JPS61114998U - - Google Patents
Info
- Publication number
- JPS61114998U JPS61114998U JP19717384U JP19717384U JPS61114998U JP S61114998 U JPS61114998 U JP S61114998U JP 19717384 U JP19717384 U JP 19717384U JP 19717384 U JP19717384 U JP 19717384U JP S61114998 U JPS61114998 U JP S61114998U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- phase
- pulse motor
- generating
- basic clock
- 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.)
- Granted
Links
Landscapes
- Control Of Stepping Motors (AREA)
Description
第１図は本考案の実施例回路のブロツク線図、
第２図乃至第６図は第１図の本考案実施例回路の
動作説明図、第７図は本考案の他の実施例回路を
示すブロツク線図、第８図は第７図の本考案実施
例回路の動作説明図、第９図は本考案の他の実施
例回路のブロツク線図、第１０図は従来回路のブ
ロツク線図、第１１図は第１０図に示す回路の動
作説明図である。
３……演算部、４……プログラマブル分周器、
５……相パルス発生器、７……ゲート回路、８…
…ドライバー回路、９……パルスモータ、１０…
…リトリガブル無安定マルチバイブレータ、１２
……リトリガブルワンシヨツトマルチバイブレー
タ、１３……トリガー端子が２以上あるリトリガ
ブル・ワンシヨツトマルチバイブレータ、１４…
…無安定マルチバイブレータ、１５……ワンシヨ
ツトマルチバイブレータ。
FIG. 1 is a block diagram of an embodiment circuit of the present invention.
2 to 6 are explanatory diagrams of the operation of the circuit according to the embodiment of the present invention shown in FIG. 1, FIG. 7 is a block diagram showing another embodiment of the circuit according to the present invention, and FIG. 9 is a block diagram of another embodiment of the present invention, FIG. 10 is a block diagram of a conventional circuit, and FIG. 11 is an explanatory diagram of the operation of the circuit shown in FIG. 10. It is. 3... Arithmetic unit, 4... Programmable frequency divider,
5... Phase pulse generator, 7... Gate circuit, 8...
...Driver circuit, 9...Pulse motor, 10...
...Retriggerable astable multivibrator, 12
...Retriggerable one-shot multivibrator, 13...Retriggerable one-shot multivibrator with two or more trigger terminals, 14...
...Unstable multivibrator, 15...One shot multivibrator.
Claims (1)
定の周期の基本クロツクパルスを発生する手段と
、前記基本クロツクパルスに基づき一定位相ずつ
ずれた複数のパルスを発生する相パルス発生手段
と、無安定マルチバイブレータと、この無安定マ
ルチバイブレータの出力によつてトリガーされる
ワンシヨツトマルチバイブレータと、前記相パル
ス発生手段からの各相バルスと前記ワンシヨツト
マルチバイブレータの出力パルスとの論理積をと
る複数のゲート回路と、これらゲート回路の出力
に基づき前記パルスモータの巻線に励磁電流を供
給する手段とを具備し、前記基本クロツクパルス
の周波数が低い低速域において、一定のオンオフ
デユーテイ比で前記パルスモータを駆動し、前記
クロツクパルスの周波数が高くなるにつれ、前記
オンオフデユーテユ比を増加し、高速域において
前記励磁電流に制限を付けずに前記パルスモータ
を駆動するようにしたことを特徴とするパルスモ
ータ駆動回路。 means for generating a basic clock pulse of a predetermined period according to the rotational speed of a pulse motor to be controlled; a phase pulse generating means for generating a plurality of pulses shifted by a constant phase based on the basic clock pulse; and an astable multivibrator. , a one-shot multivibrator triggered by the output of the astable multivibrator, and a plurality of gate circuits that take an AND of each phase pulse from the phase pulse generating means and the output pulse of the one-shot multivibrator. , means for supplying exciting current to the windings of the pulse motor based on the outputs of these gate circuits, and drives the pulse motor at a constant on-off duty ratio in a low speed range where the frequency of the basic clock pulse is low. The pulse motor drive is characterized in that as the frequency of the clock pulse increases, the on/off duty ratio is increased, and the pulse motor is driven without limiting the excitation current in a high speed range. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984197173U JPH0317596Y2 (en) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984197173U JPH0317596Y2 (en) | 1984-12-25 | 1984-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61114998U true JPS61114998U (en) | 1986-07-21 |
| JPH0317596Y2 JPH0317596Y2 (en) | 1991-04-12 |
Family
ID=30755276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984197173U Expired JPH0317596Y2 (en) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317596Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006132115A1 (en) * | 2005-06-08 | 2006-12-14 | Rohm Co., Ltd. | Image pickup apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691697A (en) * | 1979-12-26 | 1981-07-24 | Yokogawa Hokushin Electric Corp | Controlling circuit of stepping motor |
| JPS59159700A (en) * | 1983-03-03 | 1984-09-10 | Toshiba Corp | Drive control circuit for step motor |
-
1984
- 1984-12-25 JP JP1984197173U patent/JPH0317596Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5691697A (en) * | 1979-12-26 | 1981-07-24 | Yokogawa Hokushin Electric Corp | Controlling circuit of stepping motor |
| JPS59159700A (en) * | 1983-03-03 | 1984-09-10 | Toshiba Corp | Drive control circuit for step motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006132115A1 (en) * | 2005-06-08 | 2006-12-14 | Rohm Co., Ltd. | Image pickup apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0317596Y2 (en) | 1991-04-12 |
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