KR100688197B1 - Character input system for Mobile communication terminal - Google Patents

Abstract

The present invention relates to a character input system of a mobile communication terminal using a stroke shape, comprising: a character input means composed of one or more key buttons, and a character storing data relating to an input pattern according to a stroke shape of a character of the character input means; A shape database and a control unit that reads a stroke of a character according to a position at which each key button is operated, and determines a character to be input based on data of the character database. Characters can be entered easily without changing the character input mode, and the characters can be entered according to each language without switching the character input mode, and only five key buttons can be used to input characters according to the shape of the stroke. The number of times is reduced, the time required is shortened and user convenience is greatly improved. A.

Character Entry, Stroke, Function Keys, Numeric Keys

Description

Character input system for mobile communication terminal using stroke shape {Character input system for Mobile communication terminal}             

1 is a block diagram showing the configuration of a character input system of a mobile communication terminal according to the present invention;

2 is a view showing an embodiment of the character input means d of the character input system of the mobile communication terminal according to the present invention;

3 is a diagram showing an embodiment of a character stroke shape input according to a character input means of a character input system of a mobile communication terminal according to the present invention;

4 is a diagram showing an embodiment of Hangul consonant input of a character input system of a mobile communication terminal according to the present invention;

5 is a view showing an embodiment of the Hangul vowel input of the character input system of the mobile communication terminal according to the present invention;

6 is a view showing an embodiment of lowercase alphabetic input of a character input system of a mobile communication terminal according to the present invention;

7 is a view showing an embodiment of the uppercase alphabetic input of the character input system of the mobile communication terminal according to the present invention.

<Explanation of symbols on main parts of the drawings>

10: control unit 11: character input processing unit

12: display control unit 20: character input means

30: display part 40: character-shaped database

The present invention relates to a character input system of a mobile communication terminal using a stroke shape, and more particularly, to a character of a mobile communication terminal using a stroke shape for inputting a character by operating the key button according to the stroke shape of a character using five key buttons. It relates to a character input system.

In recent years, mobile communication terminals have been developing and introducing a text input system that enables users to input text more quickly and conveniently as the use frequency of text message services increases.

The character input system of a mobile communication terminal according to the related art allows a character to be input in accordance with the number of operations of the numeric key by associating a plurality of characters such as Korean consonants / vowels or alphabets with numeric keys of 0 to 9.

For example, when the numeric key 4 is operated once, the Hangul consonant 'ㄱ' is input, and when the second consecutive operation is performed, the 'ㅋ' is input. When the alphabet is input, the numeric key 4 is operated once, 'G', 'H' is input for 2 times operation and 'I' for 3 times operation. At this time, in order to input characters of other languages such as Korean / alphabet, the character input mode must be switched through a menu operation.

Another embodiment of a character input system of a mobile communication terminal according to the related art enables text input using a direction key of the mobile communication terminal.

Characters may be input in accordance with the direction of the direction key or characters may be input in the form of consonants or vowels using the numeric keys.

Here, in the character input system of the mobile communication terminal, the key buttons should be operated in order of '12369' in order to input the letter 'a', and the key buttons are operated five times for inputting one Korean consonant.

However, the character input system of the mobile communication terminal according to the conventional invention is used different character input system for each mobile communication terminal manufacturer, and the consonant / consonant / set to correspond to each key button according to the character input system of the mobile communication terminal There is a problem in that the character input is easy only when the position of the vowel or the alphabet is known.

In addition, the character input system of the mobile communication terminal may input a character by operating a key button depending on the shape of the character, but this is because the number of keys to be operated to input a single character is too large to operate a plurality of key buttons. There is a problem in the hassle according to, there is a problem that the operation time required by the character input is long.

The present invention has been made to solve the above-mentioned problems of the prior art, by allowing the character to be input by reading the stroke of the character through a minimum key button operation. It is an object of the present invention to provide a character input system of a mobile communication terminal using a stroke shape that enables character input according to a stroke shape without knowing a character input method of a key button.

According to the present invention for solving the above problems, a character input system of a mobile communication terminal using a stroke shape relates to a character input means composed of one or more key buttons, and an input pattern according to a stroke shape of a character of the character input means. And a controller configured to read a character stroke according to a position at which each key button is operated, and determine a character to be input based on the data of the character database. do.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. 1 is a block diagram showing the configuration of a character input system of a mobile communication terminal according to the present invention, Figure 2 is a diagram showing the character input means of the character input system of the mobile communication terminal according to the present invention, Figure 3 FIG. 3 is a diagram illustrating an exemplary embodiment of a character stroke input by the character input means of the character input system of the mobile communication terminal according to the present invention.

4 is a view showing an embodiment of the Hangul consonant input of the character input system of the mobile communication terminal according to the present invention, Figure 5 is an embodiment of the Hangul vowel input of the character input system of the mobile communication terminal according to the present invention 6 is a view showing an embodiment of the lowercase alphabetic input of the character input system of the mobile communication terminal according to the present invention, Figure 7 is an implementation of the uppercase alphabetic input of the character input system of the mobile communication terminal according to the present invention An example is shown.

As shown in FIGS. 1 and 2, a character input system of a mobile communication terminal using a stroke according to the present invention includes a character input means 20 having five key buttons, and a character input means 20. And a control unit 10 for reading a signal applied by the device and determining a character according to the character stroke.

In addition, the character input system of the mobile communication terminal has a display unit 30 in which the character determined by the control unit 10 is displayed, and data relating to the input pattern of the character input means 20 according to the stroke shape of the character. It is configured to include a character database 40 to be stored.

The character input means 20 is configured such that five key buttons are disposed at the upper left, upper right, middle, lower left, and lower right.

The character input means 20 operates a key button disposed at a specific position according to the input stroke shape, and a specific signal is applied to the controller 10 from each key button operated as described above.

At this time, the first embodiment of the character input means 20 is 5, including the function keys (B1 to B5) disposed in the upper left, upper right, lower left, lower right, the center as shown in FIG. It consists of four function keys.

In addition, in the second embodiment of the character input means 20, as shown in FIG. 2B, the number key '1' at the upper left of the number key buttons, the number key '3' at the upper right, and the lower left of the plurality of numeric key buttons. It consists of the number key '7', the number key '9' at the bottom right, and the number key '5' placed at the center.

At this time, the five function keys or the five numeric keys according to the first or second embodiment of the character input means 20 may correspond to each other according to the position where they are arranged.

That is, the upper left function key B1 according to the first embodiment of the character input means 20 may correspond to the number key '1' of the second embodiment, and the function key B2 on the upper right is In the second embodiment, the number key '3', the lower left function key B3 is the numeric key '7', the lower right function key B4 is the numeric key '9', and the center function keys B5 are It may correspond to the numeric key '5'.

Hereinafter, the five function keys according to the first embodiment of the character input means 20 for the character input system of the mobile communication terminal will be described based on the five numeric keys corresponding to the position of each key button. To indicate.

The character database 40 stores data about each key button of the character input means 20 and data about a character according to a signal applied by the character input means 20.

In addition, the character database 40 stores the data of the stroke of the character according to the operation sequence of the key button, and the priority data of the character recognition for the case where the input pattern is similar or the same.

That is, the character database 40 has a priority set for characters having the same or similar stroke shape as Korean consonant 'o', uppercase alphabet 'o', lowercase alphabet 'o', and the like. If the above-mentioned character is input in step 20), priority data is stored so that the character can be input according to a preset priority.

The controller 10 reads a signal applied according to a key button operation of the character input means 20 to receive a character and inputs a character determined by the character input processor 11. It is configured to include a display control unit 12 shown through the display unit 30.

The character input processing unit 11 reads the signal applied by the character input means 20 and reads data on the stroke shape of the character according to the key button operation from the character database 40 and inputs the character. Judge.

In addition, the character input processing unit 11 determines characters inputted according to priorities stored in the character database 40 when one or more characters having similar or identical stroke shapes exist.

In this case, the character input processing unit 11 is a character that is input the next character according to the priority of one or more characters for the similar or the same stroke shape when the key button to be finally operated according to the stroke shape is pressed for a predetermined time or more Determination is made to pass to the display control unit 12.

In addition, the character input processing unit 11 determines characters by giving a lower case priority to alphabet characters for characters having similar stroke shapes, and displays the left side of the first or second embodiment of the character input means 20. When a predetermined key button such as the upper function key B1 or the numeric key 1 is operated twice in succession, an input mode such as Korean alphabet, lowercase alphabet, or uppercase alphabet is switched.

At this time, even if the input mode is set as described above, the character input processing unit 11 determines a character regardless of the input mode to be switched when a specific character is input.

For example, the character input processing unit 11 determines characters according to the input mode when the strokes of the characters are similar, such as 'O' / 'O' / 'o' / '0' described above. When 'ㄱ' is input in the 'alphabet lowercase letter' mode, the character is judged according to the stroke of the letter regardless of the input mode.

In other words, the character input processing unit 11 determines characters through input patterns according to the stroke shape of each character without switching between Korean and English input through a separate menu operation. Can be switched.

Meanwhile, the character input processing unit 11 outputs the most similar character when the character input by the character input means 20 does not exist in the character database 40.

Further, the character input processing unit 11 has two specific key buttons, such as the lower left function key B3 or the numeric key 3, of the first and second embodiments, among the five key buttons of the character input means 20. In case of continuous operation, it is regarded as blank.

The display control unit 12 controls the driving of the display unit 30 so that the character determined by the character input processing unit 11 is displayed on the screen.

In addition, when there are a plurality of characters having similar stroke shapes as described above, the display control unit 12 displays the types of characters that can be input as a list.

Here, an embodiment of the character input of the character-shaped database 40 and the character input processing unit 11 of the character input system of the mobile communication terminal will be described in more detail with reference to FIGS. 3 to 7.

First, the character database 40, as shown in the following Table 1 and Table 2, for the input pattern and similar input pattern of the character input means 20 according to the stroke shape for the lowercase uppercase letters of Korean consonants, vowels, alphabets Save the data.

In this case, Tables 1 and 2 show five numeric keys of the second embodiment of the character input unit as an example, and the five numeric keys may correspond to respective function keys of the first embodiment of the character input unit. State that

Table 1 indicates the input patterns of the character input means for the consonants and vowels of Korean characters, and a plurality of input patterns such as '3179' and '13179' may be set, such as Korean consonants 'c'.

Hangul consonants Hangul Vowel A 137 ㅏ 175 N 179 ㅑ 1755 C 3179/13179 ㅓ 539 D 13913179/13979179 ㅕ 5539 M 179139/1713979 ㅗ 579 ㅂ 179539/1739579 ㅛ 5579 S 3759 TT 135 ㅇ 17931 ㅠ 1355 ㅈ 13759 ㅡ 13/79 H 513759 ㅣ 17/39 Lol 1375 ㅐ 17539 ㅌ 131795/31795 ㅒ 175539 ㅍ 135579 ㅔ 53939 ㅎ 5517931 ㅖ 553939 ㄲ 137137 ㄸ 1317913179 ㅃ 17953917539 ㅆ 37593759 ㅉ 1375913759

In the case of the Korean consonant 'ㅈ', the input pattern can be set as above by the combination of 'ㅡ' and 'ㅅ'. In addition, the characters 'Z', 'ㅋ' and 'ㅎ' are also combined with the input pattern as above. It can be set, the same can be applied to Hangul double consonants.

In the case of the Korean vowel 'ㅡ' or 'l', more than one input pattern is possible and can be used in parallel.

On the other hand, in the case of the Korean vowel '문자', it is possible to characterize the input pattern of '17539' as described above by combining the vowel 'ㅏ' and 'ㅣ', and since there are many input patterns of the vowel 'ㅣ' '17517' is also possible. This may also be applied to the Hangul vowel 'ㅒ', 'ㅔ', 'ㅖ' and the like.

On the other hand, in the case of the lowercase alphabet letters and uppercase letters, as shown in Table 3, the input pattern for the character recognition is set and stored according to the stroke shape of the character, it is possible to set a plurality of input patterns for one character.

At this time, the '-' notation displayed on the capital letter of the alphabet is a notation indicating a case where the last key button is pressed for a predetermined time.

small letter capital letter a 57959 A 37395 b 17759 B 1713597 c 359 C 3179 d 57939/39579 D 171397 e 53179 E 131795 f 5137 F 13175 g 3153975 G 317959 h 1759 H 17539 i 5759 I 13579 j 5397 J 13397 k 175359 K 175359 / 175359- l 75359 L 179 / 179- m 71539 M 17153539 n 17139 N 171939 o 579 O 31793 p 171351 P 171351 / 171351- q 393153 Q 317959 r 1713 R 171359 s 31597 S 13597 / 13597- t 1359 T 135 u 17939 U 1793 v 153 V 173/193 w 17593 W 17593 / 17593- x 157359 X 1937 y 15357 Y 15355 z 1379/13579 Z 1379- / 13579-

In addition, capital letters and small letters can be switched by the above-described input mode switch key button.

Here, the character input system of the mobile communication terminal determines the character through the basic stroke shape of the character, as shown in FIG. 3 illustrates the first embodiment of the character input means as an example, and may be similarly applied to the second embodiment.

As shown in FIG. 3A or 3B, horizontal strokes may be input according to key buttons B1 and B2 or B3 and B4 operations, which may be used for horizontal strokes of English consonants or horizontal strokes of alphabets such as 'L' in addition to 'ㅡ' of Korean vowels. Can be.

In addition, as shown in FIG. 3C or 3D, vertical stroke input is possible by operating the key buttons B1 and B3 or B2 and B4. As shown in FIGS. 3E to 3G, a diagonal bevel may be input. Here, the short stroke or the point may be input through the manipulation of the center key button B5.

As shown in FIG. 4, the Hangul consonants may be input according to the basic stroke shown in FIG. 3. 4 and 5 to 7 to be described below are shown by using the five numeric keys (1, 3, 5, 7, 9) of the second embodiment of the character input means 20 as an example, the five numeric keys Denotes that each of the function keys B1 to B5 of the first embodiment of the character input means 20 can correspond.

As shown in Figure 4a, the Hangul consonant 'a' can be input by combining the basic stroke of '-' and '/', wherein the key button to be operated is '137' or '1357'.

The Korean consonants 'b' and 'c' are input as '179' and '3179' as shown in FIG. 4b or 4c. In the case of the consonant 'ㄹ', as in FIGS. 4d1 and 4d, the 'bs' and 'c' By combination of the two can be input by key button operation, such as '1393179' or '13913179'.

As shown in FIG. 5, the Hangul vowel is input according to a horizontal stroke, a vertical stroke, a point, or a bleeding on the basis of the basic stroke shape of FIG. 3. 5A through 5E are exemplary embodiments of inputting the Hangul vowel 'ㅏ', 'ㅓ', 'ㅗ', 'TT', and 'ㅐ'.

6 and 7 are views showing the operation pattern of the character input means 20 according to the stroke of the alphabet, when the same key button is operated a number of times in one character to 1, 2 denoted as original characters Follow the procedure in order.

At this time, since the order of operation is set according to the order of the corresponding letters, any user who can directly mark letters can easily operate.

6A to 6E are exemplary embodiments of inputting lowercase letters 'a' through 'e', and FIGS. 7A through 7E illustrate exemplary input of uppercase letters 'A' through 'E'.

On the other hand, in the case of a number, like the Hangul or alphabet, it may be input according to the stroke shape of the character.

The character input system of the mobile communication terminal according to the present invention may be applied to a language capable of distinguishing characters according to a stroke shape in addition to the Korean alphabet numbers as described above.

Therefore, the character input system of the mobile communication terminal according to the present invention is easy to input characters even without knowing the input method for the characters corresponding to the key buttons, and inputs the characters according to the shape of the characters with only a few key buttons. As a result, the character input time can be shortened.

As described above, the character input system of the mobile communication terminal using the stroke shape according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings disclosed herein, and the technical concept is protected. It can be applied within the range.

The character input system of the mobile communication terminal using the stroke shape according to the present invention configured as described above is easy for anyone who can mark the character without knowing the character input method for the character corresponding to the key button. It is possible to input the characters according to each language without switching the character input mode, and it is possible to input characters according to the stroke shape with only five key buttons, so the number of key buttons operated for character input is reduced. The time required is shortened and user convenience is greatly improved.

Claims (9)

Character input means including a key button disposed at the center and at least five key buttons respectively disposed at an upper left side, an upper right side, a lower left side, and a lower right side of the key button disposed at the center; A character-shaped database in which data relating to an input pattern according to a character stroke of the character input means is stored; In response to the position of each key button to be operated, the character of the character is input by reading the stroke shape of the character, and when there is one or more characters having the same input pattern because the stroke shape is similar or the same, input according to the set priority Character input system of a mobile communication terminal using a stroke characterized in that it comprises a control unit for determining the character. The method of claim 1, The character input means is a character input system of a mobile communication terminal using a stroke shape, characterized in that the five function keys are respectively disposed in the center, upper left, upper right, lower left, lower right. The method of claim 1, The character input means is a character input system of a mobile communication terminal using a stroke, characterized in that five numeric keys of 1, 3, 5, 7, 9 of the numeric keys. The method according to any one of claims 1 to 3, The control unit includes a character input processing unit for determining an input character based on the data stored in the character-shaped database; And a display control unit for displaying a character determined by the character input processing unit on a screen. The method of claim 4, wherein The character input processing unit may determine the character to be input by giving priority to the character corresponding to the currently set character input mode when one or more characters having the same input pattern are identical or identical in stroke shape. Character input system of mobile communication terminal. The method of claim 4, wherein And the character input processing unit determines that the next character according to the priority is the character to be input when the last key button is pressed for a predetermined time or longer. The method of claim 4, wherein The character input processing unit character input system of the mobile communication terminal using a stroke shape, characterized in that the character input mode including the Hangul mode, English mode, numeric mode is switched when a specific key button is operated twice. The method of claim 4, wherein The display control unit character input system of a mobile communication terminal using a stroke shape, characterized in that a plurality of characters for the same input pattern is displayed as a list on the screen, if there is more than one character having the same input pattern. The method of claim 1, The character database stores the key button information of the character input means, data on the stroke shape of the character according to the operation sequence of the key button, and stores priority of the same or similar stroke-shaped characters. Character input system of a mobile communication terminal using a stroke.

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