JPS56143753A - Call current supply circuit - Google Patents

Call current supply circuit

Info

Publication number
JPS56143753A
JPS56143753A JP4665580A JP4665580A JPS56143753A JP S56143753 A JPS56143753 A JP S56143753A JP 4665580 A JP4665580 A JP 4665580A JP 4665580 A JP4665580 A JP 4665580A JP S56143753 A JPS56143753 A JP S56143753A
Authority
JP
Japan
Prior art keywords
constant
current
capacitor
power source
voltage
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
JP4665580A
Other languages
English (en)
Inventor
Toshihisa Yoshida
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4665580A priority Critical patent/JPS56143753A/ja
Publication of JPS56143753A publication Critical patent/JPS56143753A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP4665580A 1980-04-09 1980-04-09 Call current supply circuit Pending JPS56143753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4665580A JPS56143753A (en) 1980-04-09 1980-04-09 Call current supply circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4665580A JPS56143753A (en) 1980-04-09 1980-04-09 Call current supply circuit

Publications (1)

Publication Number Publication Date
JPS56143753A true JPS56143753A (en) 1981-11-09

Family

ID=12753329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4665580A Pending JPS56143753A (en) 1980-04-09 1980-04-09 Call current supply circuit

Country Status (1)

Country Link
JP (1) JPS56143753A (ja)

Similar Documents

Publication Publication Date Title
KR890005958A (ko) 스위칭 전원회로
DE3883305D1 (de) Gleichspannungsversorgungsschaltung.
DE69202208D1 (de) Integrierte Spannungsreglerschaltung mit hoher Stabilität und geringen Leistungsverbrauch-Merkmalen.
GB967600A (en) Improvements in or relating to an electric circuit arrangement for full-wave rectification
JPS56143753A (en) Call current supply circuit
DE3878140D1 (de) Schaltnetzteil.
DE69020100D1 (de) Speiseschaltung für Gleichspannungsregler mit spannungserhöhender Schaltanordnung.
JPS6421423A (en) Charge stopping device in flash light generation device
JPS5511730A (en) Power supply device for spark machining
JPS5799032A (en) Alternating current two-wire type contactless switch
EP0104397A3 (en) Circuit to decrease the power consumption of a discharge lamp
SU1677823A1 (ru) Способ управлени преобразователем переменного напр жени в посто нное
JPS5713971A (en) Rectifying circuit
JPS56121364A (en) Power source circuit
JPS5539458A (en) Power unit for horizontal oscillation circuit
JPS5743209A (en) Regulated power supply
GB1431262A (en) Power supply apparatus
KR900006663Y1 (ko) 수분측정기용 dc/dc콘버어터회로
JPS6434181A (en) Dc voltage detection circuit of invertor device
JPS56159716A (en) Direct-current electric power device
JPS5710821A (en) Constant voltage power supply circuit
JPS6424233A (en) Driving system for liquid crystal display device of device mounted with internal combustion engine
JPS6460991A (en) Induction heating cooker
JPS56145773A (en) Dc negative voltage generating circuit
JPS5534731A (en) Automatic voltage switching circuit