JPH01137480U - - Google Patents

Info

Publication number
JPH01137480U
JPH01137480U JP3477788U JP3477788U JPH01137480U JP H01137480 U JPH01137480 U JP H01137480U JP 3477788 U JP3477788 U JP 3477788U JP 3477788 U JP3477788 U JP 3477788U JP H01137480 U JPH01137480 U JP H01137480U
Authority
JP
Japan
Prior art keywords
comparator
power supply
supply voltage
resistor
output
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
JP3477788U
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 JP3477788U priority Critical patent/JPH01137480U/ja
Publication of JPH01137480U publication Critical patent/JPH01137480U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
図は本考案に係る電源電圧監視装置の一実施例
を示す図である。 1〜3…コンパレータ、4…オアゲート、R1
〜R6…抵抗、PD1〜PD3…発光ダイオード

Claims (1)

  1. 【実用新案登録請求の範囲】 基準電圧Vr1と監視対象の電源電圧V1とを
    比較するオープン・コレクタ出力のコンパレータ
    1と、 このコンパレータの出力端と電源電圧監視装置
    の電源VCCとの間に接続されるランプと抵抗の
    直列回路と、 このコンパレータの出力端と回路アースとの間
    に接続される抵抗R4と、 各監視対象の電源ごとに設けられた前記各コン
    パレータの出力を導入するオアゲートと、 を備えた電源電圧監視装置。
JP3477788U 1988-03-16 1988-03-16 Pending JPH01137480U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3477788U JPH01137480U (ja) 1988-03-16 1988-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3477788U JPH01137480U (ja) 1988-03-16 1988-03-16

Publications (1)

Publication Number Publication Date
JPH01137480U true JPH01137480U (ja) 1989-09-20

Family

ID=31261454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3477788U Pending JPH01137480U (ja) 1988-03-16 1988-03-16

Country Status (1)

Country Link
JP (1) JPH01137480U (ja)

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