NL184448C - Elektronische vorkschakeling. - Google Patents

Elektronische vorkschakeling.

Info

Publication number
NL184448C
NL184448C NLAANVRAGE7602761,A NL7602761A NL184448C NL 184448 C NL184448 C NL 184448C NL 7602761 A NL7602761 A NL 7602761A NL 184448 C NL184448 C NL 184448C
Authority
NL
Netherlands
Prior art keywords
fork switch
electronic fork
electronic
switch
fork
Prior art date
Application number
NLAANVRAGE7602761,A
Other languages
English (en)
Other versions
NL184448B (nl
NL7602761A (nl
Original Assignee
Jeumont Schneider
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 Jeumont Schneider filed Critical Jeumont Schneider
Publication of NL7602761A publication Critical patent/NL7602761A/nl
Publication of NL184448B publication Critical patent/NL184448B/nl
Application granted granted Critical
Publication of NL184448C publication Critical patent/NL184448C/nl

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/587—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using opto-couplers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
NLAANVRAGE7602761,A 1975-03-20 1976-03-17 Elektronische vorkschakeling. NL184448C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7508696A FR2305080A1 (fr) 1975-03-20 1975-03-20 Termineur electronique

Publications (3)

Publication Number Publication Date
NL7602761A NL7602761A (nl) 1976-09-22
NL184448B NL184448B (nl) 1989-02-16
NL184448C true NL184448C (nl) 1989-07-17

Family

ID=9152821

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7602761,A NL184448C (nl) 1975-03-20 1976-03-17 Elektronische vorkschakeling.

Country Status (9)

Country Link
US (1) US4039766A (nl)
BE (1) BE839687A (nl)
DE (1) DE2611472C3 (nl)
ES (1) ES446088A1 (nl)
FR (1) FR2305080A1 (nl)
GB (1) GB1538907A (nl)
IT (1) IT1057450B (nl)
LU (1) LU74588A1 (nl)
NL (1) NL184448C (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543861C3 (de) * 1975-10-01 1981-06-25 Nixdorf Computer Ag, 4790 Paderborn Schaltung für eine zweirichtungsverstärkeranordnung in Fernmeldeanlagen, insbesondere Datenübertragungsanlagen, zur Sperrung des jeweiligen Verstärkereingangs gegen die Aufnahme abgehender Signale
FR2372554A1 (fr) * 1976-11-25 1978-06-23 Jeumont Schneider Equipement de ligne d'abonne pour central telephonique
US4142075A (en) * 1977-10-11 1979-02-27 Burr-Brown Research Corporation Interface circuit and method for telephone extension lines
US4241239A (en) * 1978-02-24 1980-12-23 International Telephone And Telegraph Corporation Fluxbucking line transformer with electronic equivalent line terminating impedance
CA1123131A (en) * 1978-02-28 1982-05-04 Michael C.J. Cowpland Transformerless trunk circuit
FR2422296A1 (fr) * 1978-04-03 1979-11-02 Duret Christian Translateur electronique destine a un equipement de ligne d'abonne d'un reseau telephonique du genre spatial a points de connexion electroniques ou du genre temporel et circuit quadripole actif constituant un composant de ce translateur
FR2478908B1 (nl) * 1980-03-21 1984-08-03 Thomson Csf Mat Tel
DE3142201C2 (de) * 1981-01-23 1984-02-23 Mitel Corp., Kanata, Ontario Gabelschaltung für eine Fernmelde-, insbesondere Fernsprechanlage
US4373118A (en) * 1981-06-08 1983-02-08 Bell Telephone Laboratories, Incorporated Battery feed circuit
SE430197B (sv) * 1982-02-09 1983-10-24 Ellemtel Utvecklings Ab Elektroniskt externlinjeoverdrag
AT384337B (de) * 1982-07-22 1987-10-27 Alcatel Austria Ag Schnittstellenschaltung mit zweidraht-vierdraht- umsetzung fuer fernsprechvermittlungsanlagen
FR2564678B1 (fr) * 1984-05-18 1986-09-12 Thomson Csf Mat Tel Interface de liaison de circuit d'abonne pour autocommutateur telephonique
HU193107B (en) * 1985-03-29 1987-08-28 Bhg Hiradastech Vallalat Circuit arrangement for making circuit of main route, in particular to digital sub-exchanges

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT274904B (de) * 1965-10-12 1969-10-10 Western Electric Co Teilnehmerschaltung zum Verbinden der Sprechadern von Fernsprech-Teilnehmerstellen mit Vermittlungsnetzwerk-Sprechadern
DE2019395B2 (de) * 1970-04-22 1980-06-12 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Elektronische Gabelschaltung in Signaluebertragungsanlagen,insbesondere Fernsprechanlagen
US3987257A (en) * 1975-05-29 1976-10-19 International Telephone And Telegraph Corporation Optically coupled two-wire to four-wire hybrid lines

Also Published As

Publication number Publication date
NL184448B (nl) 1989-02-16
FR2305080B1 (nl) 1979-06-08
GB1538907A (en) 1979-01-24
BE839687A (fr) 1976-07-16
US4039766A (en) 1977-08-02
ES446088A1 (es) 1977-06-01
DE2611472C3 (de) 1985-03-14
DE2611472A1 (de) 1976-09-23
LU74588A1 (nl) 1976-09-01
IT1057450B (it) 1982-03-10
DE2611472B2 (de) 1978-11-30
FR2305080A1 (fr) 1976-10-15
NL7602761A (nl) 1976-09-22

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: JS TELECOM

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