JPH0454444U - - Google Patents

Info

Publication number
JPH0454444U
JPH0454444U JP9440890U JP9440890U JPH0454444U JP H0454444 U JPH0454444 U JP H0454444U JP 9440890 U JP9440890 U JP 9440890U JP 9440890 U JP9440890 U JP 9440890U JP H0454444 U JPH0454444 U JP H0454444U
Authority
JP
Japan
Prior art keywords
circuit
power source
relay
power
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
JP9440890U
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 JP9440890U priority Critical patent/JPH0454444U/ja
Publication of JPH0454444U publication Critical patent/JPH0454444U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Stand-By Power Supply Arrangements (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例の回路図である。 1……回路、2……主電源、3……予備電源、
4……リレー、5……ダイオード、6……コンデ
ンサ、7……制御回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 回路に電源供給するための主電源および予備電
    源と、前記回路の電源線間に接続したコンデンサ
    と、前記予備電源の前記回路への接続を切断する
    ためのリレーと、前記主電源の切断状態が予め設
    定した時間長にわたるのを検出したとき前記回路
    の前記電源線を前記リレーに接続して前記予備電
    源の前記回路への接続を断状態に切替えさせる制
    御回路とを備えていることを特徴とする二重電源
    保護回路。
JP9440890U 1990-09-07 1990-09-07 Pending JPH0454444U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9440890U JPH0454444U (ja) 1990-09-07 1990-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9440890U JPH0454444U (ja) 1990-09-07 1990-09-07

Publications (1)

Publication Number Publication Date
JPH0454444U true JPH0454444U (ja) 1992-05-11

Family

ID=31832320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9440890U Pending JPH0454444U (ja) 1990-09-07 1990-09-07

Country Status (1)

Country Link
JP (1) JPH0454444U (ja)

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