JPS632187B2 - - Google Patents

Info

Publication number
JPS632187B2
JPS632187B2 JP55151754A JP15175480A JPS632187B2 JP S632187 B2 JPS632187 B2 JP S632187B2 JP 55151754 A JP55151754 A JP 55151754A JP 15175480 A JP15175480 A JP 15175480A JP S632187 B2 JPS632187 B2 JP S632187B2
Authority
JP
Japan
Prior art keywords
terminal
power supply
resistor
circuit
transistor
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
JP55151754A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5775060A (en
Inventor
Masahiko Oono
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 JP15175480A priority Critical patent/JPS5775060A/ja
Publication of JPS5775060A publication Critical patent/JPS5775060A/ja
Publication of JPS632187B2 publication Critical patent/JPS632187B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/001Current supply source at the exchanger providing current to substations
    • H04M19/005Feeding arrangements without the use of line transformers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing 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)
JP15175480A 1980-10-28 1980-10-28 Current supply circuit having power source noise eliminating circuit Granted JPS5775060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15175480A JPS5775060A (en) 1980-10-28 1980-10-28 Current supply circuit having power source noise eliminating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15175480A JPS5775060A (en) 1980-10-28 1980-10-28 Current supply circuit having power source noise eliminating circuit

Publications (2)

Publication Number Publication Date
JPS5775060A JPS5775060A (en) 1982-05-11
JPS632187B2 true JPS632187B2 (en]) 1988-01-18

Family

ID=15525557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15175480A Granted JPS5775060A (en) 1980-10-28 1980-10-28 Current supply circuit having power source noise eliminating circuit

Country Status (1)

Country Link
JP (1) JPS5775060A (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087647A (en) * 1977-05-25 1978-05-02 Bell Telephone Laboratories, Incorporated Circuit for supplying direct current to telephone station sets

Also Published As

Publication number Publication date
JPS5775060A (en) 1982-05-11

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