JP2013142981A - Touch panel system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a touch panel system capable of achieving a two-portion simultaneous depression key while preventing an unexpected operation, an erroneous operation, and the like when using a resistive touch panel.SOLUTION: A first screen 5 is displayed, the first screen including a visualized initial key 51 by which a touch input A is received and which is provided at a predetermined position. When a touch input A into the initial key 51 is performed, a first dummy key 61 that cannot accept the touch input A and a second dummy key 62 that cannot accept the touch input A are provided as substitutes of the initial key 51 at the same position as that of the initial key 51. Further, when a two-portion simultaneous depression is performed, a second screen 6 is displayed, the second screen including a transparent key 63 determining that an intermediate position of the two portions is depressed and accepting an intermediate position input B. Subsequently, when the intermediate position input B to the transparent key 63 is continuously performed for a predetermined time, a process allocated to the intermediate position input B is executed.

Description

  The present invention relates to a touch panel system configured using a resistive film type touch panel.

In various machine facilities in factories, a touch panel for detecting a touch input by an operator is frequently used as an input device for operating the machine facilities. Similarly, touch panels are used in various devices that require input from a person.
For important operation inputs when operating machines, etc., or important operation inputs when changing / erasing data, etc., to avoid receiving erroneous operation inputs, press two or more locations simultaneously. May require.

However, the resistive touch panel cannot accept two or more touch inputs at the same time. Thus, for example, as disclosed in the control device for a resistive touch panel in Patent Document 1, when two locations of the resistive film are pressed, the center coordinates of the two pressed locations and the interval between these pressed locations Is specified and transmitted to the control unit.
Further, for example, in the resistive film type touch panel of Patent Document 2, it is disclosed that when two points are input simultaneously, an input position is specified by using a time difference slightly generated between the two points simultaneously. .

JP 2009-176218 A JP-A-8-54976

  However, in the resistive touch panel, further ingenuity is required to realize simultaneous pressing at two or more locations while preventing an unexpected operation / erroneous operation. For example, when two places of the resistive film disclosed in Patent Document 1 are pressed, it is conceivable to use a technique for detecting the center coordinates of the two pressed positions. Specifically, when the keys displayed at two locations on the touch panel are pressed at the same time, it is conceivable that these intermediate positions are pressed and the operation using the dummy key assigned to the intermediate position is executed. However, in this case, the operation is also executed when the operator unexpectedly presses the dummy key at the intermediate position.

  The present invention has been made in view of such a background, and in the case of using a resistive touch panel, it is intended to provide a touch panel system capable of realizing a two-point simultaneous pressing key by preventing an unexpected operation / erroneous operation. It was obtained as.

One embodiment of the present invention is a resistive touch panel that detects touch input by an operator by contact between transparent conductive films, and control that receives a touch input from the resistive touch panel and transmits a predetermined output signal. When the touch input is performed at two places simultaneously, the resistive touch panel determines that the intermediate position of the two places is pressed and receives the intermediate position input from the intermediate position. In the touch panel system configured as described above,
The control program of the control device includes: a first display unit configured to display a first screen on a screen of the resistive touch panel with a visualized initial key for receiving a touch input provided at a predetermined position;
When a touch input to the initial key is performed, a visualized first dummy key that does not accept a touch input is provided instead of the initial key at the same position as the initial key, and the first dummy key A second dummy key that is visualized so as not to accept touch input is provided at a position that is a predetermined distance away from the first position, and is visualized so that the intermediate position input is accepted at an intermediate position between the first dummy key and the second dummy key. Second display means for displaying a second screen provided with no transparent key on the screen of the resistive touch panel;
The touch panel system further comprises execution means for executing processing assigned to the intermediate position input when the intermediate position input to the transparent key is continuously performed for a predetermined time ( Claim 1).

Another aspect of the present invention is a resistive touch panel that detects touch input by an operator by contact between transparent conductive films, and receives a touch input from the resistive touch panel and transmits a predetermined output signal. And when the touch input is performed simultaneously at two places, the intermediate position input from the intermediate position is determined by determining that the intermediate position between the two positions is being pressed. In a touch panel system configured to receive,
The control program of the control device includes a screen on which the first key visualized for accepting touch input and the second key visualized for accepting touch input are provided at predetermined positions. Display means for displaying on,
When a touch input to the first key is performed, the first key is changed to a state where the touch input is not accepted, and the second key is changed to a state where the touch input is not accepted, and Variable means for providing a non-visualized transparent key for accepting the intermediate position input at an intermediate position between the first key and the second key;
The touch panel system further comprises execution means for executing processing assigned to the intermediate position input when the intermediate position input to the transparent key is continuously performed for a predetermined time ( Claim 4).

In one aspect of the touch panel system, when two touch inputs are performed at the same time, it is determined that an intermediate position between the two positions is pressed and an intermediate position input from the intermediate position is received. Using a resistive touch panel, a two-point simultaneous key that prevents misoperation etc. is realized.
Specifically, the following first display means, second display means, and execution means are constructed in the control program of the control device to form a screen to be displayed on the resistive touch panel.
The first display means displays a first screen in which a visualized initial key for accepting a touch input is provided at a predetermined position on the screen of the resistive touch panel. Then, the first display means waits until the initial key is pressed and a touch input is accepted.

The second display means displays a second screen provided with a first dummy key, a second dummy key, and a transparent key when an initial key is pressed and a touch input is accepted.
The first dummy key is provided at the same position as the initial key as a visualized key that does not accept touch input in place of the initial key. The second dummy key is provided as a visualized key that does not accept touch input at a position away from the first dummy key by a predetermined distance. The transparent key is provided at an intermediate position between the first dummy key and the second dummy key as a non-visualized key that accepts an intermediate position input.
The second screen uses the property of receiving an intermediate position input when two touch inputs are made simultaneously. For the worker, the first dummy key and the second dummy key can be displayed as if they were two-point simultaneous pressing keys.

The execution means determines whether or not the intermediate position input to the transparent key has been continuously performed for a predetermined time by continuously pressing the first dummy key and the second dummy key for a predetermined time. When the intermediate position input is continuously performed for a predetermined time, the process assigned to the intermediate position input is executed.
By switching from the first screen to the second screen, the time for displaying the second screen can be shortened, and the time for receiving the intermediate position input to the transparent key can be limited. Thereby, it is possible to prevent the process assigned to the transparent key from being executed due to the transparent key being pressed unexpectedly. Further, by determining whether or not the transparent key has been performed continuously for a predetermined time, it is possible to sufficiently confirm the operator's intention to execute the process.

When either the state of pressing the first dummy key or the state of pressing the second dummy key is released and the intermediate position input to the transparent key is lost before the predetermined time elapses, the first display means Thus, the first screen is displayed again on the screen of the resistive touch panel.
Thus, according to one aspect of the touch panel system, when a resistive touch panel is used, an unexpected operation / erroneous operation can be prevented and a two-point simultaneous key can be realized.

In another aspect of the touch panel system, the same processing as in the case of the first aspect is realized by changing the function of the key instead of switching the screen.
Specifically, the following display means, variable means, and execution means are constructed in the control program of the control device to form a screen to be displayed on the resistive touch panel.
The display means displays on the screen of the resistive touch panel a screen in which a visualized first key for accepting touch input and a visualized second key for accepting touch input are provided at predetermined positions.

The variable means changes the first key to a state where the touch input cannot be accepted and changes the second key to a state where the touch input cannot be accepted when a touch input to the first key is performed. At the same time, the variable means provides a non-visualized transparent key that accepts an intermediate position input at an intermediate position between the first key and the second key.
The execution means is assigned to the intermediate position input when the intermediate position input to the transparent key is continuously performed for a predetermined time by continuously pressing the first key and the second key simultaneously for a predetermined time. Execute the process.
In this manner, the same effect as in the case of the one aspect can be obtained also by another aspect of the touch panel system.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 3 is an explanatory diagram showing a first screen displayed on the resistive touch panel according to Example 1 in the upper stage and a second screen displayed in place of the first screen in the lower stage. BRIEF DESCRIPTION OF THE DRAWINGS Explanatory drawing which shows typically the structure of the resistive film type touch panel concerning Example 1. FIG. 3 is a flowchart illustrating an operation of the touch panel system according to the first embodiment. An explanatory view showing the 1st screen displayed on a resistive touch panel concerning the example 2 in the upper stage, and showing the 2nd screen displayed in place of the first screen in the lower stage.

A preferred embodiment of the touch panel system described above will be described.
In the touch panel system, the first display means has a visualized preliminary dummy key that cannot accept the touch input on the first screen at the same position as the second dummy key on the second screen. It may be configured to be provided (claim 2).
In this case, although the screen displayed on the resistive touch panel actually switches from the first screen to the second screen, it is possible to give the impression that the screen display has hardly changed.

The initial key on the first screen and the first dummy key on the second screen have the same display color, shape and position, and the preliminary dummy key on the first screen and the second screen The second dummy key may be the same in display color, shape and position.
In this case, although the screen displayed on the resistive touch panel actually switches from the first screen to the second screen, it is possible to give the impression that the screen display has not changed at all.

Hereinafter, embodiments of the touch panel system will be described with reference to the drawings.
Example 1
As shown in FIG. 1, the touch panel system 1 of this example includes a resistive touch panel 2 (see FIG. 3) that detects touch input by an operator through contact between transparent conductive films 22, and a touch from the resistive touch panel 2. And a control device 3 that receives the input A and transmits a predetermined output signal C. Further, the resistive touch panel 2 is configured to receive an intermediate position input B from the intermediate position by determining that the intermediate position of the two positions is pressed when two touch inputs are simultaneously performed. Yes.

As shown in FIG. 2, the control program 4 of the control device 3 has the following first display means 41, second display means 42, and execution means 43.
The first display means 41 displays on the screen of the resistive touch panel 2 the first screen 5 in which the visualized initial key 51 that accepts the touch input A is provided at a predetermined position. The second display means 42 displays the second screen 6 on the screen of the resistive touch panel 2 when the touch input A to the initial key 51 is performed. In the second screen 6, a visualized first dummy key 61 that does not accept the touch input A is provided at the same position as the initial key 51, and is separated from the first dummy key 61 by a predetermined distance. A visualized second dummy key 62 that does not accept touch input A is provided at a position, and a non-visualized transparent key that accepts intermediate position input B is located at an intermediate position between first dummy key 61 and second dummy key 62. 63 is provided.

Here, for the keys 51 and 63, the expression “touch input A is accepted” means that the position where the keys 51 and 63 are set is transparent regardless of whether or not they are displayed on the screen. This means that the conductive films 22 are in contact with each other and input processing to the control device 3 is performed. Further, for each dummy key 52, 61, 62, the expression “touch input A is not accepted” means that the display is displayed on the screen, but the input process to the control device 3 is not performed. Means.
The execution means 43 is configured so that when the first dummy key 61 and the second dummy key 62 are continuously pressed for a predetermined time, the intermediate position input B to the transparent key 63 is continuously performed for a predetermined time. The process assigned to the position input B is executed.

Hereinafter, the touch panel system 1 of this example will be described in detail with reference to FIGS.
In the touch panel system 1 of this example, a two-point simultaneous key that prevents an unexpected operation (including a mischief operation), an erroneous operation, and the like using the resistive touch panel 2 configured to receive the intermediate position input B described above. Is realized. As shown in FIG. 1, the touch panel system 1 is used to operate output devices of various machines 71 installed in a factory. The control device 3 is configured on a control panel 72 of various machines 71, and the resistive touch panel 2 is configured on an operation panel 73 wired to the control panel 72.

  As shown in FIG. 3, the resistive touch panel 2 is formed by providing a transparent conductive film 22 on a base material 21 made of a film, glass or the like, and facing each other with the transparent conductive film 22 of the base material 21 inside. Yes. In addition, a dot spacer 23 made of an insulator is provided between the upper and lower transparent conductive films 22, and the dot spacer 23 ensures insulation of the upper and lower transparent conductive films 22 in a natural state where there is no touch input A. doing. And the touch input A is performed by receiving the pressure by an operator's finger | toe, and the upper and lower transparent conductive films 22 contact. In the figure, a state in which the upper and lower transparent conductive films 22 are in contact with each other is described.

The control device 3 of this example can be a processing unit composed of a microcomputer, and performs various input / output processes in accordance with an internal control program 4. In addition to the processing unit, the control device 3 can be a PC (personal computer) or a sequencer. The control device 3 is configured to receive the touch input A or the intermediate position input B from the resistive touch panel 2 that is an input device, and transmit a predetermined output signal C to the output devices of the various machines 71.
As shown in FIG. 2, on the first screen 5 displayed by the first display means 41 of this example, the touch input A is not accepted at the same position as the position where the second dummy key 62 is provided on the second screen 6. A visualized preliminary dummy key 52 is provided.

The first screen 5 and the second screen 6 of this example are created as separate screens on the software in order to be displayed on the screen of the resistive touch panel 2. The initial key 51 on the first screen 5 and the first dummy key 61 on the second screen 6 have the same display color, shape and position. Further, the preliminary dummy key 52 on the first screen 5 and the second dummy key 62 on the second screen 6 have the same display color, shape and position.
In addition to the above-described keys 51, 52, 61, 62, and 63, the first screen 5 and the second screen 6 can be provided with various keys that can accept the touch input A from the operator.
The keys 51 and 63 displayed on the screen of the resistive touch panel 2 are formed by being assigned to the transparent conductive film 22 at a predetermined position in the display pixel of the touch panel 2 by software. The display of each part of the screen on the resistive film touch panel 2 and the process assigned to the transparent conductive film 22 of each part of the screen are formed by software.

  As shown in FIG. 2, the initial key 51 and the first dummy key 61 of this example are formed by displaying “+” in a square frame, and the preliminary dummy key 52 and the second dummy key 62 of this example are It is formed by displaying “processing” in a square frame. The explanation for prompting the operator to operate is an explanation of pressing the “+” key first, pressing the “process” key while holding down the “+” key, and holding these two keys for a predetermined time or more. Write.

Next, operations and effects of the touch panel system 1 of this example will be described with reference to the flowchart of FIG.
First, as shown in the upper part of FIG. 2, the control device 3 displays the first screen 5 on the screen of the resistive touch panel 2 as an operation by the first display means 41 (step S <b> 1 in FIG. 4). On the first screen 5, a “+” key is displayed as a visualized initial key 51 for accepting the touch input A, and a “process” key is designated as a visualized preliminary dummy key 52 for which the touch input A is not accepted. Is displayed. In this example, the “+” key is displayed at the left position, and the “process” key is displayed at the right position with a predetermined interval. Then, the control device 3 waits until the “+” key is pressed by the operator and there is a touch input A (S4).
Further, in this standby state, when other keys other than the “+” key and the “process” key are set on the first screen 5, the other keys are pressed. It is determined whether or not (S2). If another key is pressed, processing using the other key is performed (S3).

  Next, when the “+” key is pressed by the operator (the left hand finger L in this example), the control device 3 accepts the touch input A and, as shown in the lower part of FIG. As a result, the second screen 6 is displayed on the screen of the resistive touch panel 2 (S5). In the second screen 6, a “+” key as a visualized first dummy key 61 that does not accept the touch input A is provided in place of the initial key 51 at the same position as the “+” key as the initial key 51. Is displayed.

  In addition, the second screen 6 has a “process” key as a visualized second dummy key 62 that does not accept the touch input A in place of the preliminary dummy key 52 at the same position as the “process” key as the preliminary dummy key 52. Is displayed. Further, the second screen 6 is provided with a transparent key 63 that is not visualized and from which an intermediate position input B is received by the control device 3 at an intermediate position between the “+” key and the “process” key. Since the transparent key 63 is not visualized, it appears to the operator that there is no key. Further, the “+” key and the “process” key can be displayed as if they were two-point simultaneous pressing keys.

Next, the control device 3 stands by as an operation by the execution means 43 until the operator simultaneously presses the “+” key and the “process” key for a predetermined time T1 (S6). When the two-point simultaneous pressing is performed, the intermediate position input B by the transparent key 63 is received from the resistive touch panel 2 (S7). When there is no intermediate position input B after waiting for the predetermined time T1 (S6), the process returns to step S1 and the first screen 5 is displayed again. Note that the predetermined time T1 is set as a waiting time until the operator switches from pressing the “+” key to simultaneous pressing of the “+” key and the “processing” key.
If there is an intermediate position input B during the predetermined time T1, it is determined whether the intermediate position input B is continuously performed for the predetermined time T2 (S8, S9). If there is no intermediate position input B during the predetermined time T2 (S8), the process returns to step S1 and the first screen 5 is displayed again.

On the other hand, when the intermediate position input B by the transparent key 63 is continuously performed for the predetermined time T2, the control device 3 executes the process assigned to the intermediate position input B as the operation of the execution means 43. (S10).
By switching from the first screen 5 to the second screen 6, the time for displaying the second screen 6 can be shortened, and the time for receiving the intermediate position input B to the transparent key 63 can be limited. Thereby, it is possible to prevent the process assigned to the transparent key 63 from being executed due to the transparent key 63 being pressed unexpectedly. Further, by determining whether or not the intermediate position input B has been continuously performed for a predetermined time, it is possible to sufficiently confirm the operator's intention to execute the process.

The predetermined time T2 can be arbitrarily set, and by increasing the predetermined time T2, the safety of processing performed by the transparent key 63 can be enhanced.
In the resistive touch panel 2, two-point simultaneous pressing of a key (switch), which is employed as a general countermeasure for preventing an erroneous operation, can be realized at low cost only on software.

As described above, according to the touch panel system 1, when the resistive touch panel 2 is used, an unexpected operation / erroneous operation can be prevented and a two-point simultaneous pressing key can be realized.
When the intermediate position input B to the transparent key 63 on the second screen 6 is continued for a predetermined time, the control device 3 determines that the first dummy key 61, the second dummy key 62, and the transparent key 63 are the same as in the second screen 6. The provided third screen can be further displayed. In this case, when the intermediate position input B to the transparent key on the third screen is continued for a predetermined time, the process assigned to the transparent key can be executed.

(Example 2)
In this example, the same process as in the first embodiment is performed by changing the function assigned to the key without switching the display of the first screen 5 and the second screen 6 shown in the first embodiment. Realized.
In this example, as shown in FIG. 5, the following display means 41X, variable means 42X and execution means 43X are constructed in the control program 4 of the control device 3 to form a screen to be displayed on the resistive touch panel 2. .
As an operation of the display means 41X, the control device 3 displays, on the screen of the resistive touch panel 2, a visualized first key 51X that accepts the touch input A, and a visualized second key 52X that accepts the touch input A. Displays a display screen 5X provided at a predetermined position.

  Next, as the operation of the variable means 42X, the control device 3 changes the first key 51X to a state in which the touch input A is not accepted when the touch input A to the first key 51X is performed, The key 52X is changed to a state where the touch input A cannot be accepted. At the same time, as an operation of the variable means 42X, the control device 3 provides a non-visualized transparent key 53X that accepts the intermediate position input B at an intermediate position between the first key 51X and the second key 52X.

If the first key 51X and the second key 52X are pressed simultaneously before the transparent key 53X is provided, the intermediate position input B located between these keys 51X and 52X is accepted. The touch input A to the first key 51X is not performed.
Next, as the operation of the execution means 43X, the control device 3 continues to press the first key 51X and the second key 52X simultaneously for a predetermined time, so that the intermediate position input B to the transparent key 53X continues for a predetermined time. When this is done, the process assigned to the intermediate position input B is executed.
The other configurations of the touch panel system 1 of this example are the same as those of the first embodiment, and the same effects as those of the first embodiment can be obtained.

DESCRIPTION OF SYMBOLS 1 Touch panel system 2 Resistive touch panel 3 Control apparatus 4 Control program 5 1st screen 51 Initial key 52 Reserve dummy key 6 2nd screen 61 1st dummy key 62 2nd dummy key 63 Transparent key A Touch input B Intermediate position input

Claims (4)

A resistance film type touch panel that detects a touch input by an operator by contact between the transparent conductive films; and a control device that receives the touch input from the resistance film type touch panel and transmits a predetermined output signal. In the touch panel system configured to receive an intermediate position input from the intermediate position by determining that the intermediate position between the two positions is being pressed when the touch input is performed at two positions simultaneously. ,
The control program of the control device includes: a first display unit configured to display a first screen on a screen of the resistive touch panel with a visualized initial key for receiving a touch input provided at a predetermined position;
When a touch input to the initial key is performed, a visualized first dummy key that does not accept a touch input is provided instead of the initial key at the same position as the initial key, and the first dummy key A second dummy key that is visualized so as not to accept touch input is provided at a position that is a predetermined distance away from the first position, and is visualized so that the intermediate position input is accepted at an intermediate position between the first dummy key and the second dummy key. Second display means for displaying a second screen provided with no transparent key on the screen of the resistive touch panel;
A touch panel system comprising: execution means for executing processing assigned to the intermediate position input when the intermediate position input to the transparent key is continuously performed for a predetermined time.   2. The touch panel system according to claim 1, wherein the first display unit is visualized such that the touch input is not accepted at the same position as the position where the second dummy key is provided on the second screen on the first screen. A touch panel system configured to provide a spare dummy key. The touch panel system according to claim 2, wherein the initial key on the first screen and the first dummy key on the second screen have the same display color, shape and position,
The touch panel system, wherein the preliminary dummy key on the first screen and the second dummy key on the second screen have the same display color, shape and position. A resistance film type touch panel that detects a touch input by an operator by contact between the transparent conductive films; and a control device that receives the touch input from the resistance film type touch panel and transmits a predetermined output signal. In the touch panel system configured to receive an intermediate position input from the intermediate position by determining that the intermediate position between the two positions is being pressed when the touch input is performed at two positions simultaneously. ,
The control program of the control device includes a screen on which the first key visualized for accepting touch input and the second key visualized for accepting touch input are provided at predetermined positions. Display means for displaying on,
When a touch input to the first key is performed, the first key is changed to a state where the touch input is not accepted, and the second key is changed to a state where the touch input is not accepted, and Variable means for providing a non-visualized transparent key for accepting the intermediate position input at an intermediate position between the first key and the second key;
A touch panel system comprising: execution means for executing processing assigned to the intermediate position input when the intermediate position input to the transparent key is continuously performed for a predetermined time.

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