IT1214603B - Circuito telefonico, integrabile monoliticamente, perl'alimentazione di una linea telefonica d'utente. - Google Patents

Circuito telefonico, integrabile monoliticamente, perl'alimentazione di una linea telefonica d'utente.

Info

Publication number
IT1214603B
IT1214603B IT8520549A IT2054985A IT1214603B IT 1214603 B IT1214603 B IT 1214603B IT 8520549 A IT8520549 A IT 8520549A IT 2054985 A IT2054985 A IT 2054985A IT 1214603 B IT1214603 B IT 1214603B
Authority
IT
Italy
Prior art keywords
supply
telephone
user
monolithically integrable
telephone line
Prior art date
Application number
IT8520549A
Other languages
English (en)
Italian (it)
Other versions
IT8520549A0 (it
Inventor
Marco Siligoni
Vanni Saviotti
Emilio Lorena
Original Assignee
Ates Componenti Elettron
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 Elettron filed Critical Ates Componenti Elettron
Priority to IT8520549A priority Critical patent/IT1214603B/it
Publication of IT8520549A0 publication Critical patent/IT8520549A0/it
Priority to DE3613913A priority patent/DE3613913C2/de
Priority to JP9700386A priority patent/JPH0787501B2/ja
Priority to US06/857,487 priority patent/US4841565A/en
Priority to GB8610627A priority patent/GB2176373B/en
Priority to FR8606268A priority patent/FR2581279A1/fr
Application granted granted Critical
Publication of IT1214603B publication Critical patent/IT1214603B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
IT8520549A 1985-04-30 1985-04-30 Circuito telefonico, integrabile monoliticamente, perl'alimentazione di una linea telefonica d'utente. IT1214603B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8520549A IT1214603B (it) 1985-04-30 1985-04-30 Circuito telefonico, integrabile monoliticamente, perl'alimentazione di una linea telefonica d'utente.
DE3613913A DE3613913C2 (de) 1985-04-30 1986-04-24 Monolithisch integrierbare Telefonschaltung für die Versorgung einer Teilnehmer-Fernsprechleitung
JP9700386A JPH0787501B2 (ja) 1985-04-30 1986-04-28 電話用給電回路
US06/857,487 US4841565A (en) 1985-04-30 1986-04-30 Monolithically integratable telephone circuit for feeding a subscriber's telephone line
GB8610627A GB2176373B (en) 1985-04-30 1986-04-30 Improvements in or relating to telephone circuits
FR8606268A FR2581279A1 (fr) 1985-04-30 1986-04-30 Circuit telephonique, integrable monolithiquement, pour l'alimentation d'une ligne telephonique d'abonne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8520549A IT1214603B (it) 1985-04-30 1985-04-30 Circuito telefonico, integrabile monoliticamente, perl'alimentazione di una linea telefonica d'utente.

Publications (2)

Publication Number Publication Date
IT8520549A0 IT8520549A0 (it) 1985-04-30
IT1214603B true IT1214603B (it) 1990-01-18

Family

ID=11168626

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8520549A IT1214603B (it) 1985-04-30 1985-04-30 Circuito telefonico, integrabile monoliticamente, perl'alimentazione di una linea telefonica d'utente.

Country Status (6)

Country Link
US (1) US4841565A (en, 2012)
JP (1) JPH0787501B2 (en, 2012)
DE (1) DE3613913C2 (en, 2012)
FR (1) FR2581279A1 (en, 2012)
GB (1) GB2176373B (en, 2012)
IT (1) IT1214603B (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1248548B (it) * 1991-06-25 1995-01-19 St Microelectronics Srl Circuito elettronico d'interfaccia d'utente, con limitazione di corrente, a caratteristica tensione-corrente bilanciata fuori limitazione e sbilanciata in limitazione.
US6775531B1 (en) 1994-07-21 2004-08-10 Interdigital Technology Corporation Subscriber terminal temperature regulation
ES2263422T3 (es) * 1994-07-21 2006-12-16 Interdigital Technology Corporation Metodo y aparato de control del consumo de energia de una unidad de abonado de un sistema de comunicaciones.
DE19623827C1 (de) * 1996-06-14 1998-01-08 Siemens Ag Elektronische Sprechschaltungsanordnung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH586983A5 (en, 2012) * 1974-12-23 1977-04-15 Ibm
FR2437757A2 (fr) * 1978-06-26 1980-04-25 Trt Telecom Radio Electr Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique
US4272656A (en) * 1979-04-05 1981-06-09 Precision Monolithics, Inc. Quasi-resistive battery feed for telephone circuits
JPS5670A (en) * 1979-06-12 1981-01-06 Seiko Epson Corp Magnetic recorder
US4315207A (en) * 1980-06-20 1982-02-09 Advanced Micro Devices, Inc. Current controlled battery feed circuit
US4358645A (en) * 1980-08-05 1982-11-09 Motorola, Inc. Loop sensing circuit for use with a subscriber loop interface circuit
US4476350A (en) * 1981-02-17 1984-10-09 Bell Telephone Laboratories, Incorporated Battery feed circuit
FR2527404B1 (fr) * 1982-05-19 1987-10-23 Cit Alcatel Joncteur d'abonne electronique
JPS5915357A (ja) * 1982-07-19 1984-01-26 Nippon Telegr & Teleph Corp <Ntt> 電流供給回路
SE433285B (sv) * 1982-09-22 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
JPS60141006A (ja) * 1983-12-28 1985-07-26 Nec Corp インピ−ダンス合成回路
CA1200335A (en) * 1984-02-13 1986-02-04 Stanley D. Rosenbaum Active impedance line feed circuit
US4558272A (en) * 1984-07-05 1985-12-10 At&T Bell Laboratories Current characteristic shaper
IT1215254B (it) * 1985-03-20 1990-01-31 Ates Componenti Elettron Circuito, integrabile monoliticamente, per la misura di correnti longitudinali e trasversali in una linea ditrasmissione bifilare.

Also Published As

Publication number Publication date
JPH0787501B2 (ja) 1995-09-20
US4841565A (en) 1989-06-20
DE3613913C2 (de) 1994-10-20
FR2581279A1 (fr) 1986-10-31
GB2176373A (en) 1986-12-17
FR2581279B1 (en, 2012) 1994-04-22
IT8520549A0 (it) 1985-04-30
DE3613913A1 (de) 1986-10-30
JPS61253969A (ja) 1986-11-11
GB8610627D0 (en) 1986-06-04
GB2176373B (en) 1989-12-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970429