JPH0258642B2 - - Google Patents

Info

Publication number
JPH0258642B2
JPH0258642B2 JP15251780A JP15251780A JPH0258642B2 JP H0258642 B2 JPH0258642 B2 JP H0258642B2 JP 15251780 A JP15251780 A JP 15251780A JP 15251780 A JP15251780 A JP 15251780A JP H0258642 B2 JPH0258642 B2 JP H0258642B2
Authority
JP
Japan
Prior art keywords
power supply
voltage
load
internal power
circuit
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
JP15251780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5775326A (en
Inventor
Nobuo Waki
Mitsuo Nakamura
Hiroshi Shimamori
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 JP15251780A priority Critical patent/JPS5775326A/ja
Publication of JPS5775326A publication Critical patent/JPS5775326A/ja
Publication of JPH0258642B2 publication Critical patent/JPH0258642B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
    • H04B14/066—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using differential modulation with several bits [NDPCM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
JP15251780A 1980-10-30 1980-10-30 Control system of power supply Granted JPS5775326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15251780A JPS5775326A (en) 1980-10-30 1980-10-30 Control system of power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15251780A JPS5775326A (en) 1980-10-30 1980-10-30 Control system of power supply

Publications (2)

Publication Number Publication Date
JPS5775326A JPS5775326A (en) 1982-05-11
JPH0258642B2 true JPH0258642B2 (https=) 1990-12-10

Family

ID=15542167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15251780A Granted JPS5775326A (en) 1980-10-30 1980-10-30 Control system of power supply

Country Status (1)

Country Link
JP (1) JPS5775326A (https=)

Also Published As

Publication number Publication date
JPS5775326A (en) 1982-05-11

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