JPS6228246U - - Google Patents
Info
- Publication number
- JPS6228246U JPS6228246U JP12033385U JP12033385U JPS6228246U JP S6228246 U JPS6228246 U JP S6228246U JP 12033385 U JP12033385 U JP 12033385U JP 12033385 U JP12033385 U JP 12033385U JP S6228246 U JPS6228246 U JP S6228246U
- Authority
- JP
- Japan
- Prior art keywords
- key
- detection
- signal
- detection means
- key switch
- 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
- 238000001514 detection method Methods 0.000 claims 6
Landscapes
- Input From Keyboards Or The Like (AREA)
- Safety Devices In Control Systems (AREA)
Description
図はこの考案の実施例を示す図である。
１……３―８ラインセレクタＩＣ、Ｓ１〜Ｓ８
……キースイツチ、Ｑ１……トランジスタ。
The figure shows an embodiment of this invention. 1...3-8 line selector IC, S1 to S8
...Key switch, Q1 ...transistor.
Claims (1)
なくとも１つが操作されたときに検出信号を出力
する検出手段と、前記検出信号によつてスキヤン
信号を前記キースイツチに供給するスキヤン信号
手段と、前記スキヤン信号により操作されたキー
スイツチを検出するキースイツチ検出手段とを備
えたことを特徴とするキーセレクタ回路。 a plurality of key switches, a detection means for outputting a detection signal when at least one of the key switches is operated, a scan signal means for supplying a scan signal to the key switch in response to the detection signal, and a detection means for outputting a detection signal when at least one of the key switches is operated; A key selector circuit comprising key switch detection means for detecting a key switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12033385U JPS6228246U (en) | 1985-08-06 | 1985-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12033385U JPS6228246U (en) | 1985-08-06 | 1985-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6228246U true JPS6228246U (en) | 1987-02-20 |
Family
ID=31008549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12033385U Pending JPS6228246U (en) | 1985-08-06 | 1985-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6228246U (en) |
-
1985
- 1985-08-06 JP JP12033385U patent/JPS6228246U/ja active Pending