KR100620735B1 - Mobile communication terminal having function of writing study and method thereof - Google Patents

Abstract

The present invention relates to a mobile communication terminal, and more particularly, to a mobile communication terminal and a method having a writing learning function for infants, children or blind people to practice writing using a touch screen.

A mobile communication terminal having a writing learning function according to the present invention comprises: a keypad including a plurality of numeric keys, character keys, and function keys; A touch screen for receiving and outputting an operation command and displaying a menu and an operation state of the mobile communication terminal; A memory storing a writing learning program, the feature point information database storing feature point information for each letter, and a learning information database storing letter and word information for each learning step; A program driver which controls the entire apparatus of the mobile communication terminal and accesses and drives a writing learning program stored in the memory according to an input writing learning execution command, and receives learning step information input according to the program driving; A learning task output unit for accessing the character and word information according to the learning step from the information database to display on the touch screen, a feature point extraction unit for extracting and outputting feature points from the letters input from the touch screen, and the feature point extraction unit And a controller including a character reader that compares the feature point extracted by the feature point and the feature point stored in the feature point information database and displays the result through the touch screen.

Mobile terminal, touch screen, character recognition, writing learning

Description

Mobile communication terminal having function of writing learning and its method

1 is a block diagram schematically illustrating a mobile communication terminal having a writing learning function according to an embodiment of the present invention.

2 is a block diagram schematically illustrating a mobile communication terminal having a writing learning function according to another embodiment of the present invention.

3 is a flowchart schematically illustrating a writing learning process implemented in a mobile communication terminal according to an exemplary embodiment of the present invention.

The present invention relates to a mobile communication terminal, and more particularly, to a mobile communication terminal and a method having a writing learning function for infants, children or blind people to practice writing using a touch screen.

With the spread of mobile communication terminals, technology in this field is developing, and various functions are added every day due to various demands of consumers and competition among companies. For example, a terminal equipped with a camera is recently popular enough to occupy a large part of a new terminal, and a terminal having a television or radio function is also released. Such a trend demands high quality display and high capacity memory of the terminal, thereby accelerating the personal multimedia device of the mobile communication terminal.

Due to the characteristics of a mobile communication terminal, in which a user's convenient input and portability are emphasized, a mobile communication terminal using a touch pad or a touch screen capable of input and display at the same time has been released. The touch screen is an input / output means that can simultaneously implement input and display. A mobile communication terminal having a conventional touch screen recognizes letters input by a user with an electronic pen. In order to recognize the input character, the characteristics of the character such as the number of strokes, length, straight line, and connection point of the character are used. Therefore, since the letters input by the user are frequently recognized incorrectly, a method of recognizing them in word units is used to compensate for them.

Accordingly, the present inventors have attempted to use the mobile communication terminal, which has become a personal multimedia device, for learning purposes. To this end, the present inventors are equipped with a touch screen for recognizing input letters and a user application capable of processing input letters on a mobile communication terminal, thereby providing feedback on an infant and a child who lacks the ability to write or writing on his / her own. It is hard to receive a lot of efforts to study for the visually impaired has led to the present invention.

As described above, an object of the present invention is to provide a mobile communication terminal and a method having a writing learning function that helps an infant, a child, and a visually impaired person who lacks writing ability to learn writing.

According to an aspect of the present invention for achieving the above object, a mobile communication terminal having a writing learning function, when a user inputs a writing learning function activation command through an input means such as a keypad of the mobile communication terminal, Load and run the writing learning program stored in memory. The mobile communication terminal according to the present invention is preferably provided with a touch screen capable of simultaneously displaying and inputting graphic data.

The driven writing learning program requests input of a desired learning step from a user, and the user inputs a desired learning step through a keypad or a touch panel and a touch screen. The controller of the terminal displays letters, words, and sentence information in the memory on the touch screen of the terminal according to the input learning step. The user inputs letters or words output on the touch screen by using an input means such as an electronic pen provided with the mobile communication terminal.

The controller extracts the feature points of the letters input through the touch screen and compares them with the displayed letters and words, and displays the letters and words of the next step when the letters and words match. If the feature points of the input letters and words and the feature points of the displayed letters and words do not match, the controller notifies the user that an error is input through the warning sound, vibration, and guide voice, and displays the corresponding learning task again to repeat the learning. Induce. Therefore, it helps the user to write correctly, and has the advantage of supporting the learning of writing of the infant or child lacking the writing ability.

According to an additional aspect of the present invention, a mobile communication terminal having a writing learning function according to the present invention includes a character to learn voice information based on letters or words and sentence information in a memory through a speaker provided in the terminal according to an input learning step; The voice is guided by a voice, and when a letter and a word input through a touch screen are recognized and entered incorrectly, the user is notified through a warning sound, a vibration, and a guide voice. Therefore, it is advantageous to assist the learning of writing to the visually impaired who are difficult to receive the confirmation of the displayed letters and characters or the letters input by the user.

According to an additional aspect of the present invention, a mobile communication terminal having a writing learning function according to the present invention may be stored in a memory so that a user may update letter and word information used for writing learning. When a user inputs an update request command for letters or words and sentence information used for learning, the controller of the terminal requests input of letters and words to be updated from the user. The user inputs letters and words using a keypad or a touch screen provided in the terminal, and the controller updates the input letters and words in the memory.

According to an additional aspect of the present invention, a mobile communication terminal having a writing learning function according to the present invention stores a learning result learned by a user in a memory, and analyzes and stores statistical results according to a user's statistical analysis request. It has a statistics processing function. Therefore, the user has an advantage of checking the learning improvement for a predetermined period or during the corresponding learning time.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

In addition, in the preferred embodiment to be described in detail herein, only the letter learning function has been described, but the mobile communication terminal according to the present invention encompasses learning methods such as drawing by using images and icons as well as learning writing in various languages including Korean. To be interpreted to

1 is a block diagram schematically illustrating a mobile communication terminal having a writing learning function according to an embodiment of the present invention. As shown, the mobile communication terminal according to the present invention includes a keypad 120 for receiving an operation command, a touch screen 130 for receiving and outputting an operation command, and displaying a menu and an operation state of the mobile communication terminal; The display driver 140 converts and outputs data output to the touch screen 130 into graphic data suitable for the touch screen 130, and extracts and outputs an audio incoming / outgoing signal or a message from a wireless signal transmitted and received through an antenna. A wireless communication unit 150, a voice input / output circuit 160 for inputting and outputting a voice call signal from the wireless communication unit 150 through a microphone and a speaker, an audio reproducing unit 180, an audio output unit 190, and letters A memory 170 including a feature point information database 171 storing star feature point information, a learning information database 172 storing letter and word information for each learning step, and It includes a control unit 110 for controlling the overall mobile communication terminal device.

Keypad 120 is a common well-known configuration consisting of a plurality of numeric keys, character keys and function keys provided on the front of the mobile communication terminal. The touch screen 130 receives an operation command from a user and outputs graphic data output from the display driver 140 to the screen. The touch screen 130 performs an input function by tightly installing a sensor string responding to pressure on a screen surface such as an LCD in a lattice form and transmitting a position where pressure is applied to the screen to the controller 110.

Another method is to charge the charge on the surface of the LCD monitor, install sensors around it, and then detect the loss of charge at the time of contact to determine where the contact is made.Infrared light emitting diodes (LEDs) are installed around the screen. One way to do this is to create an infrared grid and detect the location of the contact by detecting the blockage of infrared light on contact. All of the touched position is detected and transmitted to the control unit 110 to perform an input function.

The touch screen 130 transmits the letters and words input from the user to the controller 110 using the position where the pressure is applied to the touch screen 130. The display driver 140 converts the graphic data output from the controller 110 and the display data including the backlight control signal into a format suitable for the touch screen 130 and outputs the converted data.

The wireless communication unit 150 is configured to include an antenna and RF circuit for communication with the base station. In the present specification, the wireless communication unit 150 is interpreted to cover not only various versions of CDMA but also existing methods such as cellular, GSM, and W-CDMA, as well as various mobile communication methods to be introduced in the future. The voice input / output circuit 160 converts digital voice data, that is, voice call signals into analog voice signals or vice versa, and amplifies a gain value of the voice call signal input and output according to a control signal output from the controller 110. It is a well-known configuration including an additional circuit such as an audio amplification circuit or a filter to amplify by.

The control unit 110 for controlling the baseband circuit or the entire terminal of the wireless communication unit 150 is commercially provided as a single integrated circuit. This integrated circuit, commonly referred to as an MSM chip, includes internally dedicated hardware for processing communications, a digital signal processor and a general purpose microprocessor.

The audio reproducing unit 180 is composed of, for example, a sound source reproducing chip such as a YAMAHA chip for reproducing a ringtone or a DSP chip for reproducing an MP3. The audio reproducing unit 180 reproduces from various sound sources such as reproducing a ringtone, an effect sound, or a music file. Output to 190. The audio output unit 190 amplifies and outputs various reproduction sounds such as a ring tone, an effect sound, and a music file reproduced from the audio reproduction unit 180 according to an amplification gain value according to a control signal output from the controller 110.

The memory 170 includes a ROM area in which a control program for controlling an operation of a mobile communication terminal and basic information thereof are stored, a RAM area in which data generated during a control operation of a mobile communication terminal is temporarily stored, and provided by a mobile communication terminal. It is divided into a user interface (U / I: USER INTERFACE) or a user area provided by a mobile communication service provider and a data area capable of storing data generated by the user application. In addition, the memory 170 stores a writing learning program, and includes a feature point information database 171 storing feature point information for each letter and a learning information database 172 storing letter and word information for each learning step. Various data stored in the feature point information database 171, the learning information database 172, and the memory 170 are accessed and controlled by the controller 110.

The feature point information database 171 stores feature point information of a character, such as the number of strokes, lengths, straight lines, connection points, consonants and vowels constituting the character. The learning information database 172 stores letters or words displayed to the user for each learning step. In addition, each of the letters and words are stored including the pronunciation of the letters, the stroke order, the meaning of the words. For example, the beginner learning stage may be consonants and vowel exercises, the intermediate learning stage may be letter exercises and word exercises, and the advanced learning stage may be sentence exercises.

When power is applied to the mobile communication terminal, the controller 110 loads and operates an operating program of the mobile communication terminal from the memory 170 to control the entire mobile communication terminal device. According to a characteristic aspect of the present invention, the control unit 110 of the mobile communication terminal according to the present invention includes a program driver 111 for accessing and driving a writing learning program stored in the memory 170 according to an input writing learning execution command; The learning task output unit 112 for receiving the learning step information input according to the program driving and accessing the character and word information according to the learning step from the learning information database 172 and displaying it on the touch screen 130, and the touch screen. The feature point extracting unit 113 extracts and outputs a feature point from the text input from the character 130, and compares the feature point extracted by the feature point extracting unit 113 with the feature points stored in the feature point information database 171 and compares the result. It includes a character reading unit 114 to display through the touch screen 130.

The program driver 111 loads and drives a writing learning program stored in the memory 170 according to a writing learning function driving command including learning step selection information input from the keypad 120 or the touch screen 130.

The learning task output unit 112 displays, on the touch screen 130, letters, words, and sentence information according to the learning step selection information in the learning information database 172 of the memory 170 according to the learning step selection information input. . The learning task output unit 112 maximizes the effect of learning by displaying the meanings of the pronunciation and the words in the case of pronunciation, stroke order and words, as well as the letters or words to learn on the touch screen 130 of the terminal.

The feature point extractor 113 configures the number of strokes, lengths, straight lines, connection points, and letters of the letters input by the user by the touch screen 130 according to the letter or word information output by the learning task output unit 112. Character points such as consonants and vowels are extracted and transmitted to the character reading unit 114. The feature point extractor 113 extracts a feature point of an input character through position information of pressure applied to the touch screen 130.

The text reader 114 receives the feature points of the input characters extracted and output from the feature point extractor 113 and compares the feature points with the feature point information according to the letters or words displayed by the learning task output unit 112. If it matches, the user inputs the correct letter on the touch screen 130 or notifies the user through voice guidance, and transmits the next learning task output request to the learning task output unit. The learning task output unit 112 displays the next learning task in the corresponding learning step on the touch screen in response to the next learning task output request.

In addition, if the feature point of the input letter and the feature point of the displayed character as the learning task is different from the user through the warning sound, vibrate, guide voice to inform the user that the incorrect entry, and outputs the learning assignment to output the wrong learning assignment ( 112). The learning task output unit 112 repeatedly displays the corresponding learning task in response to a request of the character reader 114 to induce repeated learning to the user. Therefore, there is an effect that can help the correct writing practice for children or young children who are not good at writing, as well as for the visually impaired who have difficulty receiving feedback on their writing.

2 is a block diagram schematically illustrating a mobile communication terminal having a writing learning function according to another embodiment of the present invention. As shown, the memory 170 of the mobile communication terminal according to the present invention further includes a voice information database 173 for storing voice information according to words and words stored in the learning information database 172, and outputs the learning task The unit 112 displays a learning task including letter or word information and simultaneously accesses voice information of the letter or word from the voice information database 173 and outputs the same. In addition, when the user selects a step of learning to write by only outputting a voice signal, the touch screen 130 may provide a learning task consisting of only voice information without displaying letters, words, and sentence information.

The voice information database stores voice information of letters or words stored for each learning step. Voice information of letters and words is stored as digital audio data as pronunciation of letters and words. The voice information of the letters or words stored in the voice information database 173 is accessed and output along with the display of the letters or words output by the learning task output unit 112, and additionally provided to the user as a learning task consisting of only a voice signal. Can be provided.

For example, when the user selects an intermediate learning step for learning letters and words, the learning task output unit 112 displays the learning task corresponding to the intermediate learning step, that is, letters or words, in the learning information database 172. At the same time, access is displayed on the touch screen 130 and the voice information of the corresponding letter or word is accessed from the voice information database 173 and output together. For example, when studying the word 'car', the learning task output unit 112 displays the word information 'car', that is, pronunciation, stroke order and meaning of the word, in the learning information database 172, and the voice information database. In operation 173, the voice information according to the pronunciation of the vehicle is accessed and simultaneously output.

In addition, a writing learning program mounted and driven in a mobile communication terminal having a writing learning function according to the present invention includes a letter or word input by the user through the touch screen 130 according to a letter or word and sentence output as voice. It may further include a dictation learning function for checking a sentence. When the user selects the dictation learning function, the learning task output unit 112 selects and outputs only a voice signal of letters or words and sentences as a learning task, and inputs the voice output letters or words and sentences to the user. The input letters, words and sentences are recognized and processed by the feature point extracting unit 113 and the character determining unit and notified to the user.

According to an additional aspect of the present invention, the control unit 110 of the mobile communication terminal having a writing learning function according to the present invention updates learning information such as letters or words and sentences input by a user to the learning information database 172. The apparatus further includes an update unit 115. The learning information updating unit 115 adds newly input letters, words, and sentences to the learning information database 172 or corrects and deletes previously stored learning information according to the learning information update request of the learning information database 172.

When the user inputs an operation command according to the request for updating the learning information, the learning information updating unit 115 of the control unit 110 may either add new learning information or modify or delete stored learning information according to the input operation command. It asks for input of selection information for the various functions. When the user selects and inputs additional functions of the learning information, the learning information updater 115 requests the input of new letters, words, and sentences, and inputs the learning information input through the keypad 120 or the touch screen 130 from the user. The learning information database 172 is stored.

When selecting and inputting the correction and deletion functions of the learning information, the learning information updater 115 requests input of the learning information to be modified and deleted and the learning information to be corrected. When the learning information to be modified and the learning information to be corrected are input, the learning information updating unit 115 updates the previously stored learning information with newly input learning information. In addition, when only learning information to be deleted is input, the learning information updating unit 115 deletes the corresponding learning information from the learning information database 172. Therefore, the user has the advantage of easily adding or modifying and deleting the desired learning information.

Additionally, the learning information update unit 115 of the mobile communication terminal according to the present invention is provided by a mobile communication provider, for example, mounted in a wireless Internet or a personal computer and input from a data manager program for transmitting and receiving data with the mobile communication terminal. The learning information database 172 may be updated by receiving the learning information.

According to an additional aspect of the present invention, the memory 170 of the mobile communication terminal having a writing learning function according to the present invention further includes a learning result database 174 for storing learning results for a predetermined period or during a corresponding learning time. The control unit 110 further includes a learning result statistics processing unit 116 for analyzing and statistically processing the learning results stored in the learning result database 174.

The learning result database 174 stores the learning result of the user over time. The letter recognition unit determines the degree of correspondence between the learning task provided in the writing learning process and the letters, words, and sentences input by the user, and stores the result according to the learning result in the learning result database 174 for each learning time. The learning result statistics processing unit 116 statistically analyzes the result according to the learning result stored in the learning result database 174 according to the learning result request input from the user and provides the result to the user.

For example, when the user inputs through the touch screen 130 according to a learning task provided by activating the writing learning function, that is, letters, words, and sentences, the letter recognition unit of the control unit 110 inputs letters or The degree of agreement between the word and the sentence and the learning task is determined and stored in the learning result database 174. The stored data may be expressed as a percentage according to the degree of agreement with the learning task.

In addition, the writing learning program mounted and driven in the mobile communication terminal having the writing learning function according to the present invention recognizes the type of the letters input by the user and further includes a writing proofing function and a spelling correcting function. It may include. Among the feature points of the letters input by the user through the touch screen 130, the user determines whether the input letters are correctly input through the positions of consonants and vowels, the length of the stroke, and the overall form of the letters, and notifies the user of the result. In addition, when a sentence is input with a space or wrong grammar, the user is notified of the part written by the wrong grammar.

For example, in the case of practicing 'a' character, when the position of the vowel 'ㅏ' is located on the left side or the bottom of the consonant 'ㅇ', the character reading unit 114 of the control unit 110 determines this. To notify the user through the touch screen 130 and the speaker SPK that the position of the vowel of the input letters is incorrect, such as "the location of the collection is incorrectly written".

In addition, it may further include a writing practice function for writing the writings or letters neatly. This function provides the user with information such as the shape, stroke order, and length of letters according to a number of fonts so that the user can practice the desired font without a separate writing manual and tool.

3 is a flowchart schematically illustrating a writing learning process implemented in a mobile communication terminal according to an exemplary embodiment of the present invention. As shown, the writing learning process implemented in the mobile communication terminal according to the present invention allows a user to input a writing learning function activation command mounted on his mobile communication terminal by a predetermined key input of the keypad 120 or is provided in the terminal. Select and input the execution icon displayed on the touch screen 130 (S101). The program driver 111 of the controller 110 receives a write learning function activation command input by the keypad 120 or the touch screen 130 and loads and drives a write learning program stored in the memory 170 (S102). .

The writing learning program loaded and driven by the program driver 111 requests a user to input a writing learning step such as, for example, intermediate, advanced, and dictation, and the user selects a desired learning step according to the learning step input request. Select and input (S103). The learning information output unit of the control unit 110 accesses the learning information from the learning information database 172 of the memory 170 according to the learning step selection information input by the user, and as the learning task of the corresponding learning step on the touch screen 130. Display. The learning information stored in the learning information database 172 includes not only letters or words to be studied, but also meanings of words in the case of pronunciation, stroke order, and words of the corresponding letters, and the touch screen 130 by the learning task output unit 112. It is displayed on (S104).

When the user inputs letters or words and sentences using an input means such as an electronic pen provided with the terminal according to the learning task displayed on the touch screen 130 (S105), the feature point extractor 113 is inputted. Extract the feature points of the text. In general, the recognition of letters input on the touch screen 130 uses the characteristics of letters such as the number of strokes, lengths, straight lines, connection points, and consonants and positions of vowels. Therefore, the feature point extractor 113 extracts feature points such as the number of strokes, lengths, straight lines, connection points, and consonants and vowels of the letters for each character to be transmitted to the character reader 114 (S106). The character reader 114 accesses the feature point of the learning task provided to the user through the touch screen 130 from the feature point information database 171, and by the character point and the feature point extractor 113 for each letter according to the accessed learning task. The feature points of the extracted input characters are compared to determine whether each feature point is the same (S107).

As a result of reading by the character reading unit 114, if the two feature points match, display the correct character input on the touch screen 130 or notify the user through voice guidance (S108), learning of the control unit 110 The task output unit 112 displays the learning tasks in the order of the corresponding learning steps on the touch screen 130 (S109).

As a result of reading by the character reading unit 114, if the characteristic point of the input character and the characteristic point of the character provided as a learning task is different, the user is notified that the wrong description is made through a warning sound, vibration, and guide voice (S110). The character reading unit 114 requests the user to repeatedly learn the incorrectly inputted learning task, and when the repeated learning is requested from the user, the learning task output unit 112 of the controller 110 touches the incorrectly inputted learning task. By repeatedly displaying the corresponding learning task on the screen 130 and reading the feature point of the input character and notifying the user of the result, the learning task is reviewed (S111). The writing learning function terminates the driving when the end command of the user is input, and repeats the above-described steps when the end command is not input (S112).

Therefore, there is an effect that can help the correct writing practice for children or young children who are not good at writing, as well as for the visually impaired who have difficulty receiving feedback on their writing.

In the writing learning method according to another embodiment of the present invention, display and voice information of letters, words, and sentences provided as learning tasks are output together. Furthermore, a learning task consisting of only voice signals may be provided to the user, and the user may be provided with a dictation function for inputting the same on the touch screen 130.

A user inputs a command for activating a writing learning function mounted in his mobile communication terminal by inputting a predetermined key of the keypad 120 or selecting and executing an execution icon displayed on the touch screen 130 provided in the terminal. The program driver 111 of the controller 110 receives a write learning function activation command input by the keypad 120 or the touch screen 130, and loads and drives a write learning program stored in the memory 170.

The writing learning program loaded and driven by the program driver 111 requests a user to input a writing learning step such as, for example, intermediate, advanced, and dictation, and the user selects a desired learning step according to the learning step input request. Select and enter. The learning information output unit of the controller 110 accesses the learning information from the learning information database 172 of the memory 170 according to the learning step selection information input by the user and displays the learning information on the touch screen 130 as a learning task to the user. At the same time, the learning task output unit 112 accesses the voice information of the corresponding letter or word from the voice information database 173 and outputs the same together. For example, when studying the word 'car', the learning task output unit 112 accesses and displays the word information 'car', that is, pronunciation, stroke order and meaning of the word, in the learning information database 172, and voices The information database 173 accesses and outputs voice information according to the pronunciation of the car.

When the user inputs letters, words, and sentences using an input means such as an electronic pen provided with the terminal according to the learning task displayed on the touch screen 130, the feature point extractor 113 is a feature point of the input character Extract In general, the recognition of a character input on the touch screen 130 uses characteristics of the character such as the number of strokes, the length, the straightness, the connection point, and the location of consonants and vowels. Therefore, the feature point extractor 113 extracts feature points, such as the number of strokes, lengths, straight lines, connection points, and consonants and vowels, for each character to be transmitted to the character reader 114. The character reader 114 accesses the feature point of the learning task provided to the user through the touch screen 130 from the feature point information database 171, and by the character point and the feature point extractor 113 for each letter according to the accessed learning task. The feature points of the extracted input characters are compared to determine whether each feature point matches.

As a result of reading by the character reading unit 114, if the two feature points match, display the correct character input on the touch screen 130 or notify the user through voice guidance, or as a feature point and learning task of the input character If the feature points of the letters provided differ, the user will be notified that they have been incorrectly written through the warning, vibration, and guidance sounds.

In addition, a writing learning program mounted and driven in a mobile communication terminal having a writing learning function according to the present invention includes a letter or word input by the user through the touch screen 130 according to a letter or word and sentence output as voice. It may further include a dictation learning function for checking a sentence. When the user selects the dictation learning function, the learning task output unit 112 selects and outputs only a voice signal of letters or words and sentences as a learning task, and inputs the voice output letters or words and sentences to the user. The input letters, words and sentences are recognized and processed by the feature point extracting unit 113 and the character determining unit and notified to the user.

According to an additional aspect of the present invention, the writing learning method according to the present invention may update a learning task such as letters or words and sentences input by a user. Accordingly, the user may add new letters or words and sentences, or modify and delete prestored learning information.

When the user inputs an operation command according to the request for updating the learning information, the learning information updating unit 115 of the control unit 110 may either add new learning information or modify or delete stored learning information according to the input operation command. It asks for input of selection information for the various functions. When the user selects and inputs additional functions of the learning information, the learning information updater 115 requests the input of new letters, words, and sentences, and inputs the learning information input through the keypad 120 or the touch screen 130 from the user. The learning information database 172 is stored.

According to an additional aspect of the present invention, the writing learning method according to the present invention may provide a learning improvement to a user by analyzing a learning result for a predetermined period or a corresponding learning time. When the user inputs through the touch screen 130 according to the learning task provided by activating the writing learning function, that is, letters, words, and sentences, the letter recognition unit of the controller 110 may be configured to include the input of the letters, words, sentences, and learning tasks. The degree of agreement is determined and stored in the learning result database 174. The stored data may be expressed as a percentage according to the degree of agreement with the learning task. When the learning result is input to the user's learning result statistics request to the user stored in the learning result database 174, the learning result statistics processing unit 116 according to the learning result request input from the user, the learning result stored in the learning result database 174. Statistical results are analyzed and provided to the user.

In addition, the writing learning program mounted and driven in the mobile communication terminal having the writing learning function according to the present invention recognizes the type of the letters input by the user and further includes a writing proofing function and a spelling correcting function. It may include. Among the feature points of the letters input by the user through the touch screen 130, the user determines whether the input letters are correctly input through the positions of consonants and vowels, the length of the stroke, and the overall form of the letters, and notifies the user of the result. In addition, when a sentence is input with a space or wrong grammar, the user is notified of the part written by the wrong grammar.

For example, in the case of practicing 'a' character, when the position of the vowel 'ㅏ' is located on the left side or the bottom of the consonant 'ㅇ', the character reading unit 114 of the control unit 110 determines this. To notify the user through the touch screen 130 and the speaker SPK that the position of the vowel of the input letters is incorrect, such as "the location of the collection is incorrectly written".

In addition, it may further include a writing practice function for writing the writings or letters neatly. This function provides the user with information such as the shape, stroke order, and length of letters according to a number of fonts so that the user can practice the desired font without a separate writing manual and tool.

As described in detail above, a mobile communication terminal having a writing learning function and a method thereof according to the present invention display letters, words, and sentences on a touch screen of a mobile communication terminal according to a learning step, and are input through a touch screen from a user. Compared with letters or words and sentences, by notifying the result, it helps the user to write correctly, and has the advantage of assisting the learning of writing of an infant or a child who lacks the writing ability.

In addition, the speaker provided in the mobile communication terminal to guide the words and words to be learned by voice, and if the letters and words input through the touch screen is incorrectly input by notifying the user through the warning sound, vibration, guide voice In addition, it has the advantage of assisting the learning of writing to the visually impaired, which is difficult to receive the confirmation of the displayed characters and characters or the letters entered by them.                     

In addition, the user can directly input letters and words using the keypad or touch screen provided in the terminal, or can update and use the learning information provided from the terminal operator, so that the user can easily add or modify the desired learning information. And delete.

In addition, by storing the learning results learned by the user, by analyzing and providing the stored learning results in accordance with the user's statistical analysis request, the user can check the learning improvement for a certain period or during the corresponding learning time Has

The present invention has been described above with reference to preferred embodiments, but is not limited thereto, and is interpreted by the appended claims, which are intended to cover many modifications that will be apparent to those skilled in the art without departing from the scope of the present invention. Should be done.

Claims (10)

In the mobile communication terminal, A keypad including a plurality of numeric and character keys and function keys; A touch screen for receiving and outputting an operation command and displaying a menu and an operation state of the mobile communication terminal; A memory storing a writing learning program, the feature point information database storing feature point information for each letter, and a learning information database storing letter and word information for each learning step; A program driver which controls the entire apparatus of the mobile communication terminal and accesses and drives a writing learning program stored in the memory according to an input writing learning execution command, and receives learning step information input according to the program driving; A learning task output unit for accessing the character and word information according to the learning step from the information database to display on the touch screen, a feature point extraction unit for extracting and outputting feature points from the letters input from the touch screen, and the feature point extraction unit A control unit including a character reading unit which compares the feature points extracted by the feature points stored in the feature point information database and displays the result on the touch screen; Mobile communication terminal having a writing learning function comprising a. The memory of claim 1, wherein the memory is: A voice information database storing voice information according to words and words stored in the learning information database; The learning task output unit: Writing information function characterized in that the voice information corresponding to the letters and words that are accessed and output from the learning information database is accessed from the voice information database and output together, or only the voice information is separately accessed from the voice information database and output. Mobile terminal. The method of claim 2, wherein the character reading unit: Mobile communication terminal having a writing learning function, characterized in that notifying the result of comparing the feature point of the input character through the warning sound, vibration, guide voice. The method of claim 3, wherein the control unit: And a learning information updating unit for updating letters and words input in response to a request for updating letters and words information of the learning information database to the learning information database. The method of claim 4, wherein the memory is: A learning results database for storing learning results; The control unit: A learning result statistics processing unit for analyzing and statistically processing the learning results stored for a predetermined period; Mobile communication terminal having a writing learning function, characterized in that it further comprises. In the writing learning method implemented in a mobile communication terminal, a) loading and driving a corresponding program in a memory according to a writing learning function activating command; b) accessing and displaying character information stored in a learning information database in which letters and word information for each learning step are stored according to the input learning step; c) extracting feature points of letters input through the touch screen and recognizing letters using the extracted feature points; d) comparing the recognized letters with the letters displayed by the letter learning program and notifying the result if the two letters do not match; Writing learning method comprising a. 7. The method of claim 6, wherein step d) comprises: A method of learning to write, wherein the result of comparing the feature points of the input letters is notified through at least one of a display, a warning sound, and a vibration through a touch screen. The method of claim 7, wherein the method is: e) voice information corresponding to letters and words according to the learning step is accessed from the voice information database in a voice information database storing voice information according to words and words stored in the learning information database according to the program driving; Doing; Writing learning method characterized in that it further comprises. The method of claim 8, wherein the method is: f) receiving letter and word information inputted to update letter information of the learning information database; Writing learning method characterized in that it further comprises. The method of claim 9 wherein the method is: g) storing the learning result learned for a predetermined period, and analyzing and statistically processing the stored learning result; Writing learning method characterized in that it further comprises.

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