JPS5897720A - 電源回路 - Google Patents

電源回路

Info

Publication number
JPS5897720A
JPS5897720A JP56195933A JP19593381A JPS5897720A JP S5897720 A JPS5897720 A JP S5897720A JP 56195933 A JP56195933 A JP 56195933A JP 19593381 A JP19593381 A JP 19593381A JP S5897720 A JPS5897720 A JP S5897720A
Authority
JP
Japan
Prior art keywords
power supply
voltage
switching
circuit
load
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.)
Granted
Application number
JP56195933A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6353567B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Etsuo Yamane
山根　悦男
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 JP56195933A priority Critical patent/JPS5897720A/ja
Publication of JPS5897720A publication Critical patent/JPS5897720A/ja
Publication of JPS6353567B2 publication Critical patent/JPS6353567B2/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)
  • Power Sources (AREA)
  • Microcomputers (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Direct Current Feeding And Distribution (AREA)
JP56195933A 1981-12-04 1981-12-04 電源回路 Granted JPS5897720A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56195933A JPS5897720A (ja) 1981-12-04 1981-12-04 電源回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56195933A JPS5897720A (ja) 1981-12-04 1981-12-04 電源回路

Publications (2)

Publication Number Publication Date
JPS5897720A true JPS5897720A (ja) 1983-06-10
JPS6353567B2 JPS6353567B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-24

Family

ID=16349381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56195933A Granted JPS5897720A (ja) 1981-12-04 1981-12-04 電源回路

Country Status (1)

Country Link
JP (1) JPS5897720A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62134136U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1986-02-17 1987-08-24
JP2008026308A (ja) * 2006-07-17 2008-02-07 O2 Micro Inc 電池電圧の監視

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660599U (ja) * 1991-08-28 1994-08-23 ホ リー カンパニー リミテッド ゴム筏に使う分解可能な羽根プロペラの新型結構

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535016A (en) * 1976-07-06 1978-01-18 Nippon Steel Corp Steel for machine structural use having excellent machinability
JPS5378139A (en) * 1976-12-22 1978-07-11 Fuji Electric Co Ltd Processor stopping system
JPS53116750A (en) * 1977-03-23 1978-10-12 Citizen Watch Co Ltd Portable electronic unit
JPS5472436U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1977-11-01 1979-05-23

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535016A (en) * 1976-07-06 1978-01-18 Nippon Steel Corp Steel for machine structural use having excellent machinability
JPS5378139A (en) * 1976-12-22 1978-07-11 Fuji Electric Co Ltd Processor stopping system
JPS53116750A (en) * 1977-03-23 1978-10-12 Citizen Watch Co Ltd Portable electronic unit
JPS5472436U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1977-11-01 1979-05-23

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62134136U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1986-02-17 1987-08-24
JP2008026308A (ja) * 2006-07-17 2008-02-07 O2 Micro Inc 電池電圧の監視
US8294424B2 (en) 2006-07-17 2012-10-23 O2Micro International Limited Monitoring battery cell voltage
US8310206B2 (en) 2006-07-17 2012-11-13 O2Micro International Limited Monitoring battery cell voltage

Also Published As

Publication number Publication date
JPS6353567B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-24

Similar Documents

Publication Publication Date Title
US4874960A (en) Programmable controller capacitor and battery backed ram memory board
US4647787A (en) Backup battery power supply for microprocessor based telephones
US5475332A (en) Power source circuit
JPS5897720A (ja) 電源回路
JPS5897719A (ja) 電源回路
JPS5897721A (ja) 電源回路
JPH0124656Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01269114A (ja) リセツト回路
JPS6353566B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH1070837A (ja) 電源バックアップ用キャパシタの充放電回路
JPS6395825A (ja) バツクアツプ電源回路
JPS6137077Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6134634B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0338711A (ja) メモリバックアップ方式
KR930002027Y1 (ko) 백업 안정화 회로
JPS63244289A (ja) メモリ−カ−ド
JPS63288309A (ja) 電子機器の電源スイッチング制御回路
JPS6260437A (ja) 電源バツクアツプ回路
JPS6234359Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH086674A (ja) 電源検出回路
JPH09107641A (ja) 直流−直流コンバータを用いた電源バックアップ装置
SU1365133A1 (ru) Запоминающее устройство с сохранением информации при отключении питани
JPS61177523A (ja) Ｒａｍバツクアツプ用電源切替え回路
KR200157748Y1 (ko) 정전 보상회로
JPH0313784Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)