ES8700528A1 - Perfeccionamientos en los circuitos telefonicos integrables monoliticamente. - Google Patents

Perfeccionamientos en los circuitos telefonicos integrables monoliticamente.

Info

Publication number
ES8700528A1
ES8700528A1 ES542548A ES542548A ES8700528A1 ES 8700528 A1 ES8700528 A1 ES 8700528A1 ES 542548 A ES542548 A ES 542548A ES 542548 A ES542548 A ES 542548A ES 8700528 A1 ES8700528 A1 ES 8700528A1
Authority
ES
Spain
Prior art keywords
signal
circuit
telephone
signals
amplitude
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
ES542548A
Other languages
English (en)
Other versions
ES542548A0 (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
Priority claimed from IT8420783A external-priority patent/IT1213163B/it
Priority claimed from IT8421270A external-priority patent/IT1213174B/it
Application filed by ATES Componenti Elettronici SpA, SGS ATES Componenti Elettronici SpA filed Critical ATES Componenti Elettronici SpA
Publication of ES8700528A1 publication Critical patent/ES8700528A1/es
Publication of ES542548A0 publication Critical patent/ES542548A0/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)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

CIRCUITOS TELEFONICOS GENERADORES DE SEÑALES PARA INDICAR AL USUARIO EL IMPORTE RELATIVO A UNA EVENTUAL CONEXION TELEFONICA. CONSTAN DE UN CIRCUITO FONICO DE LINEA DE USUARIO (VC) QUE COMPRENDE UN GENERADOR DE SEÑALES DE CONVERSACION (VF) Y MEDIOS CIRCUITALES (ZAC) PARA ADAPTAR LAS SEÑALES PROPORCIONALES POR EL GENERADOR DE SEÑALES DE CONVERSACION A LA LINEA TELEFONICA DE USUARIO; DE UN PRIMER GENERADOR DE SEÑALES DE TENSION (TTX) QUE PROPORCIONA UNA SEÑAL ALTERNADA QUE TIENE AMPLITUD Y FRECUENCIA PREFIJADAS Y CONSTANTES EN EL TIEMPO; DE UN SEGUNDO GENERADOR DE SEÑALES DE TENSION (IG) QUE PROPORCIONA SEÑALES REGULARMENTE ESPACIADAS EN EL TIEMPO, CON FORMA DE ONDA IMPULSORA DE TIPO TRAPEZOIDAL.
ES542548A 1984-05-04 1985-04-25 Perfeccionamientos en los circuitos telefonicos integrables monoliticamente. Expired ES8700528A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8420783A IT1213163B (it) 1984-05-04 1984-05-04 Circuito telefonico, integrabile monoliticamente, generatore disegnali di comando per gli indicatori di tassazione d'utente.
IT8421270A IT1213174B (it) 1984-06-06 1984-06-06 Circuito telefonico, integrabile monoliticamente, generatore disegnali di comando per gli indicatori di tassazione d'utente.

Publications (2)

Publication Number Publication Date
ES8700528A1 true ES8700528A1 (es) 1986-10-01
ES542548A0 ES542548A0 (es) 1986-10-01

Family

ID=26327661

Family Applications (1)

Application Number Title Priority Date Filing Date
ES542548A Expired ES8700528A1 (es) 1984-05-04 1985-04-25 Perfeccionamientos en los circuitos telefonicos integrables monoliticamente.

Country Status (7)

Country Link
US (1) US4638122A (es)
BR (1) BR8502116A (es)
DE (1) DE3516007C2 (es)
ES (1) ES8700528A1 (es)
FR (1) FR2563957B1 (es)
GB (1) GB2161045B (es)
SE (1) SE456630B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1213181B (it) * 1984-06-22 1989-12-14 Ates Componenti Elettron Circuito telefonico, integrabile monoliticamente, generatore disegnali di comando per gli indicatori di tassazione d'utente.
SE467333B (sv) * 1990-10-24 1992-06-29 Ericsson Telefon Ab L M Krets foer att alstra debiteringspulser avsedda foer presentation hos en teleabonnent
US5452345A (en) * 1994-01-21 1995-09-19 Advanced Micro Devices Metering signal level control circuit
DE4408323C2 (de) * 1994-03-11 1999-03-11 Siemens Ag Verfahren zur Erzeugung eines digitalen Sinussignales mit einer vorgegebenen Abtastrate und Schaltungsanordnung zur Durchführung des Verfahrens
DE4410058C1 (de) * 1994-03-23 1995-03-30 Siemens Ag Schaltungsanordnung zur Gebührenimpulsfilterung
FI99166C (fi) * 1994-10-14 1997-10-10 Nokia Telecommunications Oy Menetelmä ennalta määrätyn taajuisen signaalin detektoimiseksi sekä ilmaisinpiiri
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
FI102130B (fi) * 1997-03-07 1998-10-15 Nokia Telecommunications Oy Menetelmä maksunosoitussignaalin muodostamiseksi ja maksunosoituslähet in
SE512337C2 (sv) * 1998-03-20 2000-02-28 Ericsson Telefon Ab L M Förfarande och anordning i en abonnentlinjekrets
EP1024649A3 (en) * 1999-01-28 2004-12-15 Alcatel Linear multichannel detection system for billing by spectrum convolution
DE10146891C2 (de) * 2001-09-24 2003-08-14 Infineon Technologies Ag Verfahren zum Übertragen von Gebührenbestimmungssignalen über einen Datenübertragungspfad und Vorrichtung zur Spannungspegelgenerierung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035583A (en) * 1976-05-03 1977-07-12 Gte Automatic Electric Laboratories Incorporated Method to apply and disconnect a 16 KHz signal to a telephone line without producing clicks
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

Also Published As

Publication number Publication date
GB2161045A (en) 1986-01-02
FR2563957A1 (fr) 1985-11-08
DE3516007C2 (de) 1994-01-20
US4638122A (en) 1987-01-20
SE8502130L (sv) 1985-11-05
FR2563957B1 (fr) 1994-04-29
SE8502130D0 (sv) 1985-05-02
GB2161045B (en) 1988-03-02
GB8511492D0 (en) 1985-06-12
BR8502116A (pt) 1985-12-31
ES542548A0 (es) 1986-10-01
SE456630B (sv) 1988-10-17
DE3516007A1 (de) 1985-11-07

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