JPH0415656B2 - - Google Patents

Info

Publication number
JPH0415656B2
JPH0415656B2 JP56200154A JP20015481A JPH0415656B2 JP H0415656 B2 JPH0415656 B2 JP H0415656B2 JP 56200154 A JP56200154 A JP 56200154A JP 20015481 A JP20015481 A JP 20015481A JP H0415656 B2 JPH0415656 B2 JP H0415656B2
Authority
JP
Japan
Prior art keywords
current
circuit
supply
switch circuit
gate
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 - Lifetime
Application number
JP56200154A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58101556A (ja
Inventor
Ichiro Oohigata
Junjiro Kitano
Toshio Hayashi
Toshuki Tawara
Isamu Ueki
Kenzo Takada
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP56200154A priority Critical patent/JPS58101556A/ja
Publication of JPS58101556A publication Critical patent/JPS58101556A/ja
Publication of JPH0415656B2 publication Critical patent/JPH0415656B2/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)
JP56200154A 1981-12-14 1981-12-14 直流供給遮断回路 Granted JPS58101556A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56200154A JPS58101556A (ja) 1981-12-14 1981-12-14 直流供給遮断回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56200154A JPS58101556A (ja) 1981-12-14 1981-12-14 直流供給遮断回路

Publications (2)

Publication Number Publication Date
JPS58101556A JPS58101556A (ja) 1983-06-16
JPH0415656B2 true JPH0415656B2 (enrdf_load_stackoverflow) 1992-03-18

Family

ID=16419681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56200154A Granted JPS58101556A (ja) 1981-12-14 1981-12-14 直流供給遮断回路

Country Status (1)

Country Link
JP (1) JPS58101556A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603258A (ja) * 1983-06-21 1985-01-09 Oki Electric Ind Co Ltd 極性反転方式

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4424825Y1 (enrdf_load_stackoverflow) * 1966-02-16 1969-10-20
JPS51114856A (en) * 1975-04-01 1976-10-08 Mitsubishi Electric Corp Semiconductor switch
JPS545649A (en) * 1977-06-15 1979-01-17 Mitsubishi Electric Corp Gate turn-off thyristor
JPS587105B2 (ja) * 1979-01-17 1983-02-08 日本電気株式会社 端末起動方式

Also Published As

Publication number Publication date
JPS58101556A (ja) 1983-06-16

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