KR20140102937A - Mobile terminal and method for controlling the same - Google Patents

Abstract

The present invention provides a mobile terminal which includes a display panel which outputs screen information, a touch sensor which senses the touch input of a user applied for inputting additional information on the screen information, a memory which stores the additional information, and a control unit which controls the display panel to limit the output of the additional information.

Description

[0001] MOBILE TERMINAL AND METHOD FOR CONTROLLING THE SAME [0002]

The present invention relates to a mobile terminal having a display unit capable of inputting information by touch input.

A terminal can be divided into a mobile / portable terminal and a stationary terminal depending on whether the terminal is movable. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

As the functions of the terminal are diversified, the terminal is implemented in the form of a multimedia device having a combination of functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, have. Further, in order to support and enhance the function of the terminal, it may be considered to improve the structural and software parts of the terminal.

In recent years, functions for allowing a user to input information by touch input on a display unit and storing the information in various forms such as an image and a text have been implemented. Accordingly, the user can easily store the information to be stored in the mobile terminal.

However, when information is input from the outside, information to be input to the display unit is outputted, so that information to be input to another person can be exposed. Accordingly, there is a problem that the user is exposed while the information is input to the mobile terminal.

And a display unit in which output of information is restricted while information of a technical cover of the present invention is input.

According to an aspect of the present invention, there is provided a mobile terminal including a display panel, a touch sensor, a memory, and a control unit. The display panel outputs screen information. The touch sensor senses a touch input of a user to input additional information on the screen information. The memory stores the additional information, and the control unit controls the display panel to limit the output of the additional information.

According to an embodiment of the present invention, the control unit controls the display panel to limit the output of at least one area of the screen information based on the setting of the user.

As an example related to the present invention, the control unit controls the display panel to output a first icon to which the touch input for controlling the display panel is applied to output the additional information to the remaining area or restrict the output.

As an example related to the present invention, the control unit controls the display unit to output a virtual keyboard for inputting the additional information to the remaining area.

In one embodiment of the present invention, the control unit controls the display unit to display a first control window to which a control command for adjusting transparency of at least a part of the screen information is received.

As an example related to the present invention, the control unit controls the display unit to output a status display for displaying a state in which additional information is input based on the touch input, in a state where the output of the additional information is limited.

In an embodiment of the present invention, the control unit switches the one area of the display panel to the inactive state and controls the entire area of the touch sensor to be in the active state.

In an exemplary embodiment of the present invention, the display unit outputs a second icon to which a touch input for storing an image including the screen information and the additional information is applied, and the control unit displays a touch input And controls the display unit to output a second control window for setting a password for activating the image.

As an example related to the present invention, the screen information corresponds to an execution screen of an application including a storage space for receiving the additional information and storing the additional information.

According to an embodiment of the present invention, the control unit switches the display panel to a memo mode in which additional information formed to overlap with the screen information is input based on a control command applied to the mobile terminal.

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, including the steps of outputting screen information to a display panel, inputting user information for inputting additional information on the screen information, Sensing the touch input, storing the additional information based on the touch input, and limiting the output of the additional information to the display panel.

In one embodiment of the present invention, the step of limiting the output of the additional information to the display panel includes the step of adjusting one area of the display panel to an inactive state.

According to another embodiment of the present invention, the control method of the mobile terminal includes adjusting the transparency of the displayed additional information on the screen information based on another touch input of the user applied to the predetermined icon.

As an example of the present invention, the control method of the mobile terminal may further include storing an image including the screen information and the additional information displayed on the screen information, and setting a password for activating the image .

The present invention restricts the output of the additional information input by the touch input or the display panel is partially deactivated so that the additional information is not exposed to the other person.

In addition, since the input additional information can be encrypted and stored while the output is limited, the security of the additional information can be improved.

1 is a block diagram illustrating a mobile terminal according to one embodiment disclosed herein.
2A and 2B are conceptual diagrams of a communication system in which a mobile terminal can operate according to the present invention.
FIG. 3A is a perspective view of an example of a mobile terminal according to the present invention. FIG.
FIG. 3B is a rear perspective view of the mobile terminal shown in FIG. 3A. FIG.
4 is a flowchart illustrating a method of controlling a mobile terminal according to an exemplary embodiment of the present invention.
5A and 5B are conceptual diagrams for explaining the control method of FIG. 4 according to each embodiment;
6A to 6C are conceptual diagrams for explaining a control method for controlling the activation of the hidden mode.
7A and 7B are conceptual diagrams for explaining a control method of storing additional information.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted. 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. In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. In addition, it should be noted that the attached drawings are only for easy understanding of the embodiments disclosed in the present specification, and should not be construed as limiting the technical idea disclosed in the present specification by the attached drawings.

The mobile terminal described in this specification includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), a navigation device, a slate PC , A tablet PC (tablet PC), and an ultrabook (ultrabook). 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, and the like, unless the configuration is applicable only to a mobile terminal.

1 is a block diagram illustrating a mobile terminal according to one embodiment disclosed herein.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components 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 terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include at least one of 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 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 mobile communication module 112 is configured to implement a video communication mode and a voice communication mode. The video call mode refers to a state of talking while viewing a video of the other party, and the voice call mode refers to a state in which a call is made without viewing the other party's video. In order to implement the video communication mode and the voice communication mode, the mobile communication module 112 is configured to transmit and receive at least one of voice and image.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. Examples of the wireless Internet technology include a wireless LAN (WLAN), a wireless fidelity (WiFi) direct, a DLNA (Digital Living Network Alliance), a Wibro (Wireless broadband), a Wimax (World Interoperability for Microwave Access), HSDPA Can be used.

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, NFC (Near Field Communication), etc. are used as short range communication technology .

The position information module 115 is a module for obtaining the position of the mobile terminal, and representative examples thereof include a Global Position System (GPS) module or a Wireless Fidelity (WiFi) 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 image frames such as still images or moving images 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 may be transmitted to an external device through the wireless communication unit 110. In addition, The camera 121 may be provided in two or more 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 according to a control command for controlling the operation of the mobile terminal 100 applied by the user. The user input unit 130 may include a key pad, a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 may sense the position of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence of the user, the orientation of the mobile terminal, And generates a sensing signal (or sensing signal) for sensing the current state and controlling the operation of the mobile terminal 100. For example, the sensing unit 140 may detect whether the slide phone is opened or closed when the mobile terminal 100 is in the form of a slide phone. The sensing unit 140 may sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like.

The output unit 150 may include a display unit 151, an audio output module 153, an alarm unit 154, a haptic module 155, and the like in order to generate output related to visual, auditory, have.

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

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, a 3D display, and an e-ink 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 the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another, or may be disposed integrally with one another, and may be disposed on different surfaces, respectively.

Also, the display unit 151 may be configured as a stereoscopic display unit 152 for displaying a stereoscopic image.

Here, a stereoscopic image represents a 3-dimensional stereoscopic image, and a 3-dimensional stereoscopic image represents a progressive depth and reality in which objects are located on a monitor or a screen. It is an image that makes you feel the same as reality space. 3D stereoscopic images are implemented using binocular disparity. The binocular parallax means the parallax caused by the positions of the two separated eyes. When the two eyes see different two-dimensional images and the images are transmitted to the brain through the retina and fused, the depth and real feeling of the stereoscopic image can be felt do.

The stereoscopic display unit 152 may be applied to a three-dimensional display system such as a stereoscopic system (glasses system), an autostereoscopic system (no-glasses system), and a projection system (holographic system). The stereoscopic method, which is widely used in home television receivers, includes a Wheatstone stereoscopic method.

Examples of the autostereoscopic method include a parallax barrier method, a lenticular method, an integral imaging method, and a switchable lens method. The projection method includes a reflection type holographic method and a transmission type holographic method.

Generally, 3D stereoscopic images consist of left image (left eye image) and right image (right eye image). A top-down method of arranging a left image and a right image in one frame according to a method in which a left image and a right image are combined into a three-dimensional stereoscopic image, A checker board system in which pieces of a left image and a right image are arranged in a tile form, a left-to-right (right-side) Or an interlaced method in which rows are alternately arranged, and a time sequential (frame-by-frame) method in which right and left images are alternately displayed in time.

In addition, the 3D thumbnail image can generate a left image thumbnail and a right image thumbnail from the left image and right image of the original image frame, respectively, and combine them to generate one 3D thumbnail image. In general, a thumbnail means a reduced image or a reduced still image. The left image thumbnail and the right image thumbnail generated in this way are displayed on the screen with a left and right distance difference by a depth corresponding to the parallax between the left image and the right image, thereby exhibiting a three-dimensional spatial feeling.

The left and right images necessary for realizing the three-dimensional stereoscopic image can be displayed on the stereoscopic display unit 152 by a stereoscopic processing unit (not shown). The stereoscopic processing unit receives a 3D image and extracts a left image and a right image from the 3D image, or receives a 2D image and converts it into a left image and a right image.

On the other hand, when a display unit 151 and a sensor (hereinafter, referred to as 'touch sensor') that detects a touch operation form a mutual layer structure (hereinafter referred to as a 'touch screen' It can also be used as an input device in addition to the 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 where the touch object is touched on the touch sensor but also the pressure at the time of touch. Here, the touch object may be a finger, a touch pen, a stylus pen, a pointer, or the like as an object to which a touch is applied to the touch sensor.

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 terminal or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor 141 may be provided as an example of the sensing unit 140. The proximity sensor 141 measures the presence or absence of an object approaching a predetermined sensing surface It refers to a sensor that uses infrared rays to detect without mechanical contact. The proximity sensor 141 has a longer life than the contact type sensor and its utilization is also high.

Examples of the proximity sensor 141 include a transmission type photoelectric sensor, a direct reflection fluorescent light sensor, a mirror reflection fluorescent light sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. When the touch screen is electrostatic, it is configured to detect the proximity of the pointer by a change of the electric field along the proximity of an object having conductivity (hereinafter, referred to as a pointer). In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor 141 detects a proximity touch and a proximity touch pattern (for example, 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.

In the case where the three-dimensional display unit 152 and the touch sensor have a mutual layer structure (hereinafter referred to as a 'three-dimensional touch screen') or a three-dimensional sensor that detects the touch operation and the stereoscopic display unit 152 are combined with each other The stereoscopic display unit 152 may also be used as a three-dimensional input device.

The sensing unit 140 may include a proximity sensor 141, a three-dimensional touch sensing unit 142, an ultrasonic sensing unit 143, and a camera sensing unit 144 as an example of the three-dimensional sensor.

The proximity sensor 141 measures the distance between the sensing surface (for example, a user's finger or a stylus pen) to which the touch is applied without mechanical contact using the force of the electromagnetic field or infrared rays. The terminal recognizes which part of the stereoscopic image has been touched using the distance. In particular, when the touch screen is of the electrostatic type, the proximity of the sensing object is detected by a change of the electric field according to the proximity of the sensing object, and the touch on the three-dimensional is recognized using the proximity.

The stereoscopic touch sensing unit 142 senses the strength or duration of a touch applied to the touch screen. For example, the three-dimensional touch sensing unit 142 senses a pressure to apply a touch, and when the pressing force is strong, recognizes the touch as a touch to an object located further away from the touch screen toward the inside of the terminal.

The ultrasonic sensing unit 143 is configured to recognize the position information of the sensing target using ultrasonic waves.

The ultrasound sensing unit 143 may include, for example, an optical sensor and a plurality of ultrasound sensors. The light sensor is configured to sense light, and the ultrasonic sensor is configured to sense ultrasonic waves. Since light is much faster than ultrasonic waves, the time it takes for light to reach the optical sensor is much faster than the time it takes for the ultrasonic waves to reach the ultrasonic sensor. Therefore, it is possible to calculate the position of the wave generating source using the time difference with the time when the ultrasonic wave reaches the reference signal.

The camera sensing unit 144 includes at least one of a camera 121, a photo sensor, and a laser sensor.

For example, the camera 121 and the laser sensor are combined with each other to sense a touch of a sensing target with respect to a three-dimensional stereoscopic image. When the distance information detected by the laser sensor is added to the two-dimensional image photographed by the camera, three-dimensional information can be obtained.

As another example, a photosensor may be stacked on a display element. The photosensor is configured to scan the movement of the object proximate to the touch screen. More specifically, the photosensor mounts photo diodes and TRs (Transistors) in a row / column and scans the contents loaded on the photosensor using an electrical signal that varies according to the amount of light applied to the photo diode. That is, the photo sensor performs coordinate calculation of the object to be sensed according to the amount of light change, thereby acquiring position information of the object to be sensed.

The audio output module 153 can 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 153 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The sound output module 153 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 154 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events generated in the mobile terminal 100 include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 154 may output a signal for notifying the occurrence of an event by using 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 sound output module 153 so that the display unit 151 and the sound output module 153 may be classified as a part of the alarm unit 154 .

The haptic module 155 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 155 may be vibration. The intensity and pattern of the vibration generated by the hit module 155 can be controlled by the user's selection or setting of the control unit. For example, the haptic module 155 may combine and output different vibrations or sequentially output the vibrations.

In addition to the vibration, the haptic module 155 may be configured to perform various functions such as 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 155 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 sense of the finger or arm. At least two haptic modules 155 may be provided according to the configuration of the mobile terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily 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 vibration and sound of various patterns outputted when a touch is input on the touch screen.

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), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- And may include a storage medium of at least one type of disk and optical disk. The mobile 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 terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a port for connecting a device equipped with a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, An audio I / O port, a video 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 terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM) A 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. Therefore, the identification device can be connected to the terminal 100 through the interface unit 170. [

The interface unit 170 may be a path through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, And various command signals may be transmitted to the mobile terminal 100. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal 100. 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. [

 In addition, the control unit 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

In addition, if the state of the mobile terminal meets a set condition, the controller 180 can execute a lock state for restricting input of a control command of the user to the applications. Also, the controller 180 may control the lock screen displayed in the locked state based on the touch input sensed through the display unit 151 in the locked state.

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 , Microprocessors, microprocessors, microprocessors, and other electronic units for carrying out other functions. In some cases, the embodiments described herein may be implemented by the controller 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.

The software code may 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. [

Next, a communication system that can be implemented through the mobile terminal 100 according to the present invention will be described. 2A and 2B are conceptual diagrams of a communication system in which the mobile terminal 100 according to the present invention can operate.

First, referring to FIG. 2A, the communication system may use different wireless interfaces and / or physical layers. For example, wireless interfaces that can be used by a communication system include Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA) , Universal Mobile Telecommunications Systems (UMTS) (especially Long Term Evolution (LTE)), Global System for Mobile Communications (GSM), and the like.

Hereinafter, for the sake of convenience of description, the description will be limited to CDMA. However, it is apparent that the present invention can be applied to all communication systems including CDMA wireless communication systems.

2A, a CDMA wireless communication system includes at least one terminal 100, at least one base station (BS) 270, at least one base station controller 180 (BSCs) ) 275, and a Mobile Switching Center (MSC) 280. The MSC 280 is configured to be coupled to a Public Switched Telephone Network (PSTN) 290 and BSCs 275. BSCs 275 may be coupled in pairs with BS 270 through a backhaul line. The backhaul line may be provided according to at least one of E1 / T1, ATM, IP, PPP, Frame Relay, HDSL, ADSL or xDSL. Thus, a plurality of BSCs 275 may be included in the system shown in FIG. 2A.

Each of the plurality of BSs 270 may include at least one sector, and each sector may include an omnidirectional antenna or an antenna pointing to a particular direction of radials from the BS 270. In addition, each sector may include two or more antennas of various types. Each BS 270 may be configured to support a plurality of frequency assignments and each of the plurality of frequency assignments may have a specific spectrum (e.g., 1.25 MHz, 5 MHz, etc.).

The intersection of sector and frequency assignment may be referred to as a CDMA channel. BS 270 may be referred to as a base station transceiver subsystem (BTSs). In such a case, one BSC 275 and at least one BS 270 may be collectively referred to as a "base station" . The base station may also indicate "cell site ". Alternatively, each of the plurality of sectors for a particular BS 270 may be referred to as a plurality of cell sites.

As shown in FIG. 2A, a broadcasting transmitter (BT) 295 transmits a broadcasting signal to terminals 100 operating in the system. The broadcast receiving module 111 shown in FIG. 1 is provided in the terminal 100 to receive a broadcast signal transmitted by the BT 295.

In addition, FIG. 2A illustrates a satellite 300 of a Global Positioning System (GPS). The satellite 300 aids in locating the mobile terminal 100. Although two satellites are shown in FIG. 2A, useful location information may be obtained by two or more satellites. The location information module 115 shown in FIG. 1 cooperates with the satellite 300 shown in FIG. 2A to obtain desired location information. Here, the position of the mobile terminal 100 can be tracked using all the techniques capable of tracking the location as well as the GPS tracking technology. Also, at least one of the GPS satellites 300 may optionally or additionally be responsible for satellite DMB transmission.

Of the typical operation of a wireless communication system, the BS 270 receives a reverse link signal from the mobile terminal 100. At this time, the mobile terminal 100 is connecting a call, transmitting or receiving a message, or performing another communication operation. Each of the reverse link signals received by the particular base station 270 is processed by the particular base station 270. The data resulting from the processing is transmitted to the connected BSC 275. The BSC 275 provides call resource allocation and mobility management functions, including the organization of soft handoffs between the base stations 270. BSCs 275 also transmit the received data to MSC 280 and MSC 280 provides additional transport services for connection with PSTN 290. [ Similarly, the PSTN 290 is connected to the MSC 280, the MSC 280 is connected to the BSCs 275, and the BSCs 275 are connected to the BS 100 so that the forward link signal is transmitted to the mobile terminal 100 270 can be controlled.

Next, a method of acquiring location information of a mobile terminal using a WiFi (Wireless Fidelity) Positioning System (WPS) will be described with reference to FIG. 2B.

The WiFi positioning system 300 uses a WiFi module provided in the mobile terminal 100 and a wireless access point 520 transmitting or receiving a wireless signal with the WiFi module, Is a technology for tracking the position of the terminal 100, and refers to a WLAN (Wireless Local Area Network) based positioning technology using WiFi.

The WiFi location tracking system 300 includes a Wi-Fi location server 510, a mobile terminal 100, a wireless AP 530 connected to the mobile terminal 100, and a database 530 storing arbitrary wireless AP information .

The Wi-Fi location server 510 extracts information of the wireless AP 520 connected to the mobile terminal 100 based on the location information request message (or signal) of the mobile terminal 100. The information of the wireless AP 520 connected to the mobile terminal 100 may be transmitted to the Wi-Fi position location server 510 through the mobile terminal 100 or may be transmitted from the wireless AP 520 to the Wi- Lt; / RTI >

SSID, RSSI, channel information, Privacy, Network Type, Signal Strength, and Noise Strength based on the location information request message of the mobile terminal 100, Lt; / RTI >

The WiFi location server 510 receives the information of the wireless AP 520 connected to the mobile terminal 100 and transmits the information included in the preformed database 530 to the wireless AP 520, And extracts (or analyzes) the location information of the mobile terminal 100 by comparing the information.

In FIG. 2B, the wireless APs connected to the mobile terminal 100 are illustrated as first, second and third wireless APs 520 as an example. However, the number of wireless APs connected to the mobile terminal 100 can be variously changed according to the wireless communication environment in which the mobile terminal 100 is located. The WiFi location tracking system 300 is capable of tracking the location of the mobile terminal 100 when the mobile terminal 100 is connected to at least one wireless AP.

Next, the database 530 may store various information of arbitrary wireless APs located at different locations, as will be described in more detail with respect to the database 530 in which arbitrary wireless AP information is stored.

The information of any wireless APs stored in the database 300 includes at least one of MAC address, SSID, RSSI, channel information, privacy, network type, radar coordinate of the wireless AP, (Available in GPS coordinates), address of the AP owner, telephone number, and the like.

Since the wireless base station 530 stores the wireless AP information and the location information corresponding to the wireless AP, the WiFi location server 510 receives the location information of the mobile terminal 100 from the database 530, The location information of the mobile terminal 100 can be extracted by searching for the wireless AP information corresponding to the information of the wireless AP 520 connected to the wireless AP 520 and extracting the location information matched with the retrieved wireless AP information.

3A is a perspective view of a mobile terminal 100 according to an embodiment of the present invention.

The disclosed mobile 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 watch type, a clip type, a spectacle type, or a folder type, a flip type, a slide type, a swing type and a swivel type in which two or more bodies are movably coupled have.

The body includes a case (frame, housing, cover, etc.) 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. A battery cover 103 covering the battery 191 may be detachably attached to the rear case 102 have.

The cases may be formed by injection molding of synthetic resin, or may be formed of metal such as stainless steel (STS), aluminum (Al), titanium (Ti), or the like.

A first sound output module 153a, a first camera 121a, a first operation unit 131 and the like are disposed on the front surface of the terminal body, and a microphone 122, an interface unit 170 ), A second operation unit 132, and the like.

The display unit 151 is configured to display (output) information processed by the mobile terminal 100. The display unit 151 may include a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) ), A flexible display, a 3D display, and an e-ink display.

The display unit 151 may include touch sensing means for receiving a control command by a touch method. When a touch is performed on any one of the display units 151, the touch sensing unit senses the touch and the content corresponding to the touched position is input. The content input by the touch method may be a letter or a number, an instruction in various modes, a menu item which can be designated, and the like.

The touch sensing means may be formed of a translucent material so that the visual information output from the display unit 151 can be seen, and a structure for enhancing the visibility of the touch screen in a bright place. 3A, the display unit 151 occupies most of the front surface of the front case 101. [

A first camera module 121a is disposed in a region adjacent to one end of the display unit 151 and a first operation unit 131 and a microphone 122 are disposed in a region adjacent to the other end of the first sound output module 153a, . The second operation unit 132 (see FIG. 3B), the interface unit 170, and the like may be disposed on the side of the terminal body.

The first sound output module 153a may be implemented in the form of a receiver for delivering a call sound to a user's ear or a loud speaker for outputting various alarm sounds or multimedia playback sounds.

The sound generated from the first sound output module 153a may be configured to be emitted along the assembly gap between the structures. In this case, the hole formed independently for the apparent acoustic output is hidden or hidden, so that the appearance of the mobile terminal 100 can be simplified. However, the present invention is not limited thereto, and a hole for emitting the sound may be formed in the window.

The first camera 121a 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 user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include first and second operation units 131 and 132. The first and second operation units 131 and 132 may be collectively referred to as a manipulating portion and may be any type of tactile manner such as touch, push, scroll, etc., .

In the figure, the first operation unit 131 is a touch key, but the present invention is not limited thereto. For example, the first operation unit 131 may be a mechanical key, or a combination of a touch key and a touch key.

The contents input by the first and / or second operation units 131 and 132 may be variously set. For example, the first operation unit 131 receives a command such as a menu, a home key, a cancellation, a search, and the like, and the second operation unit 132 adjusts the size of the sound output from the first sound output module 153a And a switch to the touch recognition mode of the display unit 151 and the like.

The microphone 122 is configured to receive a user's voice, other sounds, and the like. The microphone 122 may be provided at a plurality of locations to receive stereophonic sound.

The interface unit 170 is a path for allowing the mobile terminal 100 to exchange data with an external device. For example, the interface unit 170 may include a connection terminal for connecting to an earphone by wire or wireless, a port for short-range communication (for example, an IrDA Port, a Bluetooth Port, a Wireless LAN LAN Port) or the like, or power supply terminals for supplying power to the mobile terminal 100. [ The interface unit 170 may be implemented as a socket for receiving an external card such as a SIM (Subscriber Identification Module) or a UIM (User Identity Module) or a memory card for storing information.

FIG. 3B is a rear perspective view of the mobile terminal 100 shown in FIG. 3A.

Referring to FIG. 3B, a second camera 121b may be further mounted on the rear surface of the terminal body, that is, the rear case 102. FIG. The second camera 121b may have a photographing direction substantially opposite to that of the first camera 121a (see FIG. 3A), and may be a camera having different pixels from the first camera 121a.

For example, the first camera 121a has low pixels so that it is easy to capture a face of a user in the case of a video call or the like and transmit the face to the other party. The second camera 121b photographs a general object and immediately transmits It is preferable to have a high pixel. The first and second cameras 121a and 121b may be installed in the terminal body so as to be able to rotate or pop-up.

A flash 123 and a mirror 124 are further disposed adjacent to the second camera 121b. The flash 123 shines light toward the subject when the subject is photographed by the second camera 121b. The mirror 124 enables the user to illuminate the user's own face or the like when the user intends to photograph the user himself / herself (self-photographing) using the second camera 121b.

A second sound output module 153b may be further disposed on the rear surface of the terminal body. The second sound output module 153b may implement the stereo function together with the first sound output module 153a (see FIG. 3A), and may be used for the implementation of the speakerphone mode during a call.

An antenna (not shown) for receiving a broadcast signal may be additionally disposed on the side of the terminal body in addition to an antenna for a call or the like. An antenna constituting a part of the broadcast receiving module 111 (see FIG. 1) can be installed to be able to be drawn out from the terminal body.

The terminal body is provided with a power supply unit 190 (see FIG. 1) for supplying power to the mobile terminal 100. The power supply unit 190 may include a battery 191 built in the terminal body or detachable from the outside of the terminal body. This figure illustrates that the battery cover 103 is coupled to the rear case 102 so as to cover the battery 191 to restrict the detachment of the battery 191 and to protect the battery 191 from external impact and foreign matter .

The extracted location information of the mobile terminal 100 is transmitted to the mobile terminal 100 through the Wi-Fi location server 310 so that the mobile terminal 100 can acquire the location information.

FIG. 4 is a flowchart illustrating a method of controlling a mobile terminal according to an exemplary embodiment of the present invention. FIG. 5A is a conceptual diagram illustrating the control method of FIG. 4 according to an embodiment of the present invention.

4 and 5A, a control method in which the output of additional information is limited while the additional information is input to the display unit will be described.

The display unit outputs screen information 310 (S401). Here, the screen information corresponds to a preset image or an image output based on a user's control command, and there is no limitation on the type of the image. For example, the screen information 310 may correspond to a home screen page, an application execution screen, a web browser screen, or the like including at least one icon to which an application execution command is given.

As shown in FIG. 5A, the screen information 310 may correspond to a web browser screen including at least one content. The controller may control the display unit to switch the screen information 310 to other screen information related to the content based on a touch input on the display unit on which the content is output. The control unit may control the display panel and the touch sensor in a memo mode in which additional information can be input on the screen information 310 based on a user's control command.

For example, the control command may correspond to a physical pressure applied to a signal input unit formed on the main body of the mobile terminal, or a touch input to an icon formed on the display unit. However, there is no limitation on the method for switching to the memo mode.

Referring to FIG. 5A, when the mobile terminal is switched to the memo mode, the controller divides the display panel into first and second areas 311 and 312, 311 of the display unit. In addition, the control unit may control the display unit to output a plurality of icons to which the touch input is applied to perform the plurality of functions in the second area 312. [

For example, the icons may correspond to an icon for changing the setting to input additional information in various forms, and an icon for storing the input additional information together with the screen information as an image. In addition, the control unit may control the display unit to display a hidden icon (301) for limiting the additional information to be output to the display unit in the second area.

The control unit controls the display unit to limit screen information by a touch input applied on the display unit in the memo mode. That is, when the touch input is applied to one area on the display unit on which the content is output, the controller controls the display unit to ignore the touch input.

The touch sensor senses a touch input applied to the display unit for inputting the additional information (S402).

In addition, the controller controls the memory 160 to store additional information corresponding to the touch input sensed by the touch sensor. For example, the additional information corresponding to the touch input may correspond to an image formed along the touch input path on the display unit in the memo mode.

In addition, the control unit controls the display unit to limit the output of the additional information (S404). That is, the additional information stored in the memory is not displayed on the display unit.

That is, as shown in (c) of FIG. 5, the control unit controls the display unit to output the screen information 310 to the first area 311 without additional information by the touch input.

5A, the control unit may control the display unit to output the additional information 410 based on a touch input applied to the hidden icon 301 of the second area 312 have. That is, the display unit may output the screen information 310 and the additional information 410 in an overlapping manner on the first area 311. One area of the screen information 310 may be obscured by the additional information 410.

That is, the output of the additional information can be limited by the hidden icon 301, or the restriction of the output can be canceled. The control unit may control the display unit to change the shape of the hidden icon 301 when the output of the additional information is restricted or the output is restricted. For example, the control unit may control the display unit to change the color of the hidden icon 301 according to each state.

According to this embodiment, while the user is inputting additional information on the display unit, the additional information is not output on the display unit, thereby preventing the problem that the additional information is exposed to the other user. In addition, since it is possible to control the additional information to be output based on the touch input applied to the hidden icon, the user can confirm it after inputting the additional information or while inputting additional information.

5B illustrates a control method of inputting additional information on an execution screen of an application capable of inputting information.

5B is a view showing an execution screen 320 of a memo application that can input contents by a user. Here, the content may include various types of information such as text, images, and the like.

Referring to FIG. 5B, the controller divides the display panel into first and second regions 321 and 322 based on a touch input applied on the display unit. The control unit controls the display panel to output the execution screen 320 to the first area 321 and to output a virtual keyboard receiving the touch input so as to input text into the second area 321 do.

The controller may designate a position at which the text is to be input on the execution screen 320 by a touch input applied on the display unit on which the touch sensor is formed. In addition, the control unit may control the display panel to output the cursor on the execution screen 320 based on the touch input, in order to display a position at which the text is to be input.

The display panel outputs a hidden icon 302 for controlling the output of the additional information input to the second area 322. [ For example, the hidden icon 302 may be displayed adjacent to the virtual keyboard.

The control unit may control the display unit to restrict the output of the additional information to be input based on the touch input of the user applied to the hidden icon. The controller controls the memory 160 to store additional information input by the touch input applied to the virtual keyboard.

The control unit may control the display panel to output a status indicating that additional information is being input to the display unit. For example, the control unit may control the display unit to move the cursor on the display unit as the additional information is input.

That is, the display panel may restrict the output of the additional information to be input, and may output a status indication to inform the user that additional information is being input based on the touch input.

Although not shown in the drawing, the display form of the status display is not limited and may be displayed in the first area 321 or the second area 322. Preferably, the status display is an indication that the user can recognize that the additional information is being input by the touch input while the additional information is not output to the display panel. According to another structure of the mobile terminal Can be implemented.

Referring to FIGS. 5C and 5D, the controller may control the memory 160 and the display panel to output the additional information based on the touch input applied to the hidden icon 302 have. That is, the display panel outputs the additional information 420 to be overlapped with the execution screen 320.

That is, even when additional information is input using the virtual keyboard, display of additional information can be restricted. Further, since the status display is outputted to the display panel, it is possible to recognize the state in which the additional information is being input.

6A to 6D are conceptual diagrams for explaining a control method for controlling the activation of the hidden mode.

Referring to Fig. 6A, a control method of adjusting transparency of additional information will be described. FIG. 6A is a diagram illustrating a mobile terminal displaying screen information 310 and icons on a display panel partitioned by first and second areas 311 and 312, in which a hidden mode in which the output of additional information is restricted to be.

Referring to (b) of FIG. 6, the control unit controls the display unit to output a first control window 313 to which a touch input for adjusting the transparency of the additional information is applied, based on a control command by a user. The display unit may output the first control window 313 to the first region 311 or the second region 312.

The control unit controls the display panel to adjust the transparency of the additional information 410 based on a control command applied to the first control window 313. The first control window 313 has a shape extending in one direction and the user can adjust the transparency of the additional information 410 by applying a touch input reciprocating along the one direction.

Referring to FIGS. 6A and 6B, on the basis of the touch input applied to the first control window 313, the control unit displays the additional information 410 on the screen information 310 as translucent And controls the display panel.

6A and 6D, the user can continue to input the additional information according to the adjusted transparency of the additional information 410 by the first control window 313.

That is, the controller controls the display panel to output other additional information based on the touch input applied to the touch sensor, and the additional information is displayed on the touch panel in such a manner that the additional information is output with transparency adjusted by the first control window 313. [ And controls the display unit.

According to the present embodiment, the user can output the input additional information in various transparency. Further, it is possible to adjust the added information to various transparency. Accordingly, the user can control the additional information to be output with a specific transparency so that the user can recognize the additional information when the additional information is not exposed to the other user.

6B is a view for explaining a control method of the active state of the display panel while the additional information is inputted.

The control unit controls the display unit to switch the first area 311 of the display panel to an inactive state based on a touch input applied to a hidden icon 301 displayed in the second area 312. [ That is, the controller may limit the power applied to one area of the display panel.

Accordingly, the display panel outputs predetermined screen information to the second area 312 and controls the first area 311 'to be in an inactive state. Accordingly, the screen information is not output.

The controller activates the touch sensor corresponding to the inactive first region 311 ', and the touch sensor senses the touch input. However, the control unit controls the memory 160 to store the additional information based on the touch input applied to the first area 311 'and restricts the output of the additional information (i.e., the first area 311' 311 ') to maintain the inactive state of the display panel.

That is, the control unit independently controls the active state of the touch sensor and the display panel based on the touch input applied to the hidden icon 301. [

Although not shown in the drawing, the controller may control the entire area of the display panel to be in an inactive state based on a touch input to the hidden icon 301. [

The control unit may control the display panel to switch the entire area of the display panel to an active state based on a user's control command and output the additional information.

Accordingly, the user can restrict the output of the screen information as well as the output of the additional information while inputting the additional information.

6B is a diagram for explaining a control method of the active state of the display panel while the additional information is input, according to another embodiment.

6C is a diagram showing a display unit for displaying an execution screen of the memo application and a keyboard for inputting additional information on the execution screen in the first and second areas 321 and 322, respectively.

The control unit controls the display panel to limit the output of the execution screen to the first area 321 based on the touch input applied to the hidden icon 302. [ That is, one area corresponding to the first area of the display panel may be switched to an inactive state.

The controller controls the display panel to output the virtual keyboard while the display panel corresponding to the second area 322 remains active.

The control unit controls the memory 160 to store additional information inputted based on a touch input applied to the virtual keyboard.

Accordingly, the user can prevent the additional input item from being exposed to the other person during the additional input.

7A and 7B are conceptual diagrams for explaining a control method of storing additional information.

7A, a control method of storing the additional information and screen information in a state in which output of additional information is limited will be described. 7A is a diagram illustrating a display unit to which a touch input of a user is applied in a state in which the output of additional information is limited, and the control unit controls the memory 160 to store the additional information based on the touch input .

Referring to FIGS. 7A and 7B, a control icon for receiving a control command for storing the screen information 310 and the additional information displayed on the screen information 310 in the second area 312, (303).

The controller controls the memory 160 to image and store additional information formed to overlap the screen information 310 based on the touch input applied to the storage icon 303. [

On the other hand, if the touch input is applied to the storage icon 303 while the output of additional information by the user's touch input is limited, the control unit may provide a second control window 314a for setting a password corresponding to the additional information And controls the display panel.

That is, if a control command for imaging and storing the additional information is applied in a state in which the additional information is not outputted, the control unit controls the display panel and the memory to set a password for re- Lt; / RTI >

Referring to FIGS. 7 (c) and 7 (d), the image including the screen information 310 and the additional information may be stored in a storage space of the application storing the image. However, the control unit may restrict the output of the image, and may control the display unit to output a predetermined hidden display 331 instead of the image.

The control unit controls the display unit to output the third control window 314b that receives the password based on the touch input applied to the hidden display 331 to output the image.

If the password set in the third control window 314b is input, the control unit may control the display panel to output an image including the screen information 310 and the additional information 410. [

That is, when additional information inputted in a state in which the output is limited on the screen information is stored, a password for activating the stored additional information can be set, so that exposure of the additional information can be prevented.

Referring to FIG. 7B, a control method for storing the additional information when the output is restricted while the additional information is input is canceled after the output is restricted.

Referring to (a) of FIG. 7, the control unit controls the memory to store additional information based on a touch input of a user applied to the display unit in a state where output of additional information is limited.

Referring to FIGS. 7A and 7B, the control unit controls the display unit to output additional information based on the touch input, based on a touch input applied to the hidden icon 301. When the touch input is applied to the storage icon 303 in a state that the additional information is output, the controller includes additional information 410 formed on the screen information 310 and the screen information 310 And controls the memory 160 to store the image.

Also, the control unit controls the display unit to output a fourth control window 315 for inputting whether to set a password for activating the image. The user can control to store the image while setting the password by applying a touch input to the fourth control window 315 or to store the image without setting a password.

Accordingly, the user can encrypt and store additional information not to be exposed to others as well as when inputting additional information.

The above-described mobile terminal and the mobile terminal equipped with the cover are not limited in configuration and method of the above-described embodiments, but the embodiments can be applied to all or a part of each embodiment May be selectively combined.

Claims (14)

A display panel for outputting screen information;
A touch sensor for sensing a touch input of a user to input additional information on the screen information;
A memory for storing the additional information; And
And controls the display panel to limit the output of the additional information. The method according to claim 1,
Wherein the control unit controls the display panel to restrict the output of at least one area of the screen information based on the setting of the user. The method according to claim 2, wherein
Wherein the control unit controls the display panel to output a first icon to which the touch input for controlling the display panel is applied so as to output the additional information to the remaining area or restrict the output. The method of claim 3,
Wherein the control unit controls the display unit to output a virtual keyboard for inputting the additional information to the remaining area. The method of claim 3,
Wherein the control unit controls the display unit to display a first control window to which a control command for adjusting transparency of at least a part of the screen information is received. The method of claim 3,
Wherein the control unit controls the display unit to output a status indication for displaying a state in which additional information is input based on the touch input in a state in which the output of the additional information is limited. 3. The method of claim 2,
Wherein the control unit switches the one area of the display panel to an inactive state and controls the entire area of the touch sensor to be in an active state. 3. The method of claim 2,
Wherein the display unit outputs a second icon to which a touch input for storing an image including the screen information and the additional information is applied,
Wherein the control unit controls the display unit to output a second control window for setting an encryption for activating the image based on a touch input applied to the storage icon. The method according to claim 1,
Wherein the screen information corresponds to an execution screen of an application including a storage space for receiving the additional information and storing the additional information. The method according to claim 1,
Wherein the control unit switches the display panel to a memo mode in which additional information formed to overlap with the screen information is input based on a control command applied to the mobile terminal. Outputting screen information to a display panel;
Detecting touch input of a user to be input for inputting additional information on the screen information;
Storing the additional information based on the touch input; And
And restricting output of the additional information to the display panel. The method as claimed in claim 11, wherein the step of limiting the output of the additional information to the display panel comprises:
And controlling one region of the display panel to be in an inactive state. 12. The method of claim 11,
And controlling the transparency of the additional information displayed on the screen information based on another touch input of the user applied to the predetermined icon. 12. The method of claim 11,
Storing an image including the screen information and the additional information displayed on the screen information;
Further comprising the step of setting a password for activating the image.

Images