JPS5844634U - input device - Google Patents
input deviceInfo
- Publication number
- JPS5844634U JPS5844634U JP13814681U JP13814681U JPS5844634U JP S5844634 U JPS5844634 U JP S5844634U JP 13814681 U JP13814681 U JP 13814681U JP 13814681 U JP13814681 U JP 13814681U JP S5844634 U JPS5844634 U JP S5844634U
- Authority
- JP
- Japan
- Prior art keywords
- input device
- code
- buffer
- cpu
- abstract
- 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
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の入力装置の１例を示すブロック回路図、
第２図は本考案になる入力装置の一実施例を示すブロッ
ク回路図である。
１・・・キーマトリックス、２・・・コード発生回路、
４・・・タイミング信号発生回路、５・・・ＣＰＵ、
６・・・リセット機能付バッファ、Ｋ１〜ＫＩＴｌ〜に
、・・・キースイッチ。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 circuit diagram showing an example of a conventional input device.
FIG. 2 is a block circuit diagram showing one embodiment of the input device according to the present invention. 1...Key matrix, 2...Code generation circuit,
4... Timing signal generation circuit, 5... CPU,
6...Buffer with reset function, K1~KITl~,...key switch. In addition, in the figure, the same reference numerals are the same,
or a corresponding portion.
Claims (1)
介してＣＰＵへ入力する装置において、前記バッファに
は、前記コードが前記ＣＰＵにより読込まれた直後、Ｃ
ＰＵに対して無効なコードがセットされるように構成し
てなる入力装置。゛ In a device that inputs a code corresponding to an operated switch to a CPU via a buffer, the code is input into the buffer immediately after the code is read by the CPU.
An input device configured so that an invalid code is set for the PU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13814681U JPS5844634U (en) | 1981-09-17 | 1981-09-17 | input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13814681U JPS5844634U (en) | 1981-09-17 | 1981-09-17 | input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5844634U true JPS5844634U (en) | 1983-03-25 |
Family
ID=29931380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13814681U Pending JPS5844634U (en) | 1981-09-17 | 1981-09-17 | input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5844634U (en) |
-
1981
- 1981-09-17 JP JP13814681U patent/JPS5844634U/en active Pending
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