JPS63131540U - - Google Patents

Info

Publication number
JPS63131540U
JPS63131540U JP2079387U JP2079387U JPS63131540U JP S63131540 U JPS63131540 U JP S63131540U JP 2079387 U JP2079387 U JP 2079387U JP 2079387 U JP2079387 U JP 2079387U JP S63131540 U JPS63131540 U JP S63131540U
Authority
JP
Japan
Prior art keywords
circuit
power supply
supply switching
switching circuit
switching
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
JP2079387U
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 JP2079387U priority Critical patent/JPS63131540U/ja
Publication of JPS63131540U publication Critical patent/JPS63131540U/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図は本考案の一実施例の電源切り替え回路
の構成図、第2図は動作モード検出回路出力及び
ゲート回路出力を示す波形図、第3図は継電器を
用いた従来の電源切り替え回路の構成図、第4図
はトランジスタを用いた従来の電源切り替え回路
の構成図である。 1…定電圧回路、2…バツテリー、3,4,5
…トランジスタ、6,7…抵抗、8…ゲート回路
、9…ワンシヨツト回路、10…負荷回路、11
…動作モード検出回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 定電圧電源とバツテリーとを切り替えて負荷回
    路に電源供給を行なうための電源切り替え回路に
    おいて、 負荷回路の動作モードを検出する検出回路と、 該検出回路の出力に応じて切り替え回路の消費
    電流を制御する制御回路とを設けたことを特徴と
    する電源切り替え回路。
JP2079387U 1987-02-17 1987-02-17 Pending JPS63131540U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2079387U JPS63131540U (ja) 1987-02-17 1987-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2079387U JPS63131540U (ja) 1987-02-17 1987-02-17

Publications (1)

Publication Number Publication Date
JPS63131540U true JPS63131540U (ja) 1988-08-29

Family

ID=30816631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2079387U Pending JPS63131540U (ja) 1987-02-17 1987-02-17

Country Status (1)

Country Link
JP (1) JPS63131540U (ja)

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