JPS6289737U - - Google Patents
Info
- Publication number
- JPS6289737U JPS6289737U JP18188585U JP18188585U JPS6289737U JP S6289737 U JPS6289737 U JP S6289737U JP 18188585 U JP18188585 U JP 18188585U JP 18188585 U JP18188585 U JP 18188585U JP S6289737 U JPS6289737 U JP S6289737U
- Authority
- JP
- Japan
- Prior art keywords
- series
- oscillation
- resistor array
- input
- key row
- 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
- 230000010355 oscillation Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Input From Keyboards Or The Like (AREA)
Description
第１図は本考案の一実施例の結線図、第２図は
第１図の発振回路の発振周波数とカウンタから出
力されるキー入力信号の関係図、第３図は従来例
の結線図、第４図は第３図のＬＳＩから出力され
るキーストローブ信号のタイミングチヤートであ
る。
４……入力キー、６……発振用ロジツク素子、
８……発振コンデンサ、１０……Ｙ方向抵抗アレ
イ、１０ａ〜１０ｃ……Ｙ方向抵抗アレイの抵抗
、１１……Ｘ方向抵抗アレイ、１１ａ〜１１ｄ…
…Ｘ方向抵抗アレイの抵抗、１２ａ〜１２ｄ……
Ｘ方向信号線、１３ａ〜１３ｄ……Ｙ方向信号線
。
Fig. 1 is a wiring diagram of an embodiment of the present invention, Fig. 2 is a diagram of the relationship between the oscillation frequency of the oscillation circuit of Fig. 1 and the key input signal output from the counter, and Fig. 3 is a wiring diagram of a conventional example. FIG. 4 is a timing chart of the key strobe signal output from the LSI shown in FIG. 4... Input key, 6... Oscillation logic element,
8... Oscillation capacitor, 10... Y direction resistance array, 10a to 10c... Resistance of Y direction resistance array, 11... X direction resistance array, 11a to 11d...
...Resistance of X direction resistance array, 12a to 12d...
X direction signal line, 13a to 13d...Y direction signal line.
Claims (1)
ぞれＸ方向の各入力キー列に配された信号線が接
続されたＹ方向抵抗アレイと、直列接続された複
数個の抵抗の各接続点にそれぞれＹ方向の各入力
キー列に配された信号線が接続されたＸ方向抵抗
アレイへが直列接続され、この両抵抗アレイと発
振用コンデンサと発振用ロジツク素子とによりキ
ー入力部に発振回路が構成されたことを特徴とす
るタブレツト入力装置。 A Y-direction resistor array in which a signal line arranged in each input key row in the X direction is connected to each connection point of a plurality of series-connected resistors, and a Y-direction resistor array in which a signal line arranged in each input key row in the X direction is connected to each connection point of a plurality of series-connected resistors. The signal lines arranged in each input key row in the Y direction are connected in series to the connected X direction resistor array, and an oscillation circuit is formed in the key input section by these resistor arrays, the oscillation capacitor, and the oscillation logic element. A tablet input device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18188585U JPS6289737U (en) | 1985-11-25 | 1985-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18188585U JPS6289737U (en) | 1985-11-25 | 1985-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6289737U true JPS6289737U (en) | 1987-06-09 |
Family
ID=31127171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18188585U Pending JPS6289737U (en) | 1985-11-25 | 1985-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289737U (en) |
-
1985
- 1985-11-25 JP JP18188585U patent/JPS6289737U/ja active Pending
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