JPS59212099A - 直流供給及び監視回路 - Google Patents

直流供給及び監視回路

Info

Publication number
JPS59212099A
JPS59212099A JP58087086A JP8708683A JPS59212099A JP S59212099 A JPS59212099 A JP S59212099A JP 58087086 A JP58087086 A JP 58087086A JP 8708683 A JP8708683 A JP 8708683A JP S59212099 A JPS59212099 A JP S59212099A
Authority
JP
Japan
Prior art keywords
voltage
load
power supply
circuit
operational amplifier
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.)
Granted
Application number
JP58087086A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0259677B2 (enrdf_load_stackoverflow
Inventor
Toshio Oota
智市郎 太田
Kazuo Saito
西塔　和夫
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.)
Nippon Telegraph and Telephone Corp
Sanken Electric Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sanken 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 Telegraph and Telephone Corp, Sanken Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP58087086A priority Critical patent/JPS59212099A/ja
Publication of JPS59212099A publication Critical patent/JPS59212099A/ja
Publication of JPH0259677B2 publication Critical patent/JPH0259677B2/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
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP58087086A 1983-05-17 1983-05-17 直流供給及び監視回路 Granted JPS59212099A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58087086A JPS59212099A (ja) 1983-05-17 1983-05-17 直流供給及び監視回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58087086A JPS59212099A (ja) 1983-05-17 1983-05-17 直流供給及び監視回路

Publications (2)

Publication Number Publication Date
JPS59212099A true JPS59212099A (ja) 1984-11-30
JPH0259677B2 JPH0259677B2 (enrdf_load_stackoverflow) 1990-12-13

Family

ID=13905133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58087086A Granted JPS59212099A (ja) 1983-05-17 1983-05-17 直流供給及び監視回路

Country Status (1)

Country Link
JP (1) JPS59212099A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623090A (en) * 1979-07-31 1981-03-04 Mitel Corp Telephone line circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623090A (en) * 1979-07-31 1981-03-04 Mitel Corp Telephone line circuit

Also Published As

Publication number Publication date
JPH0259677B2 (enrdf_load_stackoverflow) 1990-12-13

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