KR20020007852A - Text input method of portable phone and portable phone using thereof - Google Patents

Abstract

PURPOSE: A method for inputting a character of a cellular phone and a cellular phone using the same are provided to quickly input characters by simply selecting the inputs of the characters assigned in each key by the operation of a shift key. CONSTITUTION: If it is a character input mode, it is judged whether the first shift key(K1) is inputted(401). If the first shift key(K1) is inputted, a character code corresponding to a character which corresponds to the first series of a numerical key inputted by a user is inputted and the inputted character code is stored in a temporal butter(402,403). If the second shift key(K2) is inputted, a character code corresponding to a character which corresponds to the second series of a numerical key inputted by the user is inputted and the inputted character code is stored in the temporal butter(404,405). If the third shift key(K3) is inputted, a character code corresponding to a character which corresponds to the third series of a numerical key inputted by the user is inputted and the inputted character code is stored in the temporal butter(406,407). The character codes stored in the temporal buffer are combined, and one character is formed(408).

Description

Text input method of mobile phone and mobile phone using same

The present invention relates to a text input method using a mobile phone and a mobile phone using the same, and more particularly, to a method for quickly inputting a text using a shift key and a mobile phone using the same.

In the early mobile phones, text input was mostly for displaying a name of a mobile phone or a phone number. However, with the rapid spread of mobile phones and the diversification of its additional functions, mobile phones are capable of not only simple phone calls but also information search and text messages.

However, the conventional method of inputting a character in a mobile phone or a telephone is inconvenient because it requires a plurality of key operations in one character input in order to input Korean or English characters having many phonemes on a small number board. Conventional text input method to improve this problem was to assign the phoneme to 1 ~ 0 numbers of the standard phone keypad, and use the "*" key and "#" key as a shift function key, as shown in FIG. .

However, when using the * key and the # key as a shift key in this way was inconvenient to use. For example, there is a problem in that the operation is inconvenient when trying to simultaneously press the seventh key and * to input the "TT" phoneme.

An object of the present invention is to provide a text input method of a mobile phone and a mobile phone using the same, by which a separate shift key can be easily input in order to solve the above problems.

1 is a view illustrating a conventional method for inputting text using a keypad of a telephone;

2 is a view showing the appearance of a mobile phone that can input characters according to the present invention;

3 is a block diagram showing the configuration of a mobile phone capable of text input according to the present invention;

4 is a flowchart illustrating a procedure for inputting a character according to the present invention.

* Explanation of symbols for main parts of the drawings

200: mobile phone 210: key input unit

302: RF unit 304: variation demodulation unit

306: Audio Processor 308: Speaker

310: microphone 314: memory

316: micom 318: LCD display

320: buzzer K1, K2, K3: shift key

In order to achieve the above object, the method of the present invention, in the character input method using a numeric key of the mobile phone, the step of assigning a plurality of characters to each of the numeric keys in sequence; and shift key and number in the character input mode And when the keys are pressed simultaneously, inputting a character code selected by a shift key among a plurality of characters assigned to the corresponding numeric keys.

In order to achieve the above object, a mobile phone of the present invention comprises a shift key for selecting characters assigned to the numeric keypad, including a conventional mobile phone; When the shift key and the numeric key is input in the character input mode, it characterized in that it comprises a microcomputer for inputting the character code selected by the shift key among the characters assigned to the number.

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

2 is a view illustrating an appearance of a mobile phone capable of inputting text according to the present invention, and includes a folding mobile phone equipped with a key input unit 210 and three shift keys K1, K2, and K3 according to the present invention. 200 is shown. Referring to FIG. 2, the key input unit of the mobile phone to which the present invention is applied includes a number key of 1 to 0, and * and # keys, and the Hangul alphabet is assigned to each key as shown in Table 1 below.

Numeric keys Hangul English One ㄱ ㅋ ㅏ . Q Z 2 ㄴ ㅌ ㅑ A B C 3 ㄷ ㅓ ㅓ D E F 4 ㄹ ㅎ ㅕ G H I 5 ㅁ ㄲ ㅗ J K L 6 ㅂ ㄸ ㅛ M N O 7 ㅅ ㅃ ㅜ P R S 8 ㅇ ㅆ ㅠ T U V 9 ㅈ ㅡ W X Y 0 ㅣ ㅣ oper

According to the present invention, when the number key is pressed while the first shift key K1 is pressed, the Hangul alphabet (a, b, c, d, ㅁ, ㅂ, ㅅ, ㅇ, ㅈ) or the English letter (. , A, D, G, J, M, P, T, W) are input, and when the second shift key (K2) is pressed, pressing a numeric key enters the Hangul alphabet or the English letter of the second column. If the numeric key is pressed while K3 is pressed, the Hangul alphabet or the English letter of the third column is input.

In the embodiment of the present invention, three shift keys K1, K2, and K3 attached to the side of the mobile phone are used, but it is more preferable to use only two shift keys with the first column as the default input in the text input mode. In addition, the two shift keys may use the volume up / down keys in the character input mode without using separate keys.

3 is a block diagram showing the configuration of a mobile phone capable of text input according to the present invention, wherein the mobile phone includes an RF unit 302, a modulation and demodulation unit 304, an audio processor 306, a speaker 308, and a microphone 310. , A keypad 312, a memory 314, a microcomputer 316, an LCD display unit 318, a buzzer 320, and the like. In FIG. 2, the antenna, the RF unit 302, and the demodulation unit 304 are transmission / reception means for wirelessly transmitting and receiving voice and data, and the audio processor 306 converts the demodulated digital voice data into an analog speaker 308. In addition to the output as well as converts the analog voice input through the microphone 310 to digital.

The keypad 312 is for dialing a telephone number and inputting characters in a character input mode. The keypad (0-9) and the * and # buttons on which characters are displayed, a call button for selecting various functions, a menu button, on / off button, search button, etc. Further, according to the present invention, first to third shift keys K1, K2, and K3 for selecting characters input in the character input mode are separately provided.

The memory 314 may store various data values as a nonvolatile memory such as a flash memory or an EEPROM, and the LCD display 318 may display a menu screen and also display received message information, input information, and storage information. In particular, the LCD display unit 318 may further include an LED for displaying different colors, and may indicate the input mode in color according to the shift keys K1, K2, and K3 pressed, and display the input mode in text on the LCD. It can also be represented as For example, when the first shift key K1 is input, the red LED of the LCD display unit 318 may light up or display the letter “first mode” on the LCD. When the second shift key K2 is input, the LCD may display the LCD. The yellow LED of the display unit 318 may light up or display a letter of "second mode." If the third shift key K3 is input, the green LED of the LCD display 318 may light up or display a "third mode". You can also display text.

The microcomputer 316 controls the overall operation of the mobile phone by executing a program stored in an internal memory or an external memory when the power is turned on according to the power button of the keypad 312. That is, if a call button is input following the phone number, a call is set to the corresponding phone number, and if a menu button is input, the corresponding menu screen is displayed through the LCD display unit 318. Then, the operating environment of the mobile phone is set according to the selection of the menu item and the input of the set value, and when a call is detected from the counterpart, the buzzer 320 is driven to sound the buzzer. In addition, the microcomputer 316 controls the LCD display unit 318 to display a display for identifying the shift keys K1, K2, and K3 pressed in the character input mode, and inputs a corresponding phoneme according to the shift key when the numeric key is pressed. .

4 is a flowchart illustrating a procedure for inputting a character according to the present invention.

Referring to FIG. 4, it is determined whether or not the character input mode is performed, and another function is performed. In the character input mode, it is determined whether the first shift key K1 is input (401). When the first shift key is input, the character code corresponding to the character corresponding to the first column of the numeric key input by the user is input and stored in the temporary buffer (402, 403). If the second shift key K2 is input, the user The character code corresponding to the character corresponding to the second column of the numeric key input is inputted and stored in the temporary buffer (404 and 405). When the third shift key K3 is input, the character code corresponding to the character corresponding to the third column of the numeric key input by the user is input and stored in the temporary buffer (406, 407), and then the character codes stored in the temporary buffer are combined. To form one character (408).

Subsequently, after determining whether the character is completed, if the character is not completed, the next character is inputted. If the character is completed after repeating the above process, the buffer is cleared and the next character is repeatedly inputted (409). If there are no more characters to input, the input mode is canceled and then terminated (410, 411).

As described above, according to the present invention, when inputting a plurality of characters (such as the Korean alphabet or the English alphabet) using the limited numeric keys 1 to 0, operation of the shift key is performed. By making it easy to select, you can not only quickly input characters, but also can easily operate the shift key with the familiar two-hand operation.

Claims (5)

In the text input method using the numeric keys of the mobile phone, Assigning a plurality of characters in sequence to each of said numeric keys; and And when a shift key and a numeric key are pressed simultaneously in a character input mode, inputting a character code selected by a shift key among a plurality of characters assigned to the corresponding numeric key. The method of claim 1, wherein the character input method is When N characters are assigned to the one numeric key, N shift keys are used or N-1 shift keys and defaults are used in a character input mode. In a typical mobile phone having a numeric keypad, A shift key for selecting characters assigned to the numeric keypad; And a microcomputer for inputting a character code selected by the shift key among the characters assigned to the number when the shift key and the numeric key are input in the character input mode. The display apparatus of claim 3, wherein the mobile phone has at least two shift keys, and the microcomputer provides a control signal for distinguishing a pressed shift key, and display means for distinguishing a character string input according to the control signal of the microcomputer. Mobile phone characterized in that it further comprises. The mobile phone according to claim 3 or 4, wherein the shift key is implemented as an up / down key of a mobile phone in a text input mode.