KR101591522B1 - Method for displaying text and mobile terminal thereof - Google Patents

Abstract

The method includes displaying a text on a touch screen and automatically displaying a text of a predetermined range centered on the one area of the touch screen when the touch screen is touched by a pointing device, And a mobile terminal to which the method is applied.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method of displaying text on a mobile terminal,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a text display method in a mobile terminal for allowing a user to easily check a text and a mobile communication terminal using the same.

The terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the terminal is a mobile terminal or not. The mobile communication terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile communication terminal.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. .

In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

Due to the limitation of the size of the display unit of the mobile communication terminal, the user is having difficulty in checking displayed characters, icons, and the like.

The present invention provides a text display method in a mobile terminal and a mobile communication terminal to which the text display method can be applied.

According to another aspect of the present invention, there is provided a method of displaying text on a mobile communication terminal, the method comprising the steps of: displaying text on a touch screen; and touching one area of the touch screen by a pointing device, And enlarged and displayed.

Here, when one area of the touch screen is touched by the pointing device, the text of the predetermined range is automatically enlarged and displayed with the one area being the center, when the pointing device is touched and dragged on the touch screen And the step of automatically enlarging and displaying the text in the touch dragged area.

Here, the text display method may further include changing and displaying the text according to a page change signal of the text. When the pointing device is touch-dragged on the touch screen, The step of automatically enlarging and displaying the text in the dragged area includes modifying the text in the touch dragged area based on the changed text.

Here, when one area of the touch screen is touched by the pointing device, the step of automatically enlarging and displaying the text of the predetermined range centering on the one area may further include displaying a magnifying icon on each line of the text, When the enlarge icon is selected, the text is automatically enlarged and displayed on the corresponding line.

The mobile communication terminal according to the present invention is characterized in that when one area of the touch screen is touched by a touch screen and a pointing device configured to display text, And a control unit for controlling the control unit.

When the pointing device is touched and dragged on the touch screen, the control unit controls the text in the touch dragged area to be changed and displayed.

Here, the control unit displays a magnifying icon on each line of the text, and automatically enlarges and displays the text on the corresponding line when the magnifying icon is selected.

According to the present invention having the above-described configuration, the user can conveniently check the text in the mobile communication terminal.

Hereinafter, a mobile communication terminal according to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile communication terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), navigation and the like. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, or the like, except in a case where the configuration is applicable only to a mobile communication terminal.

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

The mobile communication terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in Fig. 1 are not essential, and a mobile communication terminal having more or fewer components than those shown in Fig. 1 may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile communication terminal 100 and the wireless communication system or between the mobile communication terminal 100 and the network in which the mobile communication terminal 100 is located . For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only (DVF-H) And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be embedded in the mobile communication terminal 100 or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, etc. may be used for short range communication technology.

The position information module 115 is a module for acquiring the position of the mobile communication terminal, and a representative example thereof is a GPS (Global Position System) module.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes an image frame such as a still image or moving image obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the position of the mobile communication terminal 100 such as the open / close state of the mobile communication terminal 100, the position of the mobile communication terminal 100, the presence of the user, the orientation of the mobile communication terminal, And generates a sensing signal for controlling the operation of the mobile communication terminal 100. For example, when the mobile communication terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

The output unit 150 is for generating output related to the visual, auditory or tactile sense and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

The display unit 151 displays (outputs) information processed in the mobile communication terminal 100. For example, when the mobile communication terminal is in the call mode, a UI (User Interface) or GUI (Graphic User Interface) related to the call is displayed. When the mobile communication terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received image, UI, and GUI are displayed.

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), a flexible display display, and a 3D display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

According to the embodiment of the mobile communication terminal 100, two or more display units 151 may exist. For example, in the mobile communication terminal 100, a plurality of display units may be spaced apart from one another or integrally disposed, or may be disposed on different surfaces.

(Hereinafter, referred to as a 'touch screen') in which a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') form a mutual layer structure, It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile communication terminal or in the vicinity of the touch screen, which is enclosed by the touch screen 151. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. When the touch screen 151 is electrostatic, it is configured to detect the proximity of the pointer by a change of the electric field along the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, an operation of recognizing that the pointer is positioned on the touch screen 151 without touching the pointer on the touch screen 151 is referred to as "proximity touch "Quot; and the act of actually contacting the pointer on the touch screen 151 is called "contact touch. &Quot; The location where the pointer is proximately touched on the touch screen 151 means a position where the pointer vertically corresponds to the touch screen 151 when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile communication terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile communication terminal 100. Examples of events generated in the mobile communication terminal include a call signal reception, a message reception, a key signal input, and a touch input. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. At least two haptic modules 154 may be provided according to the configuration of the mobile communication terminal 100.

The memory 160 may store a program for the operation of the controller 180 and may store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibrations and sounds of various patterns output when the touch screen 151 is touched. The memory 160 is a concept including a buffer for temporarily storing data.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile communication terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile communication terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile communication terminal 100 or allows data in the mobile communication terminal 100 to be transmitted to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile communication terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM) (Universal Subscriber Identity Module, USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the mobile terminal 100, or various command signals input by the user to the cradle may be transmitted It can be a passage to be transmitted to the terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile communication terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen 151 as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of a processor, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, The embodiments described may be implemented by the control unit 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

2A is a perspective view of a mobile communication terminal or a mobile communication terminal according to an embodiment of the present invention.

The disclosed mobile communication terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding a synthetic resin or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101 have.

The camera 121 is disposed at a portion recessed from the main surface of the front case 101. A view angle adjusting means for monitoring the main surface of the front case 101 is disposed at one side of the camera 121. The angle-of-view adjusting means may be a reflecting surface 101-1 disposed on one side of the front case 101 in which the camera is installed, and the reflecting surface may be a portion formed to be inclined toward the touch screen 151. [

The display unit 151 occupies most of the main surface of the front case 101. An audio output unit 151 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102. [

The user input unit 130 is operated to receive a command for controlling the operation of the mobile communication terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents inputted by the first or second operation unit 131 or 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

2B is a rear perspective view of the mobile communication terminal shown in FIG. 2A.

Referring to FIG. 2B, a camera 121 'may be further mounted on the rear surface of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to the camera 121 (see FIG. 2A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for talking and the like, a broadcast signal reception antenna 116 may be additionally disposed on the side of the terminal body. The antenna 116, which forms part of the broadcast receiving module 111 (see FIG. 1), can be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the mobile communication terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and the touch screen may be disposed on the rear case 102 as well.

The touch pad 135 operates in correlation with the display portion 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

It is assumed that the display unit 151 is the touch screen 151 in the following embodiments.

3 is a flowchart illustrating a text display method according to an embodiment of the present invention.

As shown, the controller 180 displays the text on the touch screen 151 according to the user's selection (S10). The pointing device may be an object such as a finger, a pen, or the like. The user touches one area of the touch screen 151 using the pointing device (S11). The one area may be a portion of the text to be changed. The controller 180 automatically enlarges and displays the text of the predetermined range around the one area (S12). The preset range may be set based on at least one of a predetermined number of words, lines, sentences, or windows having a predetermined size. For example, if the preset range is five words corresponding to the right side of the one area, the controller 180 enlarges and displays five words corresponding to the right area around the one area. Alternatively, the control unit 180 may reduce text other than the five words. A specific method of this will be described later with reference to FIGS. 4 to 6 below.

FIG. 4 is an image diagram for explaining a text display method in a mobile communication terminal according to the present invention.

According to the selection of the user, the control unit 180 displays the text on the touch screen 151 (see Fig. 4 (a)). The user touches one area 40 of the touch screen 151 using a pointing device. When one area is touched, the control unit 180 automatically enlarges and displays the text of the predetermined range 41 about the one area (refer to FIG. 4B). The default setting range 41 may be preset as a default value or may be preset by the user through the setting range menu.

Accordingly, according to the text display method in the mobile terminal according to the present embodiment, the user can easily recognize a desired text portion by displaying the text portion that the user wants to check differently from other portions.

FIG. 5 is a diagram for explaining a text display method in a mobile communication terminal according to a second embodiment of the present invention.

According to the user's selection, the control unit 180 displays the text on the touch screen 151 (see FIG. 5A). The user touches one area 50 by touching and dragging the touch screen 151 using a pointing device (see FIG. 5 (b)). At this time, the controller 180 automatically enlarges the text in the one area 50 and displays the enlarged text on the touch screen 151. The user changes the page of the text displayed on the touch screen 151 using the side key 51 (see Fig. 5 (c)). The side key 51 is an example for changing the page of text, and the user can change the page of the text by a method of scrolling, touching and dragging, a separate menu, a double click, or the like. When the page of the text is changed, the control unit 180 changes the text in the area 50 based on the changed text (see FIG. 5 (d)). The second embodiment can be applied to the first embodiment. That is, when the page of the text is changed, the control unit 180 changes the text in the one area 40 based on the changed text.

Thereby, the user can easily confirm the desired text without selecting the text to be changed every time.

FIG. 6 is a diagram for explaining a text display method in a mobile communication terminal according to a third embodiment of the present invention.

According to the selection of the user, the control unit 180 displays a text including the enlargement icon 60 in each line on the touch screen 151. The user selects a desired enlargement icon 60 among the enlargement icons 60. Then, the control unit 180 automatically enlarges the text on the line corresponding to the selected enlargement icon 60 and displays the enlarged text on the touch screen 151.

Accordingly, the user can easily confirm the desired line of the text.

The above-described text display method in the mobile communication terminal and the mobile communication terminal using the same are not limited to the configuration and method of the above-described embodiments, but the embodiments can be applied to various implementations All or some of the examples may be selectively combined.

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

2A is a front perspective view of a mobile communication terminal according to an embodiment of the present invention;

FIG. 2B is a rear perspective view of a mobile communication terminal according to an embodiment of the present invention; FIG.

3 is a flowchart illustrating a text display method according to an embodiment of the present invention.

FIG. 4 is an image diagram for explaining a text display method in a mobile communication terminal according to the present invention. FIG.

FIG. 5 is an image diagram for explaining a text display method in a mobile communication terminal according to a second embodiment of the present invention; FIG.

 FIG. 6 is an image diagram for explaining a text display method in a mobile communication terminal according to a third embodiment of the present invention. FIG.

Claims (7)

Displaying text on a touch screen; When one area of the touch screen is touched by the pointing device, the text of the predetermined range is automatically enlarged and displayed around the one area; And Changing and displaying a page of the text according to a signal for changing a page of text in a state in which the text of the default setting range is displayed in an enlarged state, The step of changing a page of the text according to a signal for changing a page of the text in a state where the text of the default setting range is displayed in an enlarged state, And automatically displaying the text in the area of the same position as the position of the predetermined range among the areas of the touch screen based on the changed text page. The method according to claim 1, Wherein when one area of the touch screen is touched by the pointing device, the text of the predetermined range is automatically enlarged and displayed around the one area, Further comprising the step of automatically enlarging and displaying the text in the touch-dragged region when the pointing device is touched and dragged on the touch screen. 3. The method of claim 2, Wherein the step of automatically enlarging and displaying the text in the area of the same position as the position of the predetermined range among the areas of the touch screen based on the page of the changed text, And automatically enlarging and displaying the text in the area of the same position as the position of the touch-dragged area of the area of the touch screen based on the changed text. The method according to claim 1, Wherein when one area of the touch screen is touched by the pointing device, the text of the predetermined range is automatically enlarged and displayed around the one area, Displaying a magnifying icon on each line of text; and Further comprising the step of automatically enlarging and displaying the text on the corresponding line when the enlarging icon is selected by the pointing device. A touch screen configured to display text; and And a controller for automatically changing a text of a predetermined range around the one area when the touch screen is touched by the pointing device, Wherein, The text of the text is enlarged and displayed in accordance with a signal for changing the page of the text, the page of the text is changed and displayed, and based on the page of the changed text, And automatically enlarges and displays the text in the area at the same position as the position of the range. 6. The method of claim 5, Wherein, Dragging the pointing device on the touch screen, the text in the touch-dragged area is magnified and displayed. 6. The method of claim 5, Wherein, Further displaying enlarged icons on each line of the text and automatically enlarging and displaying the text on the corresponding line when the enlarging icon is selected by the pointing device.

Images