JPS63159431U - - Google Patents
Info
- Publication number
- JPS63159431U JPS63159431U JP5169687U JP5169687U JPS63159431U JP S63159431 U JPS63159431 U JP S63159431U JP 5169687 U JP5169687 U JP 5169687U JP 5169687 U JP5169687 U JP 5169687U JP S63159431 U JPS63159431 U JP S63159431U
- Authority
- JP
- Japan
- Prior art keywords
- key switch
- input
- column drive
- cycle
- chip microcomputer
- 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
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987051696U JPH0615309Y2 (ja) | 1987-04-06 | 1987-04-06 | キ−ボ−ド・コントロ−ラ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987051696U JPH0615309Y2 (ja) | 1987-04-06 | 1987-04-06 | キ−ボ−ド・コントロ−ラ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63159431U true JPS63159431U (nl) | 1988-10-19 |
| JPH0615309Y2 JPH0615309Y2 (ja) | 1994-04-20 |
Family
ID=30876196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987051696U Expired - Lifetime JPH0615309Y2 (ja) | 1987-04-06 | 1987-04-06 | キ−ボ−ド・コントロ−ラ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615309Y2 (nl) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185037U (nl) * | 1981-05-18 | 1982-11-24 | ||
| JPS5896335A (ja) * | 1981-12-01 | 1983-06-08 | Alps Electric Co Ltd | キ−ボ−ド装置ののスキヤン方法 |
-
1987
- 1987-04-06 JP JP1987051696U patent/JPH0615309Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185037U (nl) * | 1981-05-18 | 1982-11-24 | ||
| JPS5896335A (ja) * | 1981-12-01 | 1983-06-08 | Alps Electric Co Ltd | キ−ボ−ド装置ののスキヤン方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615309Y2 (ja) | 1994-04-20 |