KR20110004686A - Mobile terminal and operation method thereof - Google Patents

Abstract

PURPOSE: A portable terminal and an operation method thereof are provided to supply information related to a subway by providing a map to a user and by executing an automatic call connection or a web server connection according to the selection of a user. CONSTITUTION: A display unit(151) displays a map image displaying public transportation in order to transfer information about a subway station. When a user selects a station, a control unit(180) displays an identification number, about subway train passing through the selected station, on a display unit. The control unit displays the subway information related to the route of a subway train corresponding to the selected identification number among the identification numbers.

Description

Mobile terminal and operation method thereof

The present invention relates to a portable terminal and a method of operating the same, and more particularly, to a portable terminal and a method of operating the same, which can conveniently provide information related to the subway.

A portable terminal is a portable device that is portable and has one or more functions of performing 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. You can play videos and music through the mobile terminal, and you can also access the web server and use the wireless Internet.

In addition, as the memory size of the portable terminal increases, various types of information may be stored in the portable terminal. The producer may store information useful to the user in the portable terminal from the production stage, and a calendar, a language dictionary, a game, and a subway map may be stored in the portable terminal.

In general, the subway route map and the bus information related to the subway, which are stored in the mobile terminal, are provided only in text, and thus, it is difficult to provide accurate information to the user, and it is difficult to provide the user-oriented service as the collectively stored information by the producer.

Accordingly, there is a need for a method of providing a user-centered service and providing information related to a subway to a user conveniently using a portable terminal.

An object of the present invention is to provide a user with information related to the subway with a map, and by executing a web server connection or automatic call connection according to the user's selection, various information such as subway connection bus, exit information to the user conveniently The present invention provides a portable terminal and a method of operating the same.

In accordance with another aspect of the present invention, there is provided a method of operating a mobile terminal, the method comprising: displaying a map screen indicating an exit of a subway station and a stop of a transitable means of transportation on a display unit; Displaying information on the exit; and displaying information on the means of transportation via the selected stop when one of the stops is selected.

The present invention for achieving the above object is, as a mobile terminal, a display unit for displaying a map screen indicating an exit to the subway station and the transfer means of transfer, and at the time of selecting any one of the stops, via the selected stop And a control unit which displays an identification number for the transportation means and displays subway station information associated with a line of the transportation means corresponding to the selected identification number among the identification numbers on the display unit.

According to the present invention, it is possible to provide information visually and to provide user-oriented information through a map.

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.

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 component 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. The short-range communication module 117 refers to a module for short-range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, etc. may be used. A 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 may be converted into a form transmittable to the mobile communication base station through the mobile communication module 113 and output in the communication mode. The microphone 123 may use various noise removing algorithms for removing noise generated in the process of 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, whether the slide phone is opened or closed may be sensed. 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 position sensor 141. The position sensor 141 is a sensor for detecting the position of the portable terminal and the information of the position set by the user. Using the location sensor 141, it is possible to provide a location tracking service, public safety services, location-based information services. The location sensor 141 may obtain location information using a Global Positioning Service (GPS), a Location Based Service (LBS), a Geographic Information System (GIS), and the like.

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, an audio 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 mobile terminal 100 is in a call mode, the mobile terminal 100 displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a shooting mode, the mobile terminal 100 may display the captured or received images, respectively, or simultaneously, and display the UI and the GUI.

Meanwhile, as described above, when the display unit 151 and the touch pad form a mutual layer structure to form 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 a bus inside the portable terminal. 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.

In addition, the display unit 151 may include a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a three-dimensional display. It may include at least one of the display (3D display). 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 sound output module 153 outputs audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. 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. When a call signal is received or a message is received, the alarm unit 155 may output a vibration to inform this. Alternatively, when a key signal is input, the alarm unit 155 may output a vibration in response to the key signal input. This vibration output allows the user to recognize the occurrence of the event. Of course, the signal for notification of event occurrence may 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 mobile 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 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.

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 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 bar type portable terminal having a front touch screen among various types of portable terminals such as a folder type, a bar type, a swing type, a slider type, and the like will be described as an example. However, the present invention is not limited to the bar 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, showing a portable terminal including two display units. Referring to FIG. 2, the case forming the exterior of the portable terminal 100 is formed by the front case 100A-1 and the rear case 100A-2. Various electronic components are embedded in the space formed by the front case 100A-1 and the rear case 100A-2. The front case 100A-1 and the rear case 100A-2 may be connected in a folder type or may be connected in a slide type. At least one intermediate case may be further disposed between the front case 100A-1 and the 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).

The first display unit 151a, the first sound output module 153a, and the first camera 121a may be disposed in the main body, specifically, the front case 100A-1. The second display unit 151b may be disposed on the rear case 100A-2, and the first user input unit 130c and the microphone 123 may be disposed on the side of the rear case 100A-2. have. In addition, a second user input unit such as a keypad may be disposed in the front case 100A-1 and the rear case 100A-2.

The first display unit 151a and the second display unit 151b include a liquid crystal display (LCD), organic light emitting diodes (OLED), and the like, which visually express information. The first display unit 151a and the second display unit 151b may be configured to allow input of information by a user's touch by operating as a touch screen by overlapping the touch pad in a layer structure.

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. The microphone 123 may be implemented in a form suitable for receiving a user's voice, other sounds, and the like.

The first to second user inputs may be collectively referred to as a user manipulating portion 130. 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 terms of functionality, the first user input 130c can act as a hot-key for activating a special function in the mobile terminal 100, and the second user input 130 can start, end, call, and It may operate to input a selection of an operation mode or the like.

3 is a rear perspective view of the mobile terminal shown in FIG. 2. Referring to FIG. 3, a fourth user input unit 130d, a fifth user input unit 130e, and an interface unit 170 may be disposed on the side of the rear case 100A-2, and the rear case 100A-2 may be disposed. The second camera 121b may be additionally mounted on the rear side of the).

The second camera 121b may have a photographing direction substantially opposite to that of the first camera 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 mirror 125 and the flash 126 may be further disposed adjacent to the second camera 121b. The flash 126 illuminates the subject when the subject is photographed by the second camera 121b. The mirror 125 allows the user to see his / her own face or the like when the user wants to photograph (self-photograph) the second camera 121b.

The second sound output module may be further disposed on the rear case 100A-2. The second sound output module may implement a stereo function together with the first sound output module 153a and may be used for a call in the speakerphone mode.

In addition, an antenna for receiving a broadcast signal may be disposed on one side of the rear case 100A-2 in addition to an antenna for a call. The antenna may be installed to be pulled out of the rear case 100A-2.

The interface unit 170 serves as a path for allowing the portable terminal 100 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.

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

In the above description, the second camera 121b and the like are disposed on the rear case 100A-2, but the present invention is not limited thereto. In addition, even if the second camera 12b is not separately provided, the first camera 121a may be rotatably formed to be able to shoot up to the photographing direction of the second camera 121b.

4 is a flowchart illustrating a method of operating a portable terminal according to an embodiment of the present invention.

As shown in FIG. 4, a subway station information menu is selected based on a user command (S400). The subway station information menu may be selected by a touch signal input through a touch screen, or may be selected through key input data generated by the user input unit 130.

When the subway station information menu is selected in step S400, the controller 180 displays a map on the display unit 151, and displays information related to the subway station on the map (S405).

The information related to the subway station includes a subway station, an exit of the subway station, a bus stop around the subway station, and may include a main place around the subway station and a main direction around the subway station. The subway station displayed on the map may be the subway station nearest to the current location of the mobile terminal based on the result output from the position sensor 141, or may be a subway station selected by a user's selection or a subway station search.

The controller 180 can visually provide information to the user by displaying the information related to the subway station together with a map. The map may be displayed together with a bus connection subway confirmation menu or an estimated time of arrival menu.

Next, the controller 180 determines whether one of the exits of the subway station displayed on the map is selected in step S405 (S410). As a result of the determination in S410, when the exit of the subway station is selected, information on the selected exit is displayed on the display unit 151 (S415). Information about the selected exit includes the exit location, direction of the subway station, the main place around the selected exit, the distance to the main place around the exit, and the like. As a result of the determination in S410, when the exit of the subway station is not selected, information on the exit is not displayed.

Next, the controller 180 determines whether one of the bus stops displayed on the map is selected (S420). As a result of the determination of S420, when the bus stop is selected, the controller 180 displays the bus number passing through the selected bus stop on the display unit 151 (S425). The bus numbers may be classified and displayed according to the types of buses, and the bus numbers may be displayed in different colors according to the types of buses. In addition, the controller 180 may display the unique number of the selected bus stop on the display unit 151.

After the bus number is displayed in the display unit 151 in step S425, the controller 180 determines whether one of the displayed bus numbers is selected (S430). When the bus number is selected, the controller 180 determines whether an estimated time of arrival menu is selected (S435).

In operation S435, when the estimated arrival time menu is selected after the bus number is selected, the controller 180 accesses the web server through the wireless Internet module 115 and searches for the estimated arrival time of the bus corresponding to the selected bus number. In operation S440, the retrieved estimated arrival time may be displayed on the display unit 151.

Alternatively, the controller 180 may automatically execute a call connection with the estimated arrival time guide number (S440). The arrival time guide number may include a regional guide number, a unique number for a bus stop, and a selected bus number. The controller 180 can automatically identify a region-specific guide number corresponding to the current location of the portable terminal based on the result output from the position sensor 141.

On the other hand, if it is determined in S435 that only the bus number is selected, the controller 180 displays subway station information associated with the bus corresponding to the selected bus number (S445). That is, the subway station which can be linked to the selected bus can be displayed, and the linked subway station can be displayed for each subway line. The controller 180 may also display route information of a bus corresponding to the selected bus number.

Provides accurate information related to subway stations such as exits of subway stations, bus stops around subway stations, major places around subway stations, main places around exits, bus numbers passing through selected bus stops, subway station information associated with buses and bus routes To this end, the controller 180 can periodically update the bus station, bus number, exit information, subway station information associated with the bus, and the like by accessing the web server through the wireless Internet module 115.

5 to 10 are diagrams illustrating an operation method of a mobile terminal according to an embodiment of the present invention together with a screen appearing on a display unit.

As shown in FIG. 5, when the subway station information menu is selected, a map 500 is displayed, and the subway station 501, the exit 505 of the subway station, and the bus stop 510 around the subway station are displayed on the map 500. Is displayed. The map 500 may be displayed together with the estimated time of arrival menu 515, and may include a main point or a main direction around the subway station 501.

When one of the exits 505 of the subway station is selected, as shown in FIG. 6, the direction of the selected subway exit 505-1, the main place close to the selected subway exit 505-1, and the distance to the main place Information 520 about the exit, including the back is displayed.

When one of the bus stops 510 is selected, as shown in FIG. 7, a bus number list 525 including a bus number passing through the selected bus stop 510-1 is displayed, and the bus number is a bus type. It may be displayed in different colors according to.

When the bus number is selected while the bus number list 525 is displayed, as shown in FIG. 8A, the subway station 530 that can be associated with the 360 bus corresponding to the selected bus number is displayed. In addition, the linkable subway station 530 may be displayed in different colors for each subway line. On the other hand, when the bus-linked subway confirmation menu 535 is displayed separately on the map 500, as shown in Figure 8 (b), after selecting the bus number from the bus number list 525, bus connection When the subway check menu 535 is selected, a subway station that can be linked with the selected bus number can be checked.

Meanwhile, when one of the bus stops 510 is selected, as shown in FIG. 9, a bus number list 525 including a bus number is displayed, and an estimated time of arrival menu 540 is displayed together with a map.

When the bus number is selected and the expected arrival time menu 540 is selected while the bus number list 525 is displayed, as shown in FIG. 10A, the estimated arrival time retrieved through the web server ( 545 is displayed. If more than one bus number is selected, the estimated arrival time for each bus number may be searched for and displayed. Meanwhile, when the bus number is selected and the estimated time of arrival menu 540 is selected, as shown in FIG. 10 (b), the bus number is automatically connected to the estimated time of arrival information, indicating that the call is being connected (550). Is displayed. The image 550 may include a regional guide number, a unique number for a bus stop, and a selected bus number.

The portable terminal and its operation method according to the present invention are not limited to the configuration and method of the embodiments described as described above, but the embodiments are all or part of each embodiment so that various modifications can be made. It may alternatively be configured in combination.

Meanwhile, the present invention can be embodied as processor readable codes on a processor readable recording medium provided in a mobile terminal such as a mobile station modem (MSM). 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 perspective view of a portable terminal according to an embodiment of the present invention;

3 is a rear perspective view of the mobile terminal shown in FIG. 2;

4 is a flowchart illustrating a method of operating a mobile terminal according to an embodiment of the present invention; and

5 to 10 are diagrams illustrating an operation method of a mobile terminal according to an embodiment of the present invention together with a screen appearing on a display unit.

Claims (15)

Displaying a map screen indicating an exit to a subway station and a stop of a transitable means of communication on a display unit; Displaying information about the selected exit upon selecting any one of the exits; And And displaying information on the means of transportation via the selected stop when any one of the stops is selected. According to claim 1, If the information on the means of transportation is a bus number, displaying the subway station information associated with the line of the bus corresponding to the selected bus number among the bus numbers. The method of claim 2, And displaying a menu for inquiring the estimated time of arrival of the transportation means via the selected stop. The method of claim 3, The method of operation of the mobile terminal further comprises the step of connecting the call to a guide number for guiding the estimated time of arrival, if the transportation means to query in the menu is selected. 5. The method of claim 4, The guide number includes a region-specific guide number based on information output from a location sensor for detecting a current location, a unique number for the selected stop, and a selected bus number. The method of claim 3, And if the transportation means to be inquired is selected from the menu, accessing the internet and searching for and displaying the estimated time of arrival of the transportation means to be inquired. According to claim 1, The subway station is a method of operating a mobile terminal, characterized in that the subway station closest to the current location. According to claim 1, The information on the exit may include at least one of an exit location, a direction of the subway station, a main place around a selected exit, and a distance to the main place. According to claim 1, And displaying a unique number for the selected stop. According to claim 1, And displaying the route information of the transportation means via the selected stop. According to claim 1, And periodically updating at least one of information on the exit and information on the means of transportation via the stop by accessing the Internet. A display unit configured to display a map screen indicating an exit to a subway station and a stop of a transitable means of transportation; And When selecting any one of the stops, to display the identification number for the means of transportation via the selected stop, and to display the subway station information associated with the route of the transportation means corresponding to the selected identification number of the identification number on the display unit A mobile terminal comprising a control unit. The method of claim 12, The controller may further display a menu for inquiring the estimated time of arrival of the transportation means via the selected stop. The method of claim 12, When the control unit selects any one of the exits, the control unit displays at least one of an exit position, a direction of the subway station, a main place around the selected exit, and a distance to the main place on the display unit. . The method of claim 12, It further includes a location sensor for detecting the current location, The control unit is characterized in that, based on the information output from the position sensor, the mobile station characterized in that the nearest subway station on the map screen.

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