WO2016039538A2

WO2016039538A2 - Touch screen device having braille support function and control method therefor

Info

Publication number: WO2016039538A2
Application number: PCT/KR2015/008885
Authority: WO
Inventors: 최한솔
Original assignee: 최한솔
Priority date: 2014-09-11
Filing date: 2015-08-25
Publication date: 2016-03-17
Also published as: WO2016039538A3

Abstract

The present invention relates to a touch screen device having a braille support function and a control method therefor, the touch screen device comprising: a touch screen for sensing a touch location of a user; and a control unit for entering into a first mode or a second mode according to the direction of use of the touch screen, identifying the touch screen as a one dot cell if the control unit enters the first mode, and identifying the touch screen as two dot cells if the control unit enters the second mode, thereby receiving braille according to the touch location of the user. Therefore, six dots of braille can be easily and correctly inputted, and abbreviations and symbols of a 12 dot system can also be inputted on the touch screen.

Description

Touch screen device with braille support and its control method

The present invention relates to a touch screen device having a braille support function and a control method thereof, and more particularly, to easily and accurately input 6 points of braille on a touch screen and to input abbreviations and symbols of a 12 point system. The present invention relates to a touch screen device having a braille support function and a control method thereof.

The touch screen device is a display device that adopts a touch screen input method that touches a character or a specific position on the screen instead of a keyboard input method, and is currently widely used in various fields such as computer devices, mobile communication terminals, kiosk terminals, and car AV systems. have. In addition, ATM devices for cash withdrawals and computer devices for guiding public spaces often adopt a touch screen input method.

However, since the touch screen cannot recognize a touch unlike a physically configured button type, a user with a visual impairment or a user who has poor vision has an inconvenience in recognizing a button input by the user. In particular, as the smart phone is popularized, the keyboard is displayed on the touch screen and input, so that a user with visual impairment has a great difficulty in inputting text.

In order to solve such a problem, conventionally, when the keyboard displayed on the touch screen is focused with a finger, the voice is outputted to assist input, but there is a limit to touching the correct position due to the characteristics of the visually impaired.

Accordingly, there is a need for a technology for easily and accurately inputting characters using Braille on a touch screen.

[Preceding technical literature]

(Patent Document 1) Korean Patent Application No. 10-2011-0029593: A touch screen with a braille support function and a display device using the same

The present invention has been made to solve the above-described problem, a touch screen device having a braille support function that can easily and accurately input 6 points of Braille on the touch screen and input abbreviations and symbols of 12 points system And there is a technical problem to provide the control method.

According to an aspect of the present invention for solving the above problems, a touch screen for detecting a user's touch position; And enter one of a first mode and a second mode according to a direction in which the touch screen is used, and recognize the touch screen as a single dot in the first mode and in the second mode, in the second mode. A touch screen device including a controller for recognizing two dot spaces and receiving braille according to a touch position of the user is provided.

The controller may enter the first mode when the touch screen is in a vertical direction, and adjust the touch position of the user based on a virtual split line dividing the four surfaces of the touch screen and the touch screen. The braille can be input in correspondence with the braille of the six-point system.

The controller enters the second mode when the touch screen is in the horizontal direction, divides the touch screen into a first region and a second region, and inputs the first and second regions, respectively. The braille position of the user may correspond to the braille of the 12-point system to receive the braille.

The controller may switch the braille input mode to at least one of a Korean input mode, an English input mode, a numeric input mode, and a special character input mode according to a preset user input.

In addition, the controller may receive general braille according to the touch position of the user in the first mode, and abbreviated braille according to the touch position of the user in the second mode.

On the other hand, it may further include a protective film attached to the touch screen to display the point space in the embossed or intaglio.

According to another aspect of the present invention for solving the above problems, (A) step of executing a braille input function for receiving a braille through a touch screen; (B) entering one of the first mode and the second mode according to the direction of use of the touch screen; And (C) recognizing the touch screen as one dot space in the first mode and receiving the braille according to the touch position of the user by recognizing the touch screen as two dot spaces in the second mode. A control method of a touch screen device is provided.

Here, the step (B) includes entering the first mode when the touch screen is in a vertical direction; The step (C) may include receiving the braille by matching the user's touch position with the braille of the 6-point system based on the virtual dividing line that divides the four sides of the touch screen and the touch screen into equal parts. Can be.

In addition, the step (B) includes the step of entering the second mode when the touch screen is in use in the horizontal direction; In the step (C), the touch screen is divided into a first area and a second area so that the user's touch positions respectively input to the first area and the second area correspond to the braille of a 12-point system. It may include receiving a step.

In the step (C), the first touched point or the dragged line inside the four sides of the touch screen is recognized as 2, 5 points or the center reference line which is the center reference of the 6 points, and the reference line or the The point touched upward of the reference point may include receiving 1, 4 points, and points touched downward as 3, 6 points among the 6 points to correspond to the braille of the 6-point system to receive the braille. .

In addition, in the step (C), if the location of the touched point inside the four touch screens is close to the left edge line, one of the left 1,2,3 points is recognized and the right 4 is close to the right edge line. The method may include receiving braille as one of 5,6 points.

On the other hand, it may further include the step of recognizing the point once touched as the ON state and the touch of the ON state again to the OFF state to recognize the OFF to modify the braille to receive the input step.

As described above, according to the touch screen device and the control method provided with the braille support function of the present invention, it is possible to easily and accurately input 6 points of braille on the touch screen.

In addition, according to the touch screen device with a braille support function of the present invention and a control method thereof, abbreviations and symbols of a 12-point system can also be easily and accurately input.

1 is a control block diagram of a touch screen device with braille support according to an embodiment of the present invention.

2 is a diagram illustrating a configuration of braille.

3 is a Korean Braille notation table.

4 and 5 are Hangul abbreviation tables.

6 is a diagram illustrating a braille input method according to a first embodiment of the present invention.

7 and 8 are diagrams illustrating a braille input method in a variable position according to an embodiment of the present invention.

9 is a diagram illustrating a braille correction method according to an embodiment of the present invention.

10 is a diagram illustrating a braille input method according to a second embodiment of the present invention.

11 is a control flowchart of a touch screen device having a braille support function according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description with reference to the accompanying drawings, the same or corresponding components will be given the same reference numerals and redundant description thereof will be omitted.

As shown in FIG. 1, the touch screen device of the present invention processes a user input input through a touch input unit 110 for a user's touch input, a display unit 120 for displaying data, and a touch input unit 110. And a control unit 130 for displaying the processing result on the display unit 120 and a memory 140 in which control data for controlling each of the components is stored.

The touch input unit 110 detects a touch of a body element such as a user's finger to detect a touch position of the user. The touch input unit 110 may be configured in various ways such as capacitive type, infrared type, resistive film type, or ultrasonic type according to a sensing method of a user input.

The display unit 120 displays data under the control of the controller 130. The touch screen 100 may be provided by stacking the touch input unit 110 on the display unit 120 and providing a screen and detecting a touch position of the user.

The memory 140 recognizes the braille system recognition information on the braille screen provided through the touch screen 100, and recognizes a user input according to the braille system recognition method to process inputs such as letters, numbers, symbols, and spacing. The control program for this can be stored.

The controller 130 may provide an electronic input function using the touch screen 100 based on a control program stored in the memory 140. The controller 130 recognizes the braille input by the user by separating the use mode in the first direction and the second direction according to the use direction of the touch screen 100.

2 illustrates a configuration of braille received by the controller 130.

Referring to Figure 2, Braille consists of six points (three points in length, two points in the side), and the unique number of 1-2-3 points from the top left to bottom, 4-5-6 points from the top right I put it and use it. Braille consists of 64 different point shapes depending on the number and position of the points selectively embossed in a rectangular braille cell according to the letter system. Is achieved.

3 is a braille table showing initial and finality of Korean language. In Korean, one of the 64 dot forms uses spaces without any dots to space between words, and the other 63 dots form 13 initial consonants, 14 final consonants, 21 vowels, Assign to 27 abbreviations, 7 abbreviations, numbers, punctuation marks, etc.

FIG. 4 illustrates one type of braille and FIG. 5 illustrates two type of braille.

The first class abbreviation is a single syllable letter, and the second class abbreviation is a next syllable letter. As shown in FIGS. 4 and 5, 'one' and two abbreviations of one abbreviation are represented by a 12-point system.

Accordingly, the controller 130 of the present invention may enter the first mode for recognizing 6 points and the second mode for recognizing 12 points according to the direction of use of the touch screen 100 to recognize a user input.

FIG. 6 is a diagram illustrating a braille input method according to a first embodiment of the present invention, which illustrates a method of recognizing braille input when the touch screen 100 is used in a first mode in a vertical direction.

As shown in FIG. 6, in the first mode using the touch screen 100 in the vertical direction, the controller 130 recognizes the touch screen 100 as one braille cell.

As shown in (a), the controller 130 divides the touch screen 100 horizontally and vertically, recognizes six points input by the user in a quartered area, and inputs letters, numbers, and special characters from the user. I can receive it.

The controller 130 may recognize the six points according to which line the user input position is close to the edge boundary ABEF and the horizontal dividing line CD of the four sides of the touch screen 100.

For example, the point located on the upper side with respect to the center CD line is compared with the distance between the upper AB line (first distance) and the distance with the center CD line (second distance). Five points can be recognized, and the point closest to the upper AB line can be recognized as one or four points of six points.

In the case of the point located on the lower side of the center CD line, the distance between the bottom EF line and the center CD line can be recognized as 2 or 5 points close to the CD line. The nearest point can be recognized as 3 or 6 points.

In addition, as shown in (b), the controller 130 may move to a point of left (1, 2, 3) or right (4, 5, 6) depending on which line is closer to the left edge AE line or the right BF line. I can recognize it.

7 and 8, the control unit 130 of the present invention, the first touch point or the dragged line in the border boundary of the four sides of the touch screen in the first mode or the second mode, 2,5 points in the middle of the six points. Recognize it as one or the middle baseline.

Thereafter, the controller 130 compares the position of the reference point or the reference line with the position of the touched point, and the point closer to the border line than the reference line or the reference point or the point touched above the reference line is 1, 4 points. Recognize. The points closer to the lower border line than the reference line or the reference point or touched below the reference line are recognized as 3 and 6 points.

As such, the controller 130 may receive the upper, middle, and lower braille at any position of the touch screen 100 by variably setting the reference line according to the user input.

9 is a diagram illustrating a method of modifying braille according to an exemplary embodiment of the present invention and a process of modifying "t" to "ㅁ".

According to an embodiment of the present invention, when correcting when braille is input during input, the controller 130 recognizes a point touched once as ON and touches a point in the ON state as OFF when it is turned off. This example illustrates how to enable the correction of Braille coming from the input of Braille.

As shown in FIG. 9, when 5 points and 1 and 4 points are touched on the

touch screen

100, 5, 1 and 4 points are recognized as turned on, so that the controller 130 recognizes “p” of the 6 point system. can do.

Here, if the user touches 4 points again after dragging the center line in the sense of correction, the previously touched 4 points are recognized as off and the controller 130 recognizes only 1 and 5 points. Thus, the first input "pl" may be corrected and input to "ㅁ".

FIG. 10 is a diagram illustrating a braille input method according to a second embodiment of the present invention, and illustrates a method of recognizing braille input when the touch screen 100 is used in a second mode in a horizontal direction.

As shown in FIG. 10, in the second mode using the touch screen 100 in the horizontal direction, the controller 130 switches to the abbreviation input mode and recognizes the touch screen 100 as two braille cells. .

The controller 130 may divide the touch screen 100 into two left and right dot spaces, recognize a six point input in each of the spaces, and receive an abbreviation from the user.

The controller 130 may recognize the six points based on which line the user input position is close to, based on the border line acfh, the vertical dividing line bg, and the horizontal dividing line de on the four sides of the touch screen 100.

For example, the point closest to the center de line may be recognized as 2,5 points among the six points, and the point closest to the upper ab line may be recognized as 1,4 points. Also, the point closest to the lower fg line can be recognized as 3 or 6 points below the six points. The point close to the bc line may be recognized as 1,4 points of the rear six points, and the point close to the gh line may be recognized as three or six points of the rear points.

In addition, the point input in the area between af and bg can be recognized as the front six point, and the point input in the area between bg and ch can be recognized as the rear six point.

Meanwhile, the controller 130 may perform functions such as spacing, erasing, backspace, and line wrap, according to a preset user input, such as dragging the touch screen 100 up and down, left and right, or pinching in and out. Can be.

In addition, the controller 130 may switch the input mode of the touch screen 100 to Korean, English, numbers, and special character input modes according to a preset user input. For example, if one side of the virtual figure is set to Korean, English, numerals, and special characters, the mode may be switched when the corresponding surface is dragged. Alternatively, the input mode may be set to the four sides of the touch screen 100 to be touched. The input mode may be switched according to a drag input from the specific edge of the screen 100 to the inner direction of the screen, or the screen from the inner direction to the edge of the touch screen 100.

On the other hand, the user is attached to the touch screen 100 by attaching a protective film for displaying the CD line (see Fig. 5) or the bg and de line (see Fig. 6) for dividing the touch screen 100 in an embossed or intaglio It is possible to easily recognize the braille input area.

11 is a control flowchart of a touch screen device 100 having a braille support function according to an embodiment of the present invention.

The controller 130 checks the direction of the touch screen 100 when the braille input function is executed (S100). The controller 130 checks whether the touch screen 100 is used in the first direction or the second direction, where the first direction is vertical and the second direction is horizontal.

If it is determined that the touch screen 100 is being used in the first direction, that is, the vertical direction (S110), the controller 130 enters the first mode (S120).

In the vertical direction, the vertical length is longer than the horizontal length of the touch screen 100. In the first mode, the controller 130 recognizes the entire touch screen 100 as one braille cell. Thus, the controller 130 recognizes six points input by the user on the touch screen 100 (S130). Here, the controller 130 may recognize the six points based on which line the user input position is close to, based on the edge boundary ABEF and the horizontal dividing line CD of the four sides of the touch screen 100.

If it is determined that the touch screen 100 is used in the second direction, that is, the horizontal direction (S210), the controller 130 enters the second mode (S220).

In the horizontal direction, the horizontal length is longer than the vertical length of the touch screen 100. In the second mode, the controller 130 divides the entire touch screen 100 into two areas and recognizes the two touch spaces as two dot spaces (S230). ). Thus, the controller 130 recognizes 12 points inputted by 6 points in each area.

Thereafter, the controller 130 interprets the input characters by combining the recognized braille (S250). The controller 130 may recognize the braille input in the first mode as the braille of the 6 point system, and may recognize the braille input in the second mode as the abbreviation of the 12 point system.

The controller 130 performs feedback according to the interpreted character (S260). The controller 130 may write a text message or output a voice according to the input braille.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. do.

[Description of the code]

100: touch screen 110: touch input unit

120: display unit 130: control unit

140: memory

Claims

A touch screen that senses a user's touch position; And

Enter one of the first mode and the second mode according to the direction of use of the touch screen, and recognizes the touch screen as a single dot in the first mode and the touch screen in the second mode. And a controller for recognizing two dot spaces and receiving braille according to the touch position of the user.
The method of claim 1,

The control unit,

When the touch screen is in a vertical direction, the first mode is entered.

The touch screen device according to claim 4, wherein the user's touch position corresponds to the braille of the 6-point system based on the virtual dividing line dividing the four sides of the touch screen and the touch screen.
The method of claim 1,

The control unit,

When the touch screen is in the horizontal direction, the second mode is entered.

The touch screen is divided into a first area and a second area so that the user's touch positions respectively inputted to the first area and the second area correspond to the braille of a 12-point system, and receive the braille. Touch screen device.
The method of claim 1,

The control unit,

And the braille input mode is switched to at least one of a Korean input mode, an English input mode, a numeric input mode, and a special character input mode according to a preset user input.
The method of claim 1,

The control unit,

In the first mode, the user inputs general braille according to the touch position of the user, and in the second mode, the touch screen device receives the braille in accordance with the touch position of the user.
The method of claim 1,

And a protective film attached to the touch screen to display the point spaces in an embossed or engraved manner.
(A) performing a braille input function for receiving braille through a touch screen;

(B) entering one of the first mode and the second mode according to the direction of use of the touch screen; And

(C) recognizing the touch screen as one dot space in the first mode and receiving the braille according to the touch position of the user by recognizing the touch screen as two dot spaces in the second mode. Control method of the touch screen device.
The method of claim 7, wherein

Step (B) includes entering the first mode when the touch screen is in a vertical direction;

The step (C) may include receiving the braille by matching the user's touch position with the braille of the six-point system based on the four sides of the touch screen and the virtual dividing line dividing the touch screen. Control method of the touch screen device, characterized in that.
The method of claim 7, wherein

Step (B) includes entering the second mode when the touch screen is in a horizontal direction;

In the step (C), the touch screen is divided into a first area and a second area so that the user's touch positions respectively input to the first area and the second area correspond to the braille of a 12-point system. Control method of a touch screen device comprising the step of receiving an input.
The method of claim 7, wherein

Step (C) is,

Recognizing the first touched point or the dragged line inside the four sides of the touch screen as 2, 5 points or the center reference line as the center reference of the six points, and the point touched above the reference line or the reference point is 1, 4 points, 6 points down the touch point is recognized as 3, 6 points and the control method of the touch screen device comprising the step of receiving the braille corresponding to the braille of the six-point system.
The method of claim 7, wherein

Step (C) is,

If the location of the touched point on the inside of the four touch screens is close to the left edge line, it is recognized as one of the left 1,2,3 points, and if the distance to the right edge line is close, the braille is one of the right 4,5,6 points. Control method of the touch screen device, characterized in that it comprises the step of receiving an input.
The method of claim 7, wherein

Recognizing the point once touched as the ON state and touch the point in the ON state again to recognize the OFF OFF state to modify the braille and receive the input of the control of the touch screen device further comprising Way.