JPS596233U - key interface - Google Patents
key interfaceInfo
- Publication number
- JPS596233U JPS596233U JP9874982U JP9874982U JPS596233U JP S596233 U JPS596233 U JP S596233U JP 9874982 U JP9874982 U JP 9874982U JP 9874982 U JP9874982 U JP 9874982U JP S596233 U JPS596233 U JP S596233U
- Authority
- JP
- Japan
- Prior art keywords
- decoder
- keypad
- display interface
- key interface
- keyboard display
- 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.)
- Granted
Links
Landscapes
- 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図は従来のキーインターフェースの構成を示すブロ
ック図、第２図は同キーインターフェースの動作タイム
チャート、第３図は同インターフェースにおけるキーデ
ータの格納図、第４図は本考案による一実施例の構成を
示すブロック図、第５図は同実施例の動作タイムチャー
ト、第６図は同実施例におけるキーデータの格納図であ
る。
１・・・・・・ＫＤＩ（キーボードディスプレイインタ
ーフェース）、２・・・・・・デコーダ、３・・・・・
・キーバッド。
１ １ １ １にＧ、／ｌ ｌ １（１・４曲−
パ
１址Ｈ−什Ｈ＋−科十曲
璽ｊ士聞吋
、゛Fig. 1 is a block diagram showing the configuration of a conventional key interface, Fig. 2 is an operation time chart of the key interface, Fig. 3 is a storage diagram of key data in the same interface, and Fig. 4 is an embodiment according to the present invention. FIG. 5 is an operation time chart of the same embodiment, and FIG. 6 is a storage diagram of key data in the same embodiment. 1...KDI (keyboard display interface), 2...decoder, 3...
・Keypad. 1 1 1 G on 1, /l l 1 (1/4 songs-
Pa 1 址H-什H+-Ke ten music seal j Shimon 吋、゛
Claims (1)
の各キーを順次スキャンするスキャン信号を前記キーバ
ッドに供給するデコーダと、一定の周期でクロックパル
スのカウントを繰返すスキャンカウンタを有するキーボ
ードディスプレイインターフェースとを具備し前記スキ
ャンカウンタの出力が前記デコーダへ供給されるキーイ
ンターフェースにおいて、前記キーバッドのキーのうち
最初又は最後にスキャンされるキーを常時ＯＮにセット
するとともに前記スキャンカウンタのＭ。 Ｓ、 ３３ 、 （Ｍｏｓｔ Ｓｉｇｈｉｆｉｃａｎ
ｔ Ｂｉｔ）端子を前記デコーダのストローブ端子に
接続してなるキーインターフェース。[Claims for Utility Model Registration] A keypad containing a plurality of keys, a decoder that supplies the keypad with a scan signal that sequentially scans each key on the keypad, and a scan counter that repeats counting clock pulses at a constant cycle. a keyboard display interface having a keyboard display interface in which the output of the scan counter is supplied to the decoder; M. S, 33, (Most Significant
tBit) terminal connected to the strobe terminal of the decoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9874982U JPS596233U (en) | 1982-06-30 | 1982-06-30 | key interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9874982U JPS596233U (en) | 1982-06-30 | 1982-06-30 | key interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS596233U true JPS596233U (en) | 1984-01-14 |
| JPS6230097Y2 JPS6230097Y2 (en) | 1987-08-03 |
Family
ID=30234316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9874982U Granted JPS596233U (en) | 1982-06-30 | 1982-06-30 | key interface |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS596233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189083U (en) * | 1981-05-26 | 1982-11-30 |
-
1982
- 1982-06-30 JP JP9874982U patent/JPS596233U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189083U (en) * | 1981-05-26 | 1982-11-30 | ||
| JPS6234390Y2 (en) * | 1981-05-26 | 1987-09-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6230097Y2 (en) | 1987-08-03 |
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