JP2577531Y2 - 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
JP2577531Y2
JP2577531Y2 JP1987183279U JP18327987U JP2577531Y2 JP 2577531 Y2 JP2577531 Y2 JP 2577531Y2 JP 1987183279 U JP1987183279 U JP 1987183279U JP 18327987 U JP18327987 U JP 18327987U JP 2577531 Y2 JP2577531 Y2 JP 2577531Y2
Authority
JP
Japan
Prior art keywords
data
memory
battery
signal
voltage
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
JP1987183279U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0187452U (enrdf_load_stackoverflow
Inventor
克己 室井
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 JP1987183279U priority Critical patent/JP2577531Y2/ja
Publication of JPH0187452U publication Critical patent/JPH0187452U/ja
Application granted granted Critical
Publication of JP2577531Y2 publication Critical patent/JP2577531Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • Electric Clocks (AREA)
  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP1987183279U 1987-11-30 1987-11-30 メモリバックアップ装置 Expired - Lifetime JP2577531Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987183279U JP2577531Y2 (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
JP1987183279U JP2577531Y2 (ja) 1987-11-30 1987-11-30 メモリバックアップ装置

Publications (2)

Publication Number Publication Date
JPH0187452U JPH0187452U (enrdf_load_stackoverflow) 1989-06-09
JP2577531Y2 true JP2577531Y2 (ja) 1998-07-30

Family

ID=31474708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987183279U Expired - Lifetime JP2577531Y2 (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) JP2577531Y2 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58199494A (ja) * 1982-05-14 1983-11-19 Citizen Watch Co Ltd 小型電子機器
JPS6229733U (enrdf_load_stackoverflow) * 1985-08-02 1987-02-23
JPS62105525U (enrdf_load_stackoverflow) * 1985-12-23 1987-07-06

Also Published As

Publication number Publication date
JPH0187452U (enrdf_load_stackoverflow) 1989-06-09

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