JPS6445498U - - Google Patents
Info
- Publication number
- JPS6445498U JPS6445498U JP13700387U JP13700387U JPS6445498U JP S6445498 U JPS6445498 U JP S6445498U JP 13700387 U JP13700387 U JP 13700387U JP 13700387 U JP13700387 U JP 13700387U JP S6445498 U JPS6445498 U JP S6445498U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- drive voltage
- drive
- motor
- repetition frequency
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の駆動電圧制御装置の実施例を
示す回路図、第２図は本考案の駆動電圧制御装置
のタイミングチヤート、第３図は本考案の駆動電
圧制御装置の動作を説明するタイミングチヤート
、第４図は従来の駆動電圧制御装置のブロツク図
である。
１１……駆動回路、１２……発振回路、１３…
…制御回路、１４，１５……オペアンプ、Ｑ１…
…ＮＰＮトランジスタ。
Fig. 1 is a circuit diagram showing an embodiment of the drive voltage control device of the present invention, Fig. 2 is a timing chart of the drive voltage control device of the present invention, and Fig. 3 explains the operation of the drive voltage control device of the present invention. Timing chart FIG. 4 is a block diagram of a conventional drive voltage control device. 11...Drive circuit, 12...Oscillation circuit, 13...
...control circuit, 14, 15... operational amplifier, Q1...
...NPN transistor.
Claims (1)
この駆動回路の出力する前記駆動電圧レベルを制
御する制御回路と、前記直流モータ停止前に一定
繰り返し周波数のパルスを発生する発振回路とを
有し、前記制御回路は、前記直流モータ停止前に
前記発振回路の出力するパルスの繰り返し周波数
と同一の周期で、前記駆動回路の駆動電圧レベル
を増減することを特徴とする駆動電圧制御装置。 a drive circuit that supplies drive voltage to a DC motor;
The control circuit includes a control circuit that controls the drive voltage level output from the drive circuit, and an oscillation circuit that generates a pulse with a constant repetition frequency before stopping the DC motor. A drive voltage control device characterized in that the drive voltage level of the drive circuit is increased or decreased at the same cycle as the repetition frequency of pulses output by an oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13700387U JPS6445498U (en) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13700387U JPS6445498U (en) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445498U true JPS6445498U (en) | 1989-03-20 |
Family
ID=31398040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13700387U Pending JPS6445498U (en) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445498U (en) |
-
1987
- 1987-09-08 JP JP13700387U patent/JPS6445498U/ja active Pending
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