JPH0366424U - - Google Patents
Info
- Publication number
- JPH0366424U JPH0366424U JP12571389U JP12571389U JPH0366424U JP H0366424 U JPH0366424 U JP H0366424U JP 12571389 U JP12571389 U JP 12571389U JP 12571389 U JP12571389 U JP 12571389U JP H0366424 U JPH0366424 U JP H0366424U
- Authority
- JP
- Japan
- Prior art keywords
- predetermined key
- keyboard
- storage means
- locked state
- stored contents
- 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 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第１図は、本考案の一実施例を示す回路ブロツ
ク図、第２図は、第１図の実施例の基本タイミン
グチヤート、第３図は、第１図の実施例のステー
タスラツチ部のリード、ライトのタイミング図、
第４図は、第１図の実施例のワンチツプマイコン
のフローチヤートである。
１……キーボード制御用ワンチツプマイコン、
２……ステータスラツチ部、３……キースキヤン
データバツフア、４……キーマトリツクス、５…
…本体接続用コネクタ、６……シリアルデータラ
イン、７……リセツトライン。
1 is a circuit block diagram showing one embodiment of the present invention, FIG. 2 is a basic timing chart of the embodiment of FIG. 1, and FIG. 3 is a lead of the status latch section of the embodiment of FIG. 1. , light timing diagram,
FIG. 4 is a flowchart of the one-chip microcomputer of the embodiment shown in FIG. 1... One-chip microcomputer for keyboard control,
2...Status latch section, 3...Key scan data buffer, 4...Key matrix, 5...
... Connector for main unit connection, 6... Serial data line, 7... Reset line.
Claims (1)
ス部の所定キーを押下するとロツクされるキーボ
ードにおいて、 前記所定キーの押下によりセツトされて、この
所定キーのロツク状態を記憶し、この所定キーの
次の押下によりリセツトされて記憶内容をクリア
する記憶手段と、 前記記憶手段の記憶内容に基づいて、前記所定
キーのロツク状態を保持する制御を行う制御手段
とを有することを特徴とするキーボード。 (2) 請求項１記載のキーボードにおいて、 記憶手段は、制御手段からの制御により、所定
キーのロツク状態を記憶し、記憶内容をこの制御
手段に送出することを特徴とするキーボード。 (3) 請求項２記載のキーボードにおいて、 記憶手段は、１ビツトのラツチ機能を有するこ
とを特徴とするキーボード。[Claims for Utility Model Registration] (1) In a keyboard that is locked when a predetermined key of a keyboard matrix section including a plurality of keys is pressed, the locked state of the predetermined key is set by pressing the predetermined key and is stored. and a storage means that is reset and clears the stored contents by the next press of the predetermined key, and a control means that performs control to maintain the locked state of the predetermined key based on the stored contents of the storage means. A keyboard featuring (2) The keyboard according to claim 1, wherein the storage means stores the locked state of a predetermined key under control from the control means and sends the stored contents to the control means. (3) The keyboard according to claim 2, wherein the storage means has a 1-bit latch function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571389U JPH0366424U (en) | 1989-10-30 | 1989-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12571389U JPH0366424U (en) | 1989-10-30 | 1989-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0366424U true JPH0366424U (en) | 1991-06-27 |
Family
ID=31673576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12571389U Pending JPH0366424U (en) | 1989-10-30 | 1989-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0366424U (en) |
-
1989
- 1989-10-30 JP JP12571389U patent/JPH0366424U/ja active Pending
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