JPS63103127U - - Google Patents

Info

Publication number
JPS63103127U
JPS63103127U JP19583086U JP19583086U JPS63103127U JP S63103127 U JPS63103127 U JP S63103127U JP 19583086 U JP19583086 U JP 19583086U JP 19583086 U JP19583086 U JP 19583086U JP S63103127 U JPS63103127 U JP S63103127U
Authority
JP
Japan
Prior art keywords
memory
power source
main power
backup circuit
memory backup
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.)
Pending
Application number
JP19583086U
Other languages
English (en)
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 filed Critical
Priority to JP19583086U priority Critical patent/JPS63103127U/ja
Publication of JPS63103127U publication Critical patent/JPS63103127U/ja
Pending legal-status Critical Current

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Landscapes

  • Power Sources (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す回路図、第2
図は従来例を示す回路図である。 1……メモリ、2……電池、3,3a,3b,
3c……ダイオード、4……コンデンサ、5……
抵抗器、6……トランジスタ、7……電圧監視回
路。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 主電源とメモリバツクアツプのためのメモ
    リ電源との間に一端が接続され、他端が基準電位
    に接続されたコンデンサを具えたメモリバツクア
    ツプ回路において、 前記一端と前記メモリ電源との間に、前記主電
    源から前記メモリ電源へ順方向に接続した整流素
    子を有することを特徴とするメモリバツクアツプ
    回路。 (2) 実用新案登録請求の範囲第1項記載のメモ
    リバツクアツプ回路において、前記一端と前記主
    電源との間に、前記主電源から前記一端へ順方向
    に接続した第2の整流素子を有することを特徴と
    するメモリバツクアツプ回路。
JP19583086U 1986-12-22 1986-12-22 Pending JPS63103127U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19583086U JPS63103127U (ja) 1986-12-22 1986-12-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19583086U JPS63103127U (ja) 1986-12-22 1986-12-22

Publications (1)

Publication Number Publication Date
JPS63103127U true JPS63103127U (ja) 1988-07-04

Family

ID=31154081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19583086U Pending JPS63103127U (ja) 1986-12-22 1986-12-22

Country Status (1)

Country Link
JP (1) JPS63103127U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140412A (ja) * 1983-12-28 1985-07-25 Hitachi Maxell Ltd メモリバツクアツプ回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140412A (ja) * 1983-12-28 1985-07-25 Hitachi Maxell Ltd メモリバツクアツプ回路

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