JPS59172026A - バツクアツプ用電池の電圧検出回路 - Google Patents

バツクアツプ用電池の電圧検出回路

Info

Publication number
JPS59172026A
JPS59172026A JP58045786A JP4578683A JPS59172026A JP S59172026 A JPS59172026 A JP S59172026A JP 58045786 A JP58045786 A JP 58045786A JP 4578683 A JP4578683 A JP 4578683A JP S59172026 A JPS59172026 A JP S59172026A
Authority
JP
Japan
Prior art keywords
voltage
battery
backup battery
circuit
main power
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
JP58045786A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0443291B2 (US06330241-20011211-M00004.png
Inventor
Tomoharu Hoshino
星野 智春
Teruhiko Iura
井浦 照彦
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 JP58045786A priority Critical patent/JPS59172026A/ja
Publication of JPS59172026A publication Critical patent/JPS59172026A/ja
Publication of JPH0443291B2 publication Critical patent/JPH0443291B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Direct Current Feeding And Distribution (AREA)
JP58045786A 1983-03-18 1983-03-18 バツクアツプ用電池の電圧検出回路 Granted JPS59172026A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58045786A JPS59172026A (ja) 1983-03-18 1983-03-18 バツクアツプ用電池の電圧検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58045786A JPS59172026A (ja) 1983-03-18 1983-03-18 バツクアツプ用電池の電圧検出回路

Publications (2)

Publication Number Publication Date
JPS59172026A true JPS59172026A (ja) 1984-09-28
JPH0443291B2 JPH0443291B2 (US06330241-20011211-M00004.png) 1992-07-16

Family

ID=12728958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58045786A Granted JPS59172026A (ja) 1983-03-18 1983-03-18 バツクアツプ用電池の電圧検出回路

Country Status (1)

Country Link
JP (1) JPS59172026A (US06330241-20011211-M00004.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677153U (US06330241-20011211-M00004.png) * 1979-11-16 1981-06-23
JPS5745248U (US06330241-20011211-M00004.png) * 1980-08-27 1982-03-12

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114591A (en) * 1978-02-27 1979-09-06 Sumitomo Chem Co Ltd Purification of polyolefin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677153U (US06330241-20011211-M00004.png) * 1979-11-16 1981-06-23
JPS5745248U (US06330241-20011211-M00004.png) * 1980-08-27 1982-03-12

Also Published As

Publication number Publication date
JPH0443291B2 (US06330241-20011211-M00004.png) 1992-07-16

Similar Documents

Publication Publication Date Title
JPS59172026A (ja) バツクアツプ用電池の電圧検出回路
JPH0117335B2 (US06330241-20011211-M00004.png)
JPH0624900Y2 (ja) メモリバックアップ電源装置
US8289181B2 (en) Power supply unit
GB2239747A (en) Data protection device
JPS63121436A (ja) バツクアツプ電源供給方式
JPS6091431A (ja) メモリセルの補助電源動作チエツク回路
JPS6146129A (ja) バツクアツプ電源装置
JPH02114827A (ja) バックアップ電源装置
JPS6234343Y2 (US06330241-20011211-M00004.png)
KR200225208Y1 (ko) 백업 배터리 스위치 상태 감지 장치
JPH0476711A (ja) メモリバックアップ電源回路
JPS5953920A (ja) バツクアツプ用電池切れ表示回路
JPS641806B2 (US06330241-20011211-M00004.png)
JPH0426992A (ja) 半導体記憶装置の電池回路
JPS58146862A (ja) 電池電圧確認装置
JPS61132044A (ja) メモリバツクアツプ装置
JPH08308143A (ja) 通信機用給電装置
JPS61132048A (ja) メモリバツクアツプ装置
JPS59133619A (ja) デ−タ保護装置
JPS6382292A (ja) エレベ−タの電源装置
JPH03121515A (ja) メモリカード
JPH04294477A (ja) メモリカードシステムの状態確認装置
JPS62290328A (ja) 通信装置のバツテリバツクアツプ回路
JPH04121357U (ja) バツクアツプ回路