KR101358506B1 - Method for Inputing Notes and Communication Terminal for using the Same - Google Patents

Abstract

The present invention relates to a handwriting recognition capable handwriting input method and a mobile communication terminal using the same.

Mobile terminal, touch screen, handwriting recognition, area classification, exclusive recognition mode

Description

Handwriting input method and mobile terminal using same {Method for Inputing Notes and Communication Terminal for using the Same}

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

2 is a display screen of a touch screen of a mobile terminal according to an embodiment of the present invention.

Figure 3 is another display screen of the touch screen of the mobile terminal according to an embodiment of the present invention.

Figure 4 is another display screen of the touch screen of the mobile terminal according to an embodiment of the present invention.

5 is a flowchart of a handwriting recognition method according to another embodiment of the present invention.

6 and 7 are display screens in which the handwriting recognition method of FIG. 5 is executed on the touch screen of FIG. 4.

8 is another display screen of a touch screen of a mobile terminal according to an embodiment of the present invention.

9 is a flowchart of a handwriting recognition method according to another embodiment of the present invention.

10 and 11 are display screens in which the handwriting recognition method of FIG. 9 is executed on the touch screen of FIG. 8.

12 is a flowchart of a handwriting recognition method according to another embodiment of the present invention.

13 and 14 are still another display screen of the touch screen of the mobile terminal according to an embodiment of the present invention.

15 is a perspective view of a mobile terminal according to another embodiment of the present invention.

16 and 17 are layout views of one example of four areas of the touch screen of FIG. 15.

18 and 19 are layout views of another example of four areas of the touch screen of FIG.

20 is a system configuration diagram of a mobile terminal according to another embodiment of the present invention.

21 is a flowchart of a handwriting input method according to another embodiment of the present invention.

22 to 24 are diagrams illustrating a state of use of a mobile communication terminal to which a handwriting input method according to another embodiment of the present invention is applied.

The present invention relates to a handwriting recognition capable handwriting input method and a mobile communication terminal using the same.

A terminal capable of displaying wireless communication, voice, and video, for example, a mobile communication terminal, has been miniaturized in size to a degree that it is relatively easy to carry, It became a necessity for them.

Recently, as the rapid progress to the information society that characterizes the modern society, people's desire for information is increasing exponentially, demanding more demand and high quality and multifunctional mobile communication terminals.

In addition, in addition to functions as basic communication means, users are increasingly interested in functions that require input of letters and numbers such as e-mail, wireless Internet, and text messages.

In the conventional mobile communication terminal, a character keypad is mainly used for inputting letters or numbers, or a touch screen capable of inputting information while displaying an image.

In order to solve such a conventional problem, the present invention is to provide a handwriting input method and a mobile terminal for performing the handwriting recognition effectively.

In order to achieve the above object, the present invention provides a touch screen including a plurality of handwriting recognition areas for inputting a handwriting through a dedicated recognition mode, and information of a specific dedicated recognition mode corresponding to the handwriting input through the touch screen. It provides a mobile terminal including a control unit for controlling to output.

In another aspect, the present invention provides a step of providing a plurality of handwriting recognition area for inputting the handwriting through a dedicated recognition mode on the touch screen, an input step of receiving a handwriting through the touch screen, and the touch The present invention provides a handwriting input method comprising an output step of outputting information of a specific dedicated recognition mode corresponding to a handwriting input through a screen.

Hereinafter, a handwriting input method and a mobile terminal using the same according to embodiments of the present invention will be described in detail with reference to the accompanying drawings. The mobile terminal according to the embodiments of the present invention includes various types of mobile terminals, such as a mobile communication terminal such as a laptop, a personal digital assistant (PDA), a mobile phone, and the like. In the present specification, a mobile terminal according to an embodiment of the present invention will be described with reference to a mobile communication terminal having a communication function.

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

Referring to FIG. 1, the mobile communication terminal 10 according to an embodiment of the present invention includes a control unit 20, a memory 21, together with a touch screen type input device 115 including a touch screen 16. The wireless communication unit 22 and the audio circuit unit 23 are included. Each component is connected by a bus 24.

The input device 15 includes a touch screen 16 capable of handwriting recognition and button recognition along with a plurality of key buttons (mainly located on the side of the main body, not shown), thereby providing information through handwriting recognition and button recognition. Input is possible.

The touch screen 16 is a display function for displaying the state or various information of the mobile communication terminal 100 by a control signal output from the control unit 20, and for receiving a variety of information or commands from the user by touch. It is a touch screen that can simultaneously perform input functions.

The controller 20 controls the overall operation or function of the mobile communication terminal 10. In particular, the controller 20 may use a symbol or a character recognition algorithm stored in the memory 21 to convert a touch trajectory input through the touch screen 16, for example, a cursive, into a symbol system or a character system. To control. In another method, the controller 20 compares the handwriting input through the touch screen 16 with various handwriting recognition objects stored in the memory 21 to perform a function of recognizing the handwriting. Many handwriting recognition methods exist or exist in addition to the handwriting recognition method described above, but the present invention includes any handwriting recognition method.

The controller 20 may control to set or change a dedicated recognition mode of the touch screen 116 described above, for example, a Korean mode, an English mode, and a numeric mode. The controller 120 may perform a function of recognizing a handwriting suitable for setting or changing a dedicated recognition mode of the touch screen 116.

 The controller 20 controls to display input information input through a part of the touch screen 116 on another part of the touch screen 116.

The memory 21 stores a program for controlling the overall operation of the mobile communication terminal 10, and the data input and output when the overall operation of the mobile communication terminal 10 is performed by the control unit 20 and various kinds of processed data. Save the data.

The memory 21 may store a symbol or character recognition algorithm. Using this symbol or character recognition algorithm, the touch trajectory input through the touch screen 16 can be converted into a symbol system or character system and handled. In addition, the memory 121 may store various handwriting recognition bodies in various handwriting recognition modes. When the writing is performed on the touch screen 16, the writing recognition body corresponding to the set dedicated recognition mode is searched for and provided to the controller 20. As such, information or data necessary for the various handwriting recognition methods described above may be stored in the memory 21.

The wireless communication unit 22 transmits and receives a base station so that the mobile communication terminal 10 can wirelessly communicate with other terminals. By the wireless communication unit 22, a mobile terminal such as a laptop, a personal digital assistant (PDA), a mobile phone, or the like operates as a mobile communication terminal.

The voice circuit unit 23 outputs the speaker (spk) so that one or more of information, for example, a symbol, a letter, a figure, or a number, corresponding to a cursive input input through the touch screen 16 is output through the speaker. Provides a voice signal to The user may know whether the handwriting is recognized and the recognized information through the voice output information through the speaker (spk). As described above, the mobile terminal 10 according to an embodiment of the present invention may visually output information input through the touch screen 16, but with or separately, the information inputted separately may be sensed by hearing or taste. You can also output

In addition to the components, the mobile terminal 10 according to an embodiment of the present invention generates a broadcast receiving module capable of receiving a broadcast signal from a broadcasting network, a communication module capable of communicating with a wireless Internet network, a camera module, and vibration. It may include at least one of a vibration module and various sensors to make. In addition, the mobile terminal 10 having the touch screen according to an embodiment of the present invention may not only display information input through a part of the touch screen 16 on another part of the touch screen 16, Including a separate display device, the input information can be output together with or independently of the touch screen 16.

2 is a display screen of a touch screen of a mobile terminal according to an embodiment of the present invention.

2, in the mobile terminal 10 according to an embodiment of the present invention, the screen of the touch screen 16 is located in front. By the control signal of the controller 114, the touch screen 16 may display a specific screen, for example, a background screen. The background screen may include an area 30 in which a function icon indicating a function is displayed and an area 40 in which the function icon is not displayed.

For example, the area 30 on which the function icon is displayed may be a function icon 31 for entering a menu, a function icon 32 for entering a phone call function, and a message transmission / reception function as shown in FIG. The function icon 33 for entering and the function icon 44 for displaying the information displayed on the touch screen 16 in an enlarged manner may be displayed.

The area 40 in which the function icon is not displayed may include an indicator area 50 for displaying the current state of the mobile terminal 100 according to an embodiment of the present invention. For example, the indicator area 50 may include an indicator 51 indicating the strength of a signal received through the wireless communication unit 22, an indicator 52 indicating reception of a message, an indicator 53 indicating whether vibration is set, At least one of the indicator 54 indicating the remaining battery level and the current time 55 may be displayed.

Figure 3 is another display screen of the touch screen of the mobile terminal according to an embodiment of the present invention.

Referring to FIG. 3, in response to a control signal of the controller 20, the touch screen 16 may display a specific screen, for example, a message input screen. For example, the message input screen can be displayed on the touch screen 16 since the touch input of the function icon 33 for entering the message transmission / reception function of FIG. 2.

The message input screen displayed on the touch screen 16 includes a key button area 41 including a plurality of key buttons for inputting buttons, and key buttons for selecting backspace, space, common phrase, etc. The special key area 42, the information displayed by the touch of the key buttons, for example, an information display area 43 on which letters, numbers, special characters, etc. are displayed, and a plurality of menu key buttons 44, 45. It may include.

The message input screen shown in FIG. 3 can provide the same environment through the touch screen 16 as the environment for composing a message using a general key button. Accordingly, the user can use the key button areas 41 and 42, the information display area 43, and the menu key buttons 44 and 45 displayed on the touch screen 16 in the same manner as using a mechanical key button. You can write

Figure 4 is another display screen of the touch screen of the mobile terminal according to an embodiment of the present invention.

Referring to FIG. 4, in response to a control signal of the controller 20, the touch screen 16 may display a specific screen, for example, another message input screen. For example, the message input screen may be a screen entered by selecting one of menus for switching a message input method on the message input screen of FIG. 3. As another example, the message input screen may be a screen initially displayed on the touch screen 16 since the touch input of the function icon 33 for entering the message transmission / reception function of FIG. 2 is performed.

The message input screen displayed on the touch screen 16 includes a special key area 42 including key buttons for selecting a backspace, a space, a common phrase, and a plurality of menu key buttons 44 and 45. In addition, it may include a handwriting recognition area 46 for handwriting recognition using a finger or an illustrator pen.

In particular, the handwriting recognition area 46 is divided into four handwriting recognition areas 46a to 46d adjacent to each other. The four handwriting recognition areas 46a to 46d are each set to a specific dedicated recognition mode, for example, a Korean recognition mode, a numeric recognition mode, an uppercase English recognition mode, and a lowercase recognition mode. In each of the handwriting recognition areas 46a to 46d, an identifier indicating each dedicated recognition mode, for example, "a", "1", "A", and "a" 47a to 47d is displayed. The user can know the dedicated recognition mode set in each of the handwriting recognition areas 46a to 46d through these identifiers ("ga", "1", "A", "a") 47a to 47d.

The four handwriting recognition areas 46a to 46d may be set to other dedicated recognition modes different from those described above by default, or may be changed to another dedicated recognition mode. For example, when the mobile terminal 10 according to an embodiment of the present invention is sold to Japanese people, the four handwriting recognition areas 46a to 46d are by default a Japanese recognition mode, a numeric recognition mode, and a case letter in English. The recognition mode may be set.

The user writes a message in the same manner as writing a hand by hand using the information display area 43, the menu key buttons 44 and 45, and the handwriting recognition area 46 displayed on the touch screen 16. Can be.

Among the four handwriting recognition areas 46a to 46d, the handwriting recognition area 46a at the upper left may be set to a dedicated recognition mode with a high frequency of use, for example, when the Korean mainly uses it.

The areas of the four handwriting recognition areas 46a to 46d are set to a specific size by default, but may be changed. In this case, the areas of the four handwriting recognition areas 46a to 46d may be changed by, for example, dragging each boundary line, or a separate menu screen displayed by touching the menu button 44 may be used.

The handwriting recognition methods through the handwriting recognition area 46 of the touch screen 16 basically use a symbol or character recognition algorithm stored in the controller 20 and the memory 21 described above. One of the handwriting recognition methods through the handwriting recognition area 46 of the touch screen 16 will be described with reference to FIG. 5.

5 is a flowchart of a handwriting recognition method according to another embodiment of the present invention.

4 and 5, in the handwriting recognition method 70 according to another embodiment of the present invention, four handwriting recognition areas 46 are displayed on the touch screen 16 as shown in FIG. 4. Start with (S70).

Next, when the user touches the handwriting on the touch screen 16 using a finger or an illustrator pen, the handwriting is input through the touch screen 16 (S72).

Next, the start position of the input cursive among the four handwriting recognition areas 46a to 46d is checked (S74). Specifically, step S73 is a step of checking whether the input handwriting is started from any one of the four handwriting recognition areas 46a to 46d.

Next, the handwriting inputted in the dedicated recognition mode set in the handwriting recognition area of the corresponding start position is recognized (S76).

Next, the recognized handwriting is displayed on the information display area 43 of the touch screen 16 (S78). At this time, the recognized handwriting is displayed on the information display area 43 of the touch screen 16 and is output as a voice through the speaker (spk) using the voice output unit 23 or output only as a voice through the speaker (spk). May be

In addition, it is determined whether the cursive is input through the touch screen 16 (S80). If the handwriting is additionally input through the touch screen 16, the steps S76, S78, and S80 are repeated. As a result, it is possible to recognize the handwriting input in the dedicated recognition mode set in the handwriting recognition area of the start position of the first input handwriting.

For example, as shown in FIG. 6, if the handwriting input in step S74 is started in the upper left area 46a set to the Korean recognition mode, not only the input handwriting but also through the steps S76, S78 and S80 The input handwriting is also recognized as the Korean recognition mode regardless of the input handwriting recognition area.

For example, as shown in FIG. 7, if the cursive input in step S74 is started in the upper right area 46b set to the numeric recognition mode, the cursive inputs next through S76, S78, and S80 are performed. In addition, regardless of the input handwriting recognition area is recognized in the numeric recognition mode. In this way, the handwriting inputted in the dedicated recognition mode set in the handwriting recognition area of the input start position can be recognized, and thus it is possible to continuously write using a wide handwriting recognition area while maintaining a high recognition rate.

In order to use the handwriting recognition area most widely, a dedicated recognition hair with a high frequency of use may be set in the handwriting recognition area 46a on the upper left side among the four handwriting recognition areas 46a to 46d. For example, if the Korean is mainly used, the handwriting recognition area 46a on the upper left side may be set to the default in the Korean recognition mode. When mainly used by Americans, the upper left handwriting recognition area 46a may be set in a lower case English recognition mode by default.

For another example, when inputting a telephone number, the handwriting recognition area 46a on the upper left side may be set to a folded state in the number recognition mode.

8 is another display screen of a touch screen of a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 8, the touch screen 16 may display a specific screen, for example, another message input screen by a control signal of the controller 20. For example, the message input screen may be a screen entered by selecting one of menus for switching a message input method on the message input screen of FIG. 3. As another example, the message input screen may be a screen initially displayed on the touch screen 16 since the touch input of the function icon 33 for entering the message transmission / reception function of FIG. 2 is performed.

The message input screen displayed on the touch screen 16 includes a special key area 42 including key buttons for selecting a backspace, a space, a common phrase, and a plurality of menu key buttons 44 and 45. Together, a handwriting recognition area 48 for handwriting recognition using a finger or an illustrator pen and an identifier indicating each dedicated recognition mode in the form of a button, for example, "a", "1", "A", and "a". 49a to 49d, the recommended information display area 50 is displayed.

The handwriting recognition area 48 of FIG. 8 is divided into two handwriting recognition areas 48a and 48b adjacent to each other. The two handwriting recognition areas 48a and 48b are set to the same dedicated recognition mode, and the set dedicated recognition mode includes an identifier button of a corresponding dedicated recognition mode among the four identifier buttons 49a to 49d. 49a is indicated to be distinguished from other identifier buttons 49b to 49d. At this time, the identifier buttons 49a to 49d of the dedicated recognition mode may be displayed in the form of an icon.

The recommendation information display area 50 displays recommendation information, for example, recommendation handwritings, together with information corresponding to the handwriting input through the handwriting recognition area 48.

Since the two handwriting recognition areas 48a and 48b touch one of the identifier buttons 49a to 49d, the recognition mode is changed to a dedicated recognition mode corresponding to the touched identifier buttons.

One of the handwriting recognition methods through the handwriting recognition area 48 of the touch screen 16 of FIG. 8 will be described with reference to FIG. 9.

8 and 9, the handwriting recognition method 80 according to another embodiment of the present invention includes two handwriting recognition areas 48 and dedicated recognition on the touch screen 16 as shown in FIG. 8. The identifier button or icon of the mode is started to be displayed (S82).

Next, when a user inputs a handwriting to the touch screen 16 using a finger or an illustrator pen, the handwriting is input through one of two handwriting recognition areas 48a and 48b of the touch screen 16 (S84). ).

Next, the handwriting input in the dedicated recognition mode set in the two handwriting recognition areas 48a and 48b is recognized (S86).

Next, the recognized handwriting is displayed on the information display area 43 of the touch screen 16 (S88). At this time, the recognized handwriting is displayed on the information display area 43 of the touch screen 16 and is output as a voice through the speaker (spk) using the voice output unit 23, or only as a voice through the speaker (spk). May be

In addition, it is determined whether a handwriting is input through the touch screen 16 (S89). If the handwriting is further input through the touch screen 16, the steps S84, S86, S88, and S89 are repeated. As a result, it is possible to continuously recognize the writings input through the two writing recognition areas 48a and 48b set to the same dedicated recognition mode.

For example, as shown in FIG. 10, when Korean, for example, "ga" and "me" is input to the left and right regions 48a and 48b set to the Hangul recognition mode in the repeated S84 steps, S86 and S88. In operation S89, the information input through the left and right handwriting recognition areas 48a and 48b, for example, “a” and “b” may be continuously recognized and displayed. At this time, the user may be aware of the dedicated recognition mode currently set in the handwriting recognition area 48 or may change the recognition mode to another dedicated recognition mode by touching another identifier button.

As another example, as shown in FIG. 11, when numbers, for example, "1" and "g" are input to the left and right regions 48a and 48b set to the number recognition mode in the repeated S84 steps, S86. And through the steps S88 and S89, the handwriting input through the left and right handwriting recognition areas 48a and 48b may be continuously recognized and displayed.

In this example, the lowercase English letter "g" is input to the right side area 48b, but because the right side area 48b is set to the number recognition mode, the number "9" is recognized. In this example, the speed of continuous handwriting is set because the same dedicated recognition mode is set in the two handwriting recognition areas 48a and 48b, regardless of whether the user attempts to enter the lowercase letter "g" or the number "9". Can improve.

12 is a flowchart of a handwriting recognition method according to another embodiment of the present invention.

8 and 12, the handwriting recognition method 90 according to another embodiment of the present invention starts by receiving a handwriting through the handwriting recognition area 48 of the touch screen 16 shown in FIG. 8. (S90).

Next, the recommended writings along with the recognized writing are displayed on the recommendation information display area 50 of the touch screen 16. Of course, if there is only one recommendation handwriting, only one recommendation handwriting is displayed, but if more than one recommendation handwriting, a plurality of recommended handwritings are sequentially displayed in order of high similarity.

Next, it is determined whether one of the recommended handwriting is selected by the touch through the touch screen 16 (S96).

If one of the recommended handwriting is touched through the touch screen 16, the recognized handwriting is replaced with the selected handwriting (S98). At this time, if the cursive is replaced, the recommended cursives may disappear, but steps S96 and S98 may be repeated while waiting for replacement of the cursive for a predetermined time.

13 and 14 are still other display screens of a touch screen of a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 13, the display screen of the touch screen 16 of the mobile terminal 10 does not have a separate writing recognition area, and the special key area 42, many of the same as the display screen of the other touch screen 16. Menu key buttons 44 and 45, and identifier buttons 49a to 49d for identifying a dedicated recognition mode.

In this case, the handwriting input uses the entire display screen of the touch screen.

Referring to FIG. 14, the display screen of the touch screen 16 of the mobile terminal 10 includes a keyboard area 41 ′ including a plurality of key buttons for inputting a button, a backspace, a space, a commercial phrase, and the like. Special key area 42 including selectable key buttons, information input by touch of key buttons, information display area 43 for displaying letters, numbers, special characters, etc., a plurality of menu key buttons It may include the (44, 45). The display screen of the touch screen 16 of the mobile terminal 10 shown in FIG. 14 is the same type and number of keys as the computer keyboard instead of the display screen and key button area 41 of the touch screen 16 shown in FIG. It differs in that it includes a keyboard area 41 'containing buttons.

Since the key buttons of the keyboard area 41 'of the touch screen 16 shown in FIG. 14 are used, letters, numbers, and the like can be input in the same manner as a computer keyboard.

15 is a perspective view of a mobile terminal according to another embodiment of the present invention.

Referring to FIG. 15, the mobile terminal 100 according to another embodiment of the present invention includes a cover unit 114 having a display unit 112, a touch screen input unit 115, and a cover unit 114. It has a axially connected body portion 118.

The display unit 112 displays various images such as a menu screen, a video, and a still image of the mobile terminal 10. The display unit 112 may be configured with various light emitting display devices such as a liquid crystal display (LCD), an organic light emitting device (OLED), an electroluminescent device (LED), and the like. In particular, the display 112 displays the handwriting recognition handwriting recognition body, for example, a letter or a number.

The input unit 115 includes a touch screen 116 capable of handwriting recognition along with a plurality of key buttons, so that information input is possible through handwriting recognition. In this case, when the touch screen 116 is switched to the handwriting recognition mode, the touch screen 116 includes two large areas 116a and 116c and two small areas 116b and 116d disposed at the lower left and right corners of the large areas 116a and 116c. Display. The exclusive recognition mode of the handwritten text that is often input is set in the large areas 116a and 116c, and the exclusive recognition mode of the handwritten text that is not input much is set in the small areas 116b and 116d. As a result, the size of the area is divided according to the frequency of use, so that the user can easily input the handwriting, and a dedicated recognition mode for recognizing can be set to improve the recognition rate and the recognition speed.

The four areas 116a to 116d of the touch screen 116 are set to be handwritten in Korean, English lowercase letters, numbers, and English uppercase recognition modes, respectively. Dedicated recognition mode of the touch screen 116 is set by manually inputting the mode of each area in advance, or set to a dedicated recognition mode of any one of letters, numbers, special characters, and special symbols recognized at the time of initial writing, or dedicated A dedicated recognition mode may be set by dragging and dropping an icon representing a recognition mode, may be set by a specific dedicated key button or a key button input in a specific mode state, or may be set by writing on the touch screen 116. have.

Therefore, when one of the four areas 116a to 116d of the touch screen 116 is written using the star illustrator pen, the recognition unit recognizes the handwriting recognition body corresponding to the preset handwriting recognition mode. Which handwriting recognition mode is recognized in the handwriting when two or more of the four areas 116a to 116d of the touch screen 116 are written will be described in detail below.

On the other hand, when entering the dedicated recognition mode described above, the four areas 116a to 116d of the touch screen 116 have a letter or number indicating a dedicated recognition mode capable of handwriting recognition on the upper right or left corner (a, , 1, A) is displayed. The user can easily know through which letters or numbers (a, 1, A) the four areas 116a to 116d of the touch screen 116 can be handwritten recognition in which exclusive recognition mode. On the other hand, since the letters and numbers ((a, 1, A) of the four areas 116a to 116d of the touch screen 116 are dragged and dropped into other areas, the dedicated recognition modes of both areas may be changed or switched). have.

16 and 17 are layout views of one example of four areas of the touch screen of FIG. 15.

Referring to FIG. 16, two small areas 116b and 116d disposed at left and right bottom corners are displayed in two large areas 116a and 116c of the touch screen 116. Four areas 116a to 116d of the touch screen 116 display letters or numbers (a, 1, A) indicating a dedicated recognition mode capable of handwriting recognition on the upper right corner.

In addition, referring to FIG. 17, the four areas 116a to 116d of the touch screen 116 may change a dedicated recognition mode capable of handwriting recognition, and letters or numbers indicating the changed dedicated recognition mode (a, a, 1). , A) may be displayed on the upper right corner.

18 and 19 are layout views of another example of four areas of the touch screen of FIG.

18 and 19, the four regions 116a ′ through 116 d ′ of the touch screen 116 have the same size, and the four regions 116a ′ can be seen by comparing FIGS. 18 and 19. To 116d ') may also be changed. When evenly using the dedicated recognition modes set in the four areas 116a 'to 116d', it is preferable to make the size the same.

On the other hand, the size of the four areas 116a 'to 116d' of the touch screen 116 may be adjusted by dragging a border line or area that means or divides the handwriting recognition area. When the handwriting frequently input is changed in the handwriting recognition process, the size of the four regions 116a 'to 116d' is adjusted to improve the convenience of the handwriting input. The four areas 116a ′ to 116d ′ of the touch screen 116 may allocate a handwriting recognition area or its size by arbitrarily dividing an area through a touch of the touch screen 116.

20 is a system configuration diagram of a mobile terminal according to another embodiment of the present invention.

Referring to FIG. 20, the mobile terminal 10 according to another embodiment of the present invention includes a control unit 120 together with a touch screen type input unit 115 including a display unit 112 and a touch screen 116. The memory 121, the wireless communication unit 122, and the voice circuit unit 123 are included.

The controller 120 controls the overall operation or function of the mobile communication terminal 10. In particular, the controller 120 compares the handwriting input through the touch screen 116 with various handwriting recognition bodies stored in the memory 121 and performs a function of recognizing the handwriting.

In addition, the controller 120 may control to set or change the dedicated recognition modes of the four areas 116a to 116d of the touch screen 116 described above. The controller 120 may perform a function of recognizing a handwriting suitable for setting or changing the dedicated recognition modes of the four areas 116a to 116d.

The memory 121 stores various handwriting recognition objects in various handwriting recognition modes. In the case of writing in four areas 116a to 116d of the touch screen 116, the writing recognition body corresponding to the set dedicated recognition mode is searched and provided to the controller 120. In addition, the controller 34 controls the display unit 112 to display the input information input through the touch screen 116 of the input unit 115 as an appropriate image.

The wireless communication unit 122 transmits and receives a base station to allow the mobile communication terminal 10 to wirelessly communicate with other terminals.

The voice circuit unit 123 provides a voice signal to the speaker spk to output the recognized handwriting recognition body of the touch screen 116 through the speaker spk. The user may know whether the handwriting is recognized and the recognized handwriting through the handwriting recognition body that is output through the speaker (spk).

21 is a flowchart of a handwriting input method according to an embodiment of the present invention, and FIGS. 22 to 24 are state diagrams of a mobile communication terminal using the handwriting input method according to an embodiment of the present invention.

21 and 22 to 24, handwriting recognition according to another embodiment of the present invention first places a small area of the touch screen 116 in a large area (S10), and then writes each area. The recognition only recognition mode is set in various ways as described above (S11).

Referring to FIGS. 21 and 22, when the user writes Hangul “ga” on the touch screen 116 using the star illustrator pen (S12), it is determined whether the two regions 116a and 116b are overwritten. (S14). If the two areas 116a and 116b are overwritten, the handwriting is recognized in the exclusive recognition mode of the large area (S16). The recognized handwriting recognition object is displayed on the display unit 112 (S18). If there is no Hangul corresponding to the corresponding recognition mode, for example, the Hangul only recognition mode, the most similar Hangul is sequentially recommended according to the similarity.

Next, if the two areas 116a and 116b are not overwritten, it is determined whether the large area 116a is written (S20). If only the large area 116a is written, the handwriting is recognized in the exclusive recognition mode of the large area (S16). The recognized handwriting recognition object is displayed on the display unit 112 (S18). In addition, the handwriting recognition object recognized through the speaker spk may be output.

21 and 23, when written in the small area 116b, the handwriting is recognized in a dedicated recognition mode of the small area 116b, for example, the English small letter “a” (S22). The recognized handwriting recognition object is displayed on the display unit 112 (S18). Similarly, the handwriting recognition object recognized through the speaker spk may be output.

21 and 24, the large area 116c and the small area 116d on the right side are also handwritten in the same process as described above. Specifically, when handwriting is input overly overlapping the large area 116c and the small area 116d, it is recognized as a dedicated recognition mode of the large area 116c, for example, a number, and the recognized handwriting recognition object is displayed on the display 112. (S18). Similarly, the handwriting recognition object recognized through the speaker spk may be output.

Although not shown in the drawing, when writing over three or more areas of the four areas 116a to 116d of the touch screen 116 or overwriting the same size, for example, left and right upper sides 116a and 116c, a certain recognition mode may be used. It is also possible to recognize handwriting for the entire handwriting recognition mode without predetermine whether to recognize it or as a dedicated recognition mode.

The embodiments of the present invention described above have the effect of increasing the writing recognition rate by minimizing the object of the writing recognition by setting a dedicated recognition mode on the touch screen in advance. In addition, the embodiments of the present invention have the effect of improving the speed of handwriting recognition and simplifying the handwriting recognition process.

In the above, embodiments of the present invention have been described with reference to the drawings, but the present invention is not limited thereto.

In the above embodiments, a mobile communication terminal mainly used for a wireless call has been described as an example, but the present invention may be an information appliance other than the mobile communication terminal, or an audio or video device such as a PDA or an MP3P.

In the above embodiments, it has been described that one example of the touch input device is a touch screen, but the present invention is not limited thereto. The touch input device includes not only a touch screen but also all kinds of touch input devices of the present or future that can be input by touching a surface such as a touch pad.

In the above embodiment, the cover portion has been described with a mobile communication terminal axially rotated to the main body for example, the present invention is a type or structure of a mobile communication terminal, such as a folding type, swing type, slide type, pull type, bar type, hinge type It is not limited to.

In the above embodiment, the display unit of the cover unit is composed of the light emitting display devices to display only the image, the input unit of the main body portion has been described as including a touch screen, the display unit also has the same handwriting recognition touch of the input unit touch screen It may also include a screen. In this case, the handwriting may be recognized on the touch screens of the display unit and the input unit. The same recognition mode described above may be applied to the display unit and the input unit.

In the above embodiment, it has been described that the handwriting recognition in some cases when two or more handwriting recognition areas are handwritten, but the present invention is not limited thereto. For example, when handwritten in two or more handwriting recognition areas, handwriting recognition may be performed according to a priority or priority of a predetermined dedicated recognition mode. Of course, this priority or priority may be changed or removed by the user.

In the above embodiment, some methods for setting the dedicated recognition mode or switching between the dedicated recognition modes have been described by way of example, but the present invention is not limited thereto. For example, there are dedicated key buttons for the handwriting recognition mode, so that the dedicated recognition mode can be set or switched between the dedicated recognition modes by the key operation of the dedicated key buttons.

In the above embodiment, it has been described that one display unit is formed in the cover unit, but display units are formed in the cover unit and the main body unit, respectively, to display images or function as an input device including a touch screen.

In the above embodiment, the touch screen is described as having two or four regions, but the number of regions may be changed as necessary. The size of the region can also be arbitrarily adjusted or set. For example, if you draw a specific area with a pen, you can set, change, or cancel the exclusive recognition mode by the method described above.

In the above embodiment, only the Korean and English capital letters and numbers as an exclusive recognition mode, for example, special characters such as foreign languages or ancient languages such as French or German, may be special symbols such as asterisks or direction keys.

In the above embodiment, all of the handwriting on the touch screen has been described as handwriting recognition, but if the handwriting on the touch screen is not recognized or the recognition rate is low, the candidate handwriting recognition objects are displayed in the order of high similarity. It may be recommended to the user to allow the user to select or rewrite one of the candidate's handwriting recognition bodies.

In the above embodiment, the handwriting on the touch screen has been described as handwriting recognition in various ways. On the other hand, after writing the handwriting on the touch screen is recognized by a variety of methods and if there is no other form of input for a certain time may move to the next item. For example, if a name input item is handwritten on the touch screen and is recognized by various methods and no additional handwriting is taken for a certain time, the cursor automatically moves to the phone number item and waits for input. have. In addition, if the input is moved, that is, dragged for a predetermined time on the touch screen may be recognized as multiple input. As such, when the input is interrupted or the input moves for a predetermined time, the present invention can perform a specific function, operation, or event.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention may be embodied otherwise without departing from the spirit and scope of the invention. Therefore, the present invention should not be limited by the above-described embodiments and the accompanying drawings, but should be interpreted in support of the claims.

As described above, the present invention has the effect of effectively performing handwriting recognition.

Claims (28)

A touch screen having a plurality of handwriting recognition areas for inputting handwriting through a dedicated recognition mode; And a control unit for controlling to output information of a dedicated recognition mode corresponding to the handwritten object input through the touch screen. The method of claim 1, Each of the plurality of handwriting recognition areas may have a different dedicated recognition mode setting. The outputting dedicated recognition mode is a mobile terminal, characterized in that the dedicated recognition mode of the handwriting recognition area belonging to the start position of the handwriting input. The method of claim 1, At least two areas of the plurality of handwriting recognition areas can each have the same dedicated recognition mode setting. The controller may control to output, through the touch screen, information of the same dedicated recognition mode corresponding to the handwriting inputted through the handwriting recognition areas set in the same dedicated recognition mode. The method of claim 1, The controller may further output recommended information together with the output information through the touch screen, and when one of the recommendation information is selected through the touch screen, the output information is replaced with the selected information to replace the touch screen. Mobile terminal, characterized in that for controlling to output through. 3. The method of claim 2, And a dedicated recognition mode of the left or upper left handwriting recognition area among the plurality of handwriting recognition areas is set to a default based on the frequency of use of the dedicated recognition mode. 5. The method according to any one of claims 1 to 4, The information in the dedicated recognition mode is a mobile terminal, characterized in that one or more of a symbol, a character, a figure. 5. The method according to any one of claims 1 to 4, The number of the plurality of handwriting recognition areas may be preset and changed. 5. The method according to any one of claims 1 to 4, The plurality of handwriting recognition areas of the mobile terminal, characterized in that the first handwriting recognition recognition mode is set as a dedicated recognition mode according to a handwriting input. 5. The method according to any one of claims 1 to 4, The handwriting recognition area belonging to the start position of the handwriting input is a mobile terminal, characterized in that the first handwriting recognition recognition mode is set as a dedicated recognition mode according to the handwriting input. 5. The method according to any one of claims 1 to 4, The plurality of handwriting recognition areas are mobile terminals, characterized in that the dedicated recognition mode is set by dragging and dropping an icon representing a dedicated recognition mode, key input of a key button, or touch input of the touch screen. 5. The method according to any one of claims 1 to 4, A mobile terminal, characterized in that different sizes of the plurality of handwriting recognition area. 5. The method according to any one of claims 1 to 4, And an identifier representing the dedicated recognition mode is displayed in the plurality of handwriting recognition areas. 5. The method according to any one of claims 1 to 4, The icon is displayed on the touch screen, The control unit controls to display a screen for selecting at least one of a special character, a special symbol, and a special shape based on an input of touching the icon. 14. The method of claim 13, The touch screen further displays a backspace button and a space button, The control unit, when the backspace button and the space button is selected through the touch screen, the mobile terminal, characterized in that for controlling to move back and forth the cursor position of the input writing. Providing a plurality of handwriting recognition areas on the touch screen for inputting the handwriting through a dedicated recognition mode; An input step of receiving a handwriting through the touch screen; And an output step of outputting information of a dedicated recognition mode corresponding to the handwriting input through the touch screen. 16. The method of claim 15, Each of the plurality of handwriting recognition areas may have a different dedicated recognition mode setting. The output information of the dedicated recognition mode is a handwriting input method, characterized in that the dedicated recognition mode of the handwriting recognition area belonging to the start position of the handwriting input. 16. The method of claim 15, At least two areas of the plurality of handwriting recognition areas can each have the same dedicated recognition mode setting. And in the outputting step, outputting information of the same dedicated recognition mode corresponding to the continuously inputted writing objects through the handwriting recognition areas set to the same dedicated recognition mode. 16. The method of claim 15, In the outputting step, the recommendation information is additionally output together with the input handwriting, and if one of the recommendation information is selected through the touch screen, the information already output is replaced with the selected recommendation information. . 16. The method of claim 15, And a dedicated recognition mode of the left or left upper handwriting recognition area among the plurality of handwriting recognition areas is set to a default based on the frequency of use of the dedicated recognition mode. 16. The method of claim 15, Handwriting input method, characterized in that the number of the plurality of handwriting recognition area is preset and can be changed. 19. The method according to any one of claims 15 to 18, The information in the dedicated recognition mode is one or more of a symbol, a character, a figure, or a handwriting input method. 19. The method according to any one of claims 15 to 18, The plurality of handwriting recognition areas, the handwriting input method characterized in that the first handwriting recognition recognition mode is set as a dedicated recognition mode according to the handwriting input. 19. The method according to any one of claims 15 to 18, And a handwriting recognition area belonging to a start position of the handwriting input is set to a recognition mode in which the first handwriting recognition mode is first set according to the handwriting input. 19. The method according to any one of claims 15 to 18, The plurality of handwriting recognition areas, the handwriting input method characterized in that the dedicated recognition mode is set by dragging and dropping an icon representing a dedicated recognition mode, key input of a key button, or touch input of the touch screen. 19. The method according to any one of claims 15 to 18, Handwriting input method, characterized in that the size of the plurality of handwriting recognition area is different. 19. The method according to any one of claims 15 to 18, And an identifier representing the dedicated recognition mode is displayed in the handwriting recognition area. 19. The method according to any one of claims 15 to 18, The icon is displayed on the touch screen, And in the outputting step, displaying a screen on which at least one of a special character, a special symbol, and a special shape is selected based on an input of touching the icon. 27. The method of claim 26, The touch screen further displays a backspace button and a space button, And in the outputting step, when the backspace button and the space button are selected through the touch screen, the cursor positions of the input handwriting are moved back and forth, respectively.

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