GR79011B - - Google Patents

Info

Publication number
GR79011B
GR79011B GR72625A GR830172625A GR79011B GR 79011 B GR79011 B GR 79011B GR 72625 A GR72625 A GR 72625A GR 830172625 A GR830172625 A GR 830172625A GR 79011 B GR79011 B GR 79011B
Authority
GR
Greece
Application number
GR72625A
Inventor
Jurgen Zanzig
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of GR79011B publication Critical patent/GR79011B/el

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)
  • Devices For Supply Of Signal Current (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
GR72625A 1982-10-12 1983-10-05 GR79011B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3237681A DE3237681C2 (de) 1982-10-12 1982-10-12 Speiseschaltung für einen veränderlichen Verbraucherwiderstand und mit unterschiedlich wirkendem Ausgangswiderstand

Publications (1)

Publication Number Publication Date
GR79011B true GR79011B (el) 1984-10-02

Family

ID=6175475

Family Applications (1)

Application Number Title Priority Date Filing Date
GR72625A GR79011B (el) 1982-10-12 1983-10-05

Country Status (7)

Country Link
US (1) US4633038A (el)
JP (1) JPS5990456A (el)
DE (1) DE3237681C2 (el)
ES (1) ES526415A0 (el)
GR (1) GR79011B (el)
IT (1) IT1171746B (el)
MX (1) MX154026A (el)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554412A (en) * 1984-07-23 1985-11-19 At&T Information Systems Inc. Resistive line circuit
DE3428106A1 (de) * 1984-07-30 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Teilnehmeranschlussschaltung
DE3541548C1 (en) * 1985-11-25 1989-11-23 Ant Nachrichtentech Line unit for telephone/data transmission
DE3926102A1 (de) * 1989-08-08 1991-02-14 Standard Elektrik Lorenz Ag Verfahren und schaltungsanordnung zur uebertragung eines digitalen signals auf einer teilnehmerleitung in fernsprechanlagen
US5189697A (en) * 1990-04-30 1993-02-23 Northern Telecom Limited Line interface circuit
EP0517321B1 (en) * 1991-06-06 1999-10-06 Koninklijke Philips Electronics N.V. Telecommunication system comprising a supply circuit for a telecommunication line, and a supply circuit for a telecommunication line suitable for use in the telecommunication system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2254167B2 (el) * 1973-12-10 1978-08-18 Labo Cent Telecommunicat
DE2521984C2 (de) * 1975-05-16 1983-05-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum Speisen eines Gleichstromverbrauchers in zentralgespeisten Fernmeldeanlagen
FR2382810A1 (fr) * 1977-03-02 1978-09-29 Labo Cent Telecommunicat Circuit d'alimentation de ligne telephonique avec protection
US4087647A (en) * 1977-05-25 1978-05-02 Bell Telephone Laboratories, Incorporated Circuit for supplying direct current to telephone station sets
ZA784547B (en) * 1977-08-17 1979-08-29 Post Office Unbalanced/balanced converter circuits
FR2422300A1 (fr) * 1978-04-03 1979-11-02 Trt Telecom Radio Electr Joncteur comportant un amplificateur de puissance symetrique pour alimenter la ligne d'abonne
IT1159706B (it) * 1978-06-02 1987-03-04 Cselt Centro Studi Lab Telecom Circuito telefonico elettronico di linea d'utente
NL7807531A (nl) * 1978-07-13 1980-01-15 Philips Nv Inrichting voor het toevoeren van een signaal aan een transmissielijn.
DE2838038A1 (de) * 1978-08-31 1980-03-13 Siemens Ag Einspeiseeinheit mit hohem ausgangsseitigen innenwiderstand
CA1130940A (en) * 1978-09-22 1982-08-31 Oki Electric Industry Co., Ltd. Current supply circuit for telephone exchange
FR2460078B1 (fr) * 1979-06-25 1986-12-12 Trt Telecom Radio Electr Joncteur d'abonne electronique
DE3007549A1 (de) * 1980-02-28 1981-09-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur speisung einer teilnehmereinrichtung
DE3037972C2 (de) * 1980-10-08 1982-09-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum Speisen eines veränderlichen Widerstandes über zwei veränderliche Speisewiderstände, insbesondere zum Speisen von Teilnehmeranschlußleitungen in Fernsprechvermittlungsanlagen
US4400588A (en) * 1981-06-15 1983-08-23 Gte Automatic Electric Labs Inc. Electronic voice network for a telephone subscriber's substation

Also Published As

Publication number Publication date
ES8500693A1 (es) 1984-06-16
MX154026A (es) 1987-04-02
IT8323266A0 (it) 1983-10-12
JPS5990456A (ja) 1984-05-24
DE3237681C2 (de) 1986-03-27
ES526415A0 (es) 1984-06-16
IT1171746B (it) 1987-06-10
US4633038A (en) 1986-12-30
DE3237681A1 (de) 1984-04-12

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