ES2127260T3 - Circuito de llamada, principalmente para aparatos telefonicos. - Google Patents

Circuito de llamada, principalmente para aparatos telefonicos.

Info

Publication number
ES2127260T3
ES2127260T3 ES93401623T ES93401623T ES2127260T3 ES 2127260 T3 ES2127260 T3 ES 2127260T3 ES 93401623 T ES93401623 T ES 93401623T ES 93401623 T ES93401623 T ES 93401623T ES 2127260 T3 ES2127260 T3 ES 2127260T3
Authority
ES
Spain
Prior art keywords
mainly
signal
ring
telephone devices
call circuit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES93401623T
Other languages
English (en)
Inventor
Corre Jean-Luc Le
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks France SAS
Original Assignee
Matra Nortel Communications SAS
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 Matra Nortel Communications SAS filed Critical Matra Nortel Communications SAS
Application granted granted Critical
Publication of ES2127260T3 publication Critical patent/ES2127260T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

COMPORTA UN ALTAVOZ (18) QUE RECIBE LAS SEÑALES DE UN AMPLIFICADOR (17), EL AMPLIFICADOR TIENE UNA ENTRADA DE ALIMENTACION UNIDA A UNA LINEA DE TIMBRE (1) QUE SUMINISTRA UNA SEÑAL DE TIMBRE POR INTERMEDIO DE UN ORGANO DE ALIMENTACION DE CORTE (5), Y UNA ENTRADA DE CADENCIAMIENTO (16) IGUALMENTE UNIDA A LA LINEA DE TIMBRE (1) POR INTERMEDIO DE UN ORGANO DE REGULACION (9, 2, 4, 6) QUE DA UNA SEÑAL IMAGEN DE UNA POTENCIA DE LA SEÑAL DE TIMBRE, Y UN ORGANO DE TRANSFORMACION (8) QUE ASEGURA UN TRANSFORMADO DE LA SEÑAL IMAGEN POR UNA SEÑAL DE CADENCIAMIENTO APLICADA A UN BORNE (15).
ES93401623T 1992-07-02 1993-06-24 Circuito de llamada, principalmente para aparatos telefonicos. Expired - Lifetime ES2127260T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR929208152A FR2693335B1 (fr) 1992-07-02 1992-07-02 Circuit de sonnerie notamment pour poste telephonique.

Publications (1)

Publication Number Publication Date
ES2127260T3 true ES2127260T3 (es) 1999-04-16

Family

ID=9431448

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93401623T Expired - Lifetime ES2127260T3 (es) 1992-07-02 1993-06-24 Circuito de llamada, principalmente para aparatos telefonicos.

Country Status (6)

Country Link
US (1) US5323455A (es)
EP (1) EP0577474B1 (es)
JP (1) JPH0831897B2 (es)
DE (1) DE69322699T2 (es)
ES (1) ES2127260T3 (es)
FR (1) FR2693335B1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453780A (en) * 1994-04-28 1995-09-26 Bell Communications Research, Inc. Continous presence video signal combiner
US5699420A (en) * 1994-12-23 1997-12-16 Lucent Technologies Inc. Bell sound synthesizer
US6167135A (en) * 1995-12-01 2000-12-26 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a ringing signal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233474A (en) * 1978-01-10 1980-11-11 Nippon Electric Co., Ltd. Telephone transmitter amplifier
DE2840250C2 (de) * 1978-09-15 1983-01-20 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine leitungsgespeiste Lautfernsprechstation
US4251689A (en) * 1979-07-09 1981-02-17 Canadian Patents & Dev. Ltd. Loudspeaker telephone apparatus
WO1981000657A1 (en) * 1979-08-20 1981-03-05 Western Electric Co Electronic tone ringer
US4309574A (en) * 1980-04-15 1982-01-05 Gte Automatic Electric Labs Inc. Electronic tone ringer
DE3370427D1 (en) * 1983-08-18 1987-04-23 Itt Telephone ringing circuit realisable as an integrated circuit
FR2575625B1 (fr) * 1984-12-27 1987-01-30 Thomson Csf Poste telephonique d'abonne a haut-parleur d'ecoute amplifiee avec reduction de gain en cas d'alimentation insuffisante
CA1272318A (en) * 1986-10-20 1990-07-31 Kenji Takato Integrated ringing circuit and a ring trip circuit for the same
KR920001410B1 (ko) * 1989-04-26 1992-02-13 삼성전자 주식회사 멜로디 톤 링회로

Also Published As

Publication number Publication date
EP0577474B1 (fr) 1998-12-23
DE69322699T2 (de) 1999-06-10
EP0577474A1 (fr) 1994-01-05
JPH0690274A (ja) 1994-03-29
FR2693335B1 (fr) 1994-08-05
DE69322699D1 (de) 1999-02-04
FR2693335A1 (fr) 1994-01-07
US5323455A (en) 1994-06-21
JPH0831897B2 (ja) 1996-03-27

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