KR20100121218A - Method for letter inputting of touch screen - Google Patents

Abstract

An object of the present invention is to provide a touch screen character input method that can easily enter and delete characters using touch and drag on a touch screen of a personal terminal. An embodiment of the present invention provides a method for inputting a character on a touch screen of a terminal, the method comprising: displaying a keypad including a Hangul consonant button on a touch screen and a display unit displaying the input character; Displaying a Hangul consonant corresponding to the touch signal on the display unit when the touch signal is detected by the Hangul consonant button of the keypad, and displaying a Hangul vowel pop-up window around the Hangul consonant button where the touch signal is detected on the touch screen; And displaying a character in which a Hangul consonant corresponding to the touch signal and a Hangul vowel corresponding to the drag signal are displayed on the display unit when the drag signal is detected in the Hangul vowel pop-up window.

Description

Method for Letter Inputting of Touch Screen}

The present invention relates to a method for inputting a character on a touch screen of a terminal.

In recent years, many personal terminals such as PDAs and mobile phones are being used, and they are becoming smaller while including many functions. The personal terminal requires an input unit for inputting by the user and a display unit for displaying information to the user. The input unit requires a number of keys (buttons) that are sized for the user to correctly input, and the display unit requires a large screen to the extent possible to display the multimedia.

A touch screen type screen may be used to simultaneously provide an input unit and a display unit in a miniaturized personal terminal. The touch screen is composed of a display device such as an LCD and a touch panel installed thereon. A user inputs a command by touching a keypad or an icon displayed on a touch screen using a finger or a pen for touch.

Even when using such a touch screen, it is not preferable to display a keypad having a large number of keys depending on the size of the touch screen. Each key is smaller in size, which is inconvenient for the user to view, and it is difficult for the user to accurately touch each key with a finger or a touch pen.

A personal terminal therefore generally provides a keypad with a small number of keys. Each key of the keypad is assigned a plurality of characters. For example, in order to input Korean consonants, vowels, or alphabets in each key on a 3 * 4 keypad, the keys must be touched up to three to four times. This approach is inconvenient for the user and slows down the text input.

Accordingly, there is a need for a method of facilitating text input on a keypad provided on a touch screen of a personal terminal.

On the other hand, when deleting a plurality of characters during input in the personal terminal, it is necessary to delete each of the plurality of characters in a general personal terminal, it is not easy to delete the characters to be deleted at the same time. Accordingly, there is a need for a method of simultaneously deleting a plurality of characters from a touch screen of a personal terminal.

An object of the present invention is to provide a touch screen character input method that can easily enter and delete characters by using touch and drag on the touch screen of a personal terminal.

In order to achieve the above object, a first embodiment of the present invention provides a method for inputting a character on a touch screen of a terminal, the keypad including a Hangul consonant button and a display unit for displaying the input character. step; Displaying a Hangul consonant corresponding to the touch signal on the display unit when the touch signal is detected by the Hangul consonant button of the keypad, and displaying a Hangul vowel pop-up window around the Hangul consonant button where the touch signal is detected on the touch screen; And displaying a character in which a Hangul consonant corresponding to the touch signal and a Hangul vowel corresponding to the drag signal are displayed on the display unit when the drag signal is detected in the Hangul vowel pop-up window.

In this case, the Hangul vowel pop-up window, the Hangul basic vowel pop-up window to display the Hangul basic vowel (ㅏ, ㅑ, ㅓ, ㅕ, ㅗ, ㅛ, TT, ㅠ, ㅡ, ㅣ); The Korean composite vowel popup window that displays Korean composite vowels (ㅐ, ㅒ, ㅔ, ㅖ, ㅘ, ㅙ, ㅚ, ㅝ, ㅞ, ㅟ, ㅢ) that is derived from the Korean default vowel dragged from the Korean main vowel popup window desirable.

The Hangul compound collection popup window displays 'ㅐ' when 'ㅏ' is selected in the Hangul default vowel popup window, and displays 'ㅒ' when 'ㅑ' is selected in the Hangul default vowel popup window. If 'ㅓ' is selected in, 'ㅔ' is displayed. If 'ㅕ' is selected in the Hangul basic vowel popup window, 'ㅖ' is displayed. If 'ㅗ' is selected in the Hangul main vowel popup window, ' 'ㅘ', 'ㅙ', 'ㅚ', and when 'TT' is selected in the Korean default vowel popup window, 'ㅝ', 'ㅞ', 'ㅟ' is displayed, and 'ㅡ' in the Korean default vowel popup window. When 'is selected, it is preferable to display' ㅢ '.

When the touch signal or the drag signal is released, the method may further include removing the Hangul vowel popup window.

According to a second embodiment of the present invention, there is provided a method of inputting a character on a touch screen, the method comprising: displaying a keypad including a plurality of buttons to which a plurality of characters are assigned on a touch screen and a display unit for displaying the input characters; Displaying a pop-up window including a plurality of characters assigned to a button on which a touch signal is detected, around a button on which a touch signal is detected, when a touch signal is detected on a button of a keypad; And displaying a character corresponding to the drag signal on the display unit when the drag signal is detected in the pop-up window.

When the drag signal is not detected in the pop-up window, the method may further include displaying, on the display unit, a representative character set in advance among a plurality of characters assigned to the button on which the touch signal is detected.

When the touch signal or the drag signal is released, the method may further include removing the pop-up window.

According to a third embodiment of the present invention, the keypad further includes a backspace key, and when a drag signal starting from the backspace key of the keypad is detected, the drag signal starting from the backspace key from the position of the cursor on the display unit is detected. Characters corresponding to the length of the provides a touch screen character input method comprising the step of deleting.

According to the present invention described above, a user can easily input and delete desired characters (Korean, English, numbers, special characters) using touch and drag on a keypad on a touch screen with a small number of keys.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention. Features and effects of the present invention will be described in more detail below.

Hereinafter, 'touch' means contacting a finger or a touch device (pen, etc.) on the touch screen, and 'drag' means moving while touching a finger or touch device on the touch screen.

1 illustrates a portable telephone as an example of a personal terminal to which a touch screen text input method according to the present invention is applied.

Referring to Fig. 1, the portable telephone 1 has a function of playing, recording and transmitting / receiving multimedia data in addition to basic telephone functions. The portable telephone 1 essentially includes a display device for displaying texts and images and an input device for a user to instruct a command in order to perform these functions.

In the case of FIG. 1, the portable telephone 1 has a touch screen 100 that can simultaneously implement a display and an input. The touch screen 100 is composed of a display device such as an LCD and a touch panel installed thereon. A user inputs a command by touching a keypad or an icon displayed on a touch screen using a finger or a pen for touch. When using the touch screen 100, it is not necessary to provide both a space for a display device and a space for an input device, thereby providing a user with an area for larger display and an area for input.

In addition, the portable telephone 1 may further include a controller, a wireless transceiver, a microphone, a speaker, an external input / output terminal, and the like, and description thereof is omitted.

<First Embodiment>

2 illustrates an initial screen of the touch screen 100 to which the first embodiment of the present invention is applied.

Referring to FIG. 2, the touch screen 100 is divided into a display unit 110 in which a character input by a user is displayed, and a keypad 120 in which a user inputs Korean characters.

In FIG. 2, the keypad 120 includes 12 consonant buttons assigned to Korean consonants, a space button, a back space button, a Korean / English conversion button, a number / special character conversion button, a completion button, and the like. Korean vowels are not assigned to buttons. Each consonant button is assigned one or two Hangul consonants. Similar to the double-click of the mouse, the consonant buttons (a, c, k, k, k) can be touched in succession to input double consonants (k, k, k, k, k). In addition, when the 'ㅋㅌ' or 'ㅎ' button is touched once, 'ㅋ' or 'ㅎ' is input and when touched twice, 'ㅌ' or 'ㄷ' is input. 2 illustrates an example of a keypad having various arrangements including a Korean consonant button.

The user touches the consonant button corresponding to the consonant of the Hangul to be input. 3 illustrates an example in which the user touches the 'ㅁ' button using the input pen P. Referring to FIG.

Referring to FIG. 3, when a touch signal is detected from the 'ㅁ' button of the keypad 120, 'ㅁ' is displayed on the display 110. And, around the 'ㅁ' button, the Hangul basic collection popup window 130 is displayed.

The Hangul basic collection popup window 130 displays 10 characters of the Hangul basic collection (ㅏ, ㅑ, ㅓ, ㅕ, ㅗ, ㅛ, ㅜ, ㅠ, ㅡ, ㅣ). 3, 'ㅏ' and 'ㅑ' are on the right side of the 'ㅁ' button, 'ㅓ' and 'ㅕ' are on the left side of the 'ㅁ' button, and 'ㅗ' and 'ㅛ' are the On the upper side, 'TT' and 'ㅠ' are displayed below the 'ㅁ' button, 'ㅡ' is displayed on the lower left side of the 'ㅁ' button, and 'ㅣ' is displayed on the lower right side of the 'ㅁ' button.

In this state, when the user detaches the touch pen P from the touch screen 100 and releases the touch of the 'ㅁ' button, the 'ㅁ' is finally inputted to the display unit 110 and the Korean basic collection popup window 130 Is removed.

Alternatively, the user may drag the touch pen P to one of the collections of the Korean basic collection popup window 130. 4 illustrates an example in which the user touches the 'ㅁ' button using the input pen P and drags it to 'ㅗ'. In FIG. 4, 'D' indicates a path dragged by the user.

Referring to FIG. 4, when a drag signal is detected by the 'ㅗ' of the Korean main collection popup window 130, the display unit 110 displays a 'm' which is set as 'ㅁ' and 'ㅗ' as neutral. . Then, around the '복합' collection of the Hangul basic collection pop-up window 130, the Hangul composite collection pop-up window 140 is displayed.

Hangul compound collection pop-up window 140 is a Hangul compound collection (ㅐ, ㅒ, ㅔ, ㅖ, ㅘ, ㅙ) derived from the basic Hangul (모, ㅑ, ㅓ, ㅕ, ㅗ, ㅛ, TT, ㅠ, ㅡ, ㅣ) , ㅚ, ㅝ, ㅞ, ㅟ, ㅢ). The relationship between the basic Korean vowels and the composite Korean vowels follows the principle of the dictatorship of the Korean vowels. Each Korean basic vowel and the Korean composite vowels derived from them are summarized in Table 1 below.

A ㅑ ㅓ ㅕ ㅗ ㅛ TT ㅠ ㅡ ㅣ ㅐ, ㅘ, ㅙ ㅒ ㅔ, ㅝ, ㅞ ㅖ ㅘ, ㅙ, ㅚ None ㅝ, ㅞ, ㅟ None ㅢ None

Referring back to FIG. 4, the compound collections derived from the vowel 'ㅗ' are displayed as 'ㅘ', 'ㅙ' and 'ㅚ' in the Korean compound collection popup window 140.

When the user releases the input pen P from the touch screen 100 and releases the drag, the display unit 110 finally inputs the 'mo', and the Korean basic vowel popup window 130 and the Korean composite vowel popup window 140 Removed. Thereafter, the user further enters consonants to enter the last or the first letter of the next character.

Alternatively, the user may continue to drag the input pen P to select one of the compound collections (ㅘ, ㅙ, ㅚ) displayed on the Hangul compound collection pop-up window 140. For example, when the user drags to 'ㅘ' and releases the drag, '뫄' is finally input to the display unit 110, and the Korean basic collection popup window 130 and the Korean composite collection popup window 140 are removed. Thereafter, the user further enters consonants to enter the last or the first letter of the next character.

In another embodiment, the Hangul basic vowel pop-up window 130 displays the Hangul basic vowels (ㅏ, ㅜ, ㅗ, TT, ㅡ, ㅣ), and the Hangul composite vowel popup window 140 is a Hangul derived from each Hangul basic vowel Complex collections (ㅐ, ㅑ, ㅒ, ㅔ, ㅕ, ㅖ, ㅘ, ㅙ, ㅚ, ㅛ, ㅝ, ㅞ, ㅟ, ㅠ, ㅢ) can be displayed. Each Hangul basic collection and the Hangul composite collection derived from them are summarized in Table 2 below.

A ㅓ ㅗ TT ㅡ ㅣ ㅐ, ㅑ, ㅒ, ㅘ, ㅙ ㅔ, ㅕ, ㅖ, ㅝ, ㅞ ㅘ, ㅙ, ㅚ, ㅛ ㅝ, ㅞ, ㅟ, ㅠ ㅢ None

In this case, when the user touches the consonant of the keypad 120, the Korean basic vowel popup window 130 including the basic Korean vowels (ㅏ, ㅓ, ㅗ, TT, ㅡ, ㅣ) around the consonant button from which the touch signal is detected ) Is displayed, and when one of the basic Korean vowels (ㅏ, ㅓ, ㅗ, TT, ㅡ, ㅣ) is selected by dragging, the Korean composite vowel popup window 140 including the Korean composite vowel derived from the selected basic vowel is displayed. Is displayed. Thus, the user can select the desired collection by dragging.

The above-described embodiment has been described as an example, and it is possible to configure the Korean basic collection popup window and the Korean composite collection popup window in various ways. In addition, although it has been described that the vowel is selected in two stages of the Korean basic vowel pop-up window and the Korean composite vowel pop-up window, it is also possible to select the vowel with three or more levels of pop-up windows.

Using the above-described method, the user can easily input Korean by touching a consonant and selecting a vowel by dragging.

 &Lt; Embodiment 2 >

5 shows an initial screen of the touch screen 100 to which the second embodiment of the present invention is applied.

Referring to FIG. 5, the touch screen 100 is divided into a display unit 110 in which a character input by a user is displayed and a keypad 120 ′ for inputting a Hangul.

In FIG. 5, the keypad 120 ′ includes a character button and a space button to which numbers, English alphabets and special characters are assigned, a backspace button, a Korean / English conversion button, a number / special character conversion button, a completion button, and the like. Each of the character buttons is assigned a plurality of numbers, alphabets, special characters, and the like. For example, the button '1' is assigned the numbers '1' and the letters 'A', 'B' and 'C', and the button '*' is assigned the special characters '*', '.' And ',' are assigned.

The user touches a character button corresponding to a character to be input. FIG. 6 illustrates an example in which the user touches the '5' button using the input pen P. Referring to FIG.

Referring to FIG. 6, when a touch signal is detected from the '5' button of the keypad 120 ', the display 110 displays' 5', which is a representative character of the '5' button. The popup window 150 is displayed around the '5' button.

The pop-up window 150 displays a plurality of characters '5', 'M', 'N', and 'O' assigned to the character button '5' in which the touch signal is detected. 6, '5' is above the '5' button, 'M' is to the left of the '5' button, 'N' is to the right of the '5' button, and 'O' is the '5' button. Is displayed at the bottom of the screen.

In this state, when the user detaches the touch pen P from the touch screen 100 and releases the touch of the '5' button, the display unit 110 finally inputs '5' and the popup window 150 is removed. .

Alternatively, the user may drag the touch pen P to one of the characters of the popup window 150. For example, when the user drags the touch pen P to the right to move to the 'N' position of the popup window 150, the display unit 110 displays 'N' instead of '5'. Thereafter, when the user releases the drag, 'N' is finally input to the display unit 110 and the popup window 150 is removed.

Using the above-described method, the user can easily input a character by selecting one of the plurality of characters through dragging after selecting the character button to which the plurality of characters are assigned.

Third Embodiment

7 illustrates a screen of the touch screen 100 to which the third embodiment of the present invention is applied.

In FIG. 7, a plurality of characters are input to the display window 110, and the cursor is positioned at the terminal of the plurality of characters. At this time, when the user wants to delete a plurality of input characters, the user touches the backspace key on the keypad 120 using the input pen P.

When the user touches the backspace key using the input pen P and releases it, characters of one unit are deleted as in the prior art.

When the user touches the backspace key using the input pen P and then drags, the length of the path D dragged by the input pen P is measured. In this case, the display window 110 is designated as a block of the amount of characters corresponding to the length of the path (D) dragged from the position of the cursor (in FIG. 7). When the user releases the drag, the characters designated as blocks are deleted at the same time.

Using the above-described method, the user can delete a plurality of characters at once by selecting the backspace key and dragging.

Although the present invention has been described in connection with the above-described preferred embodiments, it will be readily apparent to those skilled in the art that various modifications and variations are possible without departing from the spirit and scope of the present invention, all such changes and modifications being attached It is obvious that it belongs to the scope of the claims.

1 is an exemplary view of a device to which a touch screen text input method is applied according to the present invention;

2 is a view showing an initial screen of a touch screen to which the first embodiment of the present invention is applied;

3 is a view showing a Hangul consonant button and a Hangul basic vowel popup window in the first embodiment;

4 is a view showing a Korean consonant button, a Korean basic vowel pop-up window, and a Korean composite vowel pop-up window in the first embodiment;

5 is a diagram illustrating an initial screen of a touch screen to which a second embodiment of the present invention is applied;

6 shows a button and a popup window in the second embodiment, and

7 is a view for explaining a third embodiment of the present invention.

<Description of Drawing>

100: touch screen

110: display unit

120, 120 ': keypad

130: Korean main collection popup window

140: Hangul compound collection popup window

150: popup window

D: drag line

P: input pen

Claims (9)

As a method of inputting characters on the touch screen of the terminal, Displaying a keypad including a Hangul consonant button on the touch screen and a display unit displaying an input character; Displaying a Hangul consonant corresponding to a touch signal on the display unit when a touch signal is detected by the Hangul consonant button of the keypad, and displaying a Hangul vowel pop-up window around the Hangul consonant button where a touch signal is detected on the touch screen; ; And When the drag signal is detected in the Hangul vowel pop-up window, displaying a character combining the Hangul consonant corresponding to the touch signal and the Hangul vowel corresponding to the drag signal on the display unit. The method of claim 1, The Hangul vowel popup window, Korean Basic Collection popup window to display the Korean Basic Collection; And And a Korean composite vowel pop-up window that displays a Korean composite vowel derived from the Korean basic vowel dragged from the Korean basic vowel pop-up window. The method of claim 2, The basic Korean pop-up window displays '표시', 'ㅑ', 'ㅓ', 'ㅕ', 'ㅗ', 'ㅛ', 'TT', 'ㅠ', 'ㅡ', 'ㅣ', The Hangul composite collection popup window, If dragged in the direction 'ㅏ' in the Hangul basic vowel pop-up window, 'ㅐ', 'ㅘ', 'ㅙ' is displayed, If dragged in the direction 'ㅑ' in the Hangul basic vowel pop-up window, '표시' is displayed, If dragged in the direction 'ㅓ' in the Hangul basic vowel pop-up window, 'ㅔ', 'ㅝ', 'ㅞ' is displayed, If dragged in the direction 'ㅕ' in the Hangul basic vowel pop-up window, '표시' is displayed, If dragged in the direction 'ㅗ' in the Hangul basic vowel pop-up window, 'ㅘ', 'ㅙ', 'ㅚ' is displayed, If dragged in the 'tt' direction in the Hangul basic vowel pop-up window, 'ㅝ', 'ㅞ', 'ㅟ' is displayed, and When dragging in the direction of '-' in the Hangul basic vowel pop-up window, 'ㅢ' is displayed. The method of claim 2, The basic Korean pop-up window displays 'ㅏ', 'ㅓ', 'ㅗ', 'TT', 'ㅡ', 'ㅣ', The Hangul composite collection popup window, When dragged in the direction 'ㅏ' in the Hangul basic vowel pop-up window, 'ㅐ', 'ㅑ', 'ㅒ', 'ㅘ', 'ㅙ' is displayed, When dragged in the direction 'ㅓ' in the Hangul basic vowel pop-up window, 'ㅔ', 'ㅕ', 'ㅖ', 'ㅝ', 'ㅞ' is displayed, When dragged in the direction 'ㅗ' in the Hangul basic vowel pop-up window, 'ㅘ', 'ㅙ', 'ㅚ', 'ㅛ' is displayed, If dragged in the 'tt' direction in the Hangul basic vowel pop-up window, 'ㅝ', 'ㅞ', 'ㅟ', 'ㅠ' is displayed, and When dragging in the direction of '-' in the Hangul basic vowel pop-up window, 'ㅢ' is displayed. The method of claim 1, And removing the Hangul vowel pop-up window when the touch signal or the drag signal is released. As a method of entering characters on the touch screen, Displaying a keypad including a plurality of buttons to which a plurality of characters are assigned on the touch screen, and a display unit to display input characters; Displaying a pop-up window including a plurality of characters assigned to the button on which the touch signal is detected, around the button on which the touch signal is detected, when a touch signal is detected on the button of the keypad; And And displaying a character corresponding to the drag signal on the display unit when a drag signal is detected in the pop-up window. The method of claim 6, And when the drag signal is not detected in the pop-up window, displaying, on the display unit, a representative character set in advance among a plurality of characters assigned to the button on which the touch signal is detected. . The method of claim 6, If the touch signal or the drag signal is released, the touch screen character input method further comprising the step of removing the pop-up window. 7. The method according to claim 1 or 6, The keypad further includes a backspace key, And when a drag signal starting from the backspace key of the keypad is detected, characters corresponding to the length of the drag signal starting from the backspace key are deleted from the position of the cursor on the display unit. Touch screen character input method.

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