JPH01117571U - - Google Patents
Info
- Publication number
- JPH01117571U JPH01117571U JP1276088U JP1276088U JPH01117571U JP H01117571 U JPH01117571 U JP H01117571U JP 1276088 U JP1276088 U JP 1276088U JP 1276088 U JP1276088 U JP 1276088U JP H01117571 U JPH01117571 U JP H01117571U
- Authority
- JP
- Japan
- Prior art keywords
- integrator
- digits
- pulse signal
- current
- counter
- 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 description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案に係るカーソル速度制御装置の
一実施例を示す図、第２図はスイツチ制御回路の
具体的構成例を示す図、第３図と第４図は第１図
装置の動作を示すタイムチヤート、第５図は従来
例を示す図、第６図はエンコーダ出力を示すタイ
ムチヤート、第７図は本考案で実現するカーソル
の動きを示す図である。
１……回転体、２……エンコーダ、４……方向
検出回路、１０……スイツチ制御回路、１２……
コンパレータ、１３……スイツチ群、１４……カ
ウンタ、ｃ……積分コンデンサ、１，２……
電流源。
Fig. 1 is a diagram showing an embodiment of the cursor speed control device according to the present invention, Fig. 2 is a diagram showing a specific configuration example of a switch control circuit, and Figs. 3 and 4 are diagrams showing the operation of the device shown in Fig. 1. 5 is a diagram showing the conventional example, FIG. 6 is a time chart showing the encoder output, and FIG. 7 is a diagram showing the movement of the cursor realized by the present invention. 1...Rotating body, 2...Encoder, 4...Direction detection circuit, 10...Switch control circuit, 12...
Comparator, 13... Switch group, 14... Counter, c... Integrating capacitor, 1 , 2 ...
current source.
Claims (1)
パルス信号を出力するエンコーダと、 このパルス信号から回転体の回転方向を検出す
る方向検出回路と、 この回転方向により入力端子（２０桁、２３桁
、…）に加えられた前記パルス信号をアツプ又は
ダウンカウントするカウンタと、 電流１で充電され、電流１と異なる電流
２で放電される積分器ｃと、 前記２相のパルス信号を導入し、前記電流１
を積分器に加える期間と、電流２を積分器に加
える期間を制御する信号ｓ１，ｓ２を出力する手
段１０と、 前記積分器の出力を或る電圧レベルと比較する
コンパレータと、 コンパレータの出力により、前記パルス信号を
前記カウンタの各入力端子（２０桁、２３桁、…
）へ切替えて加えるスイツチ群１３と、 を備えたカーソル速度制御装置。[Claims for Utility Model Registration] An encoder that outputs two-phase pulse signals with different phases for each rotation angle θ of a rotating body, a direction detection circuit that detects the rotational direction of the rotating body from this pulse signal, and this rotational direction. A counter that counts up or down the pulse signal applied to the input terminal ( 20 digits, 23 digits , ...) by
Introducing the integrator c which is discharged at 2 and the 2-phase pulse signal, the current 1
means 10 for outputting signals s1, s2 for controlling the period during which current 2 is applied to the integrator and the period during which current 2 is applied to the integrator; a comparator for comparing the output of said integrator with a certain voltage level; , the pulse signal is input to each input terminal of the counter ( 20 digits, 2 3 digits,...
); and a cursor speed control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1276088U JPH01117571U (en) | 1988-02-02 | 1988-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1276088U JPH01117571U (en) | 1988-02-02 | 1988-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117571U true JPH01117571U (en) | 1989-08-08 |
Family
ID=31222492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1276088U Pending JPH01117571U (en) | 1988-02-02 | 1988-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117571U (en) |
-
1988
- 1988-02-02 JP JP1276088U patent/JPH01117571U/ja active Pending
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