JPS61117600U - - Google Patents
Info
- Publication number
- JPS61117600U JPS61117600U JP19786684U JP19786684U JPS61117600U JP S61117600 U JPS61117600 U JP S61117600U JP 19786684 U JP19786684 U JP 19786684U JP 19786684 U JP19786684 U JP 19786684U JP S61117600 U JPS61117600 U JP S61117600U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- pulse width
- current flowing
- drive circuit
- generating
- 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
Links
- 238000010586 diagram Methods 0.000 description 8
Description
第１図はこの考案によるステツプモータ駆動回
路の一実施例の全体構成図、第２図、第３図はそ
れぞれ従来例を示す回路図、第４図はこの考案の
一実施例を示す回路図、第５図ａはパルス幅変調
されたパルスの一例を示す図、同図ｂはトランジ
スタ２１のコレクタ側に現われる電圧波形図、同
図ｃはトランジスタ２１とともに例えばトランジ
スタ２３ａがＯＮされたときにモータコイル２２
ａに流れる電流の変化の一例を示す図、同図ｄは
ダイオード２５を介してモータコイルに流れる電
流の変化の一例を示す図、同図ｅはモータコイル
における電流変化の一例を示す図である。
２０……パルス発生手段、２１……制御手段。
Fig. 1 is an overall configuration diagram of an embodiment of a step motor drive circuit according to this invention, Figs. 2 and 3 are circuit diagrams showing conventional examples, respectively, and Fig. 4 is a circuit diagram showing an embodiment of this invention. , FIG. 5a is a diagram showing an example of a pulse width modulated pulse, FIG. 5b is a voltage waveform diagram appearing on the collector side of the transistor 21, and FIG. coil 22
Fig. 3A is a diagram showing an example of a change in the current flowing through the motor coil, d is a diagram showing an example of a change in the current flowing through the motor coil via the diode 25, and e is a diagram showing an example of the current change in the motor coil. . 20...Pulse generating means, 21...Controlling means.
補正 昭６０．５．２３
考案の名称を次のように補正する。
考案の名称 ステツプモータ駆動回路
実用新案登録請求の範囲を次のように補正する
。Amendment May 23, 1980 The name of the invention is amended as follows. Name of the invention: Step motor drive circuit The scope of the claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
パルス幅変調されたパルスを発生するパルス発
生手段と、発生したパルスのパルス幅に応じてモ
ータコイルに流れる電流を制御する制御手段とを
備えてなるステツプモータ駆動回路。[Claims for Utility Model Registration] A step motor drive circuit comprising pulse generation means for generating pulse width modulated pulses and control means for controlling the current flowing through the motor coil according to the pulse width of the generated pulses. .
Claims (1)
生手段と、発生したパルスのパルス幅に応じてモ
ータコイルに流れる電流を制御する制御手段とを
備えてなるステツプモータ駆動回路。 A step motor drive circuit comprising a pulse generating means for generating pulse width modulated pulses, and a control means for controlling a current flowing through a motor coil according to the pulse width of the generated pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19786684U JPS61117600U (en) | 1984-12-29 | 1984-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19786684U JPS61117600U (en) | 1984-12-29 | 1984-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61117600U true JPS61117600U (en) | 1986-07-24 |
Family
ID=30756389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19786684U Pending JPS61117600U (en) | 1984-12-29 | 1984-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61117600U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5768695A (en) * | 1980-10-13 | 1982-04-27 | Canon Inc | Driving device for stepping motor |
-
1984
- 1984-12-29 JP JP19786684U patent/JPS61117600U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5768695A (en) * | 1980-10-13 | 1982-04-27 | Canon Inc | Driving device for stepping motor |
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