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic 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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
BR8601911A 1985-04-30 1986-04-29 Processo e disposicao de circuito para a determinacao de valores de tensoes analogicas que se estabelecem em linhas de assinantes de um sistema de comutacao telefonica de preferencia digital BR8601911A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8601911A true BR8601911A (pt) 1986-12-30

Family

ID=6269518

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8601911A BR8601911A (pt) 1985-04-30 1986-04-29 Processo e disposicao de circuito para a determinacao de valores de tensoes analogicas que se estabelecem em linhas de assinantes de um sistema de comutacao telefonica de preferencia digital

Country Status (9)

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

Families Citing this family (8)

* 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
DE19639885C1 (de) * 1996-09-27 1998-03-26 Siemens Ag Teilnehmeranschlußschaltung für den Anschluß einer analogen Teilnehmerleitung an eine digitale Zeitmultiplex-Fernsprechvermittlungsstelle
EP0961467A1 (en) * 1998-05-27 1999-12-01 Porta Systems Corporation Apparatus and method for testing a telecommunications system

Family Cites Families (5)

* 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
USRE30692E (en) 1980-03-24 1981-07-28 Northern Telecom Limited Method and apparatus for measuring telephone line characteristics
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
EP0200038A3 (en) 1989-03-29
FI861409L (fi) 1986-10-31
DK195386D0 (da) 1986-04-29
FI82581C (fi) 1991-03-11
FI861409A0 (fi) 1986-04-01
DK166750B1 (da) 1993-07-05
EP0200038A2 (de) 1986-11-05
DE3686084D1 (de) 1992-08-27
PT82466A (de) 1986-05-01
DK195386A (da) 1986-10-31
EP0200038B1 (de) 1992-07-22
ATE78649T1 (de) 1992-08-15
PT82466B (pt) 1992-07-31
US4691337A (en) 1987-09-01
FI82581B (fi) 1990-11-30
AR240603A1 (es) 1990-05-31

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 29/04/2001