JPH0228146U - - Google Patents
Info
- Publication number
- JPH0228146U JPH0228146U JP10597188U JP10597188U JPH0228146U JP H0228146 U JPH0228146 U JP H0228146U JP 10597188 U JP10597188 U JP 10597188U JP 10597188 U JP10597188 U JP 10597188U JP H0228146 U JPH0228146 U JP H0228146U
- Authority
- JP
- Japan
- Prior art keywords
- key
- input device
- send
- lines
- keys
- 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
- 239000011159 matrix material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第1図は本考案の一実施例のブロツク図、第2
図は本実施例の動作を説明するためのフローチヤ
ート、第3図は従来のキー入力装置の一例を示す
図である。
1……CPU、4……スキヤンクロツク発生装
置、6……カウンタ、7……デコーダ、8a,8
b……スキヤンモード変換装置、10a,10b
……センドラインスキヤン信号出力装置、12…
…エンコーダ、B1,B2……キー群。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a flowchart for explaining the operation of this embodiment, and FIG. 3 is a diagram showing an example of a conventional key input device. 1...CPU, 4...Scan clock generator, 6...Counter, 7...Decoder, 8a, 8
b...Scan mode conversion device, 10a, 10b
...Send line scan signal output device, 12...
...Encoder, B1, B2...Key group.
Claims (1)
とによつてキーマトリツクスを形成し、該キーマ
トリツクスの交点にキーを配置したキー入力装置
において、複数のセンドラインを一度にキー探索
する第1の手段と、一本々々のセンドラインを順
次スキヤンしてキー探索する第2の手段とを具備
し、最初に前記第1の手段を動作させて、オンさ
れたキーが属するキー群を求め、次いで前記第2
の手段を動作させて、該オンにされたキーを求め
るようにしたことを特徴とするキー入力装置。 In a key input device in which a key matrix is formed by a plurality of send lines and a plurality of return lines, and keys are arranged at the intersections of the key matrix, a first method for searching for keys on a plurality of send lines at once is performed. and a second means for sequentially scanning each send line to search for a key, first operating the first means to find a key group to which the turned-on key belongs; Then the second
A key input device characterized in that the key input device is configured to operate the means to obtain the turned-on key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10597188U JPH0228146U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10597188U JPH0228146U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228146U true JPH0228146U (en) | 1990-02-23 |
Family
ID=31339065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10597188U Pending JPH0228146U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228146U (en) |
-
1988
- 1988-08-12 JP JP10597188U patent/JPH0228146U/ja active Pending
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