KR20100110628A - Character inputting apparatus and method thereof - Google Patents

Abstract

PURPOSE: A character inputting apparatus and a method thereof are provided to display a predicted syllable to select a syllable to be inputted one time in order to input the syllable, thereby easily inputting a word or a sentence. CONSTITUTION: A character input unit(110) inputs a character through a key, a touch and a voice. A display unit(130) displays predicted syllables and the character. A database unit(140) includes predicted syllable data about the character. A control unit(160) extracts at least one predicted syllable corresponding to the character. If the syllable is selected, the control unit displays at least one predicted syllable corresponding to a finally selected syllable and a character to the selected syllable.

Description

Character input apparatus and method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication terminal, and more particularly, to a text input device and a method for easily writing words and sentences by selecting predicted syllables at a time by using a keypad or a touch pad when inputting text. .

A mobile communication terminal refers to a telephone that can randomly move in a mobile communication service area and talk to a general subscriber or another mobile telephone through a base station.

Like a car phone, it can move randomly in a mobile communication area, and can make a phone call through a base station in a wireless zone to talk with a regular telephone subscriber or another mobile telephone subscriber. It is called by various names such as mobile phone, mobile phone, wireless mobile phone, wireless mobile phone and pocket phone.

Initially analogue was used, but the digital phone using the code division multiple access (CDMA) method is dominated by huge cost and small capacity to maintain. In addition, mobile phones with improved performance have been introduced every day, such as PCS (Personal Mobile Communication) phones, which use the same code division multiple access method but have higher frequency bands than ordinary digital mobile phones. have.

The principle is that when a person in the mobile communication area calls with a mobile phone, the wireless base station is first connected wirelessly, and when it leaves the area, the mobile station automatically switches to the next base station. The user can hardly notice the change because the base station changes time very short. That is, there are a large number of wireless zones in the mobile communication service area, and there are wireless base stations in each wireless zone, so that the base station and the mobile phone are connected wirelessly. In addition, when connecting with a general subscriber, the wireless network is connected to a base station, and then a call is made through a control station or an exchange station through a wire.

A mobile communication terminal having such a function is used by most people in their daily lives, and communicates through a telephone call or transmits a content to be delivered through a short message service (SMS) or a multimedia message service (MMS).

In particular, younger generations from elementary school students tend to have more conversations via SMS than telephone calls.

Accordingly, studies on the apparatus and method for inputting the text are focused on inputting the text as quickly and easily as possible.

An object of the present invention is to provide a character input device and method capable of inputting words and sentences with minimal key input.

Another object of the present invention is to provide a character input device and method capable of inputting words and sentences with minimal key input using predictive syllables.

Another object of the present invention is to provide a character input device and method capable of generating predictive syllables having high selectivity by generating information data on input or received characters.

Character input device for achieving the above object of the present invention, a character input unit for inputting a character through a key or touch and voice; A memory in which a basic application for character input is stored and a character being written is temporarily stored; A display unit displaying the input characters and the predicted syllables; A database unit including predicted syllable data for a character input by the character input unit and including information data on a target to be transmitted; And a controller configured to recognize characters input through the character input unit, extract and display one or more predicted syllables, and when the syllable is selected, display the characters up to the selected syllable and one or more predicted syllables corresponding to the last selected syllables. Characterized in that it comprises a.

As one example, the character input unit may include a key input unit for inputting a character through a keypad; A touch screen which senses a pressure of a selected syllable input on the screen surface and outputs a pressure signal thereto; A touch screen driver that calculates and outputs coordinate data and touch screen state data from the pressure signal when the pressure signal for the selected syllable is received through the touch screen; And a voice recognition unit for selecting a syllable through a voice input.

As an example, the database unit may include a syllable database in which data for displaying an input character and a predicted syllable for the last syllable is stored; A vocabulary database for determining vocabulary for input text and received text; A message database in which a created or received short message service (SMS) and a multimedia message service (MMS) are stored; A schedule management database for managing characteristics of days of the week according to text transmission; And an address book database storing information on the telephone number to be transmitted.

As an example, the method may further include an analysis module unit for analyzing information about the written text and the received text.

As an example, the analysis module unit may include: a group analysis module for analyzing a text reception object; A date analysis module for analyzing information on a date on which the text was written and a date received; And a mother analysis module for analyzing a mother word of the character that is being written and predicting a body for a receiving object.

Character input method for achieving the above object of the present invention, the first step of entering a character through a key input or touch input; A second step of displaying one or more predicted syllables corresponding to the syllable of the input character; A third step of selecting and inputting a corresponding syllable among the displayed predicted syllables; A fourth step of displaying one or more predicted syllables corresponding to a character composed of two syllables input through the first and third steps; And a fifth step of selecting and inputting a syllable corresponding to a character composed of the two syllables among the syllables displayed in the fourth step.

As an example, the predicted syllables displayed in the second and fourth stages may be arranged in alphabetical order of a list of priorities to be displayed according to the priority of the syllables of the most used characters or to be displayed as predicted syllables. It is done.

As an example, when a space syllable for spacing between syllables and syllables is selected, predicted syllables corresponding to the character before the space syllable are displayed, and when an input for a new syllable is performed without selecting the displayed predicted character, The syllables corresponding to the syllables may be displayed.

As an example, the method may further include reconstructing a database of the predicted syllables to be selected as priorities by analyzing information on the written text, the received text, and the vocabulary used in each mode.

As an example, reconstructing a database for the predicted syllables to be selected as the priority may include selecting a type to use text input; Determining whether a newly written character or reply is made; Confirming a transmission target of the created character; Confirming a feature of a date at the time of transmission through a schedule database; Determining the object by identifying the vocabulary used; And reconstructing the database by collecting the identified data.

According to the above configuration, the present invention displays predicted syllables corresponding to the input characters, and instead of selecting consonants and vowels through easy key input and touch input, it is possible to select and input the syllables to be input at once. The effect is that you can easily enter words or sentences.

In addition, by generating the information data for the input character and the received character to be able to reconstruct the database, there is an effect that can increase the accuracy for the syllable predicted later.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 7.

1 is a block diagram of a mobile communication terminal according to a preferred embodiment of the present invention.

Referring to FIG. 1, the mobile communication terminal 100 according to the present invention stores a text input unit 112 for inputting text through a key or a touch and a voice and a basic application for text input, and temporarily saves the text being written. A memory unit 120, a display unit 130 on which the input characters and the predicted syllables are displayed, and a database unit including predicted syllable data for the characters input by the character input unit and including information data on a target to be transmitted ( 140) and extracts and displays corresponding one or more predicted syllables by recognizing a character input through the text input unit, and controls to display a character up to the selected syllable and one or more predicted syllables corresponding to the last selected syllable when the syllable is selected. The controller 160 is configured to be included.

The text input unit 110 detects the pressure of a key input unit 112 for inputting text through a keypad and a selected syllable input on the screen surface, and outputs a pressure signal for the touch screen 114 and the When the pressure signal for the selected syllable is input through the touch screen 114, the syllable may be selected through the voice input and the touch screen driver 116 that calculates and outputs coordinate data and touch screen state data from the pressure signal. It is configured to include a speech recognition unit 118.

The database unit 140 includes a syllable database 142 storing data for displaying a predicted syllable for the input character and the last syllable, a lexical database 144 for determining a vocabulary for the input character and the received character; A message database 146 in which a short message service (SMS) and a multimedia message service (MMS), which are created or received, are stored, a calendar database 148 for managing characteristics of the days of the week according to text transmission, and a telephone number to be transmitted. It is configured to include an address book database 150 for storing information about.

The key input unit 112 functions as a movement key and a selection key for selecting the displayed predicted syllable, and is a means for inputting a character that can be a target of the predicted syllable.

The touch screen 114 and the touch screen driver 116 are configured to receive a key input of the mobile communication terminal 100 through a touch, and are the most efficient key input method of character input according to the present invention.

This is because the predicted syllables displayed after the minimum input characters can be selected with a single touch.

It is preferable that the terminal is configured to be applied to the present invention because many terminals consisting of a touch are released.

In addition, the speech recognizer 118 is configured to be displayed using a speech recognition technology so that the speech for the predicted syllable is recognized and selected.

For accurate selection of the displayed syllables, the number of the displayed syllables can be configured to increase the speech recognition rate.

The syllable database 142 stores data for displaying a syllable corresponding to a first input character, that is, a syllable.

In the predicted syllable, it is preferable that a syllable with a high frequency of use among the next syllables is placed at a priority.

The vocabulary database 144 stores information on the expression of the completed word or sentence.

For example, there may be a polite word and a half word for a single word and sentence, and lexical information is stored according to the object, not the language used in everyday conversation.

The message database 146 is used as information for confirming the cumulative frequency of the syllables in which the received message and the transmitted message are stored.

The address book database 150 stores all information on the input telephone number.

In detail, it corresponds to basic information to be used as information such as name, affiliation, address, email, and group.

The controller 160 recognizes the input word and loads a list of syllables that can be selected next through the syllable database 142, and controls to display 10 predicted syllables among them.

The controller 160 controls to store frequently used vocabulary used by the user in the vocabulary database 144 and analyzes the vocabulary of the used word to increase the possibility of selecting a list of predicted syllables to be displayed.

The controller 160 controls the selection rate for the predicted syllable to be displayed by referring to the previous writing message of the target subject using the transmission / reception message stored in the message database 146.

The controller 160 controls to increase the selection rate for the predicted syllable to be displayed by using the target information corresponding to the information on the special day by using the schedule information stored in the schedule management database 148.

The controller 160 controls to increase the selection rate for the predicted syllable to be displayed by using detailed information such as gender, group, affiliation, and age of the phone number stored in the address book data 150.

2 is a diagram illustrating a method of selecting and inputting a predicted syllable according to an exemplary embodiment of the present invention.

An embodiment for inputting a sentence "until tomorrow" will be described with reference to FIG. 2.

As in ①, when the letter 'my' is input through the keypad input or the touch pad input, the 10 predicted syllables corresponding to 'my' are displayed as' day ',' because there is no previous character. Ga, ,, 려, 리, 리, 년, 년, 렸, 용 용, 용, 린, 린, 내

The user checks the displayed ten predicted syllables and selects and inputs 'day'.

The word 'tomorrow' is currently input, and the next syllable to be displayed is a syllable corresponding to 'tomorrow' and 'day'.

'Tomorrow' is followed by a number of cases in which a syllable may be different from a case in which a space exists, but in this embodiment, a case in which a space exists is a priority.

② As in, the 10 predicted syllables to be displayed are '', '은', '가', '부', '이', '로', 'degree', 'of', 'about', 'in' to be.

Since the syllable that the user wants to input is 'Ca', select 'Ca' and input it.

'Tomorrow' is input, and the predicted syllables corresponding to 'tomorrow' and 'to'

③ As in, 'J', 'Yo', '', 'Jin', 'Look', 'S', 'Ha', 'F' are displayed.

In an embodiment, eight syllables are displayed, but may be additionally configured. However, it can be seen that the syllable that can be used next to 'tomorrow' is extremely limited.

Finally, the user selects 'G' among the displayed predicted syllables and finishes the input.

As described in the above description, the number of key inputs for entering 'until tomorrow' is 'b', 'ㅐ', 'day', 'ka', 'ji'. You entered the sentence.

3A is a diagram illustrating a method of inputting characters using a keypad according to an exemplary embodiment of the present invention, and FIG. 3B is a diagram illustrating a method of inputting characters using a touch pad according to an exemplary embodiment of the present invention. to be.

FIG. 3A illustrates an input method using a keypad. By assigning numbers to predicted syllables, the number of inputs can be reduced by using keypads of 0 to 9.

As shown in FIG. 3B, when the key input is touch, the displayed predicted syllable can be intuitively more easily selected.

4 is a graph showing a cumulative success rate according to a preferred embodiment of the present invention.

4 shows a result of experimenting with 20,000 character data after experimenting 100,000 character data, checking the success rate and reconstructing the database through learning.

In case of displaying 10 predicted syllables, there was a success rate of 70% or more, and the success rate of reconstruction of the database was increased by analyzing the collected information of the character information data.

5 is a flowchart illustrating a character input method using predicted syllables according to an exemplary embodiment of the present invention.

Referring to FIG. 5, when a key through a keypad or a touch pad is input to input a character (S500), a list of subsequent predicted syllables corresponding to the input syllable is displayed (S502).

Since a large number of predicted syllables corresponding to the first syllable is present, it is determined whether the syllable is selected from the currently displayed syllables (S504).

When one syllable is selected from the displayed predicted syllables, a list of the predicted syllables corresponding to the currently selected word and the last input syllable is displayed (S506).

If it is no longer desired to input, the input is terminated (S508), and if the input proceeds, one syllable of the displayed predicted syllable list is selected.

If there is no desired syllable in the currently displayed predicted syllable, it is preferable to allow the next list to be selected (S510).

The first syllable is input for the user to input one sentence, and one syllable is selected from the list of the next syllable corresponding to the input syllable, and there is a space for spacing in the middle of the sentence.

In this case, a syllable representing a space is selected from the displayed predicted syllable list.

In general, when a space is used, a new word is started and a new syllable is input. Therefore, the list of predicted syllables is not displayed.

However, it is also possible to recognize a word before spacing and display the predicted syllable by referring to the meaning of the word and the last syllable.

That is, when a space syllable for spacing between syllables and syllables is selected, predicted syllables corresponding to the character before the space syllable are displayed, and when an input for a new syllable is performed without selecting the displayed predicted character, the input syllable Preferably, the corresponding predicted syllables are displayed.

6 is a diagram illustrating a configuration of a mobile communication terminal capable of reconfiguring a database through character analysis according to an exemplary embodiment of the present invention.

As an embodiment, the mobile communication terminal 100 of the present invention may further include an analysis module unit 170 for analyzing information on the created text and the received text.

The analysis module unit 170 may include a group analysis module 176 for analyzing a text reception target, a date analysis module 174 for analyzing information on a date on which the text was created and a date on which the text was received, and the text of the text being created. A mother analysis module 172 for analyzing the mother and predicting a body for the receiving object is included.

By using the analysis modules as described above, information on the text input situation and target information may be utilized to more accurately and usefully use the syllable prediction candidate.

First, information about a user who uses the mobile communication terminal 100 may be utilized.

For example, it can be divided into age, gender, and occupational groups, which can predict words and phrases used.

The group analysis module 176 may analyze the belonging group for the stored phone number and apply the predicted syllable.

In addition, it is possible to determine which mode is being used. By determining a variety of input situations such as a short message service, a multimedia message service, a schedule management, a name entry of a phone book, and a title of a video and a photo, it is possible to obtain syllable data suitable for each situation. If you create / update it, you can increase the accuracy of candidate syllables.

Through the date analysis module 174, it is possible to determine when it is in use. For example, candidates syllables are determined by determining whether they are before / after, weekdays and weekends of New Year's Day, Chuseok, Christmas, White Day, and Valentine's Day. Can increase the selectivity.

7 is a flowchart illustrating a process of reconstructing a database through character analysis according to an exemplary embodiment of the present invention.

Referring to FIG. 7, the analysis module unit 170 is used to describe a process of regenerating a database.

First, when text input is started, it is determined in which mode of SMS, memo, schedule management, and photo / video title input (S700 to S702, S712, S714 and S716).

If the SMS mode is selected in step 702, it is determined whether to create a new SMS or SMS for reply (S704).

As a result of the determination of step 704, if it is a reply, it is determined whether it is a reply to the family, a reply to a friend, a coworker, or a customer (S706, S718 to S722).

At this time, the group analysis module 176 is used to determine which group the phone number to which the reply is to belong, and if it belongs to the group to identify and analyze the syllables and vocabulary to be used.

In addition, the date analysis module 174 determines whether it is a special day (S708) or a weekend (S724), and collects the syllables and vocabulary used.

Then, the mother analysis module 172 analyzes the ending of the character being written to predict the body for the reception target (S710).

By using the information collected through the analysis module, the configuration of the database may be reconfigured to increase the selectivity of candidates of the predicted syllables displayed.

As described above, the next predicted syllable corresponding to the syllable input through the keypad or the touch pad is displayed, and the words up to the selected syllable and the syllable corresponding to the last input / selected syllable are displayed to key input for the input of words and sentences. The effect is to reduce the number of times.

In addition, since it is possible to reconstruct the database by grasping the contextual character input state and collecting information by using the analysis module, the selection rule of the predicted syllables displayed as candidates becomes increasingly effective.

The above description has been described as an example by the embodiment of the present invention, but is not limited to the above-described embodiment and those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention. . Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description in the specification but should be defined by the claims.

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention.

2 is a diagram illustrating a method of selecting and inputting a predicted syllable according to an exemplary embodiment of the present invention.

Figure 3a is a view showing a method for entering characters using a keypad in accordance with a preferred embodiment of the present invention.

3B is a view illustrating a method of inputting a character using a touch pad according to an exemplary embodiment of the present invention.

4 is a graph showing a cumulative success rate according to a preferred embodiment of the present invention.

5 is a flowchart illustrating a character input method using predicted syllables according to an exemplary embodiment of the present invention.

6 is a diagram illustrating a configuration of a mobile communication terminal capable of reconfiguring a database through character analysis according to an exemplary embodiment of the present invention.

7 is a flowchart illustrating a process of reconstructing a database through character analysis according to an exemplary embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: mobile communication terminal 112: key input unit

114: touch screen 116: touch screen driver

118: speech recognition unit 120: memory

130: display unit 142: syllable database

144: Vocabulary Database 146: Message Database

148: calendar database 150: address book database

160 control unit 172 mother analysis module

174: date analysis module 176: group analysis module

Claims (10)

A text input unit for inputting text through a key or a touch and a voice; A memory in which a basic application for character input is stored and a character being written is temporarily stored; A display unit displaying the input characters and the predicted syllables; A database unit including predicted syllable data for a character input by the character input unit and including information data on a target to be transmitted; And A controller for recognizing a character input through the character input unit, extracting and displaying corresponding one or more predicted syllables, and when the syllable is selected, displaying a character up to the selected syllable and one or more predicted syllables corresponding to the last selected syllable; Character input device comprising a. The method of claim 1, The character input unit, A key input unit for inputting characters through the keypad; A touch screen which senses a pressure of a selected syllable input on the screen surface and outputs a pressure signal thereto; A touch screen driver that calculates and outputs coordinate data and touch screen state data from the pressure signal when the pressure signal for the selected syllable is input through the touch screen; And And a speech recognition unit for selecting a syllable through a voice input. The method of claim 1, The database unit, A syllable database in which data for displaying a predicted syllable for the input character and the last syllable is stored; A vocabulary database for determining vocabulary for input text and received text; A message database in which a created or received short message service (SMS) and a multimedia message service (MMS) are stored; A schedule management database for managing characteristics of days of the week according to text transmission; And And an address book database in which information on a telephone number to be transmitted is stored. The method of claim 1, Character input device, characterized in that it further comprises an analysis module unit for analyzing information on the written character and the received character. The method of claim 4, wherein The analysis module unit, A group analysis module for analyzing a text receiving object; A date analysis module for analyzing information on a date on which the text was written and a date received; And And a mother analysis module for analyzing a mother word of the character to be prepared and predicting a body for a receiving object. A first step of inputting a character through key input or touch input; A second step of displaying one or more predicted syllables corresponding to the syllable of the input character; A third step of selecting and inputting a corresponding syllable among the displayed predicted syllables; A fourth step of displaying one or more predicted syllables corresponding to a character composed of two syllables input through the first and third steps; And And a fifth step of selecting and inputting a syllable corresponding to a character composed of the two syllables among the syllables displayed in the fourth step. The method of claim 6, The predicted syllables displayed in the second and fourth stages are arranged in alphabetical order of a list of priorities to be displayed according to the priority of the syllable of the most frequently used text or to be displayed as predicted syllables. . The method of claim 6, When a space syllable is selected for spacing between syllables and syllables, predicted syllables corresponding to the character before the space syllable are displayed, and when a new syllable is input without selecting the displayed predicted character, the prediction corresponding to the syllable is input. Character input method for displaying the syllables. The method of claim 6, And reconstructing a database for the predicted syllables to be selected as priorities by analyzing information on the created text, the received text, and the vocabulary used in each mode. The method of claim 9, Reconstructing the database for the predicted syllables to be selected as the priority, Selecting a type of character input; Determining whether a newly written character or reply is made; Confirming a transmission target of the created character; Confirming a feature of a date at the time of transmission through a schedule database; Determining the object by identifying the vocabulary used; And Reconstructing the database by collecting the identified data; Character input method comprising a.

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