JPS5890425U - keyboard device - Google Patents
keyboard deviceInfo
- Publication number
- JPS5890425U JPS5890425U JP18181081U JP18181081U JPS5890425U JP S5890425 U JPS5890425 U JP S5890425U JP 18181081 U JP18181081 U JP 18181081U JP 18181081 U JP18181081 U JP 18181081U JP S5890425 U JPS5890425 U JP S5890425U
- Authority
- JP
- Japan
- Prior art keywords
- electrode section
- dot matrix
- control circuit
- keyboard device
- liquid crystal
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Input From Keyboards Or The Like (AREA)
- Digital Computer Display Output (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来用いられていたキーボード装置の斜視図、
第２図は本考案装置に用いられるスイッチパネル及び液
晶ドツトマトリクス表示パネルの一実施例の断面図、第
３図は本考案装置に用いられる液晶ドツトマトリクス表
示パネルの制御回路の構成図、第４図Ａ、 Ｂは第２図
の平面図である。
１・・・キースイッチ、２・・・印刷項目、３・・・下
基板、４・・・検出電極、５・・・上基板、６・・・ス
イッチ電極、７・・・マスキング、８・・・スペーサ、
９・・・スイッチ部、１０・・・スイッチパネル、１１
・・・ガラス基板、１２・・・ネサ電極、１３・・・液
晶、１４・・・偏光板、１５・・・液晶ドツトマトリク
ス表示パネル、１６・・・クロックジェネレータ、１７
・・−ＣＰＵ、 ｌ ｇ・・・ＰＲＯＭ。
１９・・・ＲＡＭ、２０・・・ＨＯＬＤ制御回路、２１
・・・バスコントローラー、２２・・・液晶ドライバー
、２３・・・制御回路、２４・・・表示項目。Figure 1 is a perspective view of a conventionally used keyboard device.
FIG. 2 is a sectional view of an embodiment of the switch panel and liquid crystal dot matrix display panel used in the device of the present invention, FIG. 3 is a configuration diagram of a control circuit of the liquid crystal dot matrix display panel used in the device of the present invention, and FIG. Figures A and B are plan views of Figure 2. DESCRIPTION OF SYMBOLS 1...Key switch, 2...Printed item, 3...Lower substrate, 4...Detection electrode, 5...Upper substrate, 6...Switch electrode, 7...Masking, 8... ··Spacer,
9... Switch section, 10... Switch panel, 11
... Glass substrate, 12 ... Nesa electrode, 13 ... Liquid crystal, 14 ... Polarizing plate, 15 ... Liquid crystal dot matrix display panel, 16 ... Clock generator, 17
...-CPU, lg...PROM. 19...RAM, 20...HOLD control circuit, 21
... bus controller, 22 ... liquid crystal driver, 23 ... control circuit, 24 ... display item.
Claims (1)
部に設けられたドツトマトリクス形からなる電極部１２
と、この電極部に設けられた液晶と、このドツトマトリ
クス形電極部を駆動するための制御回路２３とを備え、
この制御回路によりドツトマトリクス形電極部を介して
英字、数字等の表示を任意に切換えることができるよう
にしたことを特徴とするキーボード装置。A transparent key 9 with a built-in switch and an electrode section 12 in the form of a dot matrix provided at the bottom of the transparent key 9
, a liquid crystal provided on this electrode section, and a control circuit 23 for driving this dot matrix electrode section,
A keyboard device characterized in that the display of alphabetic characters, numbers, etc. can be arbitrarily switched via the dot matrix electrode section by this control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18181081U JPS5890425U (en) | 1981-12-07 | 1981-12-07 | keyboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18181081U JPS5890425U (en) | 1981-12-07 | 1981-12-07 | keyboard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5890425U true JPS5890425U (en) | 1983-06-18 |
Family
ID=29979622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18181081U Pending JPS5890425U (en) | 1981-12-07 | 1981-12-07 | keyboard device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5890425U (en) |
-
1981
- 1981-12-07 JP JP18181081U patent/JPS5890425U/en active Pending
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