FR2538661B1 - - Google Patents

Info

Publication number
FR2538661B1
FR2538661B1 FR8221864A FR8221864A FR2538661B1 FR 2538661 B1 FR2538661 B1 FR 2538661B1 FR 8221864 A FR8221864 A FR 8221864A FR 8221864 A FR8221864 A FR 8221864A FR 2538661 B1 FR2538661 B1 FR 2538661B1
Authority
FR
France
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
FR8221864A
Other languages
French (fr)
Other versions
FR2538661A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8221864A priority Critical patent/FR2538661A1/fr
Publication of FR2538661A1 publication Critical patent/FR2538661A1/fr
Application granted granted Critical
Publication of FR2538661B1 publication Critical patent/FR2538661B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR8221864A 1982-12-28 1982-12-28 Circuit electrique assurant les fonctions de base d'un poste telephonique d'abonne Granted FR2538661A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8221864A FR2538661A1 (fr) 1982-12-28 1982-12-28 Circuit electrique assurant les fonctions de base d'un poste telephonique d'abonne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221864A FR2538661A1 (fr) 1982-12-28 1982-12-28 Circuit electrique assurant les fonctions de base d'un poste telephonique d'abonne

Publications (2)

Publication Number Publication Date
FR2538661A1 FR2538661A1 (fr) 1984-06-29
FR2538661B1 true FR2538661B1 (cg-RX-API-DMAC7.html) 1985-03-08

Family

ID=9280555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8221864A Granted FR2538661A1 (fr) 1982-12-28 1982-12-28 Circuit electrique assurant les fonctions de base d'un poste telephonique d'abonne

Country Status (1)

Country Link
FR (1) FR2538661A1 (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601538A1 (fr) * 1986-07-09 1988-01-15 Radiotechnique Compelec Poste telephonique dont plusieurs fonctions electroniques sont alimentees par le courant de ligne et notamment la fonction d'ecoute amplifiee par haut-parleur
FR2616277B1 (fr) * 1987-06-05 1990-12-07 Thomson Semiconducteurs Circuit pour poste telephonique incorporant une protection contre les surcharges de tension
FR2627339B1 (fr) * 1988-02-11 1994-05-20 Matra Communication Circuit integre et appareil telephonique tele-alimente en comportant application
FR2655226B1 (fr) * 1989-11-30 1992-02-07 Alcatel Business Systems Agencement adaptateur pour circuit integre de poste ou terminal telephonique telealimente par une ligne de type analogique.
EP0547301B1 (en) * 1991-12-17 1998-02-18 STMicroelectronics S.r.l. Low-loss power feeding circuit for telephone apparatus
FR2714561B1 (fr) * 1993-12-27 1996-01-19 Alcatel Business Systems Agencement de gestion de courant de ligne pour poste téléphonique.
FR2767933A1 (fr) * 1997-08-27 1999-02-26 Philips Electronics Nv Circuit adaptateur de tension d'alimentation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH537679A (de) * 1971-10-29 1973-05-31 Sodeco Compteurs De Geneve Einrichtung zum Speisen von Zusatzgeräten bei Telephonsprechstellen
GB1406663A (en) * 1972-08-22 1975-09-17 Standard Telephones Cables Ltd Telphone subset circuits
DE2622122C3 (de) * 1976-05-18 1979-01-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Monolithisch integrierbare Schaltungsanordnung zum Schutz einer nachgeschalteten Baugruppe, insbesondere eines monolithisch integrierten Tonfrequenz-Tastwahl-Oszillators oder einer monolithisch integrierten Sprechschaltung in einer Fernsprechanlage
DE2931922C2 (de) * 1979-08-07 1982-03-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "Schaltungsanordnung zum Speisen einer eine konstante Betriebsspannung liefernden Stromversorgungseinrichtung"

Also Published As

Publication number Publication date
FR2538661A1 (fr) 1984-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse
CD Change of name or company name