JPH0143326B2 - - Google Patents

Info

Publication number
JPH0143326B2
JPH0143326B2 JP57133463A JP13346382A JPH0143326B2 JP H0143326 B2 JPH0143326 B2 JP H0143326B2 JP 57133463 A JP57133463 A JP 57133463A JP 13346382 A JP13346382 A JP 13346382A JP H0143326 B2 JPH0143326 B2 JP H0143326B2
Authority
JP
Japan
Prior art keywords
power supply
voltage
terminal
transistor
ram
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
JP57133463A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5924323A (ja
Inventor
Shinichi Sekiguchi
Masashi Suzuki
Nobuo Matoba
Takashi Hayashi
Sachio Aoyama
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57133463A priority Critical patent/JPS5924323A/ja
Publication of JPS5924323A publication Critical patent/JPS5924323A/ja
Publication of JPH0143326B2 publication Critical patent/JPH0143326B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—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

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Power Sources (AREA)
  • Static Random-Access Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Stand-By Power Supply Arrangements (AREA)
JP57133463A 1982-07-29 1982-07-29 メモリ−バツクアツプ回路 Granted JPS5924323A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57133463A JPS5924323A (ja) 1982-07-29 1982-07-29 メモリ−バツクアツプ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57133463A JPS5924323A (ja) 1982-07-29 1982-07-29 メモリ−バツクアツプ回路

Publications (2)

Publication Number Publication Date
JPS5924323A JPS5924323A (ja) 1984-02-08
JPH0143326B2 true JPH0143326B2 (en:Method) 1989-09-20

Family

ID=15105367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57133463A Granted JPS5924323A (ja) 1982-07-29 1982-07-29 メモリ−バツクアツプ回路

Country Status (1)

Country Link
JP (1) JPS5924323A (en:Method)

Also Published As

Publication number Publication date
JPS5924323A (ja) 1984-02-08

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