JPS6384636U - - Google Patents
Info
- Publication number
- JPS6384636U JPS6384636U JP17794786U JP17794786U JPS6384636U JP S6384636 U JPS6384636 U JP S6384636U JP 17794786 U JP17794786 U JP 17794786U JP 17794786 U JP17794786 U JP 17794786U JP S6384636 U JPS6384636 U JP S6384636U
- Authority
- JP
- Japan
- Prior art keywords
- processing unit
- central processing
- switch
- diode matrix
- switches
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- 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
図は従来例のブロツク図である。
主要部分の符号の説明、１……Ａ／Ｄコンバー
タ内蔵ＣＰＵ、２……スイツチ群選択デコーダ、
３……ダイオードマトリツクス、４……スイツチ
群。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a block diagram of a conventional example. Explanation of symbols of main parts, 1...CPU with built-in A/D converter, 2...Switch group selection decoder,
3...Diode matrix, 4...Switch group.
Claims (1)
らの制御に応じてダイオードマトリツクスを順次
走査するスイツチ選択デコーダと、前記ダイオー
ドマトリツクスに接続された複数個のスイツチと
を有し、前記スイツチの動作状態を前記中央処理
ユニツトで検出するスイツチ読取り回路であつて
、前記中央処理ユニツトが前記スイツチに接続さ
れたアナログ／デイジタルコンバータを内蔵する
ことを特徴とするスイツチ読取り回路。 It has a central processing unit, a switch selection decoder that sequentially scans a diode matrix under control from the central processing unit, and a plurality of switches connected to the diode matrix, and determines the operating state of the switches. A switch reading circuit for detecting a switch in the central processing unit, wherein the central processing unit incorporates an analog/digital converter connected to the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17794786U JPS6384636U (en) | 1986-11-19 | 1986-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17794786U JPS6384636U (en) | 1986-11-19 | 1986-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6384636U true JPS6384636U (en) | 1988-06-03 |
Family
ID=31119623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17794786U Pending JPS6384636U (en) | 1986-11-19 | 1986-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6384636U (en) |
-
1986
- 1986-11-19 JP JP17794786U patent/JPS6384636U/ja active Pending