KR19990039141A - Character input method in communication terminal - Google Patents

Abstract

The present invention relates to a communication terminal, in particular, when inputting a character (Korean, English and numbers) in the communication terminal, by arranging a keypad including a Korean / English conversion key and the completion key to control the character input, the user can quickly The present invention relates to a character input method in a communication terminal that enables easy and simple input of characters.

In the conventional communication terminal, there is a problem in that one cannot express Korean consonants or vowels one by one when inputting a character, and there is an inconvenience of inputting '*' key every time one character is input to distinguish between English and Korean.

According to the present invention, a Korean / English switching key and a completion key are configured on a keypad of a communication terminal, so that a consonant or a vowel can be expressed one by one using the corresponding completion key when inputting Korean characters. Thus, it is possible to provide a character input function of a communication terminal that enables simple and quick input of Korean or English.

Description

Character input method in communication terminal

The present invention relates to a communication terminal, in particular, when inputting a character (Korean, English and numbers) in the communication terminal, by arranging a keypad including a Korean / English conversion key and the completion key to control the character input, the user can quickly The present invention relates to a character input method in a communication terminal that enables easy and simple input of characters.

A keypad for inputting characters (Korean, English, and numbers) in a conventional communication terminal is configured by being composed of an English keyboard or a Korean keyboard, as shown in FIG. Key must be inputted and processed by English or Korean according to the number of dial types entered before '*' key is input. An example of inputting such a character is as follows.

First, if you want to enter the English letter "PATENT", enter the key in the order of "* 7 * 2 * 8 * 33 * 66 * 8 *" using the English keyboard of the keypad, enter the Korean "patent" If you want to input the key in the order of "* 6601 * 66668 *" using the Korean keyboard of the keypad, if you want to input the number "8184390", use the keypad in the order of "8184390". Just type That is, if the dial value of the keypad input by the user is one type, it is recognized in English. If the dial value is two or more types, it is recognized in Korean. If there is no input of the "*" key at the beginning of initial input, it is recognized as a number.

Therefore, in the conventional communication terminal, the consonants or vowels of the Korean characters cannot be expressed one by one, and when the user inputs the corresponding keys in the order of "* 1 * 7 * 33 *" to input "ㄱ ㅏ ㅂ", the corresponding communication terminal uses the user. Since the dial value of the keypad input by the one type is recognized as English “QPE”, a character other than the character to be input by the user is displayed on the liquid crystal display.

As described above, the conventional communication terminal has a problem in that it is not possible to express Korean consonants or vowels one by one when inputting a character. In order to distinguish English and Korean from numbers, each time a character is inputted, a "*" key must be input. There was discomfort.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object thereof is to include a Korean / English switch key in a cap of a communication terminal, and to set a function of a completion key in a "#" key, thereby allowing a user to To express consonants or vowels one by one when entering Korean using the corresponding completion key, and provide a function that enables simple and rapid input of Korean or English using the corresponding Korean / English conversion key and completion key. .

Features of the present invention for achieving the above object, the first process of placing the cursor on the first row of the liquid crystal display when the character input mode; A second process of determining a type of a key input by a user after the first process; If the key input in the second process is a completion key, it is determined whether there is a character immediately before the corresponding completion key input or not, and if there is an input character, the input for the character is terminated. A third process of filling the spaces located and moving the cursor to the next space, and then repeating the operation of the second process; A fourth process of determining whether the input mode is a Korean input mode or an English input mode if the key input in the second process is a Korean / English conversion key; A fifth process of switching to an English input mode if the Korean input mode is input, and a Korean input mode if the English input mode is input, and then repeatedly performing the operation of the second process; If the key input in the second process is a numeric key, it is determined whether the current character input mode is a Korean input mode or an English input mode. In the case of a Korean input mode, a Korean character corresponding to a key input by a user is combined, and an English input is performed. In the mode, a sixth process of displaying alphabetic characters or numbers corresponding to keys input by a user and displaying them on the liquid crystal display.

In the above, the user inputs a letter by arranging the consonants or vowels of the Korean alphabet and the English alphabet by a predetermined number to the numeric keys 1 to 0, and assigns the functions of the * key and the Korean / English conversion key and the completion key. Characterized by including the # key to perform.

1 is a view showing the arrangement of the keypad in the conventional communication terminal.

2 is a block diagram of a mobile phone according to an embodiment of the present invention;

3 is a view showing the arrangement of the keypad of FIG.

4 is a flowchart illustrating a character input operation in the mobile phone according to the embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

21: RF processing unit 22: modulation / demodulation unit

23: data compression unit 24: DTMF generation unit

25: codec 26: audio amplifier

27 liquid crystal display 28 memory unit

29 keypad 30 processor

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the mobile phone according to the present invention, as shown in FIG. 2, an RF processor 21, a modulator / demodulator 22, a data compressor 23, and a DTMF (Dual Tone Mixed Frequency) generator 24 are provided. ), A codec 25, an audio amplifier 26, a liquid crystal display 27, a memory 28, a keypad 29, a processor 30, a microphone MIC, and a speaker SP.

The RF processor 21 receives the DTMF signal and the call message applied through the antenna ANT, outputs them to the modulator / demodulator 22, and outputs the DTMF signal and the call message authorized from the modulator / demodulator 22. Send through (ANT). The modulator / demodulator 22 demodulates the DTMF signal and the call message output from the RF processor 21, outputs the demodulated signal to the data compressor 23, and receives the DTMF generator 24 and the data compressor 23 from the DTMF generator 24 and the data compressor 23. The DTMF signal processing and the call message are modulated and applied to the RF processor 21. The data compression unit 23 compresses PCM (Pulse Code Modulation) data applied from the codec 25 into ADPCM (Adaptive Differential PCM) data, and applies the data to the modulation / demodulation unit 22 or the processor 30. The ADPCM data applied from the demodulation section 22 or the memory section 28 is decompressed into PCM data and applied to the codec 25. The DTMF generator 24 generates a DTMF signal corresponding to a key input from the keypad 29 under the control of the processor 30, and applies the DTMF signal to the modulator / demodulator 22. The codec 25 converts an analog audio signal applied from the audio amplifier 26 into PCM data and applies it to the data compression unit 23, and converts the PCM data applied from the data compression unit 23 into an analog audio signal. It outputs to the audio amplifier 26 side. The audio amplifier 26 amplifies an analog voice signal applied from the codec 25 and outputs it through the speaker SP, and amplifies an analog voice signal applied from the microphone MIC and applies it to the codec 25. The liquid crystal display 27 displays the operation state of the phone and various kinds of information visually under the control of the processor 30. The memory unit 28 stores an operation program of the processor 30, and stores data applied from the processor 30 and a telephone number corresponding thereto. The keypad 29 has a plurality of keys for dialing a telephone number or for inputting and displaying various information. The processor 30 controls the overall operation of the telephone, which is applied from the data compression unit 23. The ADPCM data is converted into a predetermined data format and stored or updated in the memory unit 28, and the duplicated data is deleted in comparison with the data previously stored in the memory unit 28.

As shown in FIG. 3, the keypad 29 includes 10 numeric keys in which Korean consonants, vowels, and English alphabets are listed, Korean / English switching keys used for Korean or English input mode switching, and a '*' key. And after inputting a single Hangul Hangul consisting of every second, first + neutral or first + neutral + Jongseong, and consisting of a '#' key to function as a completion key to indicate that a letter is completed.

Character input mode switching of the present invention configured as described above is possible by input of the Korean / English switching key, it is possible to select the output character according to the number of times of key input of the keypad 29 1-0, for example, the 1 key If you input once, it will print out the repeated character in order of "ㄱ", if you enter 2 times, "B", if you enter 3 times, "ㄲ", if you enter 4 times, it will repeat "A" again. The characters are as follows:

First, the output characters of each key according to the number of key inputs in the Korean input mode are shown in Table 1.

TABLE 1

In the present invention, the output character of each key according to the number of times of key input in the Hangul input mode

Referring to the input method of the Hangul in the Hangul input mode in the telephone according to the present invention as follows.

First, the compound consonants used for compound vowels and final consonants are not displayed on the keypad 29. The compound consonants and compound vowels consist of a combination of terminal sounds and short vowels. For example, "ㅘ" consists of "ㅗ" and "ㅏ", and "ㅀ" consists of "ㄹ" and "ㅎ", each one consisting of Choseong, Chosung + Neutral, Chosung + Neutral + Jongseong After selecting a letter, press the completion key (#) to confirm that a letter has been completed. That is, if you want to enter the 'chicken pheasant', enter the corresponding key in the order of "26221 # 1119744 #".

Second, the output characters of each key according to the number of key inputs in the English input mode are shown in Table 2.

TABLE 2

Output character of each key according to the number of times of key input in English input mode in the present invention

Referring to the English and numeric input method in the English input mode in the telephone according to the present invention as follows.

First, when a specific timer is set in the English input mode and one alphabetic letter or number is selected, even when there is no input of the completion key, it is determined that the input of the character is completed when the timer is finished. In other words, the processor 30 memorizes the time when the key was last pressed, and if the user does not press any key for a predetermined time, it determines that the input character is completed. For example, in the case of "AA", if you press key 2 twice, it is not input as "AA". Instead, it enters "A" at the first input of key 2 and recognizes it as the same key at the second input. A "is replaced with" B "and the completion key or timer completion function is used. In other words, if you want to input "MOK12", enter the corresponding key in the order of "6 # 666551112222", or after inputting the first "6" after a predetermined time without inputting the "#" key, "6655111222 Enter the key in the order of ".

As described above, the present invention indicates the completion of input of one character by inputting the completion key in the Korean input mode, and the completion of input of one character by input of the tire completion function or the completion key in the English input mode. If you want to input MOK chicken 7 "First, enter the" Korean / English "conversion key, then enter the key in the order of" 6 # 66655 ", and then enter the" Korean / English "conversion key, Input the corresponding key in the order of "26221", and then enter the "Korean / English" switch key, and then enter the corresponding key in the order of "7777".

The text input operation in the mobile phone according to the embodiment of the present invention as described above is performed in the order shown in FIG.

First, when the character input mode is recognized by the processor 30 (step S41), the processor 30 positions the cursor on the first row of the liquid crystal display 27 (step S42), and manipulates the keypad 29 of the user. Is inputted (step S43). After step S43, the processor 30 determines whether the input key is a control key (complete key, Korean / English switch key) or a numeric key (step S44), and if the input key is a control key, whether or not the key is complete. It is judged whether or not it is a zero switching key (step S45). If the key input in step S45 is the completion key, the processor 30 senses the keypad 29 to determine whether there is a character entered immediately before the entry of the corresponding completion key (step S46), and if there is a character input by the user, After inputting the character on which the cursor of the liquid crystal display unit 27 is located and moving the cursor to the next column (step S47), the flow returns to step S43 to perform a repeating operation, and the character input by the user in step S46. If there is not, fill the blank in which the cursor of the liquid crystal display unit 27 is located, move the cursor to the next space (step S48), and then return to step S43 to repeat the operation. On the other hand, if the key input in step S45 is a Korean / English switching key, it is determined whether the current character input mode is a Korean input mode or an English input mode (step S49). After switching the input mode to English input mode (step S50), the process returns to step S43 to perform a repeating operation. If the current character input mode is English input mode, the corresponding character input mode is changed to Korean input mode (step S50). S51), the flow returns to step S43 to perform a repeat operation.

On the other hand, if the key input in step S43 is a numeric key, the processor 30 determines whether the current character input mode is a Korean input mode or an English input mode (step S52), and if the current character input mode is a Korean input mode. The Korean characters corresponding to the keys input by the user's keypad 29 are combined and displayed on the liquid crystal display 27 (step S53). If the current character input mode is the English input mode, the user operates the keypad 29. The English letter or number corresponding to the input key is displayed on the liquid crystal display 27 (step S54).

As described above, the present invention configures the Korean / English switching key and the completion key on the keypad of the communication terminal, so that a consonant or a vowel can be expressed one by one using the corresponding completion key when entering Korean characters, and the Korean / English switching key and completion By using the key it is possible to provide a character input function of the communication terminal that enables simple and quick input of Korean or English.

Claims (2)

Placing the cursor on the first row of the liquid crystal display when the character input mode is entered; A second process of determining a type of a key input by a user after the first process; If the key input in the second process is a completion key, it is determined whether there is a character immediately before the corresponding completion key input or not, and if there is an input character, the input for the character is terminated. A third process of filling the spaces located and moving the cursor to the next space, and then repeating the operation of the second process; A fourth process of determining whether the input mode is a Korean input mode or an English input mode if the key input in the second process is a Korean / English conversion key; A fifth process of switching to an English input mode if the Korean input mode is input, and a Korean input mode if the English input mode is input, and then repeatedly performing the operation of the second process; If the key input in the second process is a numeric key, it is determined whether the current character input mode is a Korean input mode or an English input mode. In the case of a Korean input mode, a Korean character corresponding to a key input by a user is combined, and an English input is performed. And a sixth step of displaying alphabetic characters or numbers corresponding to the keys input by the user and displaying them on the liquid crystal display. The method of claim 1, wherein a key for the user to input a character is arranged by assigning a predetermined number of Hangul consonants or vowels and the English alphabet to the numeric keys 1 to 0, and the * key and the Korean / English conversion key. Character input method in a communication terminal, characterized in that arranged including the # key performing the function of the completion key.