JPH0637471Y2 - メモリバックアップ装置 - Google Patents

メモリバックアップ装置

Info

Publication number
JPH0637471Y2
JPH0637471Y2 JP1987183278U JP18327887U JPH0637471Y2 JP H0637471 Y2 JPH0637471 Y2 JP H0637471Y2 JP 1987183278 U JP1987183278 U JP 1987183278U JP 18327887 U JP18327887 U JP 18327887U JP H0637471 Y2 JPH0637471 Y2 JP H0637471Y2
Authority
JP
Japan
Prior art keywords
data
voltage
battery
output
signal
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 - Lifetime
Application number
JP1987183278U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0187451U (OSRAM
Inventor
博 諸星
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP1987183278U priority Critical patent/JPH0637471Y2/ja
Publication of JPH0187451U publication Critical patent/JPH0187451U/ja
Application granted granted Critical
Publication of JPH0637471Y2 publication Critical patent/JPH0637471Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP1987183278U 1987-11-30 1987-11-30 メモリバックアップ装置 Expired - Lifetime JPH0637471Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987183278U JPH0637471Y2 (ja) 1987-11-30 1987-11-30 メモリバックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987183278U JPH0637471Y2 (ja) 1987-11-30 1987-11-30 メモリバックアップ装置

Publications (2)

Publication Number Publication Date
JPH0187451U JPH0187451U (OSRAM) 1989-06-09
JPH0637471Y2 true JPH0637471Y2 (ja) 1994-09-28

Family

ID=31474707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987183278U Expired - Lifetime JPH0637471Y2 (ja) 1987-11-30 1987-11-30 メモリバックアップ装置

Country Status (1)

Country Link
JP (1) JPH0637471Y2 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2728964B2 (ja) * 1990-01-30 1998-03-18 キヤノン株式会社 カメラのデータ記録装置及びカメラ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108534U (ja) * 1982-01-14 1983-07-23 横河電機株式会社 揮発性メモリのバツテリバツクアツプ装置
JPS59178694A (ja) * 1983-03-30 1984-10-09 Hitachi Ltd 外部記憶装置
JPS6027922A (ja) * 1983-07-26 1985-02-13 Canon Inc 電子機器
JPS61101440U (OSRAM) * 1984-12-07 1986-06-28
JPS61115236U (OSRAM) * 1984-12-28 1986-07-21
JPS6227843A (ja) * 1985-07-29 1987-02-05 Sharp Corp 電子装置
JPS6293739A (ja) * 1985-10-19 1987-04-30 Fujitsu Ltd プロセツサの内部メモリ保護方式

Also Published As

Publication number Publication date
JPH0187451U (OSRAM) 1989-06-09

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