JPS6236424B2 - - Google Patents

Info

Publication number
JPS6236424B2
JPS6236424B2 JP11503579A JP11503579A JPS6236424B2 JP S6236424 B2 JPS6236424 B2 JP S6236424B2 JP 11503579 A JP11503579 A JP 11503579A JP 11503579 A JP11503579 A JP 11503579A JP S6236424 B2 JPS6236424 B2 JP S6236424B2
Authority
JP
Japan
Prior art keywords
current
telephone
circuit
terminal
exchange
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.)
Expired
Application number
JP11503579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5639673A (en
Inventor
Kunio Nagashima
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP11503579A priority Critical patent/JPS5639673A/ja
Publication of JPS5639673A publication Critical patent/JPS5639673A/ja
Publication of JPS6236424B2 publication Critical patent/JPS6236424B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP11503579A 1979-09-07 1979-09-07 Electric talking current supply circuit Granted JPS5639673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11503579A JPS5639673A (en) 1979-09-07 1979-09-07 Electric talking current supply circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11503579A JPS5639673A (en) 1979-09-07 1979-09-07 Electric talking current supply circuit

Publications (2)

Publication Number Publication Date
JPS5639673A JPS5639673A (en) 1981-04-15
JPS6236424B2 true JPS6236424B2 (fr) 1987-08-06

Family

ID=14652585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11503579A Granted JPS5639673A (en) 1979-09-07 1979-09-07 Electric talking current supply circuit

Country Status (1)

Country Link
JP (1) JPS5639673A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0738735B2 (ja) * 1985-04-30 1995-04-26 岩崎通信機株式会社 ボタン電話装置
JP2591245B2 (ja) * 1990-04-16 1997-03-19 日本電気株式会社 多重化装置の回線対応部における消費電力削減方式

Also Published As

Publication number Publication date
JPS5639673A (en) 1981-04-15

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