DE3473203D1 - Junction circuit for an exchange trunk - Google Patents

Junction circuit for an exchange trunk

Info

Publication number
DE3473203D1
DE3473203D1 DE8484400989T DE3473203T DE3473203D1 DE 3473203 D1 DE3473203 D1 DE 3473203D1 DE 8484400989 T DE8484400989 T DE 8484400989T DE 3473203 T DE3473203 T DE 3473203T DE 3473203 D1 DE3473203 D1 DE 3473203D1
Authority
DE
Germany
Prior art keywords
junction circuit
exchange trunk
trunk
exchange
junction
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
DE8484400989T
Other languages
English (en)
Inventor
Francois Pierre Bailly
Alain Bourgoin
Renato Israel
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Application granted granted Critical
Publication of DE3473203D1 publication Critical patent/DE3473203D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
DE8484400989T 1983-05-18 1984-05-15 Junction circuit for an exchange trunk Expired DE3473203D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8308186A FR2546351B1 (fr) 1983-05-18 1983-05-18 Circuit de ligne pour joncteur de reseau

Publications (1)

Publication Number Publication Date
DE3473203D1 true DE3473203D1 (en) 1988-09-08

Family

ID=9288938

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484400989T Expired DE3473203D1 (en) 1983-05-18 1984-05-15 Junction circuit for an exchange trunk

Country Status (4)

Country Link
US (1) US4567329A (de)
EP (1) EP0127517B1 (de)
DE (1) DE3473203D1 (de)
FR (1) FR2546351B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603234A (en) * 1983-04-04 1986-07-29 Gte Lenkurt Incorporated Switching circuit including current limiting and initializing signal isolation
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
EP0215339A3 (de) * 1985-09-20 1989-01-11 Siemens Aktiengesellschaft Schaltungsanordnung, die die Funktion einer Haltedrossel in Amtssätzen von Fernsprechnebenstellenanlagen erfüllt
FR2646304B1 (fr) * 1989-04-21 1995-08-18 Alcatel Business Systems Terminal videotex repondeur
FR2652220B1 (fr) * 1989-09-21 1995-07-07 Sagem Dispositif de numerotation decimale pour appareil raccorde a une ligne telephonique.
US5414764A (en) * 1990-12-10 1995-05-09 Canon Kabushiki Kaisha Communications apparatus
US6160887A (en) * 1997-05-02 2000-12-12 Goodrich; Patrick Telephone loop-current regulator
US7261875B2 (en) * 2001-12-21 2007-08-28 Board Of Regents, The University Of Texas System Dendritic poly (amino acid) carriers and methods of use
JP6323977B2 (ja) * 2012-12-27 2018-05-16 キヤノン株式会社 通信装置及び該装置の制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2239063B1 (de) * 1973-07-27 1977-09-16 Thomson Csf
US3871233A (en) * 1973-09-17 1975-03-18 Standun Fluid pressure monitoring device
FR2251975B1 (de) * 1973-11-16 1979-08-03 Labo Cent Telecommunicat
FR2254168A1 (en) * 1973-12-11 1975-07-04 Ass Ouvriers Instr Precision Telephone line supply device - is an active electronic device acting as resistance for direct current and high impedance for A.C.
GB1515503A (en) * 1974-01-15 1978-06-28 Gen Electric Co Ltd Electric impulse transmitters for telephone instruments
US4008379A (en) * 1975-02-14 1977-02-15 San/Bar Corporation Touch-pad to dial conversion unit
DE2522957C3 (de) * 1975-05-23 1978-06-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für über ihre Anschlußleitungen gespeiste Teilnehmerstationen mit Impulstastwahl in Fernmelde-, insbesondere Fernsprechanlagen
FR2326100A1 (fr) * 1975-09-26 1977-04-22 Ericsson Telefon Ab L M Joncteur reseau de telephonie electronique
DE2556157C3 (de) * 1975-12-11 1979-01-18 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung für eine elektronische Teilnehmerspeisung
US4046969A (en) * 1976-08-05 1977-09-06 Bell Telephone Laboratories, Incorporated Dial pulse repeating line circuit using miniature line transformer
US4151377A (en) * 1978-01-03 1979-04-24 International Telephone And Telegraph Corporation High impedance loop-seizing and dial pulsing circuit
DE2846934A1 (de) * 1978-10-27 1980-04-30 Siemens Ag Vollelektronische schleifenschlussschaltung
US4375014A (en) * 1981-02-17 1983-02-22 Great Lakes Communication Co. Of Michigan Current sensing trigger for a telephone system

Also Published As

Publication number Publication date
EP0127517B1 (de) 1988-08-03
EP0127517A1 (de) 1984-12-05
US4567329A (en) 1986-01-28
FR2546351A1 (fr) 1984-11-23
FR2546351B1 (fr) 1989-02-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee