BR8205618A - Processo para a alimentacao de uma instalacao terminal de assinante em instalacoes de telecomunicacoes e disposicao de circuito para a realizacao do processo - Google Patents

Processo para a alimentacao de uma instalacao terminal de assinante em instalacoes de telecomunicacoes e disposicao de circuito para a realizacao do processo

Info

Publication number
BR8205618A
BR8205618A BR8205618A BR8205618A BR8205618A BR 8205618 A BR8205618 A BR 8205618A BR 8205618 A BR8205618 A BR 8205618A BR 8205618 A BR8205618 A BR 8205618A BR 8205618 A BR8205618 A BR 8205618A
Authority
BR
Brazil
Prior art keywords
supply
processing
circuit arrangement
subscriber terminal
terminal installation
Prior art date
Application number
BR8205618A
Other languages
English (en)
Inventor
Jorg Robra
Hans Goschin
Original Assignee
Tekade Felten & Guilheaume Fer
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 Tekade Felten & Guilheaume Fer filed Critical Tekade Felten & Guilheaume Fer
Publication of BR8205618A publication Critical patent/BR8205618A/pt

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)
  • Interface Circuits In Exchanges (AREA)
BR8205618A 1981-09-29 1982-09-27 Processo para a alimentacao de uma instalacao terminal de assinante em instalacoes de telecomunicacoes e disposicao de circuito para a realizacao do processo BR8205618A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813138649 DE3138649A1 (de) 1981-09-29 1981-09-29 Verfahren und schaltungsanordnung zur speisung einer teilnehmerendeinrichtung

Publications (1)

Publication Number Publication Date
BR8205618A true BR8205618A (pt) 1983-08-30

Family

ID=6142882

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8205618A BR8205618A (pt) 1981-09-29 1982-09-27 Processo para a alimentacao de uma instalacao terminal de assinante em instalacoes de telecomunicacoes e disposicao de circuito para a realizacao do processo

Country Status (7)

Country Link
US (1) US4525602A (pt)
EP (1) EP0076402B1 (pt)
JP (1) JPS5870676A (pt)
AU (1) AU549770B2 (pt)
BR (1) BR8205618A (pt)
CA (1) CA1191645A (pt)
DE (2) DE3138649A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60157369A (ja) * 1984-01-26 1985-08-17 Iwatsu Electric Co Ltd 通話電流供給回路
CA1209732A (en) * 1984-03-12 1986-08-12 Stanley D. Rosenbaum Active impedance line feed circuit with improved ground fault protection
CA1233580A (en) * 1984-05-26 1988-03-01 Kenji Takato Battery feed circuit for subscriber line
DE3446362A1 (de) * 1984-12-19 1986-06-19 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum schutz einer teilnehmerspeiseschaltung in einer vorzugsweise digitalen fernsprechvermittlungsstelle gegen ueberlastungen
AR241565A1 (es) * 1984-12-19 1992-08-31 Siemens Ag Disposicion de circuito para proteger un circuito de alimentacion de abonado en una central de enlace telefonico, preferentemente digital
CA1231480A (en) * 1985-03-15 1988-01-12 John A. Barsellotti Constant current line circuit
US4866768A (en) * 1985-06-26 1989-09-12 Siemens Corporate Research & Support, Inc. Station line interface circuit for a telecommunication network
US4727574A (en) * 1985-09-24 1988-02-23 Northern Telecom Limited Subscriber line interface circuit with improved d.c. balance
US4766605A (en) * 1986-06-13 1988-08-23 International Business Machines Corporation Telephone tie trunk driver circuit
CA1255026A (en) * 1986-12-24 1989-05-30 Mitel Corporation Dc control circuit
GB2224909A (en) * 1988-11-11 1990-05-16 Stc Plc Balanced constant current feed for subscriber lines
WO1998049782A2 (en) * 1997-04-29 1998-11-05 Koninklijke Philips Electronics N.V. A wire bound telecommunications device and a power supply circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563803A (en) * 1975-11-26 1980-04-02 Post Office Telecommunications transmission and signalling curcuits
DE2556157C3 (de) * 1975-12-11 1979-01-18 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung für eine elektronische Teilnehmerspeisung
CH599731A5 (pt) * 1976-03-02 1978-05-31 Ibm
FR2441303A1 (fr) * 1978-11-13 1980-06-06 Labo Cent Telecommunicat Pont d'alimentation electronique pour ligne telephonique
NL7905915A (nl) * 1979-08-01 1981-02-03 Philips Nv Televisiekamera uitgevoerd met een televisie opneembuis en een antimikrofonieschakeling.

Also Published As

Publication number Publication date
DE3269076D1 (en) 1986-03-27
US4525602A (en) 1985-06-25
EP0076402B1 (de) 1986-02-12
AU8836782A (en) 1983-04-14
EP0076402A1 (de) 1983-04-13
DE3138649A1 (de) 1983-04-14
AU549770B2 (en) 1986-02-13
JPS5870676A (ja) 1983-04-27
CA1191645A (en) 1985-08-06

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