JPS6454131U - - Google Patents

Info

Publication number
JPS6454131U
JPS6454131U JP14991387U JP14991387U JPS6454131U JP S6454131 U JPS6454131 U JP S6454131U JP 14991387 U JP14991387 U JP 14991387U JP 14991387 U JP14991387 U JP 14991387U JP S6454131 U JPS6454131 U JP S6454131U
Authority
JP
Japan
Prior art keywords
circuit
power supply
electronic circuit
auxiliary power
abnormality
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
JP14991387U
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 JP14991387U priority Critical patent/JPS6454131U/ja
Publication of JPS6454131U publication Critical patent/JPS6454131U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Static Random-Access Memory (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の構成を示すブロツ
ク図、第２図は従来のメモリバツクアツプシステ
ムの構成を示すブロツク図である。 １…ＣＰＵ、２…メモリ、３…システム電源、
４…バツテリ、５…高電圧異常検出器、６…低電
圧異常検出器、７…フリツプフロツプ、８…ＦＦ
制御および呼出し回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 主電源の供給停止時に補助電源により所定
    の機能を継続する電子回路と、前記補助電源の出
    力電圧異常を検出する検出回路と、前記検出回路
    が前記電圧異常を検出したことを示す情報を保持
    する情報保持回路と、前記情報保持回路の状態か
    ら前記主電源の供給開始後における前記電子回路
    の機能の正当性を判断する中央制御回路とからな
    ることを特徴とする回路バツクアツプシステム。 (2) 前記電子回路が、メモリである実用新案登
    録請求の範囲第１項記載の回路バツクアツプシス
    テム。
JP14991387U 1987-09-30 1987-09-30 Pending JPS6454131U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14991387U JPS6454131U (ja) 1987-09-30 1987-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14991387U JPS6454131U (ja) 1987-09-30 1987-09-30

Publications (1)

Publication Number Publication Date
JPS6454131U true JPS6454131U (ja) 1989-04-04

Family

ID=31422578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14991387U Pending JPS6454131U (ja) 1987-09-30 1987-09-30

Country Status (1)

Country Link
JP (1) JPS6454131U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141059A (ja) * 1984-12-14 1986-06-28 Matsushita Electric Ind Co Ltd 端末装置
JPS62138943A (ja) * 1985-12-12 1987-06-22 Mitsubishi Electric Corp メモリ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141059A (ja) * 1984-12-14 1986-06-28 Matsushita Electric Ind Co Ltd 端末装置
JPS62138943A (ja) * 1985-12-12 1987-06-22 Mitsubishi Electric Corp メモリ装置

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