FR2053924A5 - - Google Patents

Info

Publication number
FR2053924A5
FR2053924A5 FR7021698A FR7021698A FR2053924A5 FR 2053924 A5 FR2053924 A5 FR 2053924A5 FR 7021698 A FR7021698 A FR 7021698A FR 7021698 A FR7021698 A FR 7021698A FR 2053924 A5 FR2053924 A5 FR 2053924A5
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
FR7021698A
Other languages
French (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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Application granted granted Critical
Publication of FR2053924A5 publication Critical patent/FR2053924A5/fr
Expired legal-status Critical Current

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
    • H04M19/003—Arrangements for compensation of the DC flux in line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Coils Or Transformers For Communication (AREA)
FR7021698A 1969-06-18 1970-06-12 Expired FR2053924A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1831969 1969-06-18

Publications (1)

Publication Number Publication Date
FR2053924A5 true FR2053924A5 (enExample) 1971-04-16

Family

ID=11152687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7021698A Expired FR2053924A5 (enExample) 1969-06-18 1970-06-12

Country Status (7)

Country Link
US (1) US3665125A (enExample)
BE (1) BE747612A (enExample)
CH (1) CH512134A (enExample)
DE (1) DE2029750A1 (enExample)
FR (1) FR2053924A5 (enExample)
GB (1) GB1236897A (enExample)
NL (1) NL170078C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324176A1 (fr) * 1975-09-12 1977-04-08 Lannionnais Electronique Pont d'alimentation pour ligne telephonique
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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119432A (ja) * 1974-08-09 1976-02-16 Oki Electric Ind Co Ltd Chokuryudenryukyokyukairo
NL167816C (nl) * 1974-11-07 1982-01-18 Philips Nv Hoogfrequente signaaloverdrachtsinrichting.
US3987375A (en) * 1975-03-25 1976-10-19 Stromberg-Carlson Corporation Transmission bridge exhibiting reduced distortion
US4096363A (en) * 1977-05-24 1978-06-20 Bell Telephone Laboratories, Incorporated Transmission network including flux compensation
US4278940A (en) * 1979-04-25 1981-07-14 General Electric Company Means for automatically compensating DC magnetization in a transformer
DE2911517C2 (de) * 1979-03-23 1981-07-09 Siemens AG, 1000 Berlin und 8000 München Teilnehmeranschlußschaltung mit Erdtasten- und Isolationsfehlerindikation
DE2911584C2 (de) * 1979-03-23 1981-06-11 Siemens AG, 1000 Berlin und 8000 München Teilnehmeranschlußschaltung mit Erdtastenbetätigungsindikation, hochohmig schaltbarer Speisung und Einrichtung zur Rufsignalerzeugung
US4255705A (en) * 1979-09-24 1981-03-10 General Electric Company Peak detection and electronic compensation of D. C. saturation magnetization in current transformers used in watt hour meter installations
US4255704A (en) * 1979-10-01 1981-03-10 General Electric Company Zero crossing detection and electronic compensation of D. C. saturation magnetization in current transformers used in watthour meter installations
FR2817411B1 (fr) * 2000-11-27 2003-08-15 Aristide Polisois Amplificateur audio avec un transformateur de sortie adapte

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324176A1 (fr) * 1975-09-12 1977-04-08 Lannionnais Electronique Pont d'alimentation pour ligne telephonique
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
US3665125A (en) 1972-05-23
NL170078B (nl) 1982-04-16
BE747612A (fr) 1970-08-31
GB1236897A (en) 1971-06-23
NL170078C (nl) 1982-09-16
NL7008903A (enExample) 1970-12-22
DE2029750A1 (de) 1971-05-27
CH512134A (it) 1971-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse