JPS61732U - key input device - Google Patents
key input deviceInfo
- Publication number
- JPS61732U JPS61732U JP8486184U JP8486184U JPS61732U JP S61732 U JPS61732 U JP S61732U JP 8486184 U JP8486184 U JP 8486184U JP 8486184 U JP8486184 U JP 8486184U JP S61732 U JPS61732 U JP S61732U
- Authority
- JP
- Japan
- Prior art keywords
- input device
- key input
- key
- detection means
- detecting
- 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
Landscapes
- Keying Circuit Devices (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る装置の一例を示す構成ブロック図
、第２図はその動作波形図、第３図は従来装置の構成ブ
ロック図である。
ＳＣ・・・スキャン回路、Ｋｌ，Ｋ２〜Ｋｎ・・・キー
スイッチ、４・・・検出手段、Ｒ〜Ｒｊ・・・プルアッ
プ抵抗、ＧＡ・・・ゲート回路、５・・・タイマ。FIG. 1 is a configuration block diagram showing an example of a device according to the present invention, FIG. 2 is an operational waveform diagram thereof, and FIG. 3 is a configuration block diagram of a conventional device. SC...Scan circuit, Kl, K2-Kn...Key switch, 4...Detection means, R-Rj...Pull-up resistor, GA...Gate circuit, 5...Timer.
Claims (1)
らの複数個のキースイッチのオン、オフ状態を検出する
ためのスキャン回路とを備えたキー人力装置において、 前記複数個のキースイッチのうちの１つでもオンとなる
のを検出する検出手段を設け、この検出手段からの信号
によって前記スキャン回路を所定の時間だけ動作させる
ようにしたことを特徴とするキ一人力装置。[Claims for Utility Model Registration] A key-powered device comprising a plurality of key switches arranged in a matrix and a scan circuit for detecting on/off states of the plurality of key switches, comprising: A one-key power device, characterized in that a detection means is provided for detecting that even one of the key switches is turned on, and the scan circuit is operated for a predetermined time by a signal from the detection means. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8486184U JPS61732U (en) | 1984-06-07 | 1984-06-07 | key input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8486184U JPS61732U (en) | 1984-06-07 | 1984-06-07 | key input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61732U true JPS61732U (en) | 1986-01-07 |
Family
ID=30634726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8486184U Pending JPS61732U (en) | 1984-06-07 | 1984-06-07 | key input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61732U (en) |
-
1984
- 1984-06-07 JP JP8486184U patent/JPS61732U/en active Pending
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