FR2355423A1 - Equipement de ligne d'abonne pour central telephonique - Google Patents

Equipement de ligne d'abonne pour central telephonique

Info

Publication number
FR2355423A1
FR2355423A1 FR7618361A FR7618361A FR2355423A1 FR 2355423 A1 FR2355423 A1 FR 2355423A1 FR 7618361 A FR7618361 A FR 7618361A FR 7618361 A FR7618361 A FR 7618361A FR 2355423 A1 FR2355423 A1 FR 2355423A1
Authority
FR
France
Prior art keywords
transformer
subscriber line
threshold detector
line circuit
uses voice
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
FR7618361A
Other languages
English (en)
French (fr)
Other versions
FR2355423B1 (xx
Inventor
Jean Picandet
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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider SA
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 SA filed Critical Jeumont Schneider SA
Priority to FR7618361A priority Critical patent/FR2355423A1/fr
Publication of FR2355423A1 publication Critical patent/FR2355423A1/fr
Application granted granted Critical
Publication of FR2355423B1 publication Critical patent/FR2355423B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR7618361A 1976-06-17 1976-06-17 Equipement de ligne d'abonne pour central telephonique Granted FR2355423A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7618361A FR2355423A1 (fr) 1976-06-17 1976-06-17 Equipement de ligne d'abonne pour central telephonique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7618361A FR2355423A1 (fr) 1976-06-17 1976-06-17 Equipement de ligne d'abonne pour central telephonique

Publications (2)

Publication Number Publication Date
FR2355423A1 true FR2355423A1 (fr) 1978-01-13
FR2355423B1 FR2355423B1 (xx) 1981-06-12

Family

ID=9174510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7618361A Granted FR2355423A1 (fr) 1976-06-17 1976-06-17 Equipement de ligne d'abonne pour central telephonique

Country Status (1)

Country Link
FR (1) FR2355423A1 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419626A1 (fr) * 1978-03-06 1979-10-05 Philips Nv Circuit pour alimenter un joncteur d'abonne
EP0022561A1 (fr) * 1979-07-17 1981-01-21 COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A. dite: Dispositif d'alimentation d'un poste d'abonné

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419626A1 (fr) * 1978-03-06 1979-10-05 Philips Nv Circuit pour alimenter un joncteur d'abonne
EP0022561A1 (fr) * 1979-07-17 1981-01-21 COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL S.A. dite: Dispositif d'alimentation d'un poste d'abonné
FR2462070A1 (fr) * 1979-07-17 1981-02-06 Cit Alcatel Dispositif d'alimentation d'un poste d'abonne

Also Published As

Publication number Publication date
FR2355423B1 (xx) 1981-06-12

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse