BR9704897A - Circuito de ligação de assinantes para a ligação de uma linha de assinante análoga a uma central de comutação telefônica multiplex programada digital - Google Patents

Circuito de ligação de assinantes para a ligação de uma linha de assinante análoga a uma central de comutação telefônica multiplex programada digital

Info

Publication number
BR9704897A
BR9704897A BR9704897A BR9704897A BR9704897A BR 9704897 A BR9704897 A BR 9704897A BR 9704897 A BR9704897 A BR 9704897A BR 9704897 A BR9704897 A BR 9704897A BR 9704897 A BR9704897 A BR 9704897A
Authority
BR
Brazil
Prior art keywords
subscriber
connection circuit
telephone exchange
analogous
multiplex telephone
Prior art date
Application number
BR9704897A
Other languages
English (en)
Inventor
Paul Kunisch
Roland Krimmer
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 BR9704897A publication Critical patent/BR9704897A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13003—Constructional details of switching devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1309—Apparatus individually associated with a subscriber line, line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1316—Service observation, testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
BR9704897A 1996-09-27 1997-09-26 Circuito de ligação de assinantes para a ligação de uma linha de assinante análoga a uma central de comutação telefônica multiplex programada digital BR9704897A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19639885A DE19639885C1 (de) 1996-09-27 1996-09-27 Teilnehmeranschlußschaltung für den Anschluß einer analogen Teilnehmerleitung an eine digitale Zeitmultiplex-Fernsprechvermittlungsstelle

Publications (1)

Publication Number Publication Date
BR9704897A true BR9704897A (pt) 1998-11-24

Family

ID=7807162

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9704897A BR9704897A (pt) 1996-09-27 1997-09-26 Circuito de ligação de assinantes para a ligação de uma linha de assinante análoga a uma central de comutação telefônica multiplex programada digital

Country Status (8)

Country Link
US (1) US6052437A (pt)
EP (1) EP0835014A3 (pt)
CN (1) CN1150743C (pt)
AR (1) AR008488A1 (pt)
BR (1) BR9704897A (pt)
DE (1) DE19639885C1 (pt)
RU (1) RU2162278C2 (pt)
TW (1) TW357535B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907925C2 (de) * 1999-02-24 2000-12-28 Siemens Ag Teilnehmeranschlußschaltung für den Anschluß einer analogen Teilnehmerleitung mit integrierten Mitteln zur Durchführung von Prüffunktionen
US20020106091A1 (en) 2001-02-02 2002-08-08 Furst Claus Erdmann Microphone unit with internal A/D converter
IL144158A (en) * 2001-07-05 2011-06-30 Mosaid Technologies Inc Socket for connecting an analog telephone to a digital communications network that carries digital voice signals
DE102005046964A1 (de) * 2005-09-30 2007-04-05 Siemens Ag Verfahren und Anordnung zum Durchführen eines Satztests an einer Teilnehmeranschlussbaugruppe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912882A (en) * 1973-12-07 1975-10-14 Tm Systems Remote loop-back terminating unit for testing telephone
FR2518855A1 (fr) * 1981-12-18 1983-06-24 Trt Telecom Radio Electr Dispositif individuel d'essais de ligne et de joncteur d'abonne integre a un joncteur electronique
DE3534861C2 (de) * 1985-09-30 1994-04-28 Siemens Ag Halbleiterschalter aus zwei mit ihren Source-Drain-Strecken antiseriell geschalteten MOS-Schalttransistoren
US4807277A (en) * 1987-05-15 1989-02-21 Keptel, Inc. Remotely activated switching apparatus
GB2229063B (en) * 1989-03-09 1993-04-07 Plessey Telecomm Telecommunications exchange apparatus
DE59108356D1 (de) * 1990-04-12 1997-01-02 Siemens Ag Verfahren zum Überprüfen von Übertragungseigenschaften einer Teilnehmeranschlussschaltung
JPH05167679A (ja) * 1991-12-17 1993-07-02 Hitachi Ltd 交換システムおよび加入者回路制御装置
US5323460A (en) * 1992-01-07 1994-06-21 Ag Communication Systems Corporation Enhanced subscriber line interface circuit
GB9200332D0 (en) * 1992-01-08 1992-02-26 Plessey Telecomm Termination unit with maintenance facility
US5483573A (en) * 1993-06-30 1996-01-09 Keptel, Inc. Electric circuit connector with auto-termination
DE4402461A1 (de) * 1994-01-28 1995-08-03 Sel Alcatel Ag Schutzschaltung für eine Teilnehmeranschlußschaltung sowie Teilnehmeranschlußschaltung damit
US5677941A (en) * 1995-03-02 1997-10-14 Lucent Technologies Inc. Channel test unit

Also Published As

Publication number Publication date
CN1178423A (zh) 1998-04-08
DE19639885C1 (de) 1998-03-26
EP0835014A2 (de) 1998-04-08
RU2162278C2 (ru) 2001-01-20
EP0835014A3 (de) 2004-01-14
AR008488A1 (es) 2000-01-19
CN1150743C (zh) 2004-05-19
US6052437A (en) 2000-04-18
TW357535B (en) 1999-05-01

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO PARA INT.CL.8 (2008.04): H04M 3/30

Ipc: H04M 3/30 (2008.04)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFERIDO COM BASE NO ART. 8O COMBINADO COM O ARTIGO 13 DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.