JPH0268639U - - Google Patents

Info

Publication number
JPH0268639U
JPH0268639U JP14589588U JP14589588U JPH0268639U JP H0268639 U JPH0268639 U JP H0268639U JP 14589588 U JP14589588 U JP 14589588U JP 14589588 U JP14589588 U JP 14589588U JP H0268639 U JPH0268639 U JP H0268639U
Authority
JP
Japan
Prior art keywords
battery
ambient temperature
backup circuit
memory
comparison
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
JP14589588U
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 JP14589588U priority Critical patent/JPH0268639U/ja
Publication of JPH0268639U publication Critical patent/JPH0268639U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の一実施例におけるバツテリバ
ツクアツプ回路の構成図である。 １：サーミスタ、２：比較回路、３：スイツチ
回路、４：Ｎｉ―Ｃｄバツテリ（ＢＡＴ）、５：
バツクアツプＲＡＭへの電源（ＶＢ）、６：トラ
ンジスタ（ＴＲ２）。

Claims (1)

    【実用新案登録請求の範囲】
  1. メモリの電源がＯＦＦになると、バツテリから
    該メモリへ電圧を供給するバツテリバツクアツプ
    回路において、該バツテリの周囲温度を検出する
    手段と、該周囲温度と所定の設定温度とを比較す
    る手段と、該比較手段による比較の結果、該周囲
    温度が該設定温度を超えた場合、該バツテリへの
    充電電流をカツトする手段とを備えたことを特徴
    とするバツテリバツクアツプ回路。
JP14589588U 1988-11-08 1988-11-08 Pending JPH0268639U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14589588U JPH0268639U (ja) 1988-11-08 1988-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14589588U JPH0268639U (ja) 1988-11-08 1988-11-08

Publications (1)

Publication Number Publication Date
JPH0268639U true JPH0268639U (ja) 1990-05-24

Family

ID=31414886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14589588U Pending JPH0268639U (ja) 1988-11-08 1988-11-08

Country Status (1)

Country Link
JP (1) JPH0268639U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634128B2 (ja) * 1979-10-31 1988-01-27 Tokyo Shibaura Electric Co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634128B2 (ja) * 1979-10-31 1988-01-27 Tokyo Shibaura Electric Co

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