JPH0667789A - Coordinate input device - Google Patents
Coordinate input deviceInfo
- Publication number
- JPH0667789A JPH0667789A JP21810392A JP21810392A JPH0667789A JP H0667789 A JPH0667789 A JP H0667789A JP 21810392 A JP21810392 A JP 21810392A JP 21810392 A JP21810392 A JP 21810392A JP H0667789 A JPH0667789 A JP H0667789A
- Authority
- JP
- Japan
- Prior art keywords
- strip
- substrate
- substrates
- input device
- coordinate input
- 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.)
- Withdrawn
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はディスプレイ装置に装着
し表示面にタッチすることで情報処理装置に命令やデー
タを入力する装置に係り、特に複数の点を同時に押下し
てもそれぞれの点の位置信号を出力可能な感圧型抵抗膜
方式の座標入力装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for inputting a command or data to an information processing device by mounting it on a display device and touching the display surface, and more particularly, even if a plurality of points are simultaneously pressed, The present invention relates to a pressure-sensitive resistance film type coordinate input device capable of outputting a position signal.
【０００２】ディスプレイ装置の表示面に装着された座
標入力装置を介して情報処理装置等に命令やデータを入
力するに際し、「コントロール」キーや「Shift 」キー
に相当する領域とその他のキーに相当する領域の情報を
同時に入力する場合がある。When inputting a command or data to an information processing device or the like via a coordinate input device mounted on the display surface of a display device, it corresponds to a region corresponding to a “control” key or a “shift” key and other keys. In some cases, the information of the area to be entered may be entered at the same time.
【０００３】しかし、通常の座標入力装置は複数箇所を
同時に押下すると複数の信号が入力されず異なった一つ
の信号が入力される。そこで複数箇所を同時に押下する
ことによって複数の信号を同時に入力可能な座標入力装
置の開発が要望されている。However, in a normal coordinate input device, when a plurality of points are simultaneously depressed, a plurality of signals are not input and a different signal is input. Therefore, it is desired to develop a coordinate input device capable of simultaneously inputting a plurality of signals by simultaneously pressing a plurality of points.
【０００４】[0004]
【従来の技術】図６は従来のアナログ型座標入力装置を
示す模式図、図７は従来のマトリクス型座標入力装置を
示す模式図である。2. Description of the Related Art FIG. 6 is a schematic diagram showing a conventional analog type coordinate input device, and FIG. 7 is a schematic diagram showing a conventional matrix type coordinate input device.
【０００５】従来の感圧型抵抗膜方式の座標入力装置に
はスペーサを介して２枚の導電性膜を対向させたアナロ
グ型座標入力装置と、等間隔に形成された複数の帯状電
極をスペーサを介して交差するように配置したマトリク
ス型座標入力装置がある。A conventional pressure-sensitive resistance film type coordinate input device is provided with an analog type coordinate input device in which two conductive films are opposed to each other via a spacer and a plurality of strip-shaped electrodes formed at equal intervals. There is a matrix type coordinate input device arranged so as to intersect with each other.
【０００６】図６(a) において従来のアナログ型座標入
力装置１はスペーサ11を介して２枚の基板12上の導電性
膜13を対向せしめ、導電性膜11はそれぞれ例えば連動す
る切替回路2a、2b、2cを介して電源３およびＡ／Ｄコン
バータ４に接続されている。In FIG. 6 (a), a conventional analog type coordinate input device 1 has conductive films 13 on two substrates 12 opposed to each other via a spacer 11, and the conductive films 11 are, for example, interlocking switching circuits 2a. , 2b, 2c are connected to the power supply 3 and the A / D converter 4.
【０００７】図示の如く切替回路2a、2b、2cをｘ側にす
ると切替回路2a、2bを介して一方の導電性膜11のＸ軸方
向に電圧が印加され、押下された点に対応するアナログ
信号が他方の導電性膜11と切替回路2cを介してＡ／Ｄコ
ンバータ４に入力される。As shown in the figure, when the switching circuits 2a, 2b, 2c are set to the x side, a voltage is applied in the X-axis direction of one conductive film 11 via the switching circuits 2a, 2b, and the analog signal corresponding to the pressed point is displayed. The signal is input to the A / D converter 4 via the other conductive film 11 and the switching circuit 2c.
【０００８】次いで切替回路2a、2b、2cでｙ側を選択す
ると切替回路2a、2cを介して一方の導電性膜11のＹ軸方
向に電圧が印加され、押下された点に対応するアナログ
信号が他方の導電性膜11と切替回路2bを介してＡ／Ｄコ
ンバータ４に入力される。Next, when the y side is selected by the switching circuits 2a, 2b, 2c, a voltage is applied in the Y-axis direction of one conductive film 11 via the switching circuits 2a, 2c, and an analog signal corresponding to the pressed point is obtained. Is input to the A / D converter 4 via the other conductive film 11 and the switching circuit 2b.
【０００９】このようにアナログ型の座標入力装置は基
板12上の任意の一点を押下した状態で切替回路2a、2b、
2cを切り換えると、押下した点のＸ軸方向の座標に対応
するアナログ信号とＹ軸方向の座標に対応するアナログ
信号が順次出力される。As described above, the analog-type coordinate input device has the switching circuits 2a, 2b,
When 2c is switched, an analog signal corresponding to the coordinate of the pressed point in the X-axis direction and an analog signal corresponding to the coordinate of the Y-axis direction are sequentially output.
【００１０】しかし、従来のアナログ型座標入力装置１
は図６(b) に示す如く２点を同時に押下すると導電性膜
の抵抗値が合成され、押下した点ａ、ｂの座標に対応す
るアナログ信号ではなく合成された抵抗値に相当するア
ナログ信号が出力される。However, the conventional analog type coordinate input device 1
As shown in Fig. 6 (b), when two points are pressed at the same time, the resistance values of the conductive film are combined, and not the analog signal corresponding to the coordinates of the pressed points a and b, but the analog signal corresponding to the combined resistance value. Is output.
【００１１】一方、図７(a) において従来のマトリクス
型座標入力装置５はスペーサ51を介して対向せしめた２
枚の基板52を有し、基板52上にそれぞれ等間隔に形成さ
れた複数の帯状電極53は所定の間隔を隔てて互いに交差
するように配置されている。On the other hand, in FIG. 7 (a), the conventional matrix type coordinate input device 5 is made to face each other through a spacer 51.
A plurality of strip-shaped electrodes 53, which have a single substrate 52 and are formed on the substrate 52 at equal intervals, are arranged so as to intersect each other at a predetermined interval.
【００１２】帯状電極53はそれぞれ例えば連動する切替
回路6a、6b、6cを介して電源３とＡ／Ｄコンバータ４に
接続されており、切替回路6a、6b、6cを順次切り換え一
方の帯状電極53に電圧を印加し他方の帯状電極53をＡ／
Ｄコンバータ４に接続する。The strip electrode 53 is connected to the power supply 3 and the A / D converter 4 via interlocking switching circuits 6a, 6b and 6c, respectively, and the switching circuits 6a, 6b and 6c are sequentially switched to one strip electrode 53. Voltage to the other strip electrode 53
Connect to the D converter 4.
【００１３】このようにマトリクス型の座標入力装置は
基板52上の任意の点を押下した状態で切替回路6a、6b、
6cを切り換えると、押下した点のＸ軸方向の座標に対応
するアナログ信号とＹ軸方向の座標に対応するアナログ
信号が順次出力される。As described above, the matrix-type coordinate input device has switching circuits 6a, 6b,
When 6c is switched, an analog signal corresponding to the X-axis direction coordinates of the pressed point and an analog signal corresponding to the Y-axis direction coordinates are sequentially output.
【００１４】例えば、図７(b) に示す如く２点ａ、ｂを
押下したあと帯状電極X1、X2、Y1、Y2を順次選択して電
圧を印加すると、帯状電極Y1、X1からａ点の座標を示す
信号が順次出力され帯状電極Y2、X2からｂ点の座標を示
す信号が順次出力される。For example, as shown in FIG. 7B, when two points a and b are pressed and then the strip electrodes X 1 , X 2 , Y 1 and Y 2 are sequentially selected and a voltage is applied, the strip electrode Y 1 , signal from X 1 shows the coordinates of the point b from strip electrodes Y 2, X 2 signal is sequentially output indicative of the coordinates of a point are sequentially output.
【００１５】[0015]
【発明が解決しようとする課題】複数の帯状電極を有す
るマトリクス型座標入力装置は導電性膜が一体化された
アナログ型座標入力装置とは異なり、複数の帯状電極を
それぞれ切替回路の独立した回路に接続することが可能
で複数の押下点を同時に検出することができる。A matrix type coordinate input device having a plurality of strip electrodes is different from an analog type coordinate input device in which a conductive film is integrated, and each of the plurality of strip electrodes has an independent circuit of a switching circuit. It is possible to connect to and to detect a plurality of pressed points at the same time.
【００１６】しかし、押下点が３点以上になり２枚の基
板上の同一帯状電極の２点を同時に押下すると電流の回
り込みが生じる。図７(b) に示す如く２点ａ、ｂの他に
点ｃが押下されと２枚の基板の帯状電極X1、Y2はそれぞ
れ２点が同時に押下される。However, when the number of pressing points becomes three or more and two points of the same strip electrode on two substrates are simultaneously pressed, current sneak occurs. As shown in FIG. 7 (b), when the point c is pressed in addition to the two points a and b, the strip electrodes X 1 and Y 2 of the two substrates are simultaneously pressed at two points respectively.
【００１７】その結果、仮想点ｄが存在する如く帯状電
極X2に電圧を印加すると点ｂのＸ座標を示す信号が帯状
電極Y1から出力され、同様に帯状電極Y1に電圧を印加す
ると点ａのＹ座標を示す信号が帯状電極X2から出力され
るという問題があった。As a result, when a voltage is applied to the strip electrode X 2 so that the virtual point d exists, a signal indicating the X coordinate of the point b is output from the strip electrode Y 1 , and similarly when a voltage is applied to the strip electrode Y 1. There is a problem that a signal indicating the Y coordinate of the point a is output from the strip electrode X 2 .
【００１８】本発明の目的は押下点のみに対応した複数
の信号を同時に出力可能な座標入力装置を提供すること
にある。An object of the present invention is to provide a coordinate input device capable of simultaneously outputting a plurality of signals corresponding to only the pressed points.
【００１９】[0019]
【課題を解決するための手段】図１は本発明になる座標
入力装置を示す模式図である。なお全図を通し同じ対象
物は同一記号で表している。FIG. 1 is a schematic diagram showing a coordinate input device according to the present invention. Note that the same object is denoted by the same symbol throughout the drawings.
【００２０】上記課題はそれぞれ複数の帯状電極が形成
されてなる２枚の基板と基板の間に介在せしめたスペー
サを有し、２枚の基板の少なくとも一方の基板が可撓性
を有する絶縁体によって構成され、かつ、対向せしめた
帯状電極が互いに交差するよう配置されてなる感圧型抵
抗膜方式の座標入力装置において、第１の基板71または
第２の基板72のいずれか一方に形成されてなる複数の帯
状電極74が整流性材料からなり、かつ、他方に形成され
てなる複数の帯状電極75が導電性材料からなる本発明の
座標入力装置によって達成される。[0020] The above-mentioned problem has two substrates each having a plurality of strip electrodes and a spacer interposed between the substrates, and at least one of the two substrates is a flexible insulator. In the pressure-sensitive resistance film type coordinate input device, which is formed by and is arranged so as to face each other, the strip-shaped electrodes are formed on either the first substrate 71 or the second substrate 72. This is achieved by the coordinate input device of the present invention in which the plurality of strip-shaped electrodes 74 made of a rectifying material and the plurality of strip-shaped electrodes 75 formed on the other side are made of a conductive material.
【００２１】[0021]
【作用】図１において第１の基板または第２の基板のい
ずれか一方に整流性材料からなる複数の帯状電極を形成
すると共に、他方に導電性材料からなる複数の帯状電極
を形成することによって仮想点信号の要因となる電流の
回り込みを低減できる。In FIG. 1, by forming a plurality of strip electrodes made of a rectifying material on one of the first substrate and the second substrate and forming a plurality of strip electrodes made of a conductive material on the other. It is possible to reduce the sneak of the current that causes the virtual point signal.
【００２２】即ち、押下点のみに対応した複数の信号を
同時に出力可能な座標入力装置を実現することができ
る。That is, it is possible to realize a coordinate input device capable of simultaneously outputting a plurality of signals corresponding to only the pressed points.
【００２３】[0023]
【実施例】以下添付図により本発明の実施例について説
明する。図２は本発明になる座標入力装置の第２の実施
例を示す斜視図、図３は本発明になる座標入力装置の第
３の実施例を示す斜視図、図４は本発明になる座標入力
装置の第４の実施例を示す斜視図、図５は本発明になる
座標入力装置の第５の実施例を示す斜視図である。Embodiments of the present invention will be described below with reference to the accompanying drawings. 2 is a perspective view showing a second embodiment of the coordinate input device according to the present invention, FIG. 3 is a perspective view showing a third embodiment of the coordinate input device according to the present invention, and FIG. 4 is a coordinate view according to the present invention. FIG. 5 is a perspective view showing a fourth embodiment of the input device, and FIG. 5 is a perspective view showing a fifth embodiment of the coordinate input device according to the present invention.
【００２４】本発明になる座標入力装置の第１の実施例
は図１(a) に示す如くスペーサ73を介して対向せしめた
基板71、72を有し、基板71、72上に等間隔に形成された
複数の帯状電極74、75は所定の間隔を隔てて互いに交差
するように配置されている。The first embodiment of the coordinate input device according to the present invention has substrates 71 and 72 opposed to each other via a spacer 73 as shown in FIG. The formed plurality of strip-shaped electrodes 74, 75 are arranged so as to intersect with each other at a predetermined interval.
【００２５】可撓性を要求される第１の基板71はポリエ
チレンテレフタレートやポリエーテルサルフォン等のフ
ィルムからなり、第１の基板71上には In2O3、SnO2、Zn
O2等の透明な導電性材料からなる複数の帯状電極75が等
間隔に形成されている。The first substrate 71, which is required to have flexibility, is made of a film of polyethylene terephthalate, polyether sulfone or the like, and In 2 O 3 , SnO 2 , Zn is formed on the first substrate 71.
A plurality of strip electrodes 75 made of a transparent conductive material such as O 2 are formed at equal intervals.
【００２６】かかる In2O3、SnO2、ZnO2等からなる透明
な導電性膜の基板上への生成には直流スパッタリング装
置が用いられ、酸素フロー中において公知の製膜条件で
スパッタリングすることで比抵抗が５×10-4Ω・cm以下
の膜を得ることができる。A direct current sputtering device is used to generate such a transparent conductive film of In 2 O 3 , SnO 2 , ZnO 2 and the like on a substrate, and sputtering is performed under known film forming conditions in an oxygen flow. Thus, a film having a specific resistance of 5 × 10 −4 Ω · cm or less can be obtained.
【００２７】また、第１の基板71のように可撓性を要求
されない第２の基板72はガラス基板や透明なプラスチッ
クシート基板からなり、第２の基板72上には整流性材料
である例えばCuO の膜からなる複数の帯状電極74が等間
隔に形成されている。The second substrate 72, which is not required to have flexibility like the first substrate 71, is made of a glass substrate or a transparent plastic sheet substrate, and a rectifying material is used on the second substrate 72, for example. A plurality of strip electrodes 74 made of a CuO 3 film are formed at equal intervals.
【００２８】第１の基板71への帯状電極75の形成および
第２の基板72への帯状電極74の形成は公知のフォトリソ
グラフィ技術で行う。即ち、導電性材料からなる膜また
は整流性材料からなる膜にポジ型のレジストを塗布し露
光したあとエッチングする。The formation of the strip electrode 75 on the first substrate 71 and the formation of the strip electrode 74 on the second substrate 72 are performed by a known photolithography technique. That is, a positive resist is applied to a film made of a conductive material or a film made of a rectifying material, exposed, and then etched.
【００２９】かかる座標入力装置において図１(b) に示
す如く３点ａ、ｂ、ｃを押下したあと帯状電極X1を選択
し電圧を印加すると、まずａ点のＸ座標を示す信号が帯
状電極Y1から出力され次いでｃ点のＸ座標を示す信号が
帯状電極Y2から出力される。In such a coordinate input device, as shown in FIG. 1 (b), when three points a, b and c are pressed and then the strip electrode X 1 is selected and a voltage is applied, first, a signal indicating the X coordinate of the point a is striped. A signal that is output from the electrode Y 1 and then indicates the X coordinate of point c is output from the strip electrode Y 2 .
【００３０】従来の装置とは異なり帯状電極X2を選択し
電圧を印加するとｂ点のＸ座標を示す信号が帯状電極Y2
から出力されるが、整流性材料からなる帯状電極Y2によ
り信号電流の逆流が阻止され他の導体を経て帯状電極Y1
から出力されることはない。Unlike the conventional device, when the strip electrode X 2 is selected and a voltage is applied, a signal indicating the X coordinate of the point b is produced as the strip electrode Y 2.
However, the reverse flow of the signal current is blocked by the strip electrode Y 2 made of a rectifying material, and the strip electrode Y 1 passes through another conductor.
Is never output from.
【００３１】このように第１の基板または第２の基板の
いずれか一方に整流性材料からなる複数の帯状電極を形
成し、他方に導電性材料からなる複数の帯状電極を形成
することによって仮想点信号の要因となる電流の回り込
みが低減され、押下点のみに対応した複数の信号を同時
に出力可能な座標入力装置を実現することができる。In this way, by forming a plurality of strip electrodes made of a rectifying material on one of the first substrate and the second substrate and forming a plurality of strip electrodes made of a conductive material on the other, the virtual It is possible to realize a coordinate input device in which the sneak of the current that causes the point signal is reduced and a plurality of signals corresponding to only the pressed points can be simultaneously output.
【００３２】本発明になる座標入力装置の第２の実施例
は図２に示す如くスペーサ73を介して対向せしめた基板
71、72を具えており、基板71、72上に等間隔に形成され
た複数の帯状電極76は所定の間隔を隔てて互いに交差す
るように配置されている。The second embodiment of the coordinate input device according to the present invention is a substrate opposed to each other via a spacer 73 as shown in FIG.
71, 72, a plurality of strip-shaped electrodes 76 formed on the substrates 71, 72 at equal intervals are arranged so as to intersect each other at a predetermined interval.
【００３３】可撓性が要求される第１の基板71はポリエ
チレンテレフタレートやポリエーテルサルフォン等のフ
ィルムからなり、基板71のように可撓性を要求されない
第２の基板72にはガラス基板や透明なプラスチックシー
ト基板が用いられている。The first substrate 71 which is required to have flexibility is made of a film such as polyethylene terephthalate or polyether sulfone, and the second substrate 72 which is not required to be flexible like the substrate 71 is a glass substrate or a substrate. A transparent plastic sheet substrate is used.
【００３４】第１の基板71と第２の基板72に In2O3、Sn
O2、ZnO2等の導電性材料からなる複数の帯状電極76が等
間隔に形成され、基板72に形成された帯状電極76は基板
71上の帯状電極76と交差する点にCuO 等の整流性材料か
らなる接点77を具えている。On the first substrate 71 and the second substrate 72, In 2 O 3 , Sn
A plurality of strip electrodes 76 made of a conductive material such as O 2 and ZnO 2 are formed at equal intervals, and the strip electrodes 76 formed on the substrate 72 are
A contact 77 made of a rectifying material such as CuO 3 is provided at a point where the strip electrode 76 on the 71 intersects.
【００３５】かかる座標入力装置は帯状電極に形成され
た整流性材料からなる接点の作用によって信号電流の逆
流が阻止され、前記第１の実施例と同様に複数の点を同
時に押下したとき仮想点信号の要因となる電流の回り込
みを低減することができる。In such a coordinate input device, the backflow of the signal current is blocked by the action of the contact made of the rectifying material formed on the strip electrode, and when a plurality of points are simultaneously pressed like the first embodiment, virtual points are generated. It is possible to reduce the sneak of current that causes a signal.
【００３６】本発明になる座標入力装置の第３の実施例
は図３に示す如くスペーサ73を介して対向せしめた基板
71、72を有し、基板71、72上に等間隔に形成された複数
の帯状電極78、79は所定の間隔を隔てて互いに交差する
ように配置されている。The third embodiment of the coordinate input device according to the present invention is a substrate opposed to each other via a spacer 73 as shown in FIG.
A plurality of strip electrodes 78 and 79 having 71 and 72 and formed on the substrates 71 and 72 at equal intervals are arranged so as to intersect each other with a predetermined interval.
【００３７】可撓性を要求される第１の基板71はポリエ
チレンテレフタレートやポリエーテルサルフォン等のフ
ィルムからなり、第１の基板71上には金(Au)、銀(Ag)、
アルミニウム(Al)等の金属膜からなる複数の帯状電極79
が等間隔に形成されている。The first substrate 71, which is required to have flexibility, is made of a film of polyethylene terephthalate, polyether sulfone, or the like, and gold (Au), silver (Ag),
Multiple strip electrodes 79 made of a metal film such as aluminum (Al) 79
Are formed at equal intervals.
【００３８】また、第１の基板71のように可撓性を要求
されない第２の基板72はガラス基板や透明なプラスチッ
クシート基板からなり、第２の基板72上にはシリコン(S
i)やゲルマニウム(Ge)等の半導体膜からなる複数の帯状
電極78が形成されている。The second substrate 72, which is not required to have flexibility like the first substrate 71, is made of a glass substrate or a transparent plastic sheet substrate, and a silicon (S
A plurality of strip electrodes 78 made of a semiconductor film such as i) or germanium (Ge) are formed.
【００３９】かかる座標入力装置は接触させた金属膜と
半導体膜からなる帯状電極の整流作用によって信号電流
の逆流が阻止され、第１の実施例と同様に複数の点を同
時に押下したとき仮想点信号の要因となる電流の回り込
みを低減することができる。In such a coordinate input device, the backflow of the signal current is blocked by the rectifying action of the strip-shaped electrodes made of the metal film and the semiconductor film which are brought into contact with each other. It is possible to reduce the sneak of current that causes a signal.
【００４０】本発明になる座標入力装置の第４の実施例
は図４に示す如くスペーサ73を介して対向せしめた基板
71、72を具えており、基板71、72上に等間隔に形成され
た複数の帯状電極80は所定の間隔を隔てて互いに交差す
るように配置されている。The fourth embodiment of the coordinate input device according to the present invention is a substrate opposed to each other via a spacer 73 as shown in FIG.
71, 72, a plurality of strip-shaped electrodes 80 formed on the substrates 71, 72 at equal intervals are arranged so as to intersect each other at a predetermined interval.
【００４１】可撓性が要求される第１の基板71はポリエ
チレンテレフタレートやポリエーテルサルフォン等のフ
ィルムからなり、基板71のように可撓性を要求されない
第２の基板72にはガラス基板や透明なプラスチックシー
ト基板が用いられている。The first substrate 71 which is required to be flexible is made of a film such as polyethylene terephthalate or polyether sulfone, and the second substrate 72 which is not required to be flexible like the substrate 71 is a glass substrate or the like. A transparent plastic sheet substrate is used.
【００４２】第１の基板71と第２の基板72に In2O3、Sn
O2、ZnO2等の導電性材料からなる複数の帯状電極80が等
間隔に形成され、基板72に形成された帯状電極80は基板
71上の帯状電極80との交点に金属膜81と半導体膜82から
なる接点83を具えている。On the first substrate 71 and the second substrate 72, In 2 O 3 , Sn
A plurality of strip electrodes 80 made of a conductive material such as O 2 and ZnO 2 are formed at equal intervals, and the strip electrodes 80 formed on the substrate 72 are the substrates.
A contact 83 composed of a metal film 81 and a semiconductor film 82 is provided at the intersection of the strip electrode 80 on 71.
【００４３】かかる座標入力装置は帯状電極に形成され
た金属膜と半導体膜からなる接点の整流作用で信号電流
の逆流が阻止され、第１の実施例と同様に複数の点を同
時に押下したとき仮想点信号の要因となる電流の回り込
みを低減することができる。In such a coordinate input device, the backflow of the signal current is blocked by the rectifying action of the contact made of the metal film and the semiconductor film formed on the strip electrode, and when a plurality of points are simultaneously pressed as in the first embodiment. It is possible to reduce the current sneak that causes the virtual point signal.
【００４４】本発明になる座標入力装置の第５の実施例
は図５に示す如くスペーサ73を介して対向せしめた基板
71、72を有し、基板71、72上に等間隔に形成された複数
の帯状電極85、86は所定の間隔を隔てて互いに交差する
ように配置されている。The fifth embodiment of the coordinate input device according to the present invention is a substrate opposed to each other via a spacer 73 as shown in FIG.
A plurality of strip electrodes 85, 86 having 71, 72 and formed on the substrates 71, 72 at equal intervals are arranged so as to intersect with each other at a predetermined interval.
【００４５】可撓性が要求される第１の基板71はポリエ
チレンテレフタレートやポリエーテルサルフォン等のフ
ィルムからなり、基板71のように可撓性を要求されない
第２の基板72にはガラス基板や透明なプラスチックシー
ト基板が用いられている。The first substrate 71 which is required to be flexible is made of a film such as polyethylene terephthalate or polyether sulfone, and the second substrate 72 which is not required to be flexible like the substrate 71 is a glass substrate or the like. A transparent plastic sheet substrate is used.
【００４６】第２の基板72には例えば複数のＭＩＭ (me
tal insulator metal)構造の帯状ダイオード84が等間隔
に形成されており、帯状ダイオード84は例えばTaからな
る導電層87とTa2O3 からなる絶縁層88とCrからなる導電
層89とで構成されている。A plurality of MIM (me
etal insulator metal) band-shaped diodes 84 are formed at equal intervals, and the band-shaped diodes 84 are composed of, for example, a conductive layer 87 made of Ta, an insulating layer 88 made of Ta 2 O 3 and a conductive layer 89 made of Cr. ing.
【００４７】また、第１の基板71には In2O3、SnO2、Zn
O2等の導電性材料からなる複数の帯状電極86が等間隔に
形成されており、基板72に形成された帯状ダイオード84
の上に In2O3、SnO2、ZnO2等の導電性材料からなる帯状
電極85が積層されている。The first substrate 71 has In 2 O 3 , SnO 2 and Zn.
A plurality of strip electrodes 86 made of a conductive material such as O 2 are formed at equal intervals, and a strip diode 84 formed on the substrate 72.
A strip electrode 85 made of a conductive material such as In 2 O 3 , SnO 2 and ZnO 2 is laminated on the above.
【００４８】かかる座標入力装置は帯状電極の下に形成
されてなる帯状ダイオードの整流作用によって信号電流
の逆流が阻止され、第１の実施例と同様に複数の点を同
時に押下したとき仮想点信号の要因となる電流の回り込
みを低減することができる。In such a coordinate input device, the reverse current of the signal current is blocked by the rectifying action of the strip diode formed below the strip electrode, and when a plurality of points are simultaneously depressed as in the first embodiment, the virtual point signal is generated. It is possible to reduce the sneak of the electric current which is a factor of.
【００４９】[0049]
【発明の効果】上述の如く本発明によれば押下点のみに
対応した複数の信号を同時に出力可能な座標入力装置を
提供することができる。As described above, according to the present invention, it is possible to provide a coordinate input device capable of simultaneously outputting a plurality of signals corresponding to only the pressed points.
【図１】 本発明になる座標入力装置を示す模式図であ
る。FIG. 1 is a schematic diagram showing a coordinate input device according to the present invention.
【図２】 本発明になる座標入力装置の第２の実施例を
示す斜視図である。FIG. 2 is a perspective view showing a second embodiment of the coordinate input device according to the present invention.
【図３】 本発明になる座標入力装置の第３の実施例を
示す斜視図である。FIG. 3 is a perspective view showing a third embodiment of the coordinate input device according to the present invention.
【図４】 本発明になる座標入力装置の第４の実施例を
示す斜視図である。FIG. 4 is a perspective view showing a fourth embodiment of the coordinate input device according to the present invention.
【図５】 本発明になる座標入力装置の第５の実施例を
示す斜視図である。FIG. 5 is a perspective view showing a fifth embodiment of the coordinate input device according to the present invention.
【図６】 従来のアナログ型座標入力装置を示す模式図
である。FIG. 6 is a schematic diagram showing a conventional analog coordinate input device.
【図７】 従来のマトリクス型座標入力装置を示す模式
図である。FIG. 7 is a schematic view showing a conventional matrix type coordinate input device.
71、72 基板 73 スペーサ 74、75、76、78、79、80、85、86 帯状電極 77、83 接点 81 金属膜 82 半導体膜 84 帯状ダイオード 87 導電層 88 絶縁層 89 導電層 71, 72 Substrate 73 Spacer 74, 75, 76, 78, 79, 80, 85, 86 Strip electrode 77, 83 Contact 81 Metal film 82 Semiconductor film 84 Strip diode 87 Conductive layer 88 Insulating layer 89 Conductive layer
Claims (5)
る２枚の基板と該基板の間に介在せしめたスペーサを有
し、２枚の該基板の少なくとも一方の基板が可撓性を有
する絶縁体によって構成され、かつ、対向せしめた該帯
状電極が互いに交差するよう配置されてなる感圧型抵抗
膜方式の座標入力装置において、 第１の基板(71)または第２の基板(72)のいずれか一方に
形成されてなる複数の帯状電極(74)が整流性材料からな
り、かつ、他方に形成されてなる複数の帯状電極(75)が
導電性材料からなることを特徴とする座標入力装置。1. An insulating structure having two substrates each having a plurality of strip electrodes and spacers interposed between the substrates, and at least one of the two substrates is flexible. A pressure-sensitive resistive film type coordinate input device comprising a body, and the strip-shaped electrodes facing each other are arranged so as to intersect with each other, whichever of the first substrate (71) or the second substrate (72) A plurality of strip electrodes (74) formed on one side are made of a rectifying material, and a plurality of strip electrodes (75) formed on the other side are made of a conductive material. .
る２枚の基板と該基板の間に介在せしめたスペーサを有
し、２枚の該基板の少なくとも一方の基板が可撓性を有
する絶縁体によって構成され、かつ、対向せしめた該帯
状電極が互いに交差するよう配置されてなる感圧型抵抗
膜方式の座標入力装置において、 第１の基板(71)および第２の基板(72)に形成されてなる
複数の帯状電極(76)が共に導電性材料からなり、いずれ
か一方の帯状電極(76)に整流性材料からなる接点(77)が
形成されてなることを特徴とする座標入力装置。2. An insulating structure having two substrates each having a plurality of strip electrodes and spacers interposed between the substrates, and at least one of the two substrates is flexible. In a pressure-sensitive resistance film type coordinate input device composed of a body and arranged so that the strip-shaped electrodes facing each other are formed on a first substrate (71) and a second substrate (72). A plurality of strip-shaped electrodes (76) are made of a conductive material, and a contact (77) made of a rectifying material is formed on one of the strip-shaped electrodes (76). .
る２枚の基板と該基板の間に介在せしめたスペーサを有
し、２枚の該基板の少なくとも一方の基板が可撓性を有
する絶縁体によって構成され、かつ、対向せしめた該帯
状電極が互いに交差するよう配置されてなる感圧型抵抗
膜方式の座標入力装置において、 第１の基板(71)または第２の基板(72)のいずれか一方に
形成されてなる複数の帯状電極(78)が半導体膜からな
り、かつ、他方に形成されてなる複数の帯状電極(79)が
金属膜からなることを特徴とする座標入力装置。3. An insulating material having two substrates each having a plurality of strip electrodes and spacers interposed between the substrates, and at least one of the two substrates is flexible. A pressure-sensitive resistive film type coordinate input device comprising a body, and the strip-shaped electrodes facing each other are arranged so as to intersect with each other, whichever of the first substrate (71) or the second substrate (72) A coordinate input device characterized in that a plurality of strip electrodes (78) formed on one side are made of a semiconductor film, and a plurality of strip electrodes (79) formed on the other side are made of a metal film.
る２枚の基板と該基板の間に介在せしめたスペーサを有
し、２枚の該基板の少なくとも一方の基板が可撓性を有
する絶縁体によって構成され、かつ、対向せしめた該帯
状電極が互いに交差するよう配置されてなる感圧型抵抗
膜方式の座標入力装置において、 第１の基板(71)および第２の基板(72)に形成されてなる
複数の帯状電極(80)が共に導電性材料からなり、一方の
帯状電極(80)に金属膜(81)と半導体膜(82)からなる接点
(83)が形成されてなることを特徴とする座標入力装置。4. An insulating material having two substrates each having a plurality of strip electrodes and a spacer interposed between the substrates, and at least one of the two substrates is flexible. In a pressure-sensitive resistance film type coordinate input device composed of a body and arranged so that the strip-shaped electrodes facing each other are formed on a first substrate (71) and a second substrate (72). A plurality of strip-shaped electrodes (80) are made of a conductive material, and one strip-shaped electrode (80) is a contact made of a metal film (81) and a semiconductor film (82).
(83) is formed, The coordinate input device characterized by the above-mentioned.
る２枚の基板と該基板の間に介在せしめたスペーサを有
し、２枚の該基板の少なくとも一方の基板が可撓性を有
する絶縁体によって構成され、かつ、対向せしめた該帯
状電極が互いに交差するよう配置されてなる感圧型抵抗
膜方式の座標入力装置において、 第２の基板(72)が複数の帯状ダイオード(84)と該ダイオ
ード(84)に積層された導電性材料からなる帯状電極(85)
を有し、第１の基板(71)に導電性材料からなる複数の帯
状電極(86)が形成されてなることを特徴とする座標入力
装置。5. An insulating structure having two substrates each having a plurality of strip electrodes and spacers interposed between the substrates, and at least one of the two substrates is flexible. In a pressure-sensitive resistance film type coordinate input device composed of a body and arranged such that the strip electrodes facing each other intersect each other, a second substrate (72) includes a plurality of strip diodes (84) and A strip electrode (85) made of a conductive material laminated to the diode (84)
And a plurality of strip electrodes (86) made of a conductive material are formed on the first substrate (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21810392A JPH0667789A (en) | 1992-08-18 | 1992-08-18 | Coordinate input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21810392A JPH0667789A (en) | 1992-08-18 | 1992-08-18 | Coordinate input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0667789A true JPH0667789A (en) | 1994-03-11 |
Family
ID=16714684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21810392A Withdrawn JPH0667789A (en) | 1992-08-18 | 1992-08-18 | Coordinate input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0667789A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008026280A1 (en) * | 2006-08-31 | 2008-03-06 | Pioneer Corporation | Matrix touch panel device |
| JP2010250801A (en) * | 2009-04-20 | 2010-11-04 | Samsung Electronics Co Ltd | Method of detecting touch position and touch position detection apparatus for performing the method |
| CN102654681A (en) * | 2012-02-23 | 2012-09-05 | 京东方科技集团股份有限公司 | Liquid crystal display panel and manufacturing method and display device thereof |
| WO2013149483A1 (en) * | 2012-04-01 | 2013-10-10 | 京东方科技集团股份有限公司 | Liquid crystal panel, liquid crystal display and manufacturing method thereof |
| KR101611648B1 (en) * | 2008-12-26 | 2016-04-11 | 데이진 가부시키가이샤 | Transparent electroconductive laminate and transparent touch panel |
-
1992
- 1992-08-18 JP JP21810392A patent/JPH0667789A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008026280A1 (en) * | 2006-08-31 | 2008-03-06 | Pioneer Corporation | Matrix touch panel device |
| JP4768027B2 (en) * | 2006-08-31 | 2011-09-07 | パイオニア株式会社 | Matrix type touch panel device |
| KR101611648B1 (en) * | 2008-12-26 | 2016-04-11 | 데이진 가부시키가이샤 | Transparent electroconductive laminate and transparent touch panel |
| US9652059B2 (en) | 2008-12-26 | 2017-05-16 | Teijin Limited | Transparent electroconductive laminate and transparent touch panel |
| JP2010250801A (en) * | 2009-04-20 | 2010-11-04 | Samsung Electronics Co Ltd | Method of detecting touch position and touch position detection apparatus for performing the method |
| US8902189B2 (en) | 2009-04-20 | 2014-12-02 | Samsung Display Co., Ltd. | Method of detecting touch positions and touch position detection apparatus for performing the method |
| CN102654681A (en) * | 2012-02-23 | 2012-09-05 | 京东方科技集团股份有限公司 | Liquid crystal display panel and manufacturing method and display device thereof |
| WO2013123781A1 (en) * | 2012-02-23 | 2013-08-29 | 京东方科技集团股份有限公司 | Liquid crystal display panel, manufacturing method therefor and display device |
| WO2013149483A1 (en) * | 2012-04-01 | 2013-10-10 | 京东方科技集团股份有限公司 | Liquid crystal panel, liquid crystal display and manufacturing method thereof |
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Legal Events
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| A300 | Withdrawal of application because of no request for examination |
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