JPH0365185U - - Google Patents

Info

Publication number
JPH0365185U
JPH0365185U JP12762789U JP12762789U JPH0365185U JP H0365185 U JPH0365185 U JP H0365185U JP 12762789 U JP12762789 U JP 12762789U JP 12762789 U JP12762789 U JP 12762789U JP H0365185 U JPH0365185 U JP H0365185U
Authority
JP
Japan
Prior art keywords
power supply
mode display
supply switching
switching transistor
circuit
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
JP12762789U
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 JP12762789U priority Critical patent/JPH0365185U/ja
Publication of JPH0365185U publication Critical patent/JPH0365185U/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係るモード表示機
能付き電源切換回路の回路図、第２図ないし第４
図はそれぞれ第１図の実施例を変形した実施例の
回路図、第５図は従来例のモード表示機能付き電
源切換回路の回路図、第６図は別の従来例の回路
図である。 Ｑ１，Ｑ３，Ｑ５……電源切換用トランジスタ
、ＬＥＤ１，ＬＥＤ２，ＬＥＤ３……モード表示
用発光ダイオード、Ｑ２，Ｑ４，Ｑ６……ドライ
ブ用トランジスタ、Ｒ３，Ｒ６，Ｒ９……電流制
限抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. ＰＮＰ型の電源切換用トランジスタのエミツタ
    電源入力端子に接続され、コレクタが電源出力端
    子に接続されるとともに、この電源切換用トラン
    ジスタのベースとグランドとの間に、モード表示
    用発光素子とスイツチング素子との直列回路が介
    挿されたことを特徴とするモード表示機能付き電
    源切換回路。
JP12762789U 1989-10-30 1989-10-30 Pending JPH0365185U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12762789U JPH0365185U (ja) 1989-10-30 1989-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12762789U JPH0365185U (ja) 1989-10-30 1989-10-30

Publications (1)

Publication Number Publication Date
JPH0365185U true JPH0365185U (ja) 1991-06-25

Family

ID=31675377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12762789U Pending JPH0365185U (ja) 1989-10-30 1989-10-30

Country Status (1)

Country Link
JP (1) JPH0365185U (ja)

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