JPS52102608A - Direct current supllier circuit - Google Patents

Direct current supllier circuit

Info

Publication number
JPS52102608A
JPS52102608A JP1897876A JP1897876A JPS52102608A JP S52102608 A JPS52102608 A JP S52102608A JP 1897876 A JP1897876 A JP 1897876A JP 1897876 A JP1897876 A JP 1897876A JP S52102608 A JPS52102608 A JP S52102608A
Authority
JP
Japan
Prior art keywords
direct current
supllier
circuit
insettion
power consumption
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.)
Pending
Application number
JP1897876A
Other languages
Japanese (ja)
Inventor
Kenzo Tamaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1897876A priority Critical patent/JPS52102608A/en
Publication of JPS52102608A publication Critical patent/JPS52102608A/en
Pending 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
    • H04M19/003—Arrangements for compensation of the DC flux in 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)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE:To cancel out d.c. field to decrease power consumption, and to reduce the insettion loss resulting from an a.c. signal, by providing a tertiary winding in a transformer supplying a communication terminal with direct current.
JP1897876A 1976-02-25 1976-02-25 Direct current supllier circuit Pending JPS52102608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1897876A JPS52102608A (en) 1976-02-25 1976-02-25 Direct current supllier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1897876A JPS52102608A (en) 1976-02-25 1976-02-25 Direct current supllier circuit

Publications (1)

Publication Number Publication Date
JPS52102608A true JPS52102608A (en) 1977-08-29

Family

ID=11986702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1897876A Pending JPS52102608A (en) 1976-02-25 1976-02-25 Direct current supllier circuit

Country Status (1)

Country Link
JP (1) JPS52102608A (en)

Similar Documents

Publication Publication Date Title
JPS5436557A (en) Constant current circuit
JPS52102608A (en) Direct current supllier circuit
JPS535755A (en) Power source c ircuit
JPS52115610A (en) Signal transmission circuit
JPS52106660A (en) Antenna
JPS5238807A (en) Signal transmission unit
JPS524720A (en) Two-ways constant current circuit
JPS5310203A (en) Telephone circuit
JPS53120235A (en) Sense amplifier
JPS51128208A (en) Idling power saving
JPS5236402A (en) Tone-ringer circuit for telephone
JPS5317952A (en) Power supply circuit
JPS52149743A (en) Elevator starting control device
JPS5317214A (en) Direct current supply circuit
JPS53100708A (en) Current supply circuit
JPS5338206A (en) Switch driver circuit
JPS522109A (en) Dc current supplying circuit
JPS534446A (en) Waveguide type field effect transistor
JPS5336408A (en) Digital loop transmission system
JPS5367335A (en) Integrated circuit formation current matching circuit
JPS536728A (en) Ignition circuit
JPS53106508A (en) Power supply circuit for telephone set
JPS535904A (en) Terminal unit
JPS52124803A (en) Signal send/receiving
JPS53106507A (en) Power supply circuit using transformer