KR20040019828A - Device and Method for Hangul Input of Mobile Phone - Google Patents

Abstract

PURPOSE: A device for inputting Korean alphabet of a mobile terminal is provided to once select an input key in which a corresponding consonant character is included, and to select a below consonant through a below consonant conversion key, in order to repeatedly select the same character input key, thereby preventing an input error rate. CONSTITUTION: A key input unit(10) sets basic consonants and basic vowels, sets basic below consonants, doubled below consonants, and another basic below consonants, and sets a below consonant conversion key and a below vowel conversion key. A character editor(30) recognizes the basic consonants and the below consonants inputted through the key input unit(10) in reference to the below consonant conversion key, recognizes the basic vowels and the below vowels in reference to the below vowel conversion key, and combines the recognized consonants with the vowels. A controller(20) displays the combined characters recognized by the character editor(30) on a display(40).

Description

Hangul input device and Hangul input method of mobile terminal {Device and Method for Hangul Input of Mobile Phone}

The present invention relates to a Hangul input device and a Hangul input method of a mobile terminal, and more particularly, to a Hangul input device and a Hangul input method to facilitate Hangul input and shorten the Hangul input time in a mobile terminal such as a mobile phone. will be.

Since a mobile terminal such as a cellular phone is made small in size so that a user can easily carry it, it is common that an input device is made small and a few input buttons are made in nature.

The input device of the mobile terminal is largely composed of a function button for selecting a function and a numeric button for inputting a telephone number, and the character input button and special characters for inputting Korean and English in parallel with the number. An input button is included. Unlike English, which has a one-dimensional arrangement, Hangul becomes a more complicated method than English because the initial, neutral, and Jongsung two-dimensionally combine to form a single character.

Accordingly, it has been required to develop a Hangul input device to simplify the Hangul input process in the mobile terminal. FIG. 1 illustrates a keyboard arrangement of a Hangul input device using Cheonjiin of Samsung Electronics, which has been used in the related art.

As shown in FIG. 1, the keyboard arrangement of the Hangul input device using Cheonjiin has three vowels (l, ·, ㅡ) arranged at the top, and the consonants (ㄱㅋ, ㄴ ,, ㅌ ,, ㅂ, ㅅ) at the bottom. And vowels) to arrange vowels or consonants by repeatedly selecting the vowel and consonant buttons.

However, the above-described Hangul input device requires excessive repetitive selection of input buttons when selecting vowels and consonants. For example, in the case of inputting Hangul "convenience" through the Cheonji Hangul input device, since the "Convenience" has the former finality and the latter initiality in one button, when one button is selected continuously, A typo called "fold" could occur. To prevent this, you have to wait for the spacing and enter "cho", then enter the latter's first character, or after entering the "space" and select the spacing button, select the "Lee" 's first. There was a problem that input of characters may occur.

On the other hand, Figure 2 shows the keyboard layout of the Easy (EZ) Hangul input device provided by LG Electronics among the Hangul input devices.

Easy Hangul input device shown in Figure 2 was able to reduce the typo generated by pressing one button continuously, consonants and consonants because the input is made by combining a special key for the stroke and a special key for the consonant There was a problem in that the input and vowel input became complicated. For example, if you input consonants and vowels of the "bone", consonants will be pressed once after the basic consonant (ㅁ) and 1 stroke special key and 1 old sound special key. The vowel had to be pressed, and after pressing the basic vowel twice, the stroke added special key had to be pressed once, resulting in a complicated input of consonants and vowels, which required a lot of input time.

The Korean input devices of the conventional mobile terminal have a problem in that the input method of the vowel is complicated, thereby reducing the speed and accuracy of the Korean input.

Accordingly, the present invention has been made to solve the problems occurring in the Hangul input device of the conventional mobile terminal, an object of the present invention is to reduce the typing error and shorten the input time when typing Hangul input in the mobile terminal quickly and accurately It is to provide a Hangul input device and Hangul input method to be made.

Hangul input device of the mobile terminal according to the present invention for achieving the above object is a basic consonant (ㄱ, ㄴ, ㄹ, ㅂ, ㅅ, ㅇ, ㅈ) and the basic vowel (ㅡ, ㅣ), respectively, to the input key And the default consonant (ㅋ, ㅌ, ,, ㅎ, ㅁ, ㅊ) and the old sound (아래, ㄸ, ㅃ, ㅆ, ㅉ) and the default vowel (아래) , ㅑ, ㅓ, ㅕ, ㅜ, ,, ㅠ, ㅘ, ㅝ) is set, the lower consonant switching key for switching the basic consonant and the lower consonant and the lower vowel switching for switching the basic vowel and the lower vowel A key input unit in which keys are respectively set to input keys; Recognizes the basic consonant and the lower consonant inputted through the key input unit with reference to the lower consonant switching key, recognizes the basic vowel and the lower vowel by referring to the lower vowel switching key, and combines the recognized consonants and vowels A text editing unit for combining; And a controller which controls the respective units and displays on the output unit the characters recognized and combined by the text editing unit.

If the character editing unit selects any one input key including a lower consonant among the basic consonants, and then selects a lower consonant switching key, the text editing unit recognizes the basic lower consonants among the lower consonants set in the corresponding input key and stores them in a buffer. If the consonant change key is selected twice, it is preferable to recognize the consonant under the sound set in the corresponding input key and store it in the buffer.

In addition, when the input key is selected after the lower vowel switching key is selected, the text editing unit recognizes the basic lower vowel set in the corresponding input key and stores it in the buffer.

On the other hand, the Korean input method of the mobile terminal according to the present invention for achieving the above object is the basic consonants (ㄱ, ㄴ, ㄷ, ㄹ, ㅂ, ㅅ, ㅇ, ㅈ) and the basic vowels (ㅡ, ㅣ) input key Respectively set in the main consonant (ㅋ, ㅌ, ,, ㅎ, ㅁ,)) and the lower sound (ㄲ, ㄸ, ㅃ, ㅆ, ㅉ) and the default bottom vowel (ㅏ, ㅑ, ㅓ, ㅕ, ㅗ, ㅜ, ㅠ, ㅘ, ㅝ) is set, the lower consonant switching key for switching the basic consonant and the lower consonant and the lower consonant for switching the basic vowel and the lower vowel A character code generation step of generating a character code signal according to a user's input key selection through a key input unit in which a vowel switching key is set to an input key; Recognize the basic consonant and the lower consonant of the character code signal generated through the character code generation step with reference to the lower consonant switching key, recognize the basic vowel and the lower vowel by referring to the lower vowel switching key, and buffer the recognized character Character recognition step to store in; And a character output step of combining the consonants and vowels recognized through the character recognition step, combining the characters, and displaying the combined characters on the output unit.

1 is a schematic diagram showing a keyboard layout using a cheonjiin of a conventional mobile terminal,

Figure 2 is a schematic diagram showing the keyboard layout using Easy (EZ) Hangul of the conventional mobile terminal,

3 is an overall block diagram of a mobile terminal according to an embodiment of the present invention;

4 is a keyboard layout diagram of a key input unit applied to a mobile terminal according to an embodiment of the present invention;

5 is a flowchart illustrating a process of inputting and outputting a character 'convenience' through a Hangul input device applied to a mobile terminal 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.

3 is a block diagram illustrating a configuration of a mobile terminal according to an embodiment of the present invention.

As shown in FIG. 3, the mobile terminal according to the present invention includes a key input unit 10, a control unit 20, a text editing unit 30, a display unit 40, a memory 50, a receiver 60, and a transmitter 70. ), A voice input / output unit 80 and the like.

The receiving unit 60 is a receiving device for receiving and demodulating a radio signal received by a mobile terminal, and the transmitting unit 70 receives signals such as text and voice input from an input device such as a key input unit 10 or a microphone. It is a transmitting device for processing and transmitting wirelessly, the voice input / output unit 80 receives a voice from a user to generate a voice signal and transmits the voice signal to the transmitter 70, the speaker and the like transmitted from the receiver 60 It is a device to output through.

A program for controlling the overall operation of the mobile terminal is registered in the memory 50, and the program registered in the memory 50 is processed by the controller 20 to control the operation of the mobile terminal.

The key input unit 10 is an input device that receives data related to numbers, letters, and function selection from a user, and the display unit 40 controls data input through the key input unit 10 or control of the control unit 20. A display device including an LCD (Liquid Crystal Display) for outputting data such as function, reception, guide data, and the like output to the outside.

Since the mobile terminal of the present invention has the above configuration and performs wireless communication with the mobile terminal of the other party, the detailed description thereof will be omitted.

The mobile terminal according to the present invention includes a text editing unit 30 for recognizing and combining text data input through the key input unit 10 according to a predetermined rule. The text editing unit 30 identifies the numeric and text data input from the key input unit 10 under the control of the control unit 20 and combines them to generate the completed text. The text editing process is performed by the display unit 40. ) Is displayed. The character editing unit 30 distinguishes and recognizes consonants and vowels of the character data transmitted from the key input unit 10, and combines them to complete the characters through the character combination unit 31 and the character combination unit 31. A buffer 32 is provided which stores the characters to be combined.

Hereinafter, the character editing unit 30 and the key input unit 10 of the mobile terminal according to the present invention having the above-described configuration will be described.

First, terms related to Korean characters recognized by the text editing unit 30 of the mobile terminal according to the present invention are defined as shown in Table 1 below.

In the present invention, as shown in Table 1, the consonants and vowels are separated, but the consonants and vowels with a high frequency of use are collected and the basic consonants (a, b, c, d, ㅂ, ㅅ, ㅇ) and the basic vowel (ㅡ, ㅣ) ), The basic lower consonants (ㅋ, ㅌ, ,, ㅎ, ㅁ, ㅁ), the lower consonants (ㄲ, ㄸ, ㅃ, ㅆ, ㅉ) and double lower consonants (ㄳ, ㄵ, ㄶ, ㄺ, ㄻ, ㄼ, ㄽ, ㄾ, ㅀ, ㅄ) was set separately. In addition to the basic vowels, the basic vowels (ㅏ, ㅑ, ㅘ, ㅓ, ㅕ. ㅝ, ㅗ. ㅛ, TT, ㅠ) and the double bottom collections (ㅐ, ㅒ, ㅔ, ㅖ, ㅚ, ㅟ, ㅢ, ㅙ) , ㅞ), the double lower consonant is composed of a basic consonant or a combination between the basic consonant and the basic lower consonant, and the double lower vowel is composed of a combination between the basic vowel or the basic lower vowel and the basic vowel.

4 illustrates an example of the Hangul input keyboard array set in the key input unit according to the characters defined in Table 1 above.

As shown in FIG. 4, the keyboard layout of the key input unit 10 according to an embodiment of the present invention includes a basic consonant (a, b, c, d, ㅂ, ㅅ, ㅇ, 8) with eight input keys' 1, 2,4,5,7,8, *, 0 ', respectively, and the default vowel (ㅡ, ㅣ) is set to input key' 3,6 '. Therefore, when the input key is pressed once during character input, the corresponding basic consonant and the basic vowel set in the input key are selected to generate a unique identification code signal according to the input character.

Among the basic consonants, 'b, 할당, ㅂ, ㅅ, ㅇ, ㅈ' are assigned to the bottom consonant and the bottom consonant of ㅋ ㄲ, ㅌ ㄸ, ㅃ, ㅎㅆ, ㅁ, ㅉ ㅉ respectively. The basic consonants and the basic vowel '하단, ㅑ, ㅘ, ㅓ, ㅕ, 에 at the bottom side of the basic consonant and the basic vowel' ㄱ, ㄴ, ㅡ, ㄷ, ㄹ, ㅣ, ㅂ, ㅅ, ㅇ, ㅈ , ㅗ, ㅛ, TT, ㅠ 'are set.

In addition, in the embodiment of the present invention to set the lower consonant conversion key for selecting the lower consonant and the lower consonant consonant in the '#' key as a method for reducing the error rate according to the repeated input of one input key when the consonant input, The bottom vowel toggle key to select a vowel is set to the number '9' button.

The input key '#' key for selecting the lower consonant (the basic lower consonant and the lower consonant) with respect to the basic consonant is a basic consonant of the corresponding input key when the input key to which the lower consonant belongs is selected once after being pressed. If not selected, the default consonant is selected, and if it is selected twice, the consonant under the sound of the corresponding input key is selected and entered. Therefore, in the present invention, a case in which the same selection key is pressed two or more times consecutively in order to select consonants does not occur, thereby preventing a typo.

In addition, the lower vowel '9' key for selecting the lower vowel with respect to the basic vowel, when the lower vowel switching key '9' key is first pressed, and the input key to which the lower vowel belongs is pressed Is selected and entered.

On the other hand, since the double consonants are composed of the basic consonants or between the basic consonants and the basic consonants, in order to input the double consonants, the corresponding basic consonants and the basic lower consonants are input as being sequentially selected. Since the double vowel is also composed of the base vowel or the combination of the base vowel and the main vowel, the double vowel is inputted when the main vowel or the main vowel and the main vowel are sequentially selected.

The following Table 2 is a chart showing the input sequence of the input keys to which all the consonants are input through the key input unit 10 consisting of the keyboard arrangement.

As shown in Table 2, the keyboard layout according to an embodiment of the present invention, when selecting a consonant, selects an input key including a corresponding consonant once, and according to whether the lower consonant and the lower consonant change the lower consonant key '# Select 'once or twice' to select the corresponding consonant. In addition, when a character to be input is a double consonant, the corresponding lower consonant and the basic consonant are sequentially selected so that the double consonant can be input.

The following Table 3 is a table showing an input sequence of input keys for inputting all vowels through the key input unit 10 including the keyboard arrangement.

As shown in Table 3, the keyboard layout according to the embodiment of the present invention is to select the input key set the corresponding basic vowel when selecting the basic vowel, and when the lower vowel input, the down vowel switching key '9' once After selecting, you can input the vowel by selecting the input key with the corresponding set below once. In addition, when inputting a double vowel, it is input by sequentially selecting the basic vowel or the basic vowel and the basic vowel.

The combination of characters according to the keyboard layout of the key input unit 10 is recognized by the character combination unit 31 of the character editing unit 30 in which the above rule is registered, and the characters are extracted and combined to complete the character. do.

Hereinafter, a process in which characters input through the key input unit 10 including the keyboard layout described above are combined by the character editing unit 30 to complete a word will be described.

In the Hangul input method using the Hangul input device consisting of the keyboard arrangement, a character code generation step of generating a character code signal according to a user's input key selection, and the code signal generated in the step is controlled by the character editing unit through the control unit 20. The character editing unit 30 is transmitted to the character editing unit 30 and the character recognition step of recognizing the code signal in accordance with the rules defined in Tables 1 to 3, and the combination of the characters recognized in the character recognition step, the display unit 40 In this case, the character combination unit 31 of the character editing unit 30 distinguishes whether the character code signal transmitted from the key input unit 10 is a consonant or a vowel. Recognize and store the recognized character in the buffer (32), and then the character that is continuously transmitted from the key input unit 10 is divided into consonants, vowels and stored in the buffer (32) By the combination of the character it is completed. Letter combination process of this character combiner 30 so that by being output through the display unit 40 can be, making sure the user facilitate this edit text.

This processing will be described using a more specific example.

5 is a flowchart illustrating a process of inputting a character 'convenience' through a key input unit of a mobile terminal according to an embodiment of the present invention and outputting it to a display unit.

In order to input a character "convenience" using the key input unit of the mobile terminal consisting of the keyboard arrangement of FIG. 4, the user first selects a character input through a normal menu button provided in the mobile terminal, and then matches the word. This is done by sequentially selecting the keyboard of the key input unit.

As shown in FIG. 4, in step S10, when the user selects' 7 'input key in which the basic lower consonant' T 'of the key input unit 10 is selected in order to select' '' of 'convenience', the key The input unit 10 generates a unique code signal according to the input key selection and transmits the unique code signal to the character editing unit 30 under the control of the control unit 20. The character combination unit 31 of the text editing unit 30 analyzes the code signal transmitted from the key input unit 10 to determine whether the code signal corresponds to the lower vowel switching key or the lower consonant switching key, and then the lower vowel or If it does not correspond to the lower consonant switching key, the basic character corresponding to the code signal is extracted and stored in the buffer 32 and output through the output unit 40. Accordingly, the character combination unit 31 extracts 'ㅂ', which is a basic character of '7', stores the buffer in the buffer 32, and then outputs the 'ㅂ' stored in the buffer 32 through the output unit 40. do.

Next, in step S20, when a '#' is input through the key input unit 10 to generate a code signal, the character combination unit 31 analyzes the code signal of the corresponding '#' and the code signal is a consonant switching key. After determining that is true, the previous character 'ㅂ' stored in the buffer 32 is converted to 't' corresponding to the basic lower consonant of '', and the converted 't' is output through the output unit 40. do.

Thereafter, in step S30, when the code signal is generated by inputting '9' through the key input unit 10, the character combination unit 31 analyzes the code signal of the corresponding '9' and the code signal is the lower vowel switching key. After determining that, the character input mode is switched to the lower collection input mode and waits. Therefore, the contents of the buffer 32 and the contents of the output unit 40 do not change.

Thereafter, in step S40, when the code signal is generated by inputting '5' through the key input unit 10, the character combination unit 31 receives the code signal of the corresponding '5' according to the lower collection input mode set in the previous process. After analyzing, 'ㅕ', which is the lower vowel of '5', is extracted and stored in the buffer 32 and then output through the output unit 40. Accordingly, the buffer 32 is sequentially stored with '' 'and' ㅕ ', and the output unit 40 is output together with the' '' and 'ㅕ' to output a character of 'flat'. When the lower vowel of '5' is extracted in the above process, the character combination unit 31 releases the lower vowel input mode which is the character input mode.

After that, in step S50, when the code signal is generated by inputting '2' through the key input unit 10, the character combination unit 31 analyzes the code signal of '2' and the corresponding code signal is the lower vowel or the lower consonant. Check whether it corresponds to the switch key, and if it is not applicable, extracts the basic character of '2' and stores it in the buffer 32 and outputs it through the output unit 40. Therefore, the buffer 32 sequentially stores ',', ',' and the output unit 40 outputs a combination character such as 'one'.

Thereafter, in step S60, when a code signal is generated by inputting '5' through the key input unit 10, the character combination unit 31 analyzes the code signal of '5' and the corresponding code signal is the lower vowel or the lower consonant. Check whether it corresponds to the switch key, and if it is not applicable, extracts the basic character of '5' 'd' and stores it in the buffer 32 and outputs it through the output unit 40. Accordingly, the buffer 32 sequentially stores 'ㅕ, ㅕ, ,, ㄹ', and the output unit 40 outputs a combination of these characters, '편 ㄹ'.

Thereafter, in step S70, when the code signal is generated by inputting '6' through the key input unit 10, the character combination unit 31 analyzes the code signal of 6 and the corresponding code signal is the lower vowel or lower consonant switching key. If it is not, and if it is not applicable, extract the basic character 'ㅣ' of '6' and store it in the buffer 32 and output it through the output unit 40. Therefore, the buffer 32 sequentially stores 'ㅍ, ㅕ, ,, ㄹ, ㅣ', and the output unit 40 outputs a combination of these characters, 'convenience'.

If the user who inputs all the characters desired to be input through the above process selects the input end key through the menu button in step S80, all of the above processes are terminated and the final combination character 'convenience' is output to the output unit 40. Will be printed.

Through the above process, the user can edit the character to be edited through the key input unit 10 through the mobile terminal according to the present invention and confirm through the output unit 40.

In an embodiment of the present invention, the key input unit of the mobile terminal is arranged as shown in FIG. 4, but it may be appropriately changed to another position. For example, the lower vowel switching key and the lower consonant switching key may be interchanged or may be changed to the position of another input key, and each consonant (basic consonant, basic lower consonant, consonant lower consonant, etc.) and the vowel ( Naturally, the position of the main vowel, the main sub vowel, etc.) can be interchanged with the position of another input key.

Accordingly, the present invention is not limited to the above-described embodiments, and various modifications and equivalents within the equivalent scope of the technical spirit of the present invention and the claims to be described below by those skilled in the art to which the present invention pertains. Of course, variations are possible.

As described above, the Hangul input device and the Hangul input method of the mobile terminal according to the present invention are divided into a basic consonant, a basic consonant, and a consonant under a consonant, and the vowel is divided into a basic vowel and a basic vowel, and the key input unit is set. By setting the lower consonant switching key for distinguishing the main consonant and the lower consonant and the lower vowel switching key for distinguishing the main vowel and the lower vowel from the key input unit, the consonant and The effect is that the vowels are clearly distinguished and the text can be edited.

That is, when one consonant character is input, the input that can be generated by repeatedly selecting the same character input key by selecting an input key including the consonant character only once and selecting the lower consonant through the lower consonant change key. By preventing the error rate, it is effective to input consonants quickly and accurately.

In addition, when the vowel input is to select the lower vowels, by first selecting the lower vowel switching key and then input the lower vowels, there is an effect that can be clearly separated from the consonant input to input the lower vowels.

Claims (8)

In the device for inputting Hangul in the mobile terminal, Basic consonants (ㄱ, ㄴ, ㄷ, ㄹ, ㅂ, ㅅ, ㅇ, ㅈ) and basic vowels (ㅡ, ㅣ) are set to the input keys, respectively, and the basic consonants (ㅋ) ㅌ, ,, ㅎ, ㅁ, ㅊ) and vowels (ㄲ, ㄸ, ㅃ, ㅆ, ㅉ) and basic vowels (ㅏ, ㅑ, ㅓ, ㅕ, ㅗ, ㅛ, ㅠ, ㅘ, ㅘ, ㅝ) A key input unit 10 having a lower consonant switching key for switching the basic consonant and a lower consonant, and a lower vowel switching key for switching the main vowel and the lower vowel to the input key; Recognizes the basic consonant and the lower consonant input through the key input unit 10 with reference to the consonant switching key below, and recognizes the main vowel and the lower vowel by referring to the lower vowel switching key, combining the recognized consonants and vowels A text editing unit 30 for combining the texts; And a control unit (20) for controlling the units and displaying the combined characters recognized and combined by the character editing unit (30) on the output unit (40). The method of claim 1, wherein the text editing unit 30 If any one of the basic consonants including the lower consonant is selected and the lower consonant switching key is selected once, the lower consonant set in the corresponding input key is recognized and stored in the buffer 32 and the lower consonants When the switching key is selected twice, the Hangul input device of a mobile terminal, which is recognized as a consonant under the sound set in the corresponding input key and stored in the buffer 32. The method of claim 1, wherein the text editing unit 30 When the input key is selected after the lower vowel switching key is selected, the Hangul input device of the mobile terminal, characterized in that it is recognized as the default lower vowel set in the input key and stored in the buffer (32). The method of claim 1, wherein the text editing unit 30 Between the basic consonants or the basic consonants and the basic consonants forming the double consonants (ㄳ, ㄵ, ㄶ, ㄺ, ㄻ, ㄼ, ㄾ, ㄿ, ㅀ, ㅄ) from the key input unit 10 are sequentially transmitted When the consonants are combined, the consonants are combined and stored in the buffer 32 as double consonants. When the main vowels forming the double vowels (ㅐ, ㅒ, ㅔ, ㅖ, ㅚ, ㅟ, ㅙ, ㅞ) or the basic vowels and the basic vowels are sequentially transmitted from the key input unit 10, the vowels Hangul input device of a mobile terminal, characterized in that for storing in the buffer 32 in a double vowel combination. In the method for inputting Hangul in the mobile terminal, Basic consonants (ㄱ, ㄴ, ㄷ, ㄹ, ㅂ, ㅅ, ㅇ, ㅈ) and basic vowels (ㅡ, ㅣ) are set to the input keys, respectively, and the basic consonants (ㅋ) ㅌ, ,, ㅎ, ㅁ, ㅊ) and vowels (ㄲ, ㄸ, ㅃ, ㅆ, ㅉ) and basic vowels (ㅏ, ㅑ, ㅓ, ㅕ, ㅗ, ㅛ, ㅠ, ㅘ, ㅘ, ㅝ) Is set, and the user's input key through the key input unit 10 is set to the lower consonant switching key for switching the basic consonant and the lower consonant and the lower vowel switching key for switching the main vowel and the lower vowel A character code generation step of generating a character code signal according to a selection; Recognize the basic consonant and the lower consonant of the character code signal generated through the character code generation step with reference to the lower consonant switching key, recognize the basic vowel and the lower vowel by referring to the lower vowel switching key, and buffer the recognized character A character recognition step of storing at 32; And a character output step of combining the consonants and vowels recognized through the character recognition step and combining the characters and displaying the combined characters on the output unit. The method of claim 5, wherein in the character recognition step After any one of the input key code signal including the lower consonants of the basic consonants is generated through the key input unit 10, When the lower consonant switching key is selected once and the code signal is generated, it is recognized as the basic lower consonant among the lower consonants set in the corresponding input key.When the lower consonant switching key is selected twice and the code signal is generated, it is set to the corresponding input key. Hangul input method of a mobile terminal, characterized in that recognized by the consonant under the sound. The method of claim 5, wherein in the character recognition step After the lower vowel switching key is selected through the key input unit 10 to generate the code signal, when the input key including the basic lower vowel is selected to generate the code signal, it is recognized as the default lower vowel set to the corresponding input key. Hangul input method of a mobile terminal characterized in that. The method of claim 5, wherein in the character recognition step Basic consonants or basic consonants and basic consonants that form a double consonant (ㄳ, ㄵ, ㄶ, ㄺ, ㄻ, ㄼ, ㄾ, ㄿ, ㅀ, ㅄ) from the key input unit 10 are sequentially selected When the code signal is generated, the consonant is recognized as a double consonant combined, From among the key input unit 10, the base vowels forming the double bottom vowels (ㅐ, ㅒ, ㅔ, ㅖ, ㅟ, ㅢ, ㅙ, ㅞ) or the basic bottom vowels and the basic vowels are sequentially selected to obtain a code signal. When it is generated, the Hangul input method of the mobile terminal, characterized in that recognized as a double vowel combined with the vowels.