KR20060024854A - Method of special character input by using volume up/down key in wireless terminal - Google Patents

Abstract

The present invention relates to a method for inputting a special character using the volume up / down key when creating a text message on a mobile communication terminal. More specifically, when a user presses a numeric key while pressing the volume up / down key, The mobile communication terminal relates to a method for recognizing a special character assigned to a corresponding numeric key. To this end, the present invention converts the use of the volume up / down key of the mobile communication terminal to the use of the special character recognition key when entering the text message creation mode, and if there is a predetermined numeric key input from the user, the volume up. Determining whether the / down key is pressed, and if it is in the pressed state, recognizes the special character assigned to the numeric key and displays it on the display window of the mobile communication terminal, and if the interrupt message termination mode termination occurs, the volume up / down key Restoring the purpose of returning to the original purpose of volume up / down use and ending the text message creation mode.

Mobile terminal, mobile phone, SMS, text message, special character, volume up / down key

Description

How to input special characters by using volume up / down key in mobile communication terminal {METHOD OF SPECIAL CHARACTER INPUT BY USING VOLUME UP / DOWN KEY IN WIRELESS TERMINAL}             

1A and 1B are diagrams of a display window of a mobile communication terminal showing a process of inputting a special character in the related art.

2 is a block diagram illustrating an internal configuration of a mobile communication terminal according to the present invention.

3 is a perspective view illustrating a special character assigned to a numeric key of a mobile communication terminal according to the present invention.

4 is a flowchart illustrating a process of inputting a special character according to the present invention.

The present invention relates to a method for inputting a special character using the volume up / down key when creating a text message on a mobile communication terminal. More specifically, when a user presses a numeric key while pressing the volume up / down key, The mobile communication terminal relates to a method for recognizing a special character assigned to a corresponding numeric key.

A mobile communication terminal (hereinafter referred to as a mobile communication terminal means all wireless terminals capable of entering text) refers to a base station (BTS) and a terminal unique number call message and voice through a wireless communication path, pilot, synchronization, paging, and a call channel. Provides a voice call with the other terminal through data transmission and reception.

Furthermore, in recent years, short message service (SMS) and wireless internet services have been provided, and in particular, short message service is not only used as a simple means of communication with each other but also gradually used as a means of marketing and customer management. It's happening.

In order to use the short message service, a user needs to input a character required by the user. In order to make the user's character input more convenient, the mobile communication terminal of each manufacturer provides various character input methods. For example, "Cheonjiin" is a combination of three vowels: "ㅣ (이)", "ㅇ (下 아)", "ㅡ" in the case of Samsung terminals, and double consonants in the case of LG terminals. There is an "ez method".

However, the input methods relate to input methods of Korean consonants and vowels, and when inputting special characters, it is inconvenient to switch the input mode from the Korean input mode to the special character input mode and then input the special characters.

1A and 1B illustrating a display window of a mobile communication terminal, the conventional special character input method is described in detail. For example, "Good morning ~~ !!" In order to create a short message, a user inputs a desired Hangul according to his / her terminal Hangul input method in the Hangul input mode display window of FIG. 1A and converts it to the special character input mode shown in FIG. 1B. It was inconvenient to find and input special characters.

That is, after the Korean input of "good morning" in the Hangul input mode of Figure 1a the special character "~~ !!" For input, move the selection cursor to the special character field 102 and press the OK key to change to the special character input mode display window of FIG. 1B. After that, select the desired special characters '~' and then '!' From among the various special characters shown in the special character field 104 to select "Good morning ~~ !!" To complete the text message.

Therefore, as in the above bar, the conventional special character input method is to input a separate key to input special characters such as '!', '~', '@', '$', '%', Etc. during consonant and vowel input. After pressing to convert from Korean input mode to special character input mode, there was an inconvenience to find and input special characters.

In particular, when a short message containing special characters is urgently needed, or when it is necessary to input Korean characters and special characters alternately, users must input characters by switching between input modes. There was a problem with typing.

The present invention has been made to solve the above problems, when the character input is made on the mobile communication terminal using the volume up / down keys protruding to the left and right of the mobile communication terminal, even in the Hangul input mode state of the special characters simply Its purpose is to provide a way to enter. In addition, by placing a special character on the key of the mobile communication terminal it is easy to find the desired special character to provide a simple special character input method.

In order to achieve the above object, the present invention provides a method for converting a volume up / down key of a mobile communication terminal into a use of a special character recognition key when entering a text message writing mode, and inputting a predetermined numeric key from a user. Determining whether the volume up / down key is in a pressed state, if it is in a pressed state, recognizing a special character assigned to the corresponding numeric key and displaying it on a display window of a mobile communication terminal; Restoring the purpose of the volume up / down key to its original purpose of volume up / down and providing a method of inputting special characters, the method comprising ending the text message writing mode.

Hereinafter, the most preferred embodiments of the present invention will be described with reference to the accompanying drawings. It should be noted that the same components in the figures represent the same numerals wherever possible.

In the following description, only detailed descriptions such as key assignment of special characters and methods for inputting special characters are shown to provide a more general understanding of the present invention, and it is understood that the present invention may be easily implemented by modifications thereof. Will be evident to those of ordinary knowledge.

2 is a diagram illustrating a configuration of a mobile communication terminal according to an embodiment of the present invention. Referring to FIG. 2, the RF unit 202 performs a wireless communication function of the mobile communication terminal. The RF unit 202 includes an RF transmitter for upconverting and amplifying a frequency of a transmitted signal, and an RF receiver for low noise amplifying and downconverting a received signal. Modem 204 includes a transmitter for encoding and modulating the transmitted signal, a receiver for demodulating and decoding the received signal, and the like.

The audio 206 may be configured as a codec, and the codec includes a data codec for processing packet data and an audio codec for processing an audio signal such as voice. The audio 206 converts and reproduces the digital audio signal received by the modem 204 through the audio codec, or converts the transmitted analog audio signal generated from the microphone into a digital audio signal through the audio codec. Perform the function of sending to.

The memory 208 may include program memory and data memories. The program memory has a built-in OS for driving a mobile communication terminal and a program for controlling the operation of each component. Accordingly, according to the present invention, when the numeric key 302 is pressed while the volume up / down keys 300a and 300b are pressed, an algorithm for operating as a special character recognition key enters the program memory.                     

In the standby mode and the call mode, the volume up / down key input unit 210 receives the control of the call volume and the key volume from the user and transfers the control to the controller 216. However, in the text message preparation mode, the volume up / down key input unit recognizes the special characters and transfers them to the controller. .

That is, when the user presses the volume up / down keys 300a and 300b in the text message writing mode, the volume up / down key input unit 210 transmits that the volume up / down keys 300a and 300b are pressed to the controller 216 through the numeric key 302. Make sure that the input text is a special character. 3 shows the volume up / down keys 300a and 300b which are external appearances of the volume up / down key input unit 210.

The numeric key input unit 212 serves as a keypad of the mobile communication terminal to receive a number, a Korean alphabet, and an alphabet assigned to the numeric key 302. In addition, the present invention is characterized in that each numeric key 302 is displayed on the numeric key 302 together with the conventional numerals, the Korean alphabet, the alphabet as well as special characters. That is, as shown in FIG. 3, special characters frequently used for each numeric key 302 are assigned and displayed.

For example, the special characters!, @ Are assigned to number 1 key 302a, and the? And $ special characters are assigned to number 2 key 302b. Hereinafter, Table 1 shows an embodiment of assigning a special character assigned to each numeric key 302 shown in FIG.

Numeric keys Special Characters One ! @ 2 ? $ 3 ,% 4 "& 5 ~ ^ 6 () 7 [] 8 ?? ?? 9 +- 0 ; .

Meanwhile, although two special characters are assigned to each numeric key 302 for convenience of description, it will be apparent that three or more special characters may be assigned to each numeric key 302 in some cases. On the other hand, due to the limitation of the number of numeric keys on the mobile communication terminal, the special special characters that cannot be assigned to each numeric key 302 are selected from various special characters displayed on the display window after being converted to the special character input mode in a conventional manner. Can be entered.

The display unit 214 is a display window for displaying an image of a mobile communication terminal. When a text message is written, an input alphabet, an alphabet, and a special character are displayed.

The control unit 216 performs a function of controlling each component. In particular, in the present invention, when the user inputs the numeric keys 302 while pressing the volume up / down keys 300a and 300b in the text message preparation mode, the control unit 216 corresponds to the number instead of the input number. Control to recognize special characters assigned to numeric keys.

4 is a flowchart illustrating a process of inputting a special character according to the present invention.

In step 402, the mobile communication terminal converts the use of the volume up / down keys 300a and 300b on the side of the mobile communication terminal to a special character recognition key according to a user's request. Has That is, when the mobile communication terminal is in standby mode or call mode, the volume up / down keys 300a and 300b are used for volume up or volume down control. The communication terminal converts the volume up / down keys 300a and 300b to be used as a special character recognition key.

After the use of the volume up / down key is changed through the above step 402, when the user inputs the numeric key by pressing the numeric key 302 of the mobile communication terminal, the mobile communication terminal enters the volume up / down key 300a. And step 406 of determining whether 300b is in a depressed state. As a result of the determination, when any one of the volume up / down keys 300a and 300b is pressed, step 408 is performed to recognize and display the special character assigned to the pressed numeric key 302.

For example, if the user presses the numeric key 302a once while pressing any one of the volume up / down keys 300a and 300b in the text message writing mode, the mobile communication terminal uses the special character '!' Instead of the collection 'l'. If the number 1 key 302a is pressed twice in a row, it recognizes the second special character '@' placed as the special character on the number 1 key 302a. If three special characters are placed on the number 1 key 302a, it is obvious that if the number 1 key 302a is pressed three times in succession while the volume up / down key is pressed, the third special character is recognized.

On the other hand, when the user presses the numeric key 302 without pressing the volume up / down keys 300a and 300b of the mobile communication terminal, the mobile terminal does not accept the special character recognition but recognizes and displays the consonants or vowels assigned to the corresponding numeric key 302. It has 410 steps.

The mobile communication terminal can easily input special characters as well as vowels / consonants by repeating the above steps until a text message creation termination request is received from the user. If there is a request from the user to finish writing a text message or a step 412 in which a text message termination interrupt such as a folder closing occurs, the mobile communication terminal uses the volume up / down key as the original volume up / down purpose. There are steps 414 to return and exit the text message writing mode.

On the other hand, the input method is only described as "Cheonjiin input method" as an example, also in the case of other Korean input method, the input method using the volume up / down keys 300a, 300b should be made when special characters are input. It will be apparent that the invention is a feature of the invention.

In addition, in the above embodiment, a special character input method for recognizing a special character when there is a key input while any one of the volume up key 300a or the volume down key 300b is pressed has been described in detail, but as another embodiment of the present invention, the volume up key 300a When the volume up key 300a is pressed, it recognizes the special characters assigned to each numeric key 302 that is input, while the volume down key 300b is pressed, while the volume down key 300b is pressed. Another embodiment of the present invention can be implemented to be processed.                     

In other words, if you press the number 2 key 302b once while holding down the volume up key 300a in the text message writing mode, the first assigned letter 'A' is pressed twice, and the second assigned letter 'B' is pressed three times. Pressing it again and again will recognize the third assigned letter 'C'.

On the other hand, in the text message compose mode, press the number 2 key 302b once while holding down the volume down key 300b to press the first assigned special character '?', Followed by the second assigned special character '$'. 'Will be recognized.

As described above, in the detailed description of the present invention, a specific embodiment has been described, but it will be apparent that various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the equivalent of claims and claims.

As described above, the present invention can facilitate the convenient input of a special character by using the volume up / down key and the numeric keys without inconvenient manipulation of the special character input mode at the time of text message creation. Therefore, it can be seen that there is a useful effect when it is necessary to urgently write a text message containing a special character or when it is necessary to write a text message by alternating Korean and special characters.

Claims (4)

In the method for receiving a special character when writing a text message on the mobile communication terminal, A first step of converting the use of the volume up / down key of the mobile communication terminal into the use of the special character recognition key when entering the text message writing mode; A second step of determining whether the volume up / down key is pressed when a predetermined numeric key is input from a user, and recognizing a special character assigned to the corresponding numeric key and displaying it on the display window of the mobile communication terminal when it is pressed; , Terminating the text message writing mode If the interrupt occurs, the third step of restoring the volume up / down key to the original volume up / down purpose and exits the text message writing mode How to receive a special character with a.   The method of claim 1, wherein the numeric key is assigned a special character. The method of claim 1, wherein the recognizing the special character assigned to the numeric key in the second step comprises recognizing the special character assigned to the numeric key in sequence as many times as the number key is pressed. In the method for receiving alphabets or special characters when creating a text message on a mobile communication terminal, A first step of converting a volume up / down key of the mobile communication terminal into an alphabet or special character recognition key when entering a text message writing mode; If there is a predetermined numeric key input from the user, it is determined whether the volume up / down key is in a pressed state. If the volume up key is in a pressed state, a special character assigned to the corresponding numeric key is recognized and displayed on the display window of the mobile communication terminal. A second step of recognizing and displaying the alphabet assigned to the corresponding numeric key when the down key is pressed; When the interruption of the text message writing mode is generated, the alphabet or special characters including the third step of restoring the volume up / down key to the original volume up / down purpose and exiting the text message writing mode are inputted. How to receive.

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