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JPH01267917A - Key input device - Google Patents

Key input device

Info

Publication number
JPH01267917A
JPH01267917A JP63097090A JP9709088A JPH01267917A JP H01267917 A JPH01267917 A JP H01267917A JP 63097090 A JP63097090 A JP 63097090A JP 9709088 A JP9709088 A JP 9709088A JP H01267917 A JPH01267917 A JP H01267917A
Authority
JP
Japan
Prior art keywords
resin film
aluminum
electrode
deposited
vapor
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
Application number
JP63097090A
Other languages
Japanese (ja)
Inventor
Kosei Oshima
大嶋 孝正
Katsunori Harima
播磨 勝則
Nobuyuki Fukutomi
福冨 信行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP63097090A priority Critical patent/JPH01267917A/en
Publication of JPH01267917A publication Critical patent/JPH01267917A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00Miscellaneous
    • H01H2239/008Static electricity considerations

Landscapes

  • Push-Button Switches (AREA)

Abstract

PURPOSE:To reduce the cost and improve the operatability by abolishing an upper sheet by way of inverting the position of the aluminum surface of an aluminum-vapor-deposited resin film and printing an upper electrode on the surface of the aluminum-vapor-deposited resin film. CONSTITUTION:An electrode constituted on the other side of an aluminum-vapor- deposited resin film and an electrode constituted of a lower sheet (e) are located at the positions opposite to each other with a spacer (d) in-between, by attaching together a dressed panel (a) dress-printed and glue-printed on one side of the resin film, an aluminum-vapor-deposited resin film (b') vapor-deposited with aluminum on one side of the resin film, the spacer (d) constituted with insulated materials, the glue-printed surface of the dressed panel (a) provided with an electrode and a lower sheet (e) with a resist printed thereon on one side of the resin film and the aluminum side of the aluminum-vapor-deposited resin film (b'), and by constituting an electrode on the other side of the aluminum- vapor-deposited resin film (b') and also attaching together the one side of the spacer (d), the surface of the lower sheet (e) provided with an electrode and resist printed thereon.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、メンブレンキーボード等のキーの入力装置に
関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a key input device such as a membrane keyboard.

従来の技術 従来のメンブレンキーボードについて図面をもとに説明
する。第4図は従来のキーボードの外観及び断面図であ
る。aは化粧パネルであり、文字やマーク、色が印刷さ
れている。bはアルミ蒸着樹脂フィルムといわれるもの
で、PETにAl(アルミ)を蒸着したものであり、主
に静電気対策のために使用されている。fはそのアルミ
蒸着樹脂フィルムの引き出し部であり、ビス締め等によ
りアースに落とすようにしている。この場合fの裏面側
がA1面となっている。Cは上部シート(以下「上部F
PCJと略す)であり、この上部FPCの裏面に上電極
を印刷している。eは下部シート(以下「下部FPCJ
と略す)であり、この下部FPCの表面に下電極やパタ
ーンを印刷し、その上にレジストを印刷している。°第
5図は従来のメンブレンキーボードの詳細な断面図であ
る。
2. Description of the Related Art A conventional membrane keyboard will be described with reference to the drawings. FIG. 4 is an external view and a sectional view of a conventional keyboard. A is a decorative panel on which characters, marks, and colors are printed. b is what is called an aluminum vapor-deposited resin film, which is made by vapor-depositing Al (aluminum) on PET, and is mainly used as a countermeasure against static electricity. f is a drawn-out portion of the aluminum vapor-deposited resin film, which is connected to the ground by tightening screws or the like. In this case, the back side of f is the A1 side. C is the upper sheet (hereinafter referred to as “upper F
(abbreviated as PCJ), and an upper electrode is printed on the back surface of this upper FPC. e is the lower sheet (hereinafter referred to as “lower FPCJ”)
A lower electrode and a pattern are printed on the surface of this lower FPC, and a resist is printed on top of the lower electrode and pattern. 5 is a detailed sectional view of a conventional membrane keyboard.

化粧パネル1は、樹脂フィルム1上に化粧印刷及びのり
印刷されている。アルミ蒸着樹脂フィルムは、樹脂フィ
ルムにAIを蒸着させ、また他面にはのりが付いている
ため、かなり高価なものとなっている。上部FPCoに
は、のり6が必要であり、また上電極16を印刷する必
要がある。スペーサdはたとえば、樹脂フィルム8の両
面にのり印刷されたものである。下部FPC・は、下電
極17及びレジスト10を印刷するとともに、他面に、
のり付樹脂フィルム及び離けい紙が必要である。下部F
PC上の下電極17と上部FPCの上電極16はスペー
サー−を介して、対向した位置に配置されている。第6
図(a) 、 (b)は、上部FPCおよび下部FPC
の電極の概要図である。上部FPCの電極は、ベタのカ
ーボンが多い。一方下部FPCの電極は櫛葉状の構成を
とっており、他のパターンはレジスト1oでオーバーコ
ートされている。
The decorative panel 1 has decorative printing and adhesive printing on the resin film 1. Aluminum vapor-deposited resin film is quite expensive because AI is vapor-deposited on the resin film and glue is attached to the other side. The upper FPCo requires glue 6 and also needs to print the upper electrode 16. The spacers d are, for example, printed with adhesive on both sides of the resin film 8. The lower FPC prints the lower electrode 17 and the resist 10, and also has the other side printed with the lower electrode 17 and resist 10.
Glued resin film and release paper are required. Lower F
The lower electrode 17 on the PC and the upper electrode 16 on the upper FPC are placed at opposite positions with a spacer interposed therebetween. 6th
Figures (a) and (b) show the upper FPC and lower FPC.
FIG. 2 is a schematic diagram of an electrode. The upper FPC electrode has a lot of solid carbon. On the other hand, the electrodes of the lower FPC have a comb leaf-like structure, and the other patterns are overcoated with resist 1o.

発明が解決しようとする課題 ところが、近年、製品の低価格化が要求され、キーボー
ドのコストダウンの実現が強く要望されてきた。また、
製品の開発サイクルが短くなる中で、短期間の部品開発
が急務であり、キーボードにおいても、構成する部品点
数を削減することが大きな課題となってきている。
Problems to be Solved by the Invention However, in recent years, there has been a demand for lower product prices, and there has been a strong desire to reduce the cost of keyboards. Also,
As product development cycles become shorter, there is an urgent need to develop parts in a short period of time, and reducing the number of components in keyboards is also becoming a major issue.

また、近年、キーボード搭載機種の増加に伴い、静電気
耐圧が低く、その対策に大変苦労している。
Furthermore, in recent years, with the increase in the number of models equipped with keyboards, the electrostatic withstand voltage has been low, and countermeasures have been extremely difficult.

また、キーのソフトタッチ化が望まれる中で、動作力が
大きくキーが入りにくいという課題が発生してきている
Additionally, while soft-touch keys are desired, the problem has arisen that the operating force is large and keys are difficult to press.

課題を解決するための手段 本発明のキー入力装置は、樹脂フィルムの片面に化粧印
刷及びのり印刷した化粧パネルと、樹脂フィルムの片面
にアルミを蒸着したアルミ蒸着樹脂フィルムと、ある所
定の厚さの絶縁物で構成されたスペーサーと、樹脂フィ
ルムの片面に電極およびレジストを印刷した下部シート
とを備え、前記化粧パネルののり印刷面と前記アルミ蒸
着樹脂フィルムのアルミ面を接着させ、前記アルミ蒸着
樹脂フィルムの他面に電極を構成するとともに前記スペ
ーサーの片面と接着させ、前記スペーサーの他面と前記
下部シートの電極およびレジスト印刷した面とを接着さ
せ、前記アルミ蒸着樹脂フィルムの他面に構成した電極
と前記下部シート上に構成した電極は、前記スペーサー
を介して対向した位置に配置する構成としたキー入力装
置である。
Means for Solving the Problems The key input device of the present invention comprises a decorative panel with decorative printing and adhesive printing on one side of a resin film, an aluminum vapor-deposited resin film with aluminum vapor-deposited on one side of the resin film, and a predetermined thickness. a spacer made of an insulator, and a lower sheet with an electrode and a resist printed on one side of a resin film, and the glue-printed surface of the decorative panel and the aluminum surface of the aluminum vapor-deposited resin film are adhered, and the aluminum vapor-deposited An electrode is formed on the other side of the resin film and adhered to one side of the spacer, and the other side of the spacer is adhered to the electrode and resist-printed side of the lower sheet, and the electrode is formed on the other side of the aluminum vapor-deposited resin film. The key input device is such that the electrode formed on the lower sheet and the electrode formed on the lower sheet are disposed at opposite positions with the spacer interposed therebetween.

作  用 本発明のキー入力装置すなわちメンブレンキーボードは
、従来のものと比較して、アルミ蒸着樹脂フィルムのア
ルミ面の位置を反転させることにより、アルミ蒸着樹脂
フィルムの樹脂フィルム面に上電極を印刷する構成をと
り、従来の上部FPCを廃止することが可能となり、直
材とともに工数面においても、大巾なコストダウンを実
現でき、さらに、静電気耐圧を向上させるとともに、動
作力を低減し、操作性を向上させるものである。
Function: The key input device of the present invention, that is, the membrane keyboard, prints an upper electrode on the resin film surface of the aluminum vapor-deposited resin film by reversing the position of the aluminum surface of the aluminum vapor-deposited resin film compared to conventional ones. structure, it is possible to eliminate the conventional upper FPC, and in addition to the direct materials, it is possible to achieve a significant cost reduction in terms of man-hours.Furthermore, it improves static electricity withstand voltage, reduces operating force, and improves operability. It is intended to improve

実施例 本発明の一実施例について図面に基づいて説明する。第
1図は本発明のキー入力装置(以下「メンブレン」と略
す)である。従来例(第4図)と比較した場合、アルミ
蒸着樹脂フィルムbを反転させたことにより、上部FP
Cが廃止できた。今回の場合、アルミ蒸着樹脂フィルム
引き出し部fに、化粧パネル虐は不要となる。AIの部
分は、引き出し部fの上面になっている。第2図は本発
明のメンブレンの断面の詳細図である。化粧パネル−は
従来と比較して、のり3が増えた。しかし、前述のごと
くアル主蒸着樹脂フィルムbは、のりが不要となりアル
ミ蒸着樹脂フィルム単品の直材の部分だけで大巾なコス
トダウンが実現できた。
Embodiment An embodiment of the present invention will be described based on the drawings. FIG. 1 shows a key input device (hereinafter abbreviated as "membrane") of the present invention. When compared with the conventional example (Fig. 4), by inverting the aluminum vapor-deposited resin film b, the upper FP
C could be abolished. In this case, there is no need to attach a decorative panel to the aluminum vapor-deposited resin film drawer part f. The AI portion is the upper surface of the drawer part f. FIG. 2 is a detailed cross-sectional view of the membrane of the invention. The decorative panel has an increase of 3 glue compared to the conventional model. However, as mentioned above, the aluminum-based vapor-deposited resin film b does not require glue, and a significant cost reduction can be achieved by using only the direct portion of the aluminum-vapor-deposited resin film.

第2図のように今回はアルミ5が上面に出てきている。As shown in Figure 2, this time aluminum 5 is coming out on the top.

耐静電気に対しても、上からビス締めすれば問題はない
。また、アルミ蒸着樹脂フィルムの樹脂フィルム4に直
接上電極を印刷している。このような構成により上部F
PCが廃止できた。スペーサー−は、たとえば樹脂フィ
ルム8の両面にのり印刷されたものである。下部FPC
eは、下電極17およびレジスト1oを印刷するととも
に、他面に、のり付樹脂フィルム及び罷けい紙を付加し
て完成となる。今回の化粧パネルは、アルミ蒸着樹脂フ
ィルム引き出し部分は不要となったが、アルミ蒸着樹脂
フィルム引き出し部の有無で化粧パネルのコストにどの
ような差が出てくるかを、第3図(a) 、 (b)を
用いて説明する。いま、従来のメンブンの化粧パネルの
外径をl×mとし、アルミ蒸着樹脂フィルムの引き出し
部の長さをm′とする。
There is no problem with static electricity resistance if you tighten the screws from above. Further, the upper electrode is printed directly on the resin film 4, which is an aluminum vapor-deposited resin film. With this configuration, the upper F
I was able to abolish my PC. The spacers are, for example, printed with adhesive on both sides of the resin film 8. Lower FPC
In case e, the lower electrode 17 and the resist 1o are printed, and a glued resin film and a liner paper are added to the other side to complete the process. Although this decorative panel does not require an aluminum vapor-deposited resin film pull-out part, Figure 3 (a) shows the difference in cost of the decorative panel depending on the presence or absence of an aluminum-vapor-deposited resin film pull-out part. , (b). Let us now assume that the outer diameter of the decorative panel of the conventional membrane is l×m, and the length of the drawn-out portion of the aluminum vapor-deposited resin film is m'.

化粧パネルは樹脂フィルムを印刷して作るのであるが、
樹脂フィルムの大きさ(定型)は50゜(rnm)X6
00 (mm)であり、ここから、何枚取れるかでコス
トが決ってくる。いま、樹脂フィルムの定型をLXMと
し、隣接間の必要距離を縦方向Δl、横方向Δmとする
。すると取り数Nは、 となり、アルミ蒸着フィルム引き出し部のm′が大巾な
ロスとなっていた。
Decorative panels are made by printing resin film,
The size of the resin film (standard size) is 50° (rnm) x 6
00 (mm), and the cost is determined by how many sheets can be taken from this. Now, assume that the standard shape of the resin film is LXM, and the required distance between adjacent films is Δl in the vertical direction and Δm in the horizontal direction. Then, the number of strips N was as follows, and there was a large loss in m' of the aluminum vapor-deposited film pull-out section.

ここで、化粧パネルのコストCを考えると、PET代・
・・p、化粧印刷代・・・q、プレス代・・r、のり代
・・・3 とすると、 ””   (p+q+r+s)  となる。
Here, considering the cost C of the decorative panel, the PET cost and
...p, cosmetic printing cost...q, press cost...r, glue cost...3, then it becomes ``'' (p+q+r+s).

本発明のメンブインは、第3図(1+)で示すように、
アルミ蒸着樹脂フィルムの引き出し部がないため次のよ
うに、取り数はなる。
The membrane of the present invention, as shown in FIG. 3 (1+),
Since there is no pull-out part for the aluminum vapor-deposited resin film, the number of parts to be removed is as follows.

NQ<Nlのため、化粧パネルのコストもcm>clと
なり、コストダウンが連成できた。
Since NQ<Nl, the cost of the decorative panel was also cm>cl, resulting in a coupled cost reduction.

また、第3図(c)は、化粧パネル表面とアルミ面との
距離L1とキーボードの静電気の耐圧の関係を示したも
のである。従来の場合化粧パネルの厚さにアルミ蒸着樹
脂フィルムの厚さを加えた距離L′1になっており、静
電気耐圧もx′1と低いものであった。しかし今回、ア
ルミ蒸着樹脂フィルムの表裏を反転することで、化粧パ
ネル表面とアルミ面との距離がビ′1と短くなり、静電
気耐圧も、21と大きく上げることが可能となり、品質
面で改善できた。
Further, FIG. 3(c) shows the relationship between the distance L1 between the decorative panel surface and the aluminum surface and the static electricity withstand voltage of the keyboard. In the conventional case, the distance L'1 is the sum of the thickness of the decorative panel and the thickness of the aluminum-deposited resin film, and the electrostatic withstand voltage is as low as x'1. However, this time, by reversing the front and back sides of the aluminum vapor-deposited resin film, the distance between the decorative panel surface and the aluminum surface can be shortened to 1 Bi'1, and the static electricity withstand voltage can be greatly increased to 21, making it possible to improve quality. Ta.

さらに、第3図(d)は、化粧パネル表面と上電極との
距mL2とキーボードの動作力の関係を示したものであ
る。距離L2が大きくなれば、キーは押しに<<、入り
にくくなり、動作力が上がる。
Furthermore, FIG. 3(d) shows the relationship between the distance mL2 between the decorative panel surface and the upper electrode and the operating force of the keyboard. As the distance L2 increases, it becomes harder to press the key, and the operating force increases.

従来の場合、化粧パネルの厚さとアルミ蒸着フィルムの
厚さ、さらに上部シートの厚さを加えた距離L2にな−
ており、動作力もY′1 と高いものになっていた。し
かし、今回は、上部シートを廃止 lするができたため
に、その距離をL2に短くでき、動作力をYlに低減で
きるようになった。そのために、キーのソフトタッチ化
が可能となり操作性が大きく向上できた。
In the conventional case, the distance L2 is the sum of the thickness of the decorative panel, the thickness of the aluminum vapor-deposited film, and the thickness of the upper sheet.
The operating force was also as high as Y'1. However, this time, because we were able to eliminate the upper sheet, we were able to shorten the distance to L2 and reduce the operating force to Yl. As a result, the keys can be made soft-touch, greatly improving operability.

発明の効果 (1)  アルミ蒸着樹脂フィルムを反転することで、
アルミ樹脂フィルム及び化粧のパネルのコストダウンが
可能となり、さらに上部FPCを廃止することでメンプ
レイキー全体で大巾なコストダウンが実現できた。
Effects of the invention (1) By reversing the aluminum vapor-deposited resin film,
It has become possible to reduce the cost of the aluminum resin film and decorative panels, and by eliminating the upper FPC, we have been able to achieve significant cost reductions for the entire Menple Key.

ぐ)キーの使用部品点数が削減でき、開発日程の短縮化
と、潰産品の安定供給が可能となった。
g) The number of key parts used has been reduced, making it possible to shorten the development schedule and ensure a stable supply of crushed products.

(3)化粧パネル表面とアルミ面との距離を短くするこ
とで静電気耐圧を著しく向上でき、品質向上が図れた。
(3) By shortening the distance between the decorative panel surface and the aluminum surface, the electrostatic withstand voltage was significantly improved, and quality was improved.

(4)化粧パネル表面と、上電極との距離を短くするこ
とで、キーの動作力の低減ができ、キーのソフトタッチ
化が可能となり、操作性が大きく向上できた。
(4) By shortening the distance between the decorative panel surface and the upper electrode, the operating force of the keys can be reduced, making it possible to make the keys soft-touch, and greatly improving operability.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明のメンブレンキーの外観図、第(c)は
、キーボードの静電気耐圧の特性図、第3図(d)はキ
ーボードの動作力の特性図、第4図は従来のメンブレン
キーの外観図、第5図は従来のメンブレンキーの断面図
、第6図(a) 、 (b)は従来の上部FPC及び下
部FPCの電極汝チパターン構成図である。 1・・・・・・樹脂フィルム、2・・・・・・化粧印刷
、3・・・・・・のり、4・・・・・・樹脂フィルム、
5・・・・・:A l (アルミ)、6・・・・・・の
り、7・・・・・・樹脂フィルム、8・・・・・・樹脂
フィルム、9・・・・・・の))、10・・・・・・レ
ジスト、11・・・・・・樹脂フィルム、12・・・・
・・のり、13・・・・・・樹脂フィルム、14・・・
・・・のり、15・・・・・・離けい紙、16・・・・
・・上電極、17・・・・・・下電極、−・・・・・・
化粧パネル、b 、 b’・・・・・・アルミ蒸着樹脂
フィルム、C・・・・・・上部FPC,d・・・・・・
スペーサー、・・・・・・・下部FPC。 f・・・・・・アルミ蒸着樹脂フィルム引き出し部、9
・・・・・・FPCのリード引き出し部。 代理人の氏名 弁理士 中 尾 敏 男 ほか1名a′
−化技パネル b′−・・ アルミ蒸噛樹Niフィルムd−°スペーナ
ー e−−一下部FPC f  −°・ 11さセレ部アルミ黒署桝脂フィルムJ
il  図 n−一下電極 第2図 第3図    (α] 第3図 tC+ 化1庄パネル表面とアル薗との距維 (d) づヒ椹バ浄ル表@ti’lt糧との距皺第4図 a 第5図
Figure 1 is an external view of the membrane key of the present invention, Figure (c) is a characteristic diagram of the keyboard's static electricity resistance, Figure 3 (d) is a characteristic diagram of the operating force of the keyboard, and Figure 4 is a diagram of the conventional membrane key. 5 is a sectional view of a conventional membrane key, and FIGS. 6(a) and 6(b) are configuration diagrams of electrode patterns of a conventional upper FPC and lower FPC. 1... Resin film, 2... Decorative printing, 3... Glue, 4... Resin film,
5...: Al (aluminum), 6... glue, 7... resin film, 8... resin film, 9...... )), 10...Resist, 11...Resin film, 12...
...Glue, 13...Resin film, 14...
...Glue, 15...Release paper, 16...
...Top electrode, 17...Bottom electrode, -...
Decorative panel, b, b'... Aluminum vapor deposited resin film, C... Upper FPC, d...
Spacer, lower FPC. f... Aluminum vapor deposited resin film drawer part, 9
・・・・・・FPC lead extraction part. Name of agent: Patent attorney Toshio Nakao and one other person a'
-Chemical panel b'-...Aluminum steamed Ni film d-°Spaner e--Lower FPC f-°・11 Selection part Aluminum black plate resin film J
il Fig. n - Lower electrode Fig. 2 Fig. 3 (α) Fig. 3 tC+ Distance between the panel surface and Alzono (d) Distance between the surface of the panel and the surface of the surface @ti'lt Figure 4a Figure 5

Claims (2)

【特許請求の範囲】[Claims] (1)樹脂フィルムの片面に化粧印刷およびのり印刷し
た化粧パネルと、樹脂フィルムの片面にアルミを蒸着し
たアルミ蒸着樹脂フィルムと、ある所定の厚さの絶縁物
で構成されたスペーサーと、樹脂フィルムの片面に電極
及びレジストを印刷した下部シートとを備え、前記化粧
パネルののり印刷面と前記アルミ蒸着樹脂フィルムのア
ルミ面を接着させ、前記アルミ蒸着樹脂フィルムの他面
に電極を構成するとともに前記スペーサーの片面と接着
させ、前記スペーサーの他面と前記下部シートの電極お
よびレジスト印刷した面とを接着させ、前記アルミ蒸着
樹脂フィルムの他面に構成した電極と前記下部シート上
に構成した電極は、前記スペーサーを介して対向した位
置に配置する構成としたキー入力装置。
(1) A decorative panel with decorative printing and adhesive printing on one side of a resin film, an aluminum vapor-deposited resin film with aluminum vapor-deposited on one side of the resin film, a spacer made of an insulator of a certain thickness, and a resin film. a lower sheet having an electrode and a resist printed on one side thereof, the glue-printed surface of the decorative panel and the aluminum surface of the aluminum vapor-deposited resin film are adhered, and an electrode is formed on the other surface of the aluminum vapor-deposited resin film, and the One side of the spacer is adhered, and the other side of the spacer is adhered to the electrode and resist printed side of the lower sheet, and the electrode formed on the other side of the aluminum vapor-deposited resin film and the electrode formed on the lower sheet are bonded together. , a key input device configured to be arranged at opposing positions with the spacer interposed therebetween.
(2)アルミ蒸着樹脂フィルムの他面に構成した電極に
カーボンを使用し、前記下部シート上に構成した電極に
、銀とカーボンの混合物を使用した構成の請求項1記載
のキー入力装置。
(2) The key input device according to claim 1, wherein the electrode formed on the other side of the aluminum vapor-deposited resin film is made of carbon, and the electrode formed on the lower sheet is made of a mixture of silver and carbon.
JP63097090A 1988-04-20 1988-04-20 Key input device Pending JPH01267917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63097090A JPH01267917A (en) 1988-04-20 1988-04-20 Key input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63097090A JPH01267917A (en) 1988-04-20 1988-04-20 Key input device

Publications (1)

Publication Number Publication Date
JPH01267917A true JPH01267917A (en) 1989-10-25

Family

ID=14182942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63097090A Pending JPH01267917A (en) 1988-04-20 1988-04-20 Key input device

Country Status (1)

Country Link
JP (1) JPH01267917A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760334B2 (en) * 1974-02-25 1982-12-18 Daicel Chem
JPS5953726B2 (en) * 1978-11-25 1984-12-26 アルプス電気株式会社 Sawtooth wave generator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760334B2 (en) * 1974-02-25 1982-12-18 Daicel Chem
JPS5953726B2 (en) * 1978-11-25 1984-12-26 アルプス電気株式会社 Sawtooth wave generator

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