JP2000066782A - Display auxiliary device for touch type coordinate input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To turn an operation feeling by the direct contact of a user to the operation feeling close to an actual switch in terms of a tactile sensation. SOLUTION: Right above the display surface 3 of a display device 2 provided with a touch type coordinate input device, a display surface rugged part 8 is provided. The display surface rugged part 8 is composed of small sections 11 sectioned by double films 9 and partition walls 10 and is also composed of a transparent and non-water-infiltrating material. The double films 9 are composed of the material of a polyethylene group and is provided with the elasticity of a certain degree. A pressure control type display surface ruggedness control part 12 performs the control of pressurization and evacuation between the double films 9 by the injection and discharge of fluid to the small sections 11 and the shape of the film 13 of the double films 9 on the side to be directly touched by the user is changed by the pressurization/evacuation control. Thus, a graphic or the like simulating a button or an operation key displayed on the display surface is stereoscopically expressed by the display surface rugged part 8 and the user obtains the operation feeling close to the actual switch.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display auxiliary device for a touch-type coordinate input device which is arranged on a display surface of a display device having a touch-type coordinate input device.

[0002]

2. Description of the Related Art As a method of inputting coordinates in a computer having a display device, a touch-type coordinate input device is generally used as a coordinate input device for inputting coordinates by a direct contact operation on the display device. A display device having such a touch-type coordinate input device can input an item displayed on a screen by a simple operation such as touching with a fingertip or a pen tip. It is used as an input device for ticket vending machines and machines used in factories and the like. For example, in an ATM of a financial institution, execution buttons for deposit, withdrawal, balance inquiry, etc. are displayed on a CRT screen or the like, and when the user touches the execution button, the user proceeds to the next operation to execute a target process. Can be.
In a personal computer or a workstation, an input operation can be performed by touching buttons for maximizing, minimizing, and terminating a window screen, or various buttons displayed in the window screen. In FIG.
1 shows an example of a display device having a conventional touch-type coordinate input device. The display device 2 connected to the electronic computer 1 has a touch-type coordinate input device, and the user can display a graphic 4 simulating buttons and operation keys displayed on a display surface 3 on the display device 2 by a user.
Various input operations have been performed by directly touching with a fingertip or the like.

[0003]

However, displaying a button or a simulated operation key on the display surface as a means for clearly indicating a part that can be operated by direct contact on the display device by the user is not a visual method. However, even when the user actually touches the display surface, the buttons and operation keys are on the same plane as the entire display surface, so that the user feels uncomfortable tactilely.

[0004] It is an object of the present invention to make the operational feeling by direct contact of the user tactilely similar to that of a real switch.

[0005]

A display auxiliary device for a touch-type coordinate input device according to the present invention is arranged on a display surface of a display device having a touch-type coordinate input device, and is displayed on the display surface. Is configured to have a display surface unevenness control means for expressing tactile three-dimensionally.

[0006] This makes it possible to three-dimensionally represent a button or an operation key simulated figure displayed on the display surface, so that the user can obtain an operation feeling close to that of a real switch.

[0007] The display surface unevenness control means is configured to perform control for dynamically adjusting the unevenness in accordance with the display content on the display surface of the display device. The display surface unevenness control means may be, for example,
As described, having a double membrane partitioned into sub-compartments for storing fluid, by injecting and discharging fluid into said sub-compartments,
It is configured to perform control of increasing and decreasing the pressure between the double films. Here, the double membrane is made of a polymer-based material, for example, a polyethylene-based or polyvinylidene chloride-based material.

Further, the display surface unevenness control means has, for example, a double film divided into small sections for storing the deformable substance, and externally connects the deformable substance in the small section to the outside. It is configured to perform control to deform by a stimulus from the user. Here, the deformable substance is made of, for example, a substance having a variable crystal arrangement, such as a liquid crystal, or a substance having a variable molecular arrangement. In addition, the external stimulus is electricity, light,
It is performed by magnetism, heat or the like.

Further, the display surface unevenness control means smoothes a continuous multi-unevenness state by giving elasticity to a partition dividing the double film into the small sections. It is configured as follows. Here, the partition walls are made of a polymer-based material, for example, a polyethylene-based or polyvinylidene chloride-based material.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 shows an embodiment in which the present invention is applied to an automatic teller machine of a financial institution. An operation guide for the user is displayed on a guidance display section 7 arranged on a console 6 of the automatic teller machine 5.

FIG. 1 is a perspective view showing a main part of a guidance display unit 7 according to the first embodiment. Immediately above the display surface 3 of the display device 2 having the touch-type coordinate input device, a display surface unevenness 8 is provided. Display surface irregularities 8
Is a small section 11 divided by a double membrane 9 and a partition 10
Made of a transparent and non-water permeable material. Double membrane 9
Is made of a polyethylene material and has a certain degree of elasticity. The pressure control type display surface unevenness control unit 12 controls to pressurize and depressurize the space between the double membranes 9 by injecting and discharging a fluid into and from the small section 11. The membrane 13 on the side where the user of the membrane 9 is in direct contact
Changes its shape. The fluid is made of a transparent substance having a high fluidity, and is injected and discharged through minute pipes which are piped from the pressure control type display surface unevenness control unit 12 to each small section of the display surface unevenness unit 8. Although it has been described above that the display surface unevenness portion 8 is non-water permeable, the non-water permeable means that the fluid does not penetrate.

Next, the case of inputting a number on the guidance display section 7 will be described with reference to FIGS. 3 and 4. FIG. FIG. 3 is a top view when the numeric keypad 14 for inputting numbers is displayed on the display surface 3 in FIG. FIG. 4 is a sectional view of FIG. Now, when the numeric keypad 14 for inputting numbers is displayed on the display surface 3, the pressure control type display surface unevenness controller 12
Performs fluid injection into each subsection 11 arranged on the numeric keypad 14 displayed on the display surface 3. here,
One subsection corresponds to one button display. As a result, as shown in FIG. 4, irregularities 15 are generated in the irregularities 8 on the display surface, and when the user directly contacts the irregularities 15, the pressure 16 is transmitted to the display surface 3 via the irregularities 15. It is possible to perform the same coordinate input as the conventional touch-type coordinate input device. After that, the number input operation is completed, the display screen is changed, and proceed to the next operation menu,
When the unevenness 15 is no longer needed, the pressure control type display surface unevenness controller 12 discharges the fluid from the small section 11 having the unevenness 15.

As described above, the irregularities on the display device can be changed in accordance with the design and layout of the operation buttons displayed on the display surface 3. You can get the feeling.

Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 5 is a perspective view illustrating a main part of the guidance display unit 7 according to the second embodiment. A liquid crystal 17 whose crystal arrangement changes by applying a voltage is stored in each of the small sections 11, and each of the small sections 11 and the deformation control type display surface unevenness control section 18 are electrically connected to each other. I have. The deformation control type display surface unevenness control unit 18 controls the small section 11 to be made uneven to correspond to the button on the display surface 3.
By applying a voltage to the liquid crystal 17 in the inside, the shape of the film 13 on the side directly contacting the user of the double film 9 is raised. Other configurations are the same as those in FIG.

Next, a third embodiment of the present invention will be described with reference to FIGS. FIG. 6 is a top view illustrating a main part of the guidance display unit 7 according to the third embodiment.
FIG. 7 is a sectional view of FIG. In the third embodiment, the partition wall 19 that divides the space between the double membranes 9 into small sections 11 is made of a polyethylene-based material similarly to the double membrane 9, and has a certain degree of elasticity. Other configurations are the same as in the first embodiment.

Now, as shown in FIG.
A display button 20 for performing either “Yes” or “No” input operation is displayed.
Although one subsection 11 corresponds to one button display, in the present embodiment, a plurality of subsections 11 correspond to one button display by making the partition wall 19 elastic. Therefore, the continuous multiple uneven portions can be converted into the smooth uneven portion 20.

In the first to third embodiments, what is displayed on the guidance display section 7 is an operation guide for a user who is a healthy person. If the irregularities are used as Braille, it is possible to provide operation guidance to a user who is visually impaired, and it is not necessary to provide a Braille information expression device again. Book 1st, 2nd
The double membrane 9 shown in the embodiment and the partition 1 shown in the third embodiment
9 is made of a polyethylene-based material, but may be any polymer-based material that can be finely processed, for example, a polyvinylidene chloride-based material.
Further, in the second embodiment, the liquid crystal 17 is stored as a substance in each of the small sections 11, but is not limited thereto. Any material that raises the shape of the film 13 may be used. Further, the stimulation is not limited to the electrical stimulation, but may be stimulation by light, magnetism, heat, or the like. The stimulation causes the shape of the membrane 13 on the side of the double membrane 9 to be in direct contact with the user. Anything is fine.

In FIGS. 1, 4, 5 and 7, etc., the thickness (the thickness in the direction perpendicular to the display surface) is exaggerated so that the structure and operation of the present invention can be easily understood. Although it is drawn,
This thickness is within a range in which a sufficient three-dimensional tactile sensation can be given to the user and within a range that does not hinder the operability of the touch-type coordinate input device and the visual effect of the display surface. It can be set as appropriate, for example, it is also possible to configure as a thin sheet-like one that hardly visually perceives the thickness.

[0019]

According to the present invention, when a touch-type coordinate input device is used, the touch-type coordinate input device allows a user to operate the touch-sensitive coordinate input device by direct contact on the display surface so that the display surface is dynamically uneven. Part can be generated,
The user can feel tactilely close to a real switch. In addition, by applying the present invention, it is possible to output irregularities on the display surface as Braille.

[Brief description of the drawings]

FIG. 1 shows a guidance display unit 7 according to a first embodiment.
3 is a perspective view showing a main part of FIG.

FIG. 2 is a diagram in which the present invention is applied to an automatic payment machine of a financial institution.

FIG. 3 is a top view when a numeric keypad 14 for inputting numbers is displayed on the display surface 3 in FIG. 1;

FIG. 4 is a sectional view of FIG. 3;

FIG. 5 shows a guidance display unit 7 according to the second embodiment.
3 is a perspective view showing a main part of FIG.

FIG. 6 shows a guidance display unit 7 according to the third embodiment.
FIG. 3 is a top view showing a main part of FIG.

FIG. 7 is a sectional view of FIG. 6;

FIG. 8 is a diagram showing a display device having a conventional touch-type coordinate input device.

[Explanation of symbols]

Reference Signs List 1 electronic computer 2 display device 3 display surface 4 figure simulating buttons and operation keys 5 automatic payment machine 6 console 7 guidance display unit 8 display surface unevenness 9 double membrane 10 partition 11 small section 12 pressure control display surface unevenness Control unit 13 Film on the side of the double membrane 9 that the user directly contacts 14 Numeric keypad displayed on the display surface 3 Irregularity 16 Pressure 17 Liquid crystal 18 Deformation control type display surface irregularity control unit 19 Made of polyethylene material A partition having a certain degree of elasticity 20 display buttons displayed on the display surface 3

Claims (5)

[Claims] 1. A display device having a touch-type coordinate input device, comprising: a display surface unevenness control means arranged on a display surface of a display device, and a tactile three-dimensional representation of a two-dimensional screen displayed on the display surface. Characteristic display auxiliary device for touch type coordinate input device. 2. The touch-type coordinate input device according to claim 1, wherein said display surface unevenness control means performs control to dynamically adjust the unevenness on the display surface of said display device in accordance with display contents or the like. Display assist device for device. 3. The display surface unevenness control means has a double membrane divided into small compartments for storing a fluid, and by injecting and discharging a fluid into and out of the small compartments, a gap between the membranes of the double membrane is formed. 3. The display assisting device for a touch-type coordinate input device according to claim 2, wherein control for increasing and decreasing pressure is performed. 4. The display surface unevenness control means has a double membrane divided into small sections for storing a deformable substance, and performs control for deforming the deformable substance in the small section by an external stimulus. 3. The display auxiliary device for a touch-type coordinate input device according to claim 2, wherein: 5. The display surface unevenness controlling means smoothes a continuous multiple unevenness state by giving elasticity to a partition partitioning the space between the double films into the small sections. 4. The display auxiliary device for a touch-type coordinate input device according to 4.