KR100784260B1 - Letter input method and apparatus in terminal unit useing touch pad - Google Patents

Abstract

A method for inputting characters in a terminal using a touch pad and an apparatus thereof are provided to save a user trouble by inputting characters with simple touches to a pad without repeatedly pressing keys. If a user consecutively touches a Hangul consonant(201) on the screen of a touch pad, a control part(130) receives an input signal from the touch pad, recognizes and combines the consecutively touched regions(1,2,3,6,9), compares the combined data with data of a preset basic data table, obtains the associated consonant, and displays it on a display part(120). If the user touches a Hangul vowel on the screen of the touch pad, the control part receives input signals(202,203), receives and combines the consecutively touched regions(4,5,6) and the subsequently touched region(*), obtains the associated vowel, combines it with the displayed consonant, and displays a completed letter.

Description

Character input method and device using a touchpad {LETTER INPUT METHOD AND APPARATUS IN TERMINAL UNIT USEING TOUCH PAD}

1 is a block diagram illustrating a structure of a terminal using a touch pad according to an embodiment of the present invention;

2 is an internal functional block diagram of an apparatus for text input in a terminal using a touch pad according to an embodiment of the present invention;

3 is a screen configuration diagram showing a state in which the Hangul consonants are touched according to an embodiment of the present invention;

4 is a screen configuration diagram showing a state in which a Hangul twin consonant is touched according to an embodiment of the present invention;

5 is a screen configuration diagram showing a state of touching the Hangul vowel according to an embodiment of the present invention;

6 is a state diagram illustrating a process of recognizing and displaying a touched character in a terminal using a touch pad according to an embodiment of the present invention;

7 is a screen configuration diagram showing a state of touching the English alphabet according to an embodiment of the present invention,

8 is a flowchart illustrating a method for inputting a character using a touchpad according to an embodiment of the present invention.

The present invention relates to a character input method and apparatus, and more particularly, to a method and apparatus for easily inputting a character using a touch terminal pad.

In general, in a device for inputting text through key input, such as a mobile phone or PDA, a character is input by setting a preset character on a keypad and combining these key inputs. For example, when entering Hangul characters, several consonants or vowels are set on one key of the keypad, so pressing a single key several times completes the character. Similarly, in English, the alphabet assigned to the number of keypads can be written as the first key input, but the remaining alphabet assigned to the keypad over the number of keypads again has to be pressed a few times.

In addition, when a character is incorrectly inputted, it is very inconvenient for the user who is not familiar with the character input due to the trouble of deleting the input character and repeating the key input again to complete the character.

Therefore, in order to solve this inconvenience, techniques for inputting text inputs have been developed more easily. As such a conventionally developed technology (Public Publication No. 2001-0059872), there is a character input method using a keypad, which is inputted in the order of writing consonants and vowels using the arrangement of the keypads according to the order and position of the handwritten characters. That's how.

However, this method solves the trouble of pressing a key several times by inputting a literally arranged key, but still inputs several keys to complete a character. Therefore, for complex characters, it takes considerable time to enter a key to complete the consonant vowels, which increases the time required to enter a key and combines a predetermined key on the keypad. have. In addition, the method inputs the keys in the order of the letters, but since each key is pressed, it is difficult to recognize continuous pad input in the apparatus.

Therefore, it is easy to input text even to users who are not familiar with text input, and there is a need for a method of quickly inputting and displaying text without having to repeat a plurality of key inputs.

Accordingly, an object of the present invention is to provide a method and apparatus for inputting a character to recognize and display a character as it is written using a touch pad.

Another object of the present invention is to provide a character input method and apparatus for completing and displaying handwritten characters by continuously recognizing an area of a pad to be touched using a touch pad.

The method of achieving the above object of the present invention, the process of pre-setting the data of the basic data table for recognizing and comparing the character to be written from the user, and if the user touches the touch pad to write the character, Receiving input signals of consecutive touch regions for the second input; generating input data combining numbers / special characters corresponding to the input signals of the touch region; And comparing the data with the data in the data table, and displaying the character written by the user if there is data matching the result of the comparison.

The apparatus for achieving the objects of the present invention, a touch pad for continuously inputting a character from the user to input, and a touch pad for transmitting an input signal for the touched areas of the input character, and by recognizing the handwritten characters Preset data of a basic data table for comparison, generate input data combining numeric / special characters corresponding to input signals of the touch area, and generate the input data in the preset basic data table. And a display unit for displaying the handwritten character according to the comparison result.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals have the same reference numerals as much as possible even if displayed on different drawings. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The present invention utilizes a touchpad so that the user can recognize the written form of the device without the need for a key input, rather than a repeated key input that completes a character by combining preset consonants, vowels / alphabets, and the like. Such a touch pad can receive contents with a simple touch without the user pressing a key.

 And the character input device according to an embodiment of the present invention is a device that can input text using a touch pad, will be described by applying to a terminal such as a mobile phone, PDA, etc., it can be applied to other devices using a touch pad Care must be taken.

Next, a structure of an apparatus for text input in a terminal according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a block diagram showing a structure of a terminal using a touch pad according to an embodiment of the present invention, Figure 2 is an internal functional block of the device for inputting characters in the terminal using a touch pad according to an embodiment of the present invention It is also.

Referring to FIG. 1, the text input device 100 may be divided into an input unit 110 including a touch pad 111 for inputting a character with a simple touch, and a display unit 120 for displaying the input character. . The input unit 110 may include a menu key 111 for inputting a menu, and the menu key 111 may also be configured as a touch pad.

Next, referring to FIG. 2, the character input apparatus 100 is described as an internal function block. The character input apparatus 100 may include an input unit 110 that receives characters from a user using a touch pad, and input characters. The display unit 120 to display the control unit, a control unit 130 for controlling to accurately display the input character, a storage unit 140 storing information for analyzing the input character, etc., and other devices. It includes a transmission / reception unit 150 for transmitting and receiving data through communication.

The touch pad 111 may be set by dividing the touch screen into areas of numbers and special characters (*, #), and displaying the numbers and special characters (*, #) corresponding to the set area so that the user can check them. Can be. When the user touches each of the set areas, the touch pad 111 generates a unique signal to the controller 130 so that the controller 130 can check the numbers or special characters corresponding to the corresponding areas.

A method of inputting a text in a text input device in a terminal using a touchpad having such a structure will be described in detail with reference to the accompanying drawings. With reference to the accompanying Figures 3 to 5 will be described in the Hangul character input according to a first embodiment of the present invention.

First, when a user looks at each area composed of numbers and special characters of a touch screen through the touch pad 111, there may be differences for each type of terminal, but an example of an arrangement generally used will be described. The first row displays 1, 2, 3, the second row 4, 5, 6, the third row 7, 8, 9, and the fourth row *, 0, #.

The user writes and inputs letters on the touch screen of the touch pad 111. Then, the controller 130 recognizes the letter written on the touch pad 111 and checks the number set in the written area. For example, if the user wants to use 'ㄱ', the user's hand or fan passes through the 12369 area set on the touch pad 111 continuously or at short time intervals, and the controller 130 controls the area. It recognizes and displays a 'b' on the display unit 120.

Therefore, the controller 130 presets the numbers of the corresponding areas according to the literal creation of the Korean consonants / vowels or the English alphabet and stores the data set in the storage unit 140 in a database. An example of setting the number of the area according to the letter will be described with reference to FIG. 3.

Referring to FIGS. 3A to 3G, 'a' is set as an area 12369, 'b' is an area 14789, 'c' is an area 3214789, 'd' is an area 123654789, and 'ㅁ' is an area 98741236. In this case, 'g' is set to an area of 75259, and 'O' is set to an area of 24862.

In addition, referring to FIG. 3H, 'ㅂ' of the Korean consonants is set as an * region additionally input to the number 98741236 of the region of 'ㅁ' because the character is broken when writing. In this reference, 'j' is set to consecutive 75259 and * areas, 'z' is set to consecutive 95247 and * areas, 'ㅋ' is set to 12369 and * areas, and 'ㅌ' is set to 1234789 and * areas. In addition, the rest of the Korean consonants 't', which are not shown, are set to 963214789 and *, and 'ㅎ' is set to 24862 and * regions. Here, the character whose stroke is broken is completed by combining a special character with a similar character, but this setting may be extended to a touch pad area as it is written.

In addition, since the consonants exist in the Hangul consonants, the consonants are set by adding a # region at the end. For example, referring to FIG. 4A, 'k' is set to a contiguous 98741236 and areas of * and # touched, respectively. 4B, for example, 'k' is set to areas of 9874123 and #.

In this way, the rest of the consonants can be set to the data that is stored in the basic data table. do. For example, the Hangul consonants may be set to be recognized as 'AB' even when continuously touching 4569/1258/1236/4580, etc., to generate an extended data table.

Next, the Hangul vowel may be set to a literal area, or may be set as shown in the attached FIGS. 5A to 5J illustrating an example of some Hangul vowels.

'ㅏ' is set to areas 258 and 0, 'ㅑ' is set to long press or touch (258) 258 and 0, and 'ㅓ' is set to areas 0 and 258, where 0 is the first, It is set to touch. Similarly, 'ㅕ' is set in the 00 and 258 areas. 'ㅗ' is set to 456 and 0, 'ㅛ' is set to 456 and 00, 'TT' is set to 0 first and then 456, and 'ㅠ' is 00 first. Area 456 and '-' and '|' are set to area 456 and 258, respectively. In addition, 'ㅔ' and 'ㅖ' may be set to input a special character * or # before or after the same number as the areas of 'ㅓ' and 'ㅕ'. Therefore, the controller 130 sets the result of combining the numbers of areas touched continuously at a continuous or short time interval for the Hangul vowels set as the data stored in the basic data table.

However, these Hangul vowels may generate an extended data table by setting a number of other areas other than the setting area, for example, 'ㅏ' to be extended to 147/369 and 0 area and the like.

In the embodiment of the present invention as described above, in the case of the Hangul consonants, except for the case where the consonants or strokes are not contiguous, the region is set so that all the strokes are continued. It can also be set to In this case, if another stroke is recognized after a preset short time (for example, 1 second), the controller 130 recognizes it as one character.

Then, when the consonants and vowels are continuously input, the controller 130 combines them and displays them as one completed letter. The process of completing such letters is as shown in FIG.

Referring to FIG. 6, a user continuously touches a letter, for example, a Korean consonant (′ ′) 201 on the screen of the touch pad 111. Then, the controller 130 receives the input signals 1, 2, 3, 6, and 9 from the touch pad 111, recognizes the continuously touched regions 12369, combines them, and preset basic data. Comparing the data of the table to find the corresponding character ('ㄱ') and display on the display unit 120.

Then, the user continuously touches the Hangul vowel ('ㅗ') on the screen of the touch pad 111. Then, the controller 130 receives the input signals 4, 5, 6 (202) and * (203) from the touch pad 111, recognizes and continuously combines the areas 456 and the next touched *. After that, the corresponding character is found and the completed character of 'high' is displayed on the display unit 120 by combining the previously displayed input data together.

Next, according to another embodiment of the present invention will be described a method for inputting the alphabet of English with the same concept as the input method of the Korean consonant / vowel as described above.

In the case of inputting the English alphabet, the user should change the Korean language to English in the menu, and the controller 130 should set the corresponding number in the handwritten area in advance so as to recognize the alphabet handwriting.

For example, when the alphabet 'A' is input, the written area may be 752569, 5 (or 8), as shown in FIG. 7A. Therefore, the controller 130 recognizes the written area and sets it as an area of 'A'. However, this may vary slightly depending on the user's handwriting, so expand the case as much as possible. For example, 74258 and 45 may also be input, so that the number of the area is stored in the extended area of the storage 140.

Meanwhile, characters may be sequentially input as in the Korean input. For example, referring to FIG. 7B, since 'A' (or 'E') is a character in which a stroke is broken during writing, 'A' is set to a contiguous 752569 region and * region. In addition, referring to (c) of FIG. 7, 'B' that can be continuously created is set to an area 741254587. In this way, the controller presets the remaining uppercase / lowercase alphabet letters and stores the database in the corresponding area of the storage 140.

Then, the operation of the terminal for receiving and processing the set characters according to the embodiments of the present invention as described above will be described.

8 is a flowchart illustrating a method of inputting a character using a touch pad according to an embodiment of the present invention.

The user touches the screen of the touch pad 111 to write a character as if writing. Then, in step 310, the controller 130 of the terminal receives an input signal of a touch area corresponding to a character written by a user through the touch pad 111 of the input unit 110. In operation 320, the controller 140 checks the numbers / special characters corresponding to the input signal of the continuously touched region on the touch pad screen in which the regions are divided or generates a combination of them.

Then, in step 330, the controller 140 receives the data of the preset basic data table from the storage 140, compares the input data generated as a combination of numbers / special characters corresponding to the identified areas, and matches the matching data. Check if the data exists. If there is no matching data, the control unit 140 receives the data of the preset extended data table in step 350 and compares the data with the combination of the numbers of the touched area. Check again to see if it exists. If there is no matching data at this time, in step 370, the controller 140 displays an error message or generates an error alarm sound without displaying any characters on the display 120. On the other hand, if there is matching data, the flow proceeds to step 380.

As a result of checking in steps 340 and 360, if there is a matched data, the controller 130 displays a character corresponding to the matched data on the display unit 120 in step 380, and if there is a continuous input of other characters in step 390. If there is no new character for a certain time by checking, the operation is terminated, and the controller 130 recognizes a later input character as a new character. On the other hand, for example, when receiving a Hangul vowel after inputting the Hangul consonants as shown in FIG. 6, the controller 130 repeatedly combines the previous letter by repeating the above processes. Display.

In this process, if the input is not a continuous touch input, but the stroke of the character is broken, the controller 130 checks whether there is an input touched after 1 to 2 seconds by operating the timer. The controller 130 presets the preset basic data table with data that is a combination of numbers for areas continuously touched at short time intervals.

On the other hand, in the detailed description of the present invention has been described with respect to specific embodiments, various modifications are possible without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

As described above, the present invention provides a touch pad instead of a keypad for inputting characters into a terminal, so that the user can recognize a character as he or she writes on the touch pad screen, and the user does not need to repeatedly press a key. By inputting characters, the user's inconvenience can be reduced, and the device can recognize the touched pad region continuously, thereby reducing the time for entering characters.

Claims (10)

Presetting data of a basic data table for recognizing and comparing the written characters from a user; When the user touches the touch pad to write a character, the process of receiving input signals of a continuous touch area for the written character, Generating input data combining numbers / special characters corresponding to the input signals of the touch area; Comparing the generated input data with data of the preset basic data table; If there is a matching data as a result of the comparison, including the step of displaying the handwritten character, Presetting the data of the basic data table Dividing the screen of the touch pad into areas of numbers and special characters; Setting data combining a number / special character corresponding to areas touched continuously in the shape of a Korean consonant in the separated number and special character area; Setting data combining a number / special character corresponding to areas touched continuously in the shape of a Korean vowel in the separated number and special character area; Databaseing the set data to generate a basic data table; The data setting is a combination of numbers of areas touched continuously in the case of a character following a stroke, and special characters touched continuously at short time intervals with numbers of areas touched continuously in a case of a character having a stroke or Character input method in a terminal using a touch pad, characterized in that set by combining any number. The method of claim 1, When the written character is a Korean consonant, when the input signal for the Korean vowel is continuously received after the Korean consonant is displayed, the input data of the input signal for the Korean vowel is generated to generate data of the preset basic data table. Compare with If there is a matching data as a result of the comparison, the character input in the terminal using the touch pad, characterized in that further comprising the step of combining the input data of the Hangul consonants and the input data of the Hangul vowels Way. delete The method of claim 1, Presetting the data of the basic data table In the terminal using a touch pad, characterized in that for setting the data combining the numbers / special characters corresponding to the areas that are continuously touched in the shape of the English alphabet in the separated number and special character area Character input method. delete The method of claim 1, The data setting may be performed by combining the numbers of areas touched in the shape of the corresponding consonants with the consonants and the special characters continuously touched at a short time interval. How to enter characters in A touch pad for continuously inputting characters from the user and transmitting an input signal for the touched areas of the input characters; Preset data in a basic data table for recognizing and comparing the written characters from a user, generating input data combining a combination of numbers / special characters corresponding to the input signals of the touch area, and generating the input data. A controller which compares the data of the preset basic data table; Including the display unit for displaying a character written by the user according to the comparison result, The controller combines the numbers of areas touched continuously in the case of a character following a stroke, and the special characters or random touches continuously touched at a short time interval with the numbers of areas touched continuously in a case of a character in which a stroke is broken. Character input device in a terminal using a touch pad, characterized in that for setting the data of the basic data table by combining the numbers of. The method of claim 7, wherein The control unit divides the screen of the touch pad into an area of numbers and special characters, and the numbers / corresponding to areas continuously touched in the form of a Korean consonant and a vowel or an English alphabet in the divided numbers and special characters. Character input device in a terminal using a touch pad, characterized in that for setting the data combining the special characters to create a basic data table by database the set data. delete The method of claim 7, wherein If the Hangul consonant is a consonant consonant, the controller sets the data of the basic data table by combining the numbers of the areas touched in the shape of the corresponding consonants with the special characters continuously touched at a short time interval. Character input device in the terminal using a touch pad.

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