JPS6372634U - - Google Patents
Info
- Publication number
- JPS6372634U JPS6372634U JP16620286U JP16620286U JPS6372634U JP S6372634 U JPS6372634 U JP S6372634U JP 16620286 U JP16620286 U JP 16620286U JP 16620286 U JP16620286 U JP 16620286U JP S6372634 U JPS6372634 U JP S6372634U
- Authority
- JP
- Japan
- Prior art keywords
- key
- input
- code
- circuit
- input method
- 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
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第１図はこの考案の一実施例によるキー入力方
式を示すブロツク図、第２図は従来のキー入力方
式を示すブロツク図である。
図において、１……キー接点マトリクス回路、
２……キー信号インターフエース回路、３……キ
ーコモン線ドライブ回路、４……マルチプレクサ
、５……デコーダ、６……カウンタ、８……割込
出力信号線、９……原発信回路、１２……キーコ
ード出力線、１３……ラツチ回路を示す。なお、
図中、同一符号は同一又は相当部分を示す。
FIG. 1 is a block diagram showing a key input method according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional key input method. In the figure, 1... key contact matrix circuit,
2...Key signal interface circuit, 3...Key common line drive circuit, 4...Multiplexer, 5...Decoder, 6...Counter, 8...Interrupt output signal line, 9...Original transmitter circuit, 12... . . .Key code output line, 13 . . . indicates a latch circuit. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
せ、各キー毎にコードを出力することで、そのコ
ードの入力装置がどのキー入力なのか識別できる
ようにしたことを特徴とするキー入力方式。 A key input method characterized by combining a momentary key and its input circuit and outputting a code for each key so that the input device for that code can identify which key is being input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16620286U JPS6372634U (en) | 1986-10-28 | 1986-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16620286U JPS6372634U (en) | 1986-10-28 | 1986-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372634U true JPS6372634U (en) | 1988-05-16 |
Family
ID=31096948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16620286U Pending JPS6372634U (en) | 1986-10-28 | 1986-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372634U (en) |
-
1986
- 1986-10-28 JP JP16620286U patent/JPS6372634U/ja active Pending
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