JPH0659798A - Coordinate input device - Google Patents
Coordinate input deviceInfo
- Publication number
- JPH0659798A JPH0659798A JP20933992A JP20933992A JPH0659798A JP H0659798 A JPH0659798 A JP H0659798A JP 20933992 A JP20933992 A JP 20933992A JP 20933992 A JP20933992 A JP 20933992A JP H0659798 A JPH0659798 A JP H0659798A
- Authority
- JP
- Japan
- Prior art keywords
- resistance film
- input device
- coordinate input
- resistance
- voltage
- 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
Landscapes
- Position Input By Displaying (AREA)
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３は従来のアナログ型座標入力装置を
示す模式図、図４はアナログ型座標入力装置の動作原理
説明図、図５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. 3 is a schematic view showing a conventional analog type coordinate input device, FIG. 4 is an explanatory view of an operating principle of the analog type coordinate input device, and FIG. 5 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枚の抵抗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抵抗
膜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。The conventional pressure-sensitive resistive film type coordinate input device includes an analog type coordinate input device in which two resistive films are opposed to each other via a spacer and a plurality of strip-shaped resistive films formed at equal intervals. There is a matrix type coordinate input device arranged so as to intersect with each other.
【０００６】図３において従来のアナログ型座標入力装
置はスペーサ11を介して２枚の基板12上の抵抗膜13を対
向させており、スタイラスペン等の入力ペンや指先等に
よって可撓性を有する基板12を押下すると対向させた抵
抗膜13同士が接触する。In FIG. 3, the conventional analog type coordinate input device has resistance films 13 on two substrates 12 opposed to each other via a spacer 11 and has flexibility by an input pen such as a stylus pen or a fingertip. When the substrate 12 is pressed, the resistance films 13 facing each other come into contact with each other.
【０００７】抵抗膜13は電極14と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
に接続されており、切替回路2a、2b、2cを順次切替えて
一方の抵抗膜13に電圧を印加し他方の抵抗膜13を介して
押下点の電位を検出する。The resistance film 13 is connected to the electrode 14 through, for example, switching circuits 2a, 2b and 2c which are interlocked with each other, and the power source 3 and the A / D converter 4 are connected.
The switching circuits 2a, 2b, 2c are sequentially switched to apply a voltage to one resistance film 13 and detect the potential of the pressed point via the other resistance film 13.
【０００８】かかる座標入力装置の等価回路は図４(a)
に示す如く第１の抵抗膜13の両端に基準電圧Ｖref が印
加されており、入力ペン等で基板12を押下すると基準電
圧Ｖ ref が印加された抵抗膜13は近接して設けられた第
２の抵抗膜13に接触する。An equivalent circuit of such a coordinate input device is shown in FIG.
As shown in, the reference voltage V is applied across the first resistance film 13.refMark
If the board 12 is pressed down with an input pen, etc.
Pressure V refThe resistance film 13 to which is applied is
It contacts the second resistance film 13.
【０００９】第１の抵抗膜13は押下点で抵抗Ｒ1 とＲ2
に分割され基準電圧Ｖref が分圧されて第２の抵抗膜13
に印加される。第２の抵抗膜13はＡ／Ｄコンバータ４に
接続されており押下点に対応する電圧Ｖout がＡ／Ｄコ
ンバータ４に入力される。The first resistance film 13 has resistances R 1 and R 2 at the pressing points.
And the reference voltage V ref is divided into the second resistance film 13
Applied to. The second resistance film 13 is connected to the A / D converter 4, and the voltage V out corresponding to the pressing point is input to the A / D converter 4.
【００１０】ここでＶout を押下点における電圧とし、
抵抗膜13の全長をＸ、抵抗膜13の一端から押下点までの
長さをｘとすると、抵抗膜13の比抵抗は均一でｘ／Ｘ＝
Ｒ1／Ｒ1 ＋Ｒ2 ＝Ｖout ／Ｖref となり押下点の座標
は電圧Ｖout に比例する。Here, V out is the voltage at the pressing point,
When the total length of the resistance film 13 is X and the length from one end of the resistance film 13 to the pressing point is x, the specific resistance of the resistance film 13 is uniform and x / X =
R 1 / R 1 + R 2 = V out / V ref , and the coordinates of the pressed point are proportional to the voltage V out .
【００１１】第１の抵抗膜13と第２の抵抗膜13は切替回
路2a、2b、2cを介して電源３およびＡ／Ｄコンバータ４
に接続されており、図４(b) に示す如く電源３およびＡ
／Ｄコンバータ４に接続される抵抗膜13を切替え押下点
における電位を検出する。The first resistance film 13 and the second resistance film 13 are connected to the power supply 3 and the A / D converter 4 via the switching circuits 2a, 2b and 2c.
Connected to the power source 3 and A as shown in Fig. 4 (b).
The resistance film 13 connected to the / D converter 4 is switched and the potential at the pressing point is detected.
【００１２】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を介して一方の抵抗膜13のＸ軸方向
に電圧が印加され、押下された点のＸ座標を示すアナロ
グ信号が他方の抵抗膜13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 resistance film 13 via the switching circuits 2a, 2b, and the X coordinate of the pressed point is shown. The analog signal is input to the A / D converter 4 via the other resistance film 13 and the switching circuit 2c.
【００１３】次いで切替回路2a、2b、2cをＹ側にすると
切替回路2a、2cを介して他方の抵抗膜13のＹ軸方向に電
圧が印加され、押下された点のＹ座標に相当するアナロ
グ信号が一方の抵抗膜13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 switching circuits 2a, 2b, 2c are set to the Y side, a voltage is applied in the Y-axis direction of the other resistance film 13 via the switching circuits 2a, 2c, and the analog corresponding to the Y coordinate of the pressed point is obtained. The signal is input to the A / D converter 4 via the resistance film 13 on one side and the switching circuit 2b.
【００１４】即ち、基準電圧Ｖref を時分割方式によっ
てＸ方向またはＹ方向を示す抵抗膜13の端子間に交互に
印加すると共に、対向させた抵抗膜13を介して出力され
る電圧Ｖout を交互に計測することで押下した位置の座
標を検出することができる。That is, the reference voltage V ref is applied alternately between the terminals of the resistance film 13 indicating the X direction or the Y direction by the time division method, and the voltage V out output through the resistance film 13 facing each other is set. By alternately measuring, the coordinates of the pressed position can be detected.
【００１５】一方、図５(a) において従来のマトリクス
型座標入力装置はスペーサ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
た複数の帯状抵抗膜53は所定の間隔を介し互いに交差す
るように配置されている。On the other hand, in FIG. 5A, the conventional matrix type coordinate input device has two substrates 52 opposed to each other via a spacer 51, and a plurality of strips formed on the substrate 52 at equal intervals. The resistance films 53 are arranged so as to intersect each other with a predetermined gap.
【００１６】帯状抵抗膜53はそれぞれ連動する切替回路
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
帯状抵抗膜53に電圧を印加し他方の帯状抵抗膜53をＡ／
Ｄコンバータ４に接続する。The strip-shaped resistive film 53 is a switching circuit that works together.
It is connected to the power source 3 and the A / D converter 4 via 6a, 6b, 6c, and sequentially switches the switching circuits 6a, 6b, 6c to apply a voltage to one of the strip-shaped resistance films 53 and to switch the other strip-shaped resistance film 53. A /
Connect to the D converter 4.
【００１７】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.
【００１８】例えば、図５(b) において２点ａ、ｂを押
下したあと帯状抵抗膜X1、X2、Y1、Y2を順次選択し電圧
を印加すると、帯状抵抗膜Y1、X1からａ点の座標を示す
信号が順次出力され帯状抵抗膜Y2、X2からｂ点の座標を
示す信号が順次出力される。For example, in FIG. 5B, when two points a and b are pressed and then the strip resistance films X 1 , X 2 , Y 1 and Y 2 are sequentially selected and a voltage is applied, the strip resistance films Y 1 and X are applied. A signal indicating the coordinates of the point a from 1 to 1 is sequentially output, and a signal indicating the coordinates of the point b from the strip-shaped resistive film Y 2 and X 2 is sequentially output.
【００１９】[0019]
【発明が解決しようとする課題】しかし、従来のアナロ
グ型座標入力装置は２点を同時に押下すると押下点に対
応する二つの抵抗値が合成されるため、押下された２点
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
値に相当する点を示す信号が出力される。However, in the conventional analog-type coordinate input device, when two points are simultaneously pressed, two resistance values corresponding to the pressed points are combined, so that the coordinates of the two pressed points are associated. Instead of an analog signal, a signal indicating a point corresponding to the combined resistance value is output.
【００２０】また、従来のマトリクス型座標入力装置は
帯状抵抗膜の微細化に限度があって精細な座標信号の出
力が困難であり、したも帯状抵抗膜を微細化するに伴っ
て切替回路等の構成が複雑になり製造コストの高騰を招
くという問題があった。Further, in the conventional matrix type coordinate input device, there is a limit to the miniaturization of the strip-shaped resistive film and it is difficult to output a fine coordinate signal. In addition, as the strip-shaped resistive film is miniaturized, a switching circuit etc. However, there is a problem in that the structure of is complicated and the manufacturing cost rises.
【００２１】本発明の目的は複数箇所を同時に押下する
ことによって複数の信号を入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 inputting a plurality of signals by simultaneously pressing a plurality of points.
【００２２】[0022]
【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.
【００２３】上記課題は少なくとも一方が可撓性を有す
る絶縁体からなりそれぞれに抵抗膜が形成されてなる２
枚の基板と、基板の間に介在し対向させてなる抵抗膜の
間に所定の隙間を形成するスペーサとを有し、一方の抵
抗膜に電圧を印加し他方の抵抗膜を介して押下点の電位
を検出する座標入力装置において、一方の基板71がそれ
ぞれ独立して設けられた複数の抵抗膜73a 、73b を具え
てなる本発明の座標入力装置によって達成される。At least one of the above problems is made of a flexible insulator, and a resistance film is formed on each of the insulators.
It has a single substrate and a spacer which forms a predetermined gap between the resistance films which are interposed between the substrates and face each other, and a voltage is applied to one resistance film and a pressing point is applied through the other resistance film. In the coordinate input device for detecting the electric potential of the above, the one substrate 71 is achieved by the coordinate input device of the present invention including a plurality of resistance films 73a and 73b provided independently of each other.
【００２４】[0024]
【作用】図１において一方の基板に独立した複数の抵抗
膜を設けることによって複数の座標入力装置が並列に構
成され、それぞれのアナログ型座標入力装置から独立し
た複数の信号を入力することが可能になる。しかも、マ
トリクス型座標入力装置とは異なり精細な座標信号の出
力が容易で製造コストの低減が可能になる。即ち、複数
箇所を同時に押下することによって複数の信号を入力可
能な座標入力装置を実現することができる。In FIG. 1, a plurality of independent resistance films are provided on one substrate to form a plurality of coordinate input devices in parallel, and a plurality of independent signals can be input from each analog type coordinate input device. become. Moreover, unlike the matrix type coordinate input device, it is easy to output a fine coordinate signal, and the manufacturing cost can be reduced. That is, it is possible to realize a coordinate input device capable of inputting a plurality of signals by simultaneously pressing a plurality of points.
【００２５】[0025]
【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。なお、図２は本発明になる座標入力装置の操作
を示すフローチャートである。Embodiments of the present invention will be described below with reference to the accompanying drawings. 2 is a flowchart showing the operation of the coordinate input device according to the present invention.
【００２６】図１において本発明になる座標入力装置は
一方の基板71にそれぞれ独立した二つの抵抗膜73ａ、73
ｂが形成されており、基板71上の二つの抵抗膜73ａ、73
ｂはいずれもスペーサ11を介して基板12上に形成された
抵抗膜13と対向している。Referring to FIG. 1, the coordinate input device according to the present invention has two resistive films 73a, 73 independent on one substrate 71.
b is formed and two resistance films 73a, 73a on the substrate 71 are formed.
Both b are opposed to the resistance film 13 formed on the substrate 12 via the spacer 11.
【００２７】基板71に形成された二つの抵抗膜73ａ、73
ｂはそれぞれ電極74ａ、74ｂを介して切替回路8a、8b、
8cに接続されており、基板12上に形成され抵抗膜73ａ、
73ｂに対向する抵抗膜13も電極14を介して切替回路8a、
8b、8cに接続されている。Two resistive films 73a, 73 formed on the substrate 71
b is a switching circuit 8a, 8b, via electrodes 74a, 74b, respectively.
8c connected to the resistive film 73a formed on the substrate 12,
The resistance film 13 facing the 73b is also connected via the electrode 14 to the switching circuit 8a,
It is connected to 8b and 8c.
【００２８】切替回路8a、8b、8cは連動し抵抗膜73ａま
たは73ｂに電圧を印加する場合は抵抗膜13をＡ／Ｄコン
バータ４に接続し、反対に抵抗膜13に電圧を印加する場
合は抵抗膜73ａまたは73ｂをＡ／Ｄコンバータ４に接続
するよう構成されている。The switching circuits 8a, 8b and 8c are interlocked with each other, and when the voltage is applied to the resistance film 73a or 73b, the resistance film 13 is connected to the A / D converter 4, and when the voltage is applied to the resistance film 13 on the contrary. The resistance film 73a or 73b is configured to be connected to the A / D converter 4.
【００２９】即ち、１の位置では抵抗膜73ａの一端が切
替回路8aを介して電源３に接続され他端は切替回路8bを
介して接地される。また、２の位置では抵抗膜13の一端
が切替回路8aを介して電源３に接続され他端は切替回路
8bを介して接地される。That is, at the position 1, one end of the resistance film 73a is connected to the power source 3 through the switching circuit 8a and the other end is grounded through the switching circuit 8b. Further, at the position 2, one end of the resistance film 13 is connected to the power supply 3 through the switching circuit 8a and the other end is connected to the switching circuit.
Grounded via 8b.
【００３０】このように抵抗膜73ａに電圧を印加する場
合は切替回路8cを介して抵抗膜13の一端がＡ／Ｄコンバ
ータ４に接続され、次いで、抵抗膜13に電圧を印加する
場合は切替回路8cを介して抵抗膜73ａの一端がＡ／Ｄコ
ンバータ４に接続される。When a voltage is applied to the resistance film 73a in this manner, one end of the resistance film 13 is connected to the A / D converter 4 via the switching circuit 8c, and then when a voltage is applied to the resistance film 13, the switching is performed. One end of the resistance film 73a is connected to the A / D converter 4 via the circuit 8c.
【００３１】更に、３の位置では抵抗膜73ｂの一端が切
替回路8aを介して電源３に接続され他端は切替回路8bを
介して接地される。また、４の位置では抵抗膜13の一端
が切替回路8aを介して電源３に接続され他端は切替回路
8bを介して接地される。Further, at the position 3, one end of the resistance film 73b is connected to the power source 3 through the switching circuit 8a and the other end is grounded through the switching circuit 8b. Further, at the position of 4, one end of the resistance film 13 is connected to the power source 3 through the switching circuit 8a and the other end is the switching circuit.
Grounded via 8b.
【００３２】このように抵抗膜73ｂに電圧を印加する場
合は切替回路8cを介して抵抗膜13の一端がＡ／Ｄコンバ
ータ４に接続され、次いで、抵抗膜13に電圧を印加する
場合は切替回路8cを介して抵抗膜73ｂの一端がＡ／Ｄコ
ンバータ４に接続される。When a voltage is applied to the resistance film 73b as described above, one end of the resistance film 13 is connected to the A / D converter 4 through the switching circuit 8c, and then when a voltage is applied to the resistance film 13, the switching is performed. One end of the resistance film 73b is connected to the A / D converter 4 via the circuit 8c.
【００３３】例えば、スタイラスペン等の入力ペンや指
先等によって基板71の各領域に包含される２点ａ、ｂを
同時に押下すると、押下点ａでは抵抗膜73ａが対向させ
た抵抗膜13に接触し押下点ｂでは抵抗膜73ｂが対向させ
た抵抗膜13に接触する。For example, when two points a and b included in each region of the substrate 71 are simultaneously depressed by an input pen such as a stylus pen or a fingertip, the resistive film 73a contacts the opposing resistive film 13 at the depressed point a. Then, at the depression point b, the resistance film 73b comes into contact with the opposed resistance film 13.
【００３４】かかる座標入力装置において押下点ａ、ｂ
は図２のフローチャートに従って切替回路8a、8b、8cを
切替え検出される。即ち、切替回路8a、8b、8cを順次
１、２、３、４の位置に切替え押下点ａの座標および押
下点ｂの座標を順次検出する。In the coordinate input device, the pressing points a and b
Is detected by switching the switching circuits 8a, 8b and 8c according to the flowchart of FIG. That is, the switching circuits 8a, 8b, 8c are sequentially switched to the positions 1, 2, 3, 4 to sequentially detect the coordinates of the pressed point a and the pressed point b.
【００３５】例えば、１の位置では抵抗膜73ａに電圧が
印加されて押下点ａのＸ座標に相当する電圧がＡ／Ｄコ
ンバータ４に入力され、２の位置では抵抗膜13に電圧が
印加されて押下点ａのＹ座標に相当する電圧がＡ／Ｄコ
ンバータ４に入力される。For example, at position 1 a voltage is applied to the resistance film 73a and a voltage corresponding to the X coordinate of the depression point a is input to the A / D converter 4, and at position 2 a voltage is applied to the resistance film 13. A voltage corresponding to the Y coordinate of the pressed point a is input to the A / D converter 4.
【００３６】次いで、３の位置では抵抗膜73ｂに電圧が
印加されて押下点ｂのＸ座標に相当する電圧がＡ／Ｄコ
ンバータ４に入力され、４の位置では抵抗膜13に電圧が
印加されて押下点ｂのＹ座標に相当する電圧がＡ／Ｄコ
ンバータ４に入力される。Next, a voltage is applied to the resistance film 73b at the position 3 and a voltage corresponding to the X coordinate of the depression point b is input to the A / D converter 4, and a voltage is applied to the resistance film 13 at the position 4. A voltage corresponding to the Y coordinate of the pressed point b is input to the A / D converter 4.
【００３７】押下点ａ、ｂは抵抗膜13上の異なる位置に
あり抵抗膜13に電圧を印加すると押下点ａ、ｂに異なる
電圧が現れるが、切替回路8a、8b、8cの位置によって抵
抗膜73ａ、73ｂのいずれか一方に浮いており二つの抵抗
値が合成されることはない。The depression points a and b are located at different positions on the resistance film 13, and when a voltage is applied to the resistance film 13, different voltages appear at the depression points a and b. However, depending on the positions of the switching circuits 8a, 8b and 8c, the resistance film It floats on either one of 73a and 73b, and the two resistance values are not combined.
【００３８】このように一方の基板に独立した複数の抵
抗膜を設けることによって複数の座標入力装置が並列に
構成され、それぞれのアナログ型座標入力装置から独立
した複数の信号を入力することが可能になる。しかも、
マトリクス型座標入力装置とは異なり精細な座標信号の
出力が容易で製造コストの低減が可能になる。即ち、複
数箇所を同時に押下することによって複数の信号を入力
可能な座標入力装置を実現することができる。By thus providing a plurality of independent resistance films on one substrate, a plurality of coordinate input devices are configured in parallel, and a plurality of independent signals can be input from each analog type coordinate input device. become. Moreover,
Unlike the matrix type coordinate input device, it is easy to output a fine coordinate signal, and the manufacturing cost can be reduced. That is, it is possible to realize a coordinate input device capable of inputting a plurality of signals by simultaneously pressing a plurality of points.
【００３９】[0039]
【発明の効果】上述の如く本発明によれば複数箇所を同
時に押下することによって複数の信号を入力可能な座標
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 inputting a plurality of signals by simultaneously pressing a plurality of 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操作を示すフロ
ーチャートである。FIG. 2 is a flowchart showing an operation of the coordinate input device according to the present invention.
【図３】 従来のアナログ型座標入力装置を示す模式図
である。FIG. 3 is a schematic diagram showing a conventional analog coordinate input device.
【図４】 アナログ型座標入力装置の動作原理説明図で
ある。FIG. 4 is an explanatory diagram of an operation principle of the analog type coordinate input device.
【図５】 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. 5 is a schematic diagram showing a conventional matrix type coordinate input device.
３ 電源 ４ Ａ／Ｄコンバータ 8a、8b、8c 切替回路 11 スペーサ 12 基板 13 抵抗膜 14 電極 71 基板 73ａ、73ｂ 抵抗膜 74ａ、74ｂ 電極 3 power supply 4 A / D converter 8a, 8b, 8c switching circuit 11 spacer 12 substrate 13 resistive film 14 electrode 71 substrate 73a, 73b resistive film 74a, 74b electrode
───────────────────────────────────────────────────── フロントページの続き (72)発明者 坂口 昭彦 神奈川県川崎市中原区上小田中1015番地 富士通株式会社内 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Akihiko Sakaguchi 1015 Kamiodanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Fujitsu Limited
Claims (1)
からなりそれぞれに抵抗膜が形成されてなる２枚の基板
と、該基板の間に介在し対向させてなる該抵抗膜の間に
所定の隙間を形成するスペーサとを有し、一方の該抵抗
膜に電圧を印加し他方の該抵抗膜を介して押下点の電位
を検出する座標入力装置において、 一方の基板(71)がそれぞれ独立して設けられた複数の抵
抗膜(73a,73b) を具えてなることを特徴とする座標入力
装置。1. A predetermined substrate is provided between two substrates, at least one of which is made of a flexible insulator and has a resistive film formed on each substrate, and the resistive film which is interposed between the substrates and faces each other. In a coordinate input device that has a spacer that forms a gap and that applies a voltage to one of the resistance films and detects the potential of the pressed point through the other resistance film, one of the substrates (71) is independent. A coordinate input device comprising a plurality of resistive films (73a, 73b) provided as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20933992A JPH0659798A (en) | 1992-08-06 | 1992-08-06 | Coordinate input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20933992A JPH0659798A (en) | 1992-08-06 | 1992-08-06 | Coordinate input device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0659798A true JPH0659798A (en) | 1994-03-04 |
Family
ID=16571315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20933992A Pending JPH0659798A (en) | 1992-08-06 | 1992-08-06 | Coordinate input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0659798A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011128921A (en) * | 2009-12-18 | 2011-06-30 | Fujitsu Component Ltd | Touch panel and coordinate detection method for the same |
| JP2013229065A (en) * | 2013-08-14 | 2013-11-07 | Fujitsu Component Ltd | Touch panel and method for detecting coordinate on touch panel |
-
1992
- 1992-08-06 JP JP20933992A patent/JPH0659798A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011128921A (en) * | 2009-12-18 | 2011-06-30 | Fujitsu Component Ltd | Touch panel and coordinate detection method for the same |
| US8803840B2 (en) | 2009-12-18 | 2014-08-12 | Fujitsu Component Limited | Touch panel and coordinate detection method in touch panel |
| JP2013229065A (en) * | 2013-08-14 | 2013-11-07 | Fujitsu Component Ltd | Touch panel and method for detecting coordinate on touch panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5670755A (en) | Information input apparatus having functions of both touch panel and digitizer, and driving method thereof | |
| US7499025B2 (en) | Pressing direction sensor and input device using the same | |
| US4587378A (en) | Two-layer touch tablet | |
| KR100300431B1 (en) | touch panel | |
| JPH05265633A (en) | Touch panel | |
| JPH0944289A (en) | Input pad system | |
| KR100473592B1 (en) | A digitizer | |
| JPH0626088B2 (en) | Sheet-shaped switch element | |
| JP2505862Y2 (en) | Transmissive coordinate detector | |
| JPH0667788A (en) | Tablet device | |
| JPS59119621A (en) | Touch input device | |
| JPH0659798A (en) | Coordinate input device | |
| JPH0583928B2 (en) | ||
| JPH1039993A (en) | Transparent touch panel and input device utilizing the same | |
| JPH0667789A (en) | Coordinate input device | |
| JPH1124827A (en) | Coordinate input device | |
| JPH10149737A (en) | Membrane switch | |
| JP3114774B2 (en) | Input panel manufacturing method | |
| US4602126A (en) | Two-dimensional coordinate detecting apparatus | |
| JPH09146682A (en) | Coordinate input device | |
| JPH05265632A (en) | Touch panel device | |
| JPH06161660A (en) | Position information input device using pressure sensitive tablet | |
| JPS605009B2 (en) | Resistive membrane split type coordinate input device | |
| KR880000301B1 (en) | Input device of hand touch style | |
| JPS61292730A (en) | Position detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20001114 |