JPH0221829U - - Google Patents
Info
- Publication number
- JPH0221829U JPH0221829U JP9316588U JP9316588U JPH0221829U JP H0221829 U JPH0221829 U JP H0221829U JP 9316588 U JP9316588 U JP 9316588U JP 9316588 U JP9316588 U JP 9316588U JP H0221829 U JPH0221829 U JP H0221829U
- Authority
- JP
- Japan
- Prior art keywords
- keyboard
- encoder
- detection circuit
- detects
- output
- 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 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 1
Landscapes
- Control By Computers (AREA)
- Input From Keyboards Or The Like (AREA)
- Feedback Control In General (AREA)
Description
第１図は本考案に係るパネル入力回路の一実施
例を示すブロツク図、第２図はエンコーダ検出回
路の構成の一例を示す構成図、第３図はエンコー
ダ検出回路の動作を示すタイムチヤート、第４図
は測定器のパネルの一例を示す図、第５図は従来
のパネル入力回路の構成を示すブロツク図である
。
４…キーボードマトリツクス、５…キーボード
コントローラ、７…デコーダ、８…リターン信号
、１１…ロータリーエンコーダ、２０…エンコー
ダ検出回路、２１，２２，２３…フリツプフロツ
プ、２４，２５…ゲート。
FIG. 1 is a block diagram showing one embodiment of the panel input circuit according to the present invention, FIG. 2 is a block diagram showing an example of the structure of the encoder detection circuit, and FIG. 3 is a time chart showing the operation of the encoder detection circuit. FIG. 4 is a diagram showing an example of a panel of a measuring instrument, and FIG. 5 is a block diagram showing the configuration of a conventional panel input circuit. 4... Keyboard matrix, 5... Keyboard controller, 7... Decoder, 8... Return signal, 11... Rotary encoder, 20... Encoder detection circuit, 21, 22, 23... Flip-flop, 24, 25... Gate.
Claims (1)
トリツクス中のキーが押された事を検出するキー
ボードコントローラと、ロータリーエンコーダと
、このロータリーエンコーダの出力が入力されそ
の回転方向と回転速度を検出するエンコーダ検出
回路とを有し、このエンコーダ検出回路の出力を
前記キーボードコントローラに入力するようにし
たことを特徴とするパネル入力回路。 A keyboard matrix, a keyboard controller that detects when a key in the keyboard matrix is pressed, a rotary encoder, and an encoder detection circuit that receives the output of the rotary encoder and detects its rotation direction and rotation speed. 1. A panel input circuit comprising: a panel input circuit, wherein the output of the encoder detection circuit is input to the keyboard controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9316588U JPH0221829U (en) | 1988-07-14 | 1988-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9316588U JPH0221829U (en) | 1988-07-14 | 1988-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221829U true JPH0221829U (en) | 1990-02-14 |
Family
ID=31317614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9316588U Pending JPH0221829U (en) | 1988-07-14 | 1988-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221829U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6180325A (en) * | 1984-09-26 | 1986-04-23 | Toshiba Corp | Information input system of pointing device |
| JPS6180421A (en) * | 1984-09-28 | 1986-04-24 | Usac Electronics Ind Co Ltd | Cursor shift control system using mouse |
| JPS61114330A (en) * | 1984-11-07 | 1986-06-02 | Omron Tateisi Electronics Co | Input device for cursor shift data |
-
1988
- 1988-07-14 JP JP9316588U patent/JPH0221829U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6180325A (en) * | 1984-09-26 | 1986-04-23 | Toshiba Corp | Information input system of pointing device |
| JPS6180421A (en) * | 1984-09-28 | 1986-04-24 | Usac Electronics Ind Co Ltd | Cursor shift control system using mouse |
| JPS61114330A (en) * | 1984-11-07 | 1986-06-02 | Omron Tateisi Electronics Co | Input device for cursor shift data |