JPH0349224B2 - - Google Patents

Info

Publication number
JPH0349224B2
JPH0349224B2 JP59120668A JP12066884A JPH0349224B2 JP H0349224 B2 JPH0349224 B2 JP H0349224B2 JP 59120668 A JP59120668 A JP 59120668A JP 12066884 A JP12066884 A JP 12066884A JP H0349224 B2 JPH0349224 B2 JP H0349224B2
Authority
JP
Japan
Prior art keywords
voltage
power supply
midpoint
inverting input
constant current
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
JP59120668A
Other languages
English (en)
Japanese (ja)
Other versions
JPS611160A (ja
Inventor
Kenji Takato
Mitsutoshi Ayano
Kyoshi Shibuya
Yoshimi Iijima
Atsuo Serikawa
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP59120668A priority Critical patent/JPS611160A/ja
Priority to CA000481865A priority patent/CA1233580A/en
Priority to US06/736,345 priority patent/US4631366A/en
Priority to KR1019850003559A priority patent/KR900000721B1/ko
Priority to EP85106415A priority patent/EP0163275B2/en
Priority to DE8585106415T priority patent/DE3576266D1/de
Priority to AU42834/85A priority patent/AU560001B2/en
Publication of JPS611160A publication Critical patent/JPS611160A/ja
Publication of JPH0349224B2 publication Critical patent/JPH0349224B2/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP59120668A 1984-05-26 1984-06-14 加入者回路の定電流給電回路 Granted JPS611160A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP59120668A JPS611160A (ja) 1984-06-14 1984-06-14 加入者回路の定電流給電回路
CA000481865A CA1233580A (en) 1984-05-26 1985-05-17 Battery feed circuit for subscriber line
US06/736,345 US4631366A (en) 1984-05-26 1985-05-21 Battery feed circuit for subscriber line
KR1019850003559A KR900000721B1 (ko) 1984-05-26 1985-05-23 가입자선용 급전회로
EP85106415A EP0163275B2 (en) 1984-05-26 1985-05-24 Battery feed circuit for subscriber line
DE8585106415T DE3576266D1 (de) 1984-05-26 1985-05-24 Speiseschaltung fuer eine teilnehmerleitung.
AU42834/85A AU560001B2 (en) 1984-05-26 1985-05-24 Battery feed circuit for subscriber line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59120668A JPS611160A (ja) 1984-06-14 1984-06-14 加入者回路の定電流給電回路

Publications (2)

Publication Number Publication Date
JPS611160A JPS611160A (ja) 1986-01-07
JPH0349224B2 true JPH0349224B2 (enrdf_load_stackoverflow) 1991-07-26

Family

ID=14791957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59120668A Granted JPS611160A (ja) 1984-05-26 1984-06-14 加入者回路の定電流給電回路

Country Status (1)

Country Link
JP (1) JPS611160A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0777508B2 (ja) * 1987-12-26 1995-08-16 神田通信工業株式会社 電子チョーク回路
JPH10334783A (ja) 1997-05-30 1998-12-18 Takamisawa Denki Seisakusho:Kk 電磁継電器および該電磁継電器の接点ばね組

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5389306A (en) * 1977-01-17 1978-08-05 Hitachi Ltd Dc current supplying circuit

Also Published As

Publication number Publication date
JPS611160A (ja) 1986-01-07

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