JPS6174293U - - Google Patents
Info
- Publication number
- JPS6174293U JPS6174293U JP1984157158U JP15715884U JPS6174293U JP S6174293 U JPS6174293 U JP S6174293U JP 1984157158 U JP1984157158 U JP 1984157158U JP 15715884 U JP15715884 U JP 15715884U JP S6174293 U JPS6174293 U JP S6174293U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- circuit
- servo motor
- pulse signal
- signal
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Systems Of Projection Type Copiers (AREA)
- Stopping Of Electric Motors (AREA)
- Control Of Direct Current Motors (AREA)
Description
図面はこの考案の一実施例を示し、第１図は回
路図、第２図は動作を示すタイミングチヤートで
ある。
１は被駆動体、２は駆動回路、３はサーボモー
タ、１３はシユミツトトリガ回路、１５はタイマ
装置。
The drawings show an embodiment of this invention, with FIG. 1 being a circuit diagram and FIG. 2 being a timing chart showing the operation. 1 is a driven body, 2 is a drive circuit, 3 is a servo motor, 13 is a trigger circuit, and 15 is a timer device.
Claims (1)
回路により速度制御するものにおいて、上記サー
ボモータ３の駆動回路２に電流検出手段を設けて
、駆動回路２を流れる電流を検出し、得られた信
号１２をシユミツトトリガ回路１３でパルス信号
１４に波形成形してタイマ装置１５へ入力すると
共に、上記パルス信号１４が予め設定された時間
内に入力されないとき、上記タイマ装置１５より
駆動回路２へ停止信号を出力するようにしてなる
複写機の速度制御装置。 PLL of the servo motor 3 that drives the driven body 1
In the case where the speed is controlled by a circuit, a current detection means is provided in the drive circuit 2 of the servo motor 3 to detect the current flowing through the drive circuit 2, and the obtained signal 12 is waveform-shaped into a pulse signal 14 by a Schmitt trigger circuit 13. A speed control device for a copying machine, which outputs a stop signal from the timer device 15 to the drive circuit 2 when the pulse signal 14 is not input within a preset time. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984157158U JPS6174293U (en) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984157158U JPS6174293U (en) | 1984-10-19 | 1984-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6174293U true JPS6174293U (en) | 1986-05-20 |
Family
ID=30715157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984157158U Pending JPS6174293U (en) | 1984-10-19 | 1984-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6174293U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033527A (en) * | 1973-07-31 | 1975-03-31 | ||
| JPS50144023A (en) * | 1974-05-10 | 1975-11-19 |
-
1984
- 1984-10-19 JP JP1984157158U patent/JPS6174293U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5033527A (en) * | 1973-07-31 | 1975-03-31 | ||
| JPS50144023A (en) * | 1974-05-10 | 1975-11-19 |
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