DE3366101D1 - Apparatus for the current supply of a subscriber set from an exchange - Google Patents

Apparatus for the current supply of a subscriber set from an exchange

Info

Publication number
DE3366101D1
DE3366101D1 DE8383902919T DE3366101T DE3366101D1 DE 3366101 D1 DE3366101 D1 DE 3366101D1 DE 8383902919 T DE8383902919 T DE 8383902919T DE 3366101 T DE3366101 T DE 3366101T DE 3366101 D1 DE3366101 D1 DE 3366101D1
Authority
DE
Germany
Prior art keywords
exchange
current supply
subscriber set
subscriber
supply
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
DE8383902919T
Other languages
English (en)
Inventor
Jan Johansson
Nils Sundvall
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE3366101D1 publication Critical patent/DE3366101D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/06—Current supply arrangements for telephone systems in which current supply sources at subordinate switching centres are charged from the main exchange
    • 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
    • H04M19/008—Using DC/DC converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
DE8383902919T 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange Expired DE3366101D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8205342A SE433284B (sv) 1982-09-17 1982-09-17 Anordning for strommatning av en abonnentapparat
PCT/SE1983/000329 WO1984001249A1 (en) 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange

Publications (1)

Publication Number Publication Date
DE3366101D1 true DE3366101D1 (en) 1986-10-16

Family

ID=20347901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383902919T Expired DE3366101D1 (en) 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange

Country Status (9)

Country Link
US (1) US4631360A (de)
EP (1) EP0119234B1 (de)
JP (1) JPH0626399B2 (de)
KR (1) KR870000077B1 (de)
AU (1) AU562139B2 (de)
DE (1) DE3366101D1 (de)
IT (1) IT1166949B (de)
SE (1) SE433284B (de)
WO (1) WO1984001249A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581487A (en) * 1984-07-11 1986-04-08 Itt Corporation Universal DC feed for telephone line and trunk circuits
DE3428106A1 (de) * 1984-07-30 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Teilnehmeranschlussschaltung
US4866768A (en) * 1985-06-26 1989-09-12 Siemens Corporate Research & Support, Inc. Station line interface circuit for a telecommunication network
SE465547B (sv) * 1990-02-01 1991-09-23 Ericsson Telefon Ab L M Saett och krets foer likstroemsmatning till en telefonlinje
SE465799B (sv) * 1990-03-15 1991-10-28 Ericsson Telefon Ab L M Anordning foer reducerad effektmatning till en abonnentlinje
EP0455893B1 (de) * 1990-05-11 1995-02-01 Alcatel N.V. Fernmeldeleitungsschaltung
SE501975C2 (sv) * 1993-11-09 1995-07-03 Ericsson Telefon Ab L M Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning
SE9400186D0 (sv) * 1994-01-21 1994-01-21 Ericsson Telefon Ab L M Förfarande i ett telekommunikationssystem
KR100306156B1 (ko) * 1994-08-27 2001-12-01 윤종용 전자교환기내의직류전압변압기를병렬동작시키기위한방법및장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7903662A (nl) * 1979-05-10 1980-11-12 Philips Nv Lijncircuit.
US4315106A (en) * 1979-11-28 1982-02-09 International Telephone And Telegraph Corporation Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems
GB2065418B (en) * 1979-12-06 1984-02-15 Standard Telephones Cables Ltd Telephone line feed
JPS5814606A (ja) * 1981-07-18 1983-01-27 Pioneer Electronic Corp 増幅器の電源供給回路
JPS58104558A (ja) * 1981-12-17 1983-06-22 Nippon Telegr & Teleph Corp <Ntt> 全電子化加入者回路
US4419542A (en) * 1982-05-17 1983-12-06 Bell Telephone Laboratories, Incorporated Battery feed circuit
JPS59125157A (ja) * 1982-12-30 1984-07-19 Fujitsu Ltd 給電回路

Also Published As

Publication number Publication date
WO1984001249A1 (en) 1984-03-29
SE433284B (sv) 1984-05-14
SE8205342D0 (sv) 1982-09-17
KR840006272A (ko) 1984-11-22
AU562139B2 (en) 1987-05-28
IT1166949B (it) 1987-05-06
IT8322903A0 (it) 1983-09-16
KR870000077B1 (ko) 1987-02-09
JPS59501569A (ja) 1984-08-30
AU2030783A (en) 1984-04-04
EP0119234B1 (de) 1986-09-10
JPH0626399B2 (ja) 1994-04-06
EP0119234A1 (de) 1984-09-26
US4631360A (en) 1986-12-23
SE8205342L (sv) 1984-03-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition