JPS5892893U - Motor drive circuit - Google Patents

Motor drive circuit

Info

Publication number
JPS5892893U
JPS5892893U JP1981186654U JP18665481U JPS5892893U JP S5892893 U JPS5892893 U JP S5892893U JP 1981186654 U JP1981186654 U JP 1981186654U JP 18665481 U JP18665481 U JP 18665481U JP S5892893 U JPS5892893 U JP S5892893U
Authority
JP
Japan
Prior art keywords
motor
drive circuit
motor drive
capacitor
current
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
JP1981186654U
Other languages
Japanese (ja)
Inventor
典夫 石川
Original Assignee
ミノルタ株式会社
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 by ミノルタ株式会社 filed Critical ミノルタ株式会社
Priority to JP1981186654U priority Critical patent/JPS5892893U/en
Publication of JPS5892893U publication Critical patent/JPS5892893U/en
Pending legal-status Critical Current

Links

Landscapes

  • Motor And Converter Starters (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はモータ駆動電流の時間的変化を示す説明図、第
２図は本考案によるモータ駆動部の一実施例を示す回路
図である。 Ａ：駆動信号発生部、Ｂ：モータ駆動回路、Ｌ：被制御
負荷、Ｑ１〜Ｑ４：モータ駆動用トランジスタ、Ｒ１，
Ｒ３：ベース抵抗、Ｃ１，Ｃ２：コンデンサ。FIG. 1 is an explanatory diagram showing temporal changes in motor drive current, and FIG. 2 is a circuit diagram showing an embodiment of a motor drive section according to the present invention. A: Drive signal generation section, B: Motor drive circuit, L: Controlled load, Q1 to Q4: Motor drive transistor, R1,
R3: Base resistance, C1, C2: Capacitor.

Claims (1)

【実用新案登録請求の範囲】 １　正逆回転可能なモータと、該モータの正転駆動用ト
ランジスタおよび逆転駆動用トランジスタとを備えたモ
ータ駆動回路において、上記双方の駆動トランジスタの
ベース抵抗に上記モータの起動電流バイパス用のコンデ
ンサを並列に接続したことを特徴とするモータ駆動回路
。 ２　ベース抵抗は、上記モータの定常駆動電流に相当す
るベース電流が流れるような抵抗値が、また上記コンデ
ンサは、上記モータの起動電流の減衰特性に相当する時
定数となるような容量値が、それぞれ選定されている実
用新案登録請求の範囲第１項記載のモータ駆動回路。[Claims for Utility Model Registration] 1. In a motor drive circuit comprising a motor capable of forward and reverse rotation, and a transistor for driving the motor in the forward direction and a transistor for driving the motor in the reverse direction, the motor A motor drive circuit characterized in that a capacitor for bypassing the starting current is connected in parallel. 2 The base resistor has a resistance value such that a base current corresponding to the steady drive current of the motor flows, and the capacitor has a capacitance value such that a time constant corresponds to the attenuation characteristic of the starting current of the motor. A motor drive circuit according to claim 1 of each selected utility model registration claim.
JP1981186654U 1981-12-14 1981-12-14 Motor drive circuit Pending JPS5892893U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981186654U JPS5892893U (en) 1981-12-14 1981-12-14 Motor drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981186654U JPS5892893U (en) 1981-12-14 1981-12-14 Motor drive circuit

Publications (1)

Publication Number Publication Date
JPS5892893U true JPS5892893U (en) 1983-06-23

Family

ID=29988787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981186654U Pending JPS5892893U (en) 1981-12-14 1981-12-14 Motor drive circuit

Country Status (1)

Country Link
JP (1) JPS5892893U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5694983A (en) * 1979-12-28 1981-07-31 Mitsubishi Electric Corp Dc motor drive circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5694983A (en) * 1979-12-28 1981-07-31 Mitsubishi Electric Corp Dc motor drive circuit

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