KR20110013766A - Mobile terminal and operation control method thereof - Google Patents

Abstract

PURPOSE: A mobile terminal and a control method thereof are provided to display a detailed menu by the use frequency. CONSTITUTION: A proximity sensor(141) detects the proximity signal. A display unit(151) indicates a menu in an first area. If a proximity signal is detected by the proximity sensor at the first area a control unit(180) displays a detailed lower menu in user frequency order based on the first area. The lower menu is displayed in one type of circular icons, square icons, or a text list.

Description

Mobile terminal and operation control method

The present invention relates to a portable terminal and a method for controlling the operation thereof, and more particularly, to a portable terminal and a method for controlling the operation using a portable terminal including a proximity sensor.

A portable terminal is a portable device that is portable and has one or more functions for making voice and video calls, inputting and outputting information, and storing data.

In the portable terminal implemented in the form of such a multimedia device, new attempts have been applied in various ways in terms of hardware and software to implement complex functions. In addition to inputting a touch signal using a touch screen, a proximity signal may be detected using a proximity sensor.

In general, in order to identify a submenu included in a predetermined menu in a portable terminal, a predetermined menu should be selected at all times, and a desired submenu may be found by searching a submenu in which a position is fixed. However, this method requires a user to repeatedly input a signal, and it is difficult for the user to immediately identify a submenu included in a predetermined menu.

Therefore, a method of immediately identifying a submenu using a proximity sensor and displaying a submenu frequently used by a user is required.

Accordingly, an object of the present invention is to display a submenu without repetitive user input by displaying a submenu according to the frequency of use of a user when a proximity signal is detected using a portable terminal including a proximity sensor. A mobile terminal capable of providing a menu and an operation control method thereof are provided.

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, comprising: displaying a menu in a first area, and when the proximity signal is detected by the proximity sensor in the first area, And displaying the lower menus of the menus in order of high frequency of use.

According to an aspect of the present invention, a proximity sensor for detecting a proximity signal, a display unit for displaying a menu in a first area, and a proximity signal detected by the proximity sensor in the first area are provided. And a control unit which displays the lower menu of the menu on the display unit in order of high frequency of use, based on the first area.

According to the present invention, the user can immediately check the submenu, and the user can check the menu frequently used.

Hereinafter, with reference to the drawings will be described the present invention in more detail.

The portable terminal described in the present specification includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, and the like. In addition, suffixes "module" and " part "for the components used in the following description are given merely for convenience of description, and do not give special significance or role in themselves. Therefore, the "module" and "unit" may be used interchangeably.

FIG. 1 is a block diagram of a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. Referring to FIG. 1, a portable terminal according to an exemplary embodiment of the present invention will be described in terms of components according to functions.

1, the portable 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, and a power supply unit 190. Such components may be configured by combining two or more components into one component, or by dividing one or more components into two or more components as necessary when implemented in a practical application.

The wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 113, a wireless Internet module 115, a short distance communication module 117, and a GPS module 119.

The broadcast receiving module 111 receives at least one of a broadcast signal and broadcast related information from an external broadcast management server through a broadcast channel. In this case, the broadcast channel may include a satellite channel, a terrestrial channel, and the like. The broadcast management server may refer to a server for generating and transmitting at least one of a broadcast signal and broadcast related information and a server for receiving at least one of the generated broadcast signal and broadcast related information and transmitting the broadcast signal to the terminal.

The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal. The broadcast related information may also be provided through a mobile communication network, and in this case, may be received by the mobile communication module 113. Broadcast related information may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcast systems, and in particular, digital multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), and media forward link only (MediaFLO). ), Digital broadcast signals may be received using digital broadcasting systems such as DVB-H (Digital Video Broadcast-Handheld) and ISDB-T (Integrated Services Digital Broadcast-Terrestrial). In addition, the broadcast receiving module 111 may be configured to be suitable for all broadcast systems providing broadcast signals as well as such digital broadcast systems. 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 113 transmits and receives a radio signal with at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data according to voice call signal, video call signal, or text / multimedia message transmission and reception.

The wireless Internet module 115 refers to a module for wireless Internet access, and the wireless Internet module 115 can be embedded in the mobile terminal 100 or externally. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

The short-range communication module 117 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The GPS (Global Position System) module 119 receives position information from a plurality of GPS satellites.

The 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 123. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video call mode or the photographing mode. The processed image frame may 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. The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 123 receives an external sound signal by 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 113 and output when the voice data is in the call mode. The microphone 123 may be a variety of noise reduction algorithms for eliminating noise generated in receiving an external sound signal.

The user input unit 130 generates key input data input by the user for controlling the operation of the terminal. The user input unit 130 may include a key pad, a dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, a finger mouse, and the like. In particular, when the touch pad has a mutual layer structure with the display unit 151 described later, this may be referred to as a touch screen.

The sensing unit 140 senses the current state of the portable terminal 100 such as the open / close state of the portable terminal 100, the position of the portable terminal 100, Thereby generating a sensing signal. For example, when the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, it may be responsible for sensing functions related to whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to an external device, and the like.

The sensing unit 140 may include a proximity sensor 141. The proximity sensor 141 may detect the presence or absence of an approaching object or an object present in the vicinity without mechanical contact. The proximity sensor 141 may detect a proximity object by using a change in an alternating magnetic field or a change in a static magnetic field, or by using a change rate of capacitance. Two or more proximity sensors 141 may be provided according to the configuration aspect.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 may include a display unit 151, a sound output module 153, an alarm unit 155, and the like.

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

Meanwhile, as described above, when the display unit 151 and the touch pad have a mutual layer structure and constitute a touch screen, the display unit 151 may be used as an input device in addition to the output device. If the display unit 151 is configured as a touch screen, the display unit 151 may include a touch screen panel, a touch screen panel controller, and the like. In this case, the touch screen panel is a transparent panel attached to the outside and may be connected to the internal bus of the portable terminal 100. The touch screen panel keeps an eye on the contact result and sends corresponding signals to the touch screen panel controller when there is a touch input. The touch screen panel controller processes the signals and then transmits the corresponding data to the controller 180 so that the controller 180 can know whether there is a touch input and which area of the touch screen has been touched.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, or a three-dimensional display. 3D display) may include at least one. In addition, two or more display units 151 may exist according to the implementation form of the mobile terminal 100. For example, the external display unit (not shown) and the internal display unit (not shown) may be simultaneously provided in the portable terminal 100.

The audio output module 153 outputs 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, In addition, the sound output module 153 outputs a sound signal related to a function performed in the portable terminal 100, for example, a call signal reception sound and a message reception sound. The sound output module 153 may include a speaker, a buzzer, and the like.

The alarm unit 155 outputs a signal for notifying the occurrence of an event of the portable terminal 100. Examples of events occurring in the mobile terminal 100 include call signal reception, message reception, key signal input, and the like. The alarm unit 155 outputs a signal for notifying occurrence of an event in a form other than an audio signal or a video signal. For example, the signal may be output in the form of vibration. The alarm unit 155 can output a signal to notify when a call signal is received or a message is received. Also. When the key signal is input, the alarm unit 155 may output the signal as a feedback to the key signal input. The user may recognize the occurrence of an event through the signal output from the alarm unit 155. A signal for notifying the occurrence of an event in the portable terminal 100 may also be output through the display unit 151 or the sound output module 153. [

The memory 160 may store a program for processing and controlling the controller 180 and may provide a function for temporarily storing input or output data (for example, a phone book, a message, a still image, a video, etc.). It can also be done.

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), RAM The storage medium may include at least one type of storage medium. In addition, the mobile terminal 100 may operate a web storage that performs a storage function of the memory 150 on the Internet.

The interface unit 170 serves as an interface with all external devices connected to the portable terminal 100. Examples of external devices connected to the mobile terminal 100 include a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a memory card, a SIM / UIM card, and the like, and an audio I / O (Input). / Output) terminal, video I / O (Input / Output) terminal, earphone, and the like. The interface unit 170 receives data from the external device or receives power from the external device and transmits the data to each component in the portable terminal 100 so that data in the portable terminal 100 can be transmitted to the external device .

The interface unit 170 is a path through which power from the cradle connected when the portable terminal 100 is connected to the external cradle is supplied to the portable terminal 100 or various command signals inputted from the cradle by the user are carried And may be a passage to be transmitted to the terminal 100.

The controller 180 typically controls the operation of the respective units to control the overall operation of the mobile terminal 100. For example, perform related control and processing for voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia playback module 181 for multimedia playback. The multimedia playback module 181 may be configured in hardware in the controller 180 or may be configured in software separately from the controller 180.

In addition, the power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

The mobile terminal 100 having such a configuration can be configured to be operable in a communication system capable of transmitting data through a frame or a packet, including a wired / wireless communication system and a satellite-based communication system. have.

The portable terminal related to the present invention has been described above in terms of components according to functions. Hereinafter, referring to FIGS. 2 and 3, the portable terminal related to the present invention will be further described in terms of components according to appearance. Hereinafter, for convenience of description, a slider type portable terminal having a touch screen among various types of portable terminals such as a folder type, a bar type, a swing type, a slider type, etc. will be described as an example. However, the present invention is not limited to the slider type portable terminal, but can be applied to all types of portable terminals including the aforementioned type.

2 is a perspective view of a portable terminal according to an embodiment of the present invention viewed from the front. Referring to FIG. 2, the portable terminal includes a first body 100A and a second body 100B configured to be slidable in at least one direction on the first body 100A.

A state in which the first body 100A is disposed to overlap the second body 100B may be referred to as a closed configuration. As shown in FIG. 2, the first body 100A may be referred to as the second body 100B. The exposed state of at least a portion of the N may be referred to as an open configuration.

Although the mobile terminal 100 operates mainly in the standby mode (Standby Mode) in the closed state, the standby mode may be released by the user's operation. In addition, the mobile terminal 100 operates mainly in a call mode or the like in an open state, but may be switched to a standby mode by a user's manipulation or a lapse of a predetermined time.

 The case forming the outer appearance of the first body 100A is formed by the first front case 100A-1 and the first rear case 100A-2. Various electronic components are embedded in the space formed by the first front case 100A-1 and the first rear case 100A-2. At least one intermediate case may be further disposed between the first front case 100A-1 and the first rear case 100A-2. Such cases may be formed by injecting synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti).

In the first body 100A, specifically, the first front case 100A-1, the display unit 151, the first sound output module 153a, the first camera 121a, and the first user input unit 130a are provided. Can be deployed.

The display unit 151 includes a liquid crystal display (LCD), organic light emitting diodes (OLED), and the like, which visually express information. The display unit 151 may be configured such that the touch pad is overlapped in a layer structure so that the display unit 151 operates as a touch screen to input information by a user's touch. The first sound output module 153a may be implemented in the form of a receiver or a speaker. The first camera 121a may be implemented to be suitable for capturing an image or a video of a user or the like.

Like the first body 100A, the case forming the external appearance of the second body 100B is formed by the second front case 100B-1 and the second rear case 100B-2. The second user input unit 130b may be disposed on the front surface of the second body 100B, specifically, the second front case 100B-1. The third and fourth user input units 130c and 130d, the microphone 123, and the interface unit 170 are disposed on at least one of the second front case 100B-1 or the second rear case 100B-2). Can be.

The first to fourth user input units 130a, 130b, 130c, and 130d may be collectively referred to as the user input unit 130, and may be adopted in any manner as long as the user is tactile manner in a tactile manner. have.

For example, the user input unit 130 may be implemented as a dome switch or a touch pad that may receive a command or information by a user's push or touch operation, or may be operated by a wheel or jog method or a joystick that rotates a key. Or the like.

In functional terms, the first user input unit 130a is for inputting a command such as start, end, scroll, etc., and the second user input unit 130b is for inputting numbers, letters, symbols, and the like. In addition, the third and fourth user input units 130c and 130d may operate as hot-keys for activating a special function in the mobile terminal 100.

The microphone 123 may be implemented in a form suitable for receiving a user's voice, other sounds, and the like. The interface unit 170 serves as a passage for allowing the portable terminal according to the present invention to exchange data with an external device. For example, the interface unit 170 may be at least one of a wired or wireless connection terminal for connecting to the earphone, a port for short-range communication, or a power supply terminal for supplying power to the mobile terminal 100. have. The interface unit 170 may be a card socket that accommodates an external card such as a subscriber identification module (SIM) or a user identity module (UIM) and a memory card for storing information.

On the side of the second rear case 100B-2, a power supply unit 190 for supplying power to the portable terminal is mounted. The power supply unit 190 is, for example, a rechargeable battery, and may be detachably coupled to the second body 100B for charging.

3 is a rear perspective view of the mobile terminal shown in FIG. 2. Referring to FIG. 3, a wheel type fifth user input unit 130e and a second camera 121b may be additionally mounted on the rear surface of the second rear case 100B-2 of the second body 100B. The sixth user input unit 130f may be disposed on the side surface of the second body 100B.

The second camera 121b may have a photographing direction substantially opposite to that of the first camera module 121a and may have different pixels from the first camera 121a. For example, in the case of a video call or the like, the first camera 121a has a low pixel so that the user's face is photographed and transmitted to the other party, and the second camera 121b photographs a general subject and does not transmit it immediately. In many cases, it is desirable to have a high pixel.

The flash 125 and the mirror 126 may be additionally disposed adjacent to the second camera 121b. The flash 125 shines light toward the subject when the subject is photographed by the second camera 121b. The mirror 126 allows a user to see his / her own face or the like when the user wants to photograph himself (self-photographing) using the second camera 121b.

A second sound output module (not shown) may be further disposed on the second rear case 100B-2. The second sound output module may implement the stereo function together with the first sound output module 153a, and may be used for talking in the speakerphone mode.

In addition, an antenna (not shown) for receiving a broadcast signal may be disposed on one side of the second rear case 100B-2 in addition to an antenna for a call. The antenna may be installed to be pulled out of the second body 100B. A portion of the slide module 100C for slidably coupling the first body 100A and the second body 100B is disposed on the first rear case 100A-2 side of the first body 100A. The other part of the slide module 100C may be disposed on the second front case 100B-1 side of the second body 100B and may not be exposed to the outside as shown in FIG. 3.

In the above description, the second camera 121b and the like are disposed on the second body 100B, but the present invention is not limited thereto. For example, at least one or more of the components described as disposed in the second rear case 100B-2, such as the second camera 121b, may be the first body 100A, mainly the first rear case 100A-2. It is also possible to mount on). In such a configuration, there is an advantage that the components disposed in the first rear case 100A-2 in the closed state are protected by the second body 100B. In addition, even if the second camera 121b is not separately provided, the first camera 121a may be rotatably formed to be able to photograph up to the photographing direction of the second camera 121b.

The rear case 100A-2 is provided with a power supply unit 190 for supplying power to the portable terminal. The power supply unit 190 is, for example, a rechargeable battery, and may be detachably coupled to the rear case 100A-2 for charging.

4 is a view referred to for explaining the operation of the proximity sensor used in the portable terminal according to the present invention. As shown in FIG. 4, when a user's finger approaches the display unit 151, the proximity sensor 141 installed on the first body detects this and outputs a proximity signal. In this case, when the user's finger is in the D3 position and the D2 or D1 position, it may be configured to output different proximity signals. That is, the distance that the detection object approaches the proximity sensor and outputs the proximity signal is called a detection distance Sn. When the proximity signals output from each proximity sensor are compared using a plurality of proximity sensors having different detection distances, You can see how close the object is.

In addition, a plurality of proximity sensors having different detection areas are arranged to determine which proximity sensor is output from among the proximity sensors to determine which area of the display unit 151 the detection object approaches, and the detection object. May be determined to move closer to the display unit 151. Accordingly, the controller 180 may control various operations according to the degree of proximity of the user's finger, etc. to the display unit 151 and the proximity position.

5 is a flowchart illustrating a method for controlling operation of a portable terminal according to an embodiment of the present invention.

As shown in FIG. 5, a menu is displayed on the display unit 151 (S400). One or more menus may be displayed, and all menus executable in the mobile terminal 100 may be displayed.

Next, the proximity sensor 141 detects a proximity signal input through an area where the first menu is displayed among the menus displayed in step S400 (S405).

When the proximity signal is detected through the region in which the first menu is displayed, the controller 180 displays the lower menu of the first menu in order from the region in which the first menu is displayed in order of high use frequency (S410). That is, the first submenu displayed in the area where the first menu is displayed is the most used menu, and the second submenu displayed farthest from the first submenu is the least used menu. Here, not only a submenu, a menu for executing an operation, but also a music file, a text file, and a video file may be included.

In addition, the controller 180 can display the sub-menu displayed in step S410 as a circular icon, a square icon, or a text list. Even when the text list is displayed, the submenus may be displayed in the order of high frequency of use from the region where the first menu is displayed.

While the lower menus are displayed in the order of high frequency of use, the controller 180 determines whether a touch signal is input (S415). As a result of the determination of S415, when the touch signal is input, the controller 180 executes a lower menu displayed in the region where the touch signal is input (S420).

On the other hand, if it is determined in S415 that the touch signal is not input, the controller 180 determines whether the proximity signal detected in step S405 is no longer detected (S425). As a result of the determination in S425, when the proximity signal is no longer detected, the controller 180 ends displaying the lower menu of the first menu (S430) and displays the menus as in operation S400. On the other hand, if it is determined that the proximity signal is detected as a result of S425, the controller 180 continues to display the submenu displayed in step S410.

6 and 7 are diagrams illustrating an operation control method of a mobile terminal according to the present invention together with a screen displayed on a display unit.

As illustrated in FIG. 6, menus 500 including a first menu 510, a second menu 520, and a third menu 530 are displayed.

When a proximity signal is detected in an area where the first menu 510 is displayed, as shown in FIG. 7A, submenus 511 to 517 of the first menu 510 are displayed as circular icons. . Among the submenus, the first submenu 511 with the highest frequency of use is displayed in the area in which the first menu is displayed, and the second submenu 512, the third submenu 513, and the second highest frequency of use are displayed. 4 The submenu 514 is displayed in an area close to the area where the first menu is displayed, and the fifth submenu 515, the sixth submenu 516, and the seventh submenu 517 which have the lowest frequency of use are displayed. 1 The menu is displayed in the area farthest from the displayed area.

When a proximity signal is detected in an area where the second menu 520 is displayed, as shown in FIG. 7B, the sub files 521 to 529 included in the second menu 520 are represented by a square icon. Is displayed. The first subfile 521 having the highest frequency of use is displayed in the area where the second menu 520 is displayed, and the second subfile having the second highest frequency of use based on the file of the first subfile 521. Nine subfiles 522 to 529 are displayed around the area where the first menu is displayed.

As shown in FIGS. 7A and 7B, when the area where the proximity signal is detected is a boundary area of the display area, since there is no area where a submenu is to be displayed anymore, the frequency of use in the first direction is shown. Are displayed in a high order, and when the area where the proximity signal is detected is the center of the display area, they are displayed in the order of high frequency of use in the 360 degree direction around the area where the proximity signal is detected.

Meanwhile, when a proximity signal is detected in an area where the third menu 530 is displayed, as shown in FIG. 7C, the submenus 531 to 535 of the third menu 530 are in a text list form. Is displayed. The first submenu 531 with the highest frequency of use is displayed in the region where the third menu is displayed, and the second submenu 532 and the third submenu 533 which have the highest frequency of use are the third menu. The fourth submenu 534 and the fifth submenu 535, which are displayed in an area close to the displayed area, and which have the lowest usage frequency, are displayed in the area farthest from the area where the third menu is displayed.

In addition, the portable terminal and its operation control method according to the present invention are not limited to the configuration and method of the embodiments described as described above, the embodiments are all of the embodiments so that various modifications can be made Or some may be selectively combined.

On the other hand, the present invention can be implemented as a processor-readable code in a processor-readable recording medium provided in the mobile terminal, such as MSM (Mobile Station Modem). The processor-readable recording medium includes all kinds of recording devices that store data that can be read by the processor. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and also include a carrier wave such as transmission through the Internet. The processor-readable recording medium can also be distributed over network coupled computer systems so that the processor-readable code is stored and executed in a distributed fashion.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

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

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

3 is a rear perspective view of a portable terminal according to an embodiment of the present invention;

4 is a view referred to for explaining the operation of the proximity sensor,

5 is a flowchart illustrating a method for controlling a mobile terminal operation according to an embodiment of the present invention;

6 and 7 are diagrams illustrating an operation control method of a portable terminal according to the present invention together with a screen displayed on a display unit.

Claims (5)

In the operation control method of a portable terminal including a proximity sensor, Displaying a menu in a first area; And If the proximity signal is detected by the proximity sensor in the first area, displaying the lower menu of the menu in order of high frequency of use, based on the first area. The method of claim 1, The sub menu may be displayed as any one of a circular icon, a square icon, and a text list. The method of claim 1, The submenu is at least one of a music file, a text file, and a video file. The method of claim 1, If the proximity signal is no longer detected, terminating display of a lower menu of the menu. A proximity sensor for detecting a proximity signal; A display unit which displays a menu in a first area; And And a control unit for displaying the lower menu of the menu in order of high frequency of use, based on the first area, when the proximity signal is detected by the proximity sensor in the first area.

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