FR2326100A1 - Joncteur reseau de telephonie electronique - Google Patents

Joncteur reseau de telephonie electronique

Info

Publication number
FR2326100A1
FR2326100A1 FR7529683A FR7529683A FR2326100A1 FR 2326100 A1 FR2326100 A1 FR 2326100A1 FR 7529683 A FR7529683 A FR 7529683A FR 7529683 A FR7529683 A FR 7529683A FR 2326100 A1 FR2326100 A1 FR 2326100A1
Authority
FR
France
Prior art keywords
junction network
logic circuits
electronic
elements compatible
electronic elements
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.)
Granted
Application number
FR7529683A
Other languages
English (en)
Other versions
FR2326100B1 (fr
Inventor
Jean-Pierre Laporte
Robert Girar
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
Priority to FR7529683A priority Critical patent/FR2326100A1/fr
Publication of FR2326100A1 publication Critical patent/FR2326100A1/fr
Application granted granted Critical
Publication of FR2326100B1 publication Critical patent/FR2326100B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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)
FR7529683A 1975-09-26 1975-09-26 Joncteur reseau de telephonie electronique Granted FR2326100A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7529683A FR2326100A1 (fr) 1975-09-26 1975-09-26 Joncteur reseau de telephonie electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7529683A FR2326100A1 (fr) 1975-09-26 1975-09-26 Joncteur reseau de telephonie electronique

Publications (2)

Publication Number Publication Date
FR2326100A1 true FR2326100A1 (fr) 1977-04-22
FR2326100B1 FR2326100B1 (fr) 1979-03-30

Family

ID=9160542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529683A Granted FR2326100A1 (fr) 1975-09-26 1975-09-26 Joncteur reseau de telephonie electronique

Country Status (1)

Country Link
FR (1) FR2326100A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010720A1 (fr) * 1978-10-27 1980-05-14 Siemens Aktiengesellschaft Circuit de fermeture de boucle entièrement électronique
FR2495866A1 (fr) * 1980-12-10 1982-06-11 Trt Telecom Radio Electr Dispositif d'adaptation d'un modem a la ligne telephonique du reseau commute
EP0119422A2 (fr) * 1983-02-10 1984-09-26 Robert James Redding Simulateur d'inductance
FR2544144A1 (fr) * 1983-04-11 1984-10-12 Rosny Unite Tech Relais modulateur, notamment pour installations de telecommunications
FR2546351A1 (fr) * 1983-05-18 1984-11-23 Telecommunications Sa Circuit de ligne pour joncteur de reseau

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251975A1 (fr) * 1973-11-16 1975-06-13 Labo Cent Telecommunicat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251975A1 (fr) * 1973-11-16 1975-06-13 Labo Cent Telecommunicat

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010720A1 (fr) * 1978-10-27 1980-05-14 Siemens Aktiengesellschaft Circuit de fermeture de boucle entièrement électronique
FR2495866A1 (fr) * 1980-12-10 1982-06-11 Trt Telecom Radio Electr Dispositif d'adaptation d'un modem a la ligne telephonique du reseau commute
EP0119422A2 (fr) * 1983-02-10 1984-09-26 Robert James Redding Simulateur d'inductance
EP0119422A3 (fr) * 1983-02-10 1986-03-26 Robert James Redding Simulateur d'inductance
FR2544144A1 (fr) * 1983-04-11 1984-10-12 Rosny Unite Tech Relais modulateur, notamment pour installations de telecommunications
EP0122852A1 (fr) * 1983-04-11 1984-10-24 UNITE TECHNIQUE ROSNY, Société dite: Relais modulateur, notamment pour installations de télécommunications
FR2546351A1 (fr) * 1983-05-18 1984-11-23 Telecommunications Sa Circuit de ligne pour joncteur de reseau
EP0127517A1 (fr) * 1983-05-18 1984-12-05 Societe Anonyme De Telecommunications (S.A.T.) Circuit de ligne pour joncteur de réseau
US4567329A (en) * 1983-05-18 1986-01-28 Societe Anonyme De Telecommunications Line circuit for network junctor

Also Published As

Publication number Publication date
FR2326100B1 (fr) 1979-03-30

Similar Documents

Publication Publication Date Title
US4118603A (en) DC signaling circuit for use in conjunction with isolation transformers
EP0651541B1 (fr) Circuit téléphonique d'abonné pourvu d'un élément d'isolation galvanique pour engendrer les états d'ouverture et de fermeture de la ligne téléphonique
US4621170A (en) Means of transmitting signals along a line while also providing a direct voltage source
EP0351009B1 (fr) Régulateur de courant de boucle pour ligne téléphonique
US3772470A (en) Threshold circuit for tone-ringer
FR2326100A1 (fr) Joncteur reseau de telephonie electronique
US4776007A (en) Solid state trunk circuit
US4039759A (en) Line security device
JPS6330051A (ja) 電話機
TR26715A (tr) TELEKOMüNIKASYON VE DATA TEKNOLOJISI ICIN TERMINAL BANKASI
US3794782A (en) Pabx transmission and impulsing circuit
EP0556742B1 (fr) Dispositif de suppression de la réaction acoustique, particulièrement pour des sonneries auxiliaires dans des systèmes de téléphone enfichable
US4223186A (en) Circuit arrangement for line-supplied subscriber stations having dial devices
US1484396A (en) Telephone system
SU1598117A1 (ru) Устройство дл передачи напр жени с гальванической разв зкой
US1551171A (en) Automatic telephone substation circuits
GB928172A (en) Improvements relating to telephone exchange systems
FR2428318A1 (fr) Circuit de commande de relais
KR890016819A (ko) 키폰 시스템에 있어서 도어폰 인터페이스 회로
GB1265084A (fr)
KR880002350A (ko) 공전식 DTMF(Dual Tome Multi freguency) 전화기 및 다이알 펄스 전화기의 국선 교환용 인터페이스 회로
JPS6135117A (ja) 異常電圧保護回路
GB813339A (en) Improvements in or relating to electrical signalling systems
JPS62183635A (ja) デイジタル伝送装置
GB773850A (en) Improvements in or relating to telephone set circuits

Legal Events

Date Code Title Description
ST Notification of lapse