JPS6194933U - - Google Patents
Info
- Publication number
- JPS6194933U JPS6194933U JP18017284U JP18017284U JPS6194933U JP S6194933 U JPS6194933 U JP S6194933U JP 18017284 U JP18017284 U JP 18017284U JP 18017284 U JP18017284 U JP 18017284U JP S6194933 U JPS6194933 U JP S6194933U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- code
- key input
- resistance
- input device
- 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
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第１図は本考案の１実施例構成図、第２図は第
１図図示本考案の１実施例構成に用いる抵抗値・
コード変換テーブル、第３図は第１図図示キー入
力・抵抗植変換器の具体例を示す。
図中、１はキー入力・抵抗値変換器、１−１な
いし１−ｎは接点、２はＡ／Ｄ変換器、３はＭＰ
Ｕ（マイクロ・プロセツサ）、４はＲＯＭ（リー
ド・オンリ・メモリ）、４−１は抵抗値・コード
変換テーブル、５は回路シート、５−１は接点ラ
イン、５−２は接続線、６はスペーサ・シート、
６−１は穴、７は抵抗シート、８は定電流源、Ｒ
１ないしＲｎは抵抗、Ｋ１ないしＫｎはキーを表
す。
Fig. 1 is a configuration diagram of one embodiment of the present invention, and Fig. 2 shows the resistance values and values used in the configuration of one embodiment of the present invention shown in Fig. 1.
The code conversion table, FIG. 3, shows a specific example of the key input/resistance converter shown in FIG. 1. In the figure, 1 is a key input/resistance value converter, 1-1 to 1-n are contacts, 2 is an A/D converter, and 3 is an MP
U (micro processor), 4 is ROM (read only memory), 4-1 is resistance value/code conversion table, 5 is circuit sheet, 5-1 is contact line, 5-2 is connection line, 6 is spacer sheet,
6-1 is a hole, 7 is a resistor sheet, 8 is a constant current source, R
1 to Rn represent resistances, and K1 to Kn represent keys.
Claims (1)
において、前記各キー入力が夫々異なつた抵抗値
の形で２本の接続線に接続されるキー入力・抵抗
植変換器と、該キー入力・抵抗植変換器によつて
２本の接続線に接続された抵抗値をデジタル値に
変換するＡ／Ｄ変換器と、該Ａ／Ｄ変換器によつ
て変換したデジタル値に基づいて予め格納してお
いたテーブルを索引してコードに変換するコード
変換器とを備え、該コード変換器によつて変換さ
れたコードを送出するよう構成したことを特徴と
するキー入力装置。 A key input device that sends key inputs in the form of a code includes a key input/resistance converter in which each key input is connected to two connecting wires in the form of different resistance values; an A/D converter that converts the resistance value connected to the two connection lines by a converter into a digital value; 1. A key input device, comprising: a code converter for indexing a stored table and converting it into a code; and configured to send out the code converted by the code converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18017284U JPS6194933U (en) | 1984-11-28 | 1984-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18017284U JPS6194933U (en) | 1984-11-28 | 1984-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194933U true JPS6194933U (en) | 1986-06-19 |
Family
ID=30737730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18017284U Pending JPS6194933U (en) | 1984-11-28 | 1984-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194933U (en) |
-
1984
- 1984-11-28 JP JP18017284U patent/JPS6194933U/ja active Pending
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