FR2279287A1 - Unite d'alimentation a intensite constante - Google Patents

Unite d'alimentation a intensite constante

Info

Publication number
FR2279287A1
FR2279287A1 FR7424710A FR7424710A FR2279287A1 FR 2279287 A1 FR2279287 A1 FR 2279287A1 FR 7424710 A FR7424710 A FR 7424710A FR 7424710 A FR7424710 A FR 7424710A FR 2279287 A1 FR2279287 A1 FR 2279287A1
Authority
FR
France
Prior art keywords
bridge
lines
source
bridge circuit
transistor
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.)
Pending
Application number
FR7424710A
Other languages
English (en)
Inventor
Charles Huot
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT 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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7424710A priority Critical patent/FR2279287A1/fr
Publication of FR2279287A1 publication Critical patent/FR2279287A1/fr
Pending 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
    • H04M19/005—Feeding arrangements without the use of line transformers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7424710A 1974-07-16 1974-07-16 Unite d'alimentation a intensite constante Pending FR2279287A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7424710A FR2279287A1 (fr) 1974-07-16 1974-07-16 Unite d'alimentation a intensite constante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7424710A FR2279287A1 (fr) 1974-07-16 1974-07-16 Unite d'alimentation a intensite constante

Publications (1)

Publication Number Publication Date
FR2279287A1 true FR2279287A1 (fr) 1976-02-13

Family

ID=9141336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424710A Pending FR2279287A1 (fr) 1974-07-16 1974-07-16 Unite d'alimentation a intensite constante

Country Status (1)

Country Link
FR (1) FR2279287A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087647A (en) * 1977-05-25 1978-05-02 Bell Telephone Laboratories, Incorporated Circuit for supplying direct current to telephone station sets
FR2471100A1 (fr) * 1979-11-29 1981-06-12 Standard Telephones Cables Ltd Circuit d'alimentation de ligne telephonique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087647A (en) * 1977-05-25 1978-05-02 Bell Telephone Laboratories, Incorporated Circuit for supplying direct current to telephone station sets
FR2471100A1 (fr) * 1979-11-29 1981-06-12 Standard Telephones Cables Ltd Circuit d'alimentation de ligne telephonique

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