JPH01143300U - - Google Patents

Info

Publication number
JPH01143300U
JPH01143300U JP3888588U JP3888588U JPH01143300U JP H01143300 U JPH01143300 U JP H01143300U JP 3888588 U JP3888588 U JP 3888588U JP 3888588 U JP3888588 U JP 3888588U JP H01143300 U JPH01143300 U JP H01143300U
Authority
JP
Japan
Prior art keywords
voltage source
circuit
switching means
series circuit
capacitor
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
JP3888588U
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 JP3888588U priority Critical patent/JPH01143300U/ja
Publication of JPH01143300U publication Critical patent/JPH01143300U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案の励磁回路の回路図、第2図は
動作時の電圧の波形図、第3図は動作時の電流の
波形図、第4図は他の実施例の回路図である。 1……励磁回路、2……低電圧源、3……高電
圧源、6……スイツチングトランジスタ、7……
抵抗器、8……コンデンサ、9……微分回路、1
0……論理和回路、11,12,13,14……
コイル、21,22,23,24……スイツチン
グ手段、25……駆動回路、31,32,33,
34……ダイオード。

Claims (1)

    【実用新案登録請求の範囲】
  1. 低電圧源、コイルおよびスイツチング手段の直
    列回路と、上記低電圧源と並列に接続した高電圧
    源およびスイツチングトランジスタの直列回路と
    、上記の高電圧源とスイツチング手段との間に接
    続した抵抗器、コンデンサおよびダイオードの直
    列回路と、上記スイツチング手段の駆動回路とか
    らなり、上記スイツチングトランジスタのベース
    と上記の抵抗およびコンデンサの中間点とを接続
    したことを特徴とする励磁回路。
JP3888588U 1988-03-24 1988-03-24 Pending JPH01143300U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3888588U JPH01143300U (ja) 1988-03-24 1988-03-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3888588U JPH01143300U (ja) 1988-03-24 1988-03-24

Publications (1)

Publication Number Publication Date
JPH01143300U true JPH01143300U (ja) 1989-10-02

Family

ID=31265422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3888588U Pending JPH01143300U (ja) 1988-03-24 1988-03-24

Country Status (1)

Country Link
JP (1) JPH01143300U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027355A1 (en) * 1993-05-12 1994-11-24 Komatsu Ltd. Dc-dc converter circuit and inductive-load driving apparatus using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027355A1 (en) * 1993-05-12 1994-11-24 Komatsu Ltd. Dc-dc converter circuit and inductive-load driving apparatus using the same

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