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ES8607659A1 - Perfeccionamientos en los circuitos telefonicos - Google Patents

Perfeccionamientos en los circuitos telefonicos

Info

Publication number
ES8607659A1
ES8607659A1 ES543466A ES543466A ES8607659A1 ES 8607659 A1 ES8607659 A1 ES 8607659A1 ES 543466 A ES543466 A ES 543466A ES 543466 A ES543466 A ES 543466A ES 8607659 A1 ES8607659 A1 ES 8607659A1
Authority
ES
Spain
Prior art keywords
voltage
signals
subscriber
telephone
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
Application number
ES543466A
Other languages
English (en)
Other versions
ES543466A0 (es
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.)
STMicroelectronics SRL
Original Assignee
ATES Componenti Elettronici SpA
SGS ATES Componenti Elettronici SpA
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 ATES Componenti Elettronici SpA, SGS ATES Componenti Elettronici SpA filed Critical ATES Componenti Elettronici SpA
Publication of ES8607659A1 publication Critical patent/ES8607659A1/es
Publication of ES543466A0 publication Critical patent/ES543466A0/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

CIRCUITOS TELEFONICOS, INTEGRABLES MONOLITICAMENTE, GENERADORES DE SEÑALES DE MANDO PARA LOS INDICADORES DE IMPORTE DE USUARIO. CONSTAN DE UN GENERADOR DE SEÑALES DE CONVERSACION (VF), ACOPLADO A UN PRIMER GENERADOR DE SEÑALES DE TENSION (TTX), EL CUAL PROPORCIONA UNA SEÑAL ALTERNA QUE TIENE AMPLITUD Y FRECUENCIA PREFIJADAS Y CONSTANTES EN EL TIEMPO; DE UN SEGUNDO GENERADOR DE SEÑALES DE TENSION (IG) QUE PROPORCIONA SEÑALES REGULARMENTE INTERCALADAS EN EL TIEMPO, QUE TIENEN FORMA DE ONDA IMPULSORA DE TIPO TRAPEZOIDAL; Y DE UN CIRCUITO MULTIPLICADOR (X), CON GANANCIA VARIABLE LINEAL CON EL NIVEL DE LAS SEÑALES GENERADAS POR EL SEGUNDO GENERADOR (IG), EL CUAL EFECTUA EL PRODUCTO EN EL TIEMPO DE LAS SEÑALES DE TENSION PROPORCIONADAS POR EL PRIMER GENERADOR DE SEÑALES.
ES543466A 1984-06-22 1985-05-24 Perfeccionamientos en los circuitos telefonicos Expired ES8607659A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8421550A IT1213181B (it) 1984-06-22 1984-06-22 Circuito telefonico, integrabile monoliticamente, generatore disegnali di comando per gli indicatori di tassazione d'utente.

Publications (2)

Publication Number Publication Date
ES8607659A1 true ES8607659A1 (es) 1986-06-01
ES543466A0 ES543466A0 (es) 1986-06-01

Family

ID=11183464

Family Applications (1)

Application Number Title Priority Date Filing Date
ES543466A Expired ES8607659A1 (es) 1984-06-22 1985-05-24 Perfeccionamientos en los circuitos telefonicos

Country Status (9)

Country Link
US (1) US4720852A (es)
JP (1) JPS6113857A (es)
BR (1) BR8502460A (es)
DE (1) DE3522077A1 (es)
ES (1) ES8607659A1 (es)
FR (1) FR2566605A1 (es)
GB (1) GB2163623B (es)
IT (1) IT1213181B (es)
SE (1) SE460244B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467333B (sv) * 1990-10-24 1992-06-29 Ericsson Telefon Ab L M Krets foer att alstra debiteringspulser avsedda foer presentation hos en teleabonnent
DE4410058C1 (de) * 1994-03-23 1995-03-30 Siemens Ag Schaltungsanordnung zur Gebührenimpulsfilterung
DE19603530C1 (de) * 1996-02-01 1997-05-15 Kommunikations Elektronik Schaltungsanordnung zur Erzeugung von Gebührenimpulsen
EP0829997B1 (en) 1996-08-30 2003-06-25 STMicroelectronics S.r.l. Circuit for generating a metering signal in a communication system
US5838788A (en) * 1996-10-17 1998-11-17 Northern Telecom Limited Telephone ringing signal generator
JP5222457B2 (ja) * 2005-09-26 2013-06-26 株式会社日立製作所 センサおよびセンサモジュール

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4422897Y1 (es) * 1969-01-07 1969-09-27
US4122308A (en) * 1977-06-03 1978-10-24 Utility Verification Corp. Telephone call metering device
US4264956A (en) * 1978-06-26 1981-04-28 Delaney John M Call cost monitor
US4410765A (en) * 1981-06-04 1983-10-18 United Networks, Inc. Telephone call routing and charging system
GB2103041B (en) * 1981-07-24 1984-10-24 Int Standard Electric Corp Waveform generator
ES8700528A1 (es) * 1984-05-04 1986-10-01 Ates Componenti Elettron Perfeccionamientos en los circuitos telefonicos integrables monoliticamente.

Also Published As

Publication number Publication date
DE3522077A1 (de) 1986-01-02
JPS6113857A (ja) 1986-01-22
BR8502460A (pt) 1986-01-28
IT1213181B (it) 1989-12-14
ES543466A0 (es) 1986-06-01
IT8421550A0 (it) 1984-06-22
US4720852A (en) 1988-01-19
FR2566605B1 (es) 1994-04-22
SE8503063L (sv) 1985-12-23
GB8514796D0 (en) 1985-07-10
GB2163623A (en) 1986-02-26
SE8503063D0 (sv) 1985-06-19
GB2163623B (en) 1987-12-16
FR2566605A1 (fr) 1985-12-27
DE3522077C2 (es) 1992-12-03
SE460244B (sv) 1989-09-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20041102