JPS5370707A - Feeder circuit - Google Patents

Feeder circuit

Info

Publication number
JPS5370707A
JPS5370707A JP14730576A JP14730576A JPS5370707A JP S5370707 A JPS5370707 A JP S5370707A JP 14730576 A JP14730576 A JP 14730576A JP 14730576 A JP14730576 A JP 14730576A JP S5370707 A JPS5370707 A JP S5370707A
Authority
JP
Japan
Prior art keywords
feeder circuit
transformer
reduce
telephone set
subscriber telephone
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
JP14730576A
Other languages
Japanese (ja)
Inventor
Osamu Enomoto
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP14730576A priority Critical patent/JPS5370707A/en
Publication of JPS5370707A publication Critical patent/JPS5370707A/en
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
    • H04M19/003—Arrangements for compensation of the DC flux in line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE:To reduce the property deterioration caused by the direct current piling of a transformer by performing a constant current feeding for the subscriber telephone set from one end of the transformer.
JP14730576A 1976-12-07 1976-12-07 Feeder circuit Pending JPS5370707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14730576A JPS5370707A (en) 1976-12-07 1976-12-07 Feeder circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14730576A JPS5370707A (en) 1976-12-07 1976-12-07 Feeder circuit

Publications (1)

Publication Number Publication Date
JPS5370707A true JPS5370707A (en) 1978-06-23

Family

ID=15427182

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14730576A Pending JPS5370707A (en) 1976-12-07 1976-12-07 Feeder circuit

Country Status (1)

Country Link
JP (1) JPS5370707A (en)

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