KR101431609B1 - Mobile device, remote display, system for controlling remote display and control method thereof - Google Patents

Abstract

A mobile terminal, a remote display, a remote display control system and a control method thereof are disclosed. A method for controlling a remote display, the method comprising: accessing the Internet with a unique access address of a remote display; navigating to a web page for controlling a remote display over the Internet to initiate a connection with the web server; Displaying a control screen of a remote display on the web page, detecting a user operation on the control screen, and transmitting a control signal corresponding to the user operation to the web server.
Accordingly, the digital signage can be controlled through the website accessible through the web browser of the mobile terminal, so that the interaction between the user and the digital signage can be improved and the utilization of the digital signage can be increased.

Description

Technical Field [0001] The present invention relates to a mobile terminal, a remote display, a remote display control system, and a control method thereof,

The present invention relates to a mobile terminal, a remote display, a remote display control system, and a control method thereof, and more particularly to a mobile terminal, a remote display, and a remote display control system for controlling a display screen of an external display using a mobile terminal And a control method thereof.

2. Description of the Related Art In recent years, the use of smart terminals such as smart terminals and smart pads has become widespread, and attempts have been made to control various electronic devices using the smart terminals.

To this end, it is necessary to install the device control software and the driver program designed for the target electronic device, as in the Korean Registered Patent No. 10-1179912, in the smart terminal, and also to the target electronic device in the package It is necessary to install the software to control the device.

In order to control a specific electronic device with the smart terminal, it is troublesome to install the software in advance in the smart terminal. Especially, in the case of the electronic device which does not have such a preparation task in advance, There is a problem and utilization is low. In other words, although digital signage has been continuously increasing, the use of software has been decreasing due to the problem of installing software in advance in such a smart terminal. Furthermore, there is an inconvenience in preparing software for device control for each device in the case of users of the smart terminal, and since the operating system (OS) used in the smart terminal is various from the perspective of a company developing electronic devices (Android, iOS ) There is a problem of developing software for each operating system.

It is an object of the present invention to provide a mobile terminal that connects to the Internet with a unique connection address of a remote display, initiates a connection with a web server and transmits a control signal for controlling a remote display, A display control system and a control method thereof are provided.

A method for controlling a mobile terminal for controlling a remote display, comprising the steps of: accessing the Internet with a unique access address of the remote display; Displaying a control screen of the remote display on the web page, detecting a user operation on the control screen, and receiving a control signal corresponding to the user operation To the web server.

The step of connecting to the Internet may include executing a web browser included in the mobile terminal and inputting a unique access address of the remote display to the web browser.

The step of connecting to the Internet further comprises the steps of activating an adjacent magnetic field communication (NFC communication) with the remote display, reading the NFC tag of the remote display through the NFC communication, Lt; RTI ID = 0.0 > Internet < / RTI > connection address.

In addition, the mobile terminal includes a camera module, and the remote display has a QR code including a unique connection address on one side thereof. The connecting to the Internet may include capturing a QR code using the camera module, Decoding the QR code, and accessing the Internet with the unique access address obtained as a result of decoding the QR code.

The unique connection address may also be a URL address for enabling connection with the remote display and identifying the remote display.

The method may further include receiving an error message indicating that the remote display is not controlled according to the control signal when the control signal is transmitted to the web server.

Also, a plurality of mobile terminals may be provided, and a plurality of mobile terminals may simultaneously access the Internet with the unique access address, and may transmit a control signal corresponding to a plurality of user operations to the web server.

In addition, the remote display is provided in plurality, and the plurality of remote displays each include a unique connection address that is different from each other, and the step of connecting to the Internet further comprises the steps of: You can connect to the Internet by changing the connection address.

According to another aspect of the present invention, there is provided a remote display control method for displaying a screen according to a control of a mobile terminal, the method comprising: initiating a connection with a web server by accessing the Internet; Receiving a control signal from a mobile terminal connected to the Internet through a unique connection address of the remote display through the web server; and outputting a display screen according to the control signal.

On the other hand, the unique access address is an address enabling the mobile terminal to connect to the remote display, and may be a URL address for identifying the remote display.

The step of outputting the display screen in response to the control signal may include the steps of determining whether an error has occurred in the display screen according to the control signal or not and generating an error message and transmitting the generated error message to the web server As shown in FIG.

In addition, a plurality of mobile terminals are provided, a plurality of mobile terminals simultaneously access the Internet with the unique connection address, and the remote display receives a control signal corresponding to a plurality of user operations from the web server, Can be output.

According to the mobile terminal, the remote display, the remote display control system, and the control method of the present invention, the digital signage can be controlled through a web site accessible by a web browser of the mobile terminal, And thus the utilization of digital signage can be increased.

In addition, since a web site accessible through a mobile communication network of a mobile terminal is used, there is no restriction of an operating system, and existing web and digital signage and contents made for digital signage can be utilized.

Also, if maintenance is needed, it is easy to maintain because it only needs to modify the website linked with digital signage, which has a high sustainability advantage.

1 is a diagram illustrating an embodiment of a remote display control system of the present invention.
2 is a control block diagram of the mobile terminal shown in FIG.
3 is a control block diagram of the remote display shown in Fig.
FIG. 4 is a diagram illustrating a state in which the mobile terminal shown in FIG. 1 recognizes the QR code of the remote display.
5 is a diagram showing another embodiment of the remote display control system of the present invention.
6 is a diagram illustrating another embodiment of the remote display control system of the present invention.
7 is a flowchart showing an embodiment of a method of controlling a remote display in a mobile terminal of the present invention.
8 is a flowchart showing an embodiment of a method of outputting a screen in the remote display of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings. While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and are herein described in detail.

It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is noted that the terms "comprises" or "having" in this application are intended to specify the presence of stated features, steps, operations, components, parts, or combinations thereof in one or more other features or acts, , Components, parts, or combinations thereof, as a matter of convenience, without departing from the spirit and scope of the invention.

Also, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

1 is a diagram illustrating an embodiment of a remote display control system of the present invention.

The remote display control system 1000 according to the present embodiment includes a mobile terminal 100, a wireless base station 212, a mobile communication switching center 214, a data core network 216, a web server 300, An interworking device 400, a gateway 500, an Internet 600 and a remote display 700.

The remote display control system 1000 enables a user to grasp the status of the remote display 700 using the mobile terminal 100 and to perform various function controls or to use various services.

On the other hand, a user may be a subscriber subscribed to a service provided by a specific content provider, or simply any user who is located in a specific space and controls a remote display located in the specific space. In particular, when the user is a subscriber subscribed to a service provided by a specific content provider, the service is received through an Internet document included in a web site operated by the specific content provider, and then a remote display Can be controlled. As a result, the user can use a mobile terminal, a display installed in public facilities such as an Internet display installed in a street of a street, a subway station, a train station, a bus terminal, an airport, a city hall, and a library or a display installed in an entertainment facility such as a game room, Display or the like, or experience interaction among a plurality of users through a display.

More specifically, the mobile terminal 100 according to the present embodiment may access the web page of the Internet 600 through the unique connection address of the remote display 700 to control the remote display 700. To this end, the mobile terminal 100 is connected to an Internet protocol (MIE) based on HTML using a HTTP protocol, a handheld device transport protocol (HDPT), an i-mode of NTT DOKOMO, And the like. In particular, the mobile terminal 100 can generate a control signal according to an operation of the user through the API of the HTML 5.

The mobile terminal 100 may be connected to the Internet 600 through an RFID based proximity communication means such as a remote display 700 and an adjacent field communication (NFC) As shown in FIG. 3, the mobile terminal 100 recognizes the QR code 10 located on one side of the remote display 700 and can directly access the Internet 600.

Such a mobile terminal 100 may include, but is not limited to, a mobile phone, a smart phone, a notebook, a tablet PC, and the like.

The mobile communication network 200 includes a radio base station 212, a mobile communication switching center 214 and a data core network 216 and is wirelessly connected to the mobile terminal 100. The mobile communication network 200 is connected to the web server 300 and performs a function of allowing the mobile terminal 100 to control the remote display 700.

The wireless base station 212 of the mobile communication network 200 performs functions necessary for wireless signal processing such as a location registration function, a wireless channel allocation function, and a handoff. The mobile communication switching center 214 performs basic and supplementary service processing for providing a voice communication service, reception and transmission processing of a subscriber, location registration and handoff procedure processing, and interworking with other networks. The data core network 216 includes a high-speed data service, an internet / intranet access service, a virtual private network (VPN) access service, a simple IP and mobile IP service, a point- Point Protocol) authentication, charging and packet compression.

The web server 300 is a server through which the user of the mobile terminal 100 accesses via the Internet 600 to control the remote display 700. The web server 300 may provide a web page for providing a control screen so that the remote display control service can be used. The web page provided by the web server may be set to automatically log in when the mobile terminal 100 is connected.

The web server 300 is implemented as a network server and can receive a control signal from the mobile terminal 100 using a remote display control service through a web socket. The web server 300 allocates a unique connection address to the remote display 700 and provides a web page linked to the unique connection address. The web server 300 may transmit a control signal from the mobile terminal 100 to the remote display 700 and receive an error message from the remote display 700 and forward it to the mobile terminal 100 (forwarding).

When the mobile terminal 100 is located between the wireless communication system and the wired communication system and sends a wireless communication signal to access the web server 300 using the mobile communication network, Provides an interface for converting data into wired data or converting wired data transmitted from the web server 300 to the mobile terminal 100 into wireless data and functions to convert the protocol between the packet system and the circuit system. In general, the manganese interlocking device 400 is directly connected to a mobile communication switching center to connect a wired communication network and a wireless communication network.

The gateway 500 performs processing such as communication code conversion and protocol conversion between the mobile communication network and the wired Internet network to quickly search and display information on the wired Internet and transmits the converted data to the mobile communication network and the Public Switched Telephone Network (PSTN) (Public Switched Data Network), ISDN (Integrated Services Digital Network), B-ISDN (Broad ISDN), IN (Intelligent Network) and PLMN (Public Land Mobile Network).

Meanwhile, the gateway 500 may request the internet service by the Web protocol from the mobile terminal 100, convert the protocol into a TCP / IP (Transmission Control Protocol) protocol, and transmit it to the web server 300. Conversely, response data by the TCP / IP protocol from the Web server 300 may be received, converted to a Web protocol, and transmitted to the mobile terminal 100.

The Internet 600 provides a connection path so that the mobile terminal 100 accesses a web page provided by a mobile communication company via the mobile communication network 200 and uses a service required for the mobile terminal 100 when accessing a wireless Internet Communication network.

The remote display 700 controls its function from the outside and receives a control signal so that the various services provided by the remote display 700 can be used externally, and displays a screen accordingly. The remote display 700 can access the Internet 600 through the TCP / IP, which is a unique access address allocated from the Web server 300, and can operate in conjunction with the Web server 300. Accordingly, the remote display 700 can output the display screen according to the control signal transmitted through the web server 300. [

1 illustrates only a display as a remote device that can be controlled by the mobile terminal 100. However, the present invention is not limited to a digital TV, an electronic frame, and the like as long as the display is accessible by a user at a certain place.

2 is a control block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensor unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, and a power supply 190.

The wireless communication unit 110 may include at least one module that enables wireless communication between the mobile terminal 100 and the mobile communication network 200. The wireless communication unit 100 may include at least one module that enables wireless communication between the mobile terminal 100 and the wireless communication network. The mobile terminal 100 can access the Internet 600 through the wireless communication unit 110 and transmit a control signal from the user to the web server 300.

The wireless communication unit 110 includes a mobile communication module 111, a wireless Internet module 112, and a short-range communication module 113.

The mobile communication module 111 can transmit / receive at least one radio signal among a radio base station and another mobile terminal on the mobile communication network 200. The wireless signal may include a voice call signal, a video call signal, or various types of data associated with transmission / reception of a text / multimedia message.

The wireless Internet module 112 is a module for wireless Internet access. The wireless Internet module 112 may be embedded or enclosed in the mobile terminal 100. WLAN (Wireless LAN), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 113 is a module for short-range communication. The near field communication may be Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, or the like.

In particular, the local area communication module 113 of the mobile terminal 100 of the present embodiment further includes an adjacent field communication (NFC) module. At this time, if the mobile terminal 100 is located close to the remote display 700, the neighboring field communication module automatically activates NFC communication to set an NFC communication channel, and transmits the NFC communication channel through the NFC communication channel to the remote display 700 Reads the NFC tag and accesses the Internet with the unique connection address of the remote display 700 stored in the NFC tag.

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 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 through the display unit 151. [ In particular, the camera 121 of this embodiment photographs the QR code located on one side of the remote display 700, and transmits the image data of the captured QR code to the control unit 180. [

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 user input unit 130 is provided so that the user can generate input data for controlling the operation of the mobile terminal 100. The user input unit 130 may include a switch, a touch pad, and the like.

The sensor unit 140 includes a touch sensor 141 positioned at the lower end of the user input unit 130 of the mobile terminal 100 and capable of sensing touch or depression of the user, An acceleration sensor 142 and a gyro sensor 143 capable of detecting the rotational speed of the mobile terminal 100. [ In particular, the sensor unit 140 of the present embodiment can detect an input through the user's input unit 130 of the user controlling the remote display 700 and a user's movement of moving or rotating the mobile terminal 100, And transmits it to the control unit 180.

The output unit 150 may include a display unit 151, an audio output module 152, and an alarm unit 153.

The display unit 151 may display information processed by the mobile terminal 100. [ The display unit 151 executes a user's web browser for connection with the remote display 700 and outputs a series of processes of accessing a web page through the Internet by inputting a unique connection address of the remote display 700, ≪ / RTI > Also, the display unit 151 displays a control screen of the remote display on the web page, and allows the user to input a control signal on the control screen.

The sound output module 152 can output the data received from the wireless communication unit in the communication mode, the recording mode, the voice recognition mode, and the like.

The alarm unit 153 may process a signal for generating an event of the mobile terminal 100.

The memory 160 stores a program for processing and controlling the mobile terminal 100. The memory 160 may include a program for detecting a user operation on the control screen through the user input unit 130 and the sensor unit 140 and generating a control signal that is a sensor signal thereof and a program for decoding the QR code .

The interface unit 170 may serve as a channel with all external devices connected to the mobile terminal 100. The interface unit 170 can receive data from an external device. The interface unit 170 receives power from an external device and can transmit the power to the internal components of the mobile terminal 100. The interface unit 170 may output data in the mobile terminal 100 to the outside.

The controller 180 may control the overall operation of the mobile terminal 100. In particular, the control unit 180 generates a control signal corresponding to the user operation received from the user input unit 130 and the sensor unit 140 as a sensor signal, and transmits the control signal to the wireless communication unit 110.

Further, the control unit 180 can decode the image data of the QR code received from the camera 121. [ The control unit 180 decides whether or not the identifier field value obtained by decoding the QR code matches the pre-stored value, and decodes the content field other than the identifier field of the QR code, And a URL address, which is a unique access address that can be accessed through the Internet 600. In addition, the control unit 180 transmits the URL address to the wireless communication unit 110, and enables the Internet connection with the URL address.

3 is a control block diagram of a remote display according to one embodiment of the present invention.

The remote display 700 according to the present embodiment includes a communication unit 710, an output unit 720, a memory 730, an interface unit 740, a control unit 750, and a power supply unit 760 Lt; / RTI >

The communication unit 710 may include at least one module that enables communication with a web server through an Internet connection. The communication unit 710 receives a control signal of a mobile terminal accessing the Internet through a unique connection address through a web server. In addition, the communication unit 710 transmits the error message received through the control unit 750 to the web server, and forwards the error message to the mobile terminal.

The communication unit 710 may include a broadcast receiving module 711, an Internet module 712, and a local area communication module 713.

The broadcast receiving module 711 can receive a broadcast signal, a broadcast related signal, or advertisement contents from an external broadcast management server through a broadcast channel.

The Internet module 712 is a module for wired or wireless Internet access. The Internet module 7112 supports the Internet connection of the remote display 700 to enable communication with the web server.

The short-range communication module 713 is a module for supporting short-range communication with a mobile terminal located within a predetermined distance. The near field communication may be Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, or the like.

In particular, the near field communication module 713 of the present embodiment further includes an adjacent field communication (NFC) module. The adjacent field communication module includes an NFC tag for storing a unique access address that can be connected to the remote display 700, and allows the mobile terminal to access the Internet through a unique access address obtained through reading the NFC tag.

The output unit 720 may include a display unit 721 and an audio output module 722.

The display unit 721 can display information processed in the remote display 700. [ The display unit 721 outputs a display screen according to the control signal transmitted from the mobile terminal so that the user of the mobile terminal can confirm whether the remote display 700 is controlled according to the control input thereof.

The sound output module 722 can output the data received from the communication unit in the broadcast reception mode or the like.

The memory 730 stores a program for processing and controlling the remote display 700. In particular, the memory 730 includes a program for previously storing a unique connection address of the remote display 100, a program for processing a control signal received from the mobile terminal and outputting a display screen according to the control signal, And determines whether or not an error message is generated.

The interface unit 740 may serve as a path for communication with all external devices connected to the remote display 700. The interface unit 740 can receive data from an external device. The interface unit 740 receives power from an external device and can transmit the power to each component in the remote display 700.

The control unit 750 can control the overall operation of the remote display 700. [

The control unit 750 transmits an image signal to the display unit 721 so that the display unit 721 outputs a display screen according to a control signal from the mobile terminal received from the communication unit.

When the display unit 721 outputs a display screen, the control unit 750 determines whether the output display screen conforms to the control signal. If it is determined that the display screen does not match the control signal, the control unit 750 displays an error message through the communication unit 710, .

5 is a diagram illustrating a remote display control system 1000 that enables control of a remote display at a plurality of mobile terminals, according to another embodiment of the remote display control system 1000 of the present invention.

More specifically, the remote display control system 1000 according to the present embodiment includes a plurality of mobile terminals 100-1, 100-2,..., A wireless base station 212, a mobile communication switching center 214, The network 200 includes a data core network 216, a web server 300, a network interworking device 400, a gateway 500, the Internet 600, and a remote display 700.

It is possible for a plurality of mobile terminals 100-1, 100-2, ... to access the Internet 600 at a unique connection address of the remote display 700 and access the web server 300 at the same time. Accordingly, the plurality of mobile terminals 100-1, 100-2, ... are simultaneously connected to a web page for controlling the remote display 700 via the Internet 600, and a plurality of A control signal corresponding to a user operation is transmitted to the web server 300 so that the remote display 700 outputs a display screen corresponding to a plurality of user operations.

In addition, the plurality of mobile terminals 100-1, 100-2,... Not only transmit the control signal of the remote display 700, but also transmit mutual data transmission with other mobile terminals simultaneously connected to the remote display 700 This is possible.

Thus, users of a plurality of mobile terminals 100-1, 100-2,... Located in a space can experience a real-time interaction between users by operating one remote display 700. [

The other remote display control systems according to FIG. 5 are the same as those of FIGS. 1 to 4, and a description thereof will be omitted.

Figure 6 illustrates another embodiment of a remote display control system 1000 of the present invention that supports a system for controlling a plurality of remote displays 700-1, 700-2 ... at a mobile terminal 100 Lt; RTI ID = 0.0 > 1000 < / RTI >

The remote display control system 1000 according to FIG. 6 is a service that enables seamless use of control services of a plurality of remote displays 700-1, 700-2,... Regardless of the position of the mobile terminal 100 A mobile terminal 100, a wireless base station 212, a mobile communication switching center 214, a data core network 216, a web server 300, a manganese interlocking device 400, a gateway 500 An Internet 600, and a plurality of remote displays 700-1, 700-2,.

More specifically, the user's mobile terminal 100 accesses the Internet through any one of the unique connection addresses of the plurality of remote displays 700-1, 700-2, 2 ...). That is, the mobile terminal 100 controls the remote display currently connected to the Internet 600 by changing the unique connection address currently connected to the Internet 600 to another unique connection address, and controls other remote displays. Accordingly, the user of the mobile terminal 100 can control a plurality of remote displays 700-1, 700-2, ... by changing only the Internet access address.

This has the advantage that the content can be used regardless of the place while maintaining the remote display and the interaction at the moved place even if the user moves.

5 and 6 show only a control system between a plurality of mobile terminals and a remote display or a control system between a mobile terminal and a plurality of remote displays, Of course, a system capable of performing multiple (multi) interactions is also possible.

7 is a flowchart illustrating a method of controlling a remote display in a mobile terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 7, the mobile terminal accesses the Internet with a unique connection address of the remote display to be controlled and starts communication with a web server linked with the web page. [0088] More specifically, A unique access address of the display is input and the web page is accessed to access the Internet with the unique access address and to control the remote display. In addition, the mobile terminal activates NFC communication with a remote display located within a predetermined distance using the adjacent field communication module, identifies the NFC tag of the remote display, and accesses the Internet with the unique connection address of the remote display stored in the NFC tag . Also, the mobile terminal can photograph the QR code located on one side of the remote display through the camera, decode it, and start the Internet connection with the URL address, which is the unique connection address of the remote display stored in the QR code.

When communication with the web server is started (810), the mobile terminal displays a control screen of the web page (820) and detects a user operation on the control screen (830).

In addition, the mobile terminal transmits a control signal corresponding to a user operation to the web server (840).

Also, as a result of transmitting the control signal, the mobile terminal can receive (850) and output (860) an error message indicating that the screen of the remote display is not changed according to the control signal through the web server, The user can easily know whether his or her operation is reflected in the remote display.

8 is a flowchart illustrating a screen output method of a remote display according to an embodiment of the present invention.

Referring to FIG. 8, the remote display accesses the Internet to enable data transmission / reception with the web server (910). When the Internet connection with the web server is completed, the remote display receives the control signal from the mobile terminal connected to the Internet with the unique connection address through the web server (920), and outputs the display screen according to the control signal (930 ).

In operation 940, the remote display determines whether an error has occurred because the output display screen does not match the control signal. If an error occurs in operation 940, the remote display transmits an error message to the web server in operation 950.

According to the method and system for controlling the remote display in the mobile terminal of the present invention, it is possible to control the digital signage through the website accessible through the web browser of the mobile terminal, thereby improving the interaction between the user and the digital signage This can increase the usability of digital signage.

In addition, since a web site accessible through a mobile communication network of a mobile terminal is used, there is no restriction of an operating system, and existing web and digital signage and contents made for digital signage can be utilized.

Also, if maintenance is needed, it is easy to maintain because it only needs to modify the website linked with digital signage, which has a high sustainability advantage.

Claims (12)

A mobile terminal control method for controlling a remote display,
Accessing the Internet with a unique access address of the remote display;
Moving to a web page for controlling the remote display via the Internet and initiating a connection with the web server;
Displaying a control screen of the remote display on the web page;
Detecting a user operation on the control screen;
Transmitting a control signal corresponding to the user operation to the web server; And
Wherein the remote display is set to enable remote control when the mobile terminal is located in a predetermined specific space around the remote display and a plurality of mobile terminals located in the specific space simultaneously control the remote display, Wherein the plurality of users controlling interaction on the screen of the one remote display perform an interaction on the screen of the one remote display. The method according to claim 1,
Wherein the connecting to the Internet comprises:
Executing a web browser included in the mobile terminal, and inputting a unique access address of the remote display to the web browser. The method according to claim 1,
The step of connecting to the Internet
Activating adjacent field communication (NFC communication) with the remote display;
Reading an NFC tag of the remote display through the NFC communication; And
And accessing the Internet with a unique access address of the remote display obtained as a result of reading the NFC tag. The method according to claim 1,
The mobile terminal includes a camera module,
The remote display has a QR code on one side with a unique connection address,
Wherein the connecting to the Internet comprises:
Capturing a QR code using the camera module and decoding the QR code; And
And accessing the Internet with the unique access address obtained as a result of decoding the QR code. The method according to claim 1,
Wherein the unique access address comprises:
A method of controlling a mobile terminal that enables connection with a remote display and is a URL address for identifying the remote display. The method according to claim 1,
When the control signal is transmitted to the web server,
And receiving an error message indicating that the remote display is not controlled in accordance with the control signal. The method according to claim 1,
The plurality of mobile terminals are provided,
A plurality of mobile terminals simultaneously access the Internet with the unique access address,
And transmits a control signal corresponding to a plurality of user operations to the web server. The method according to claim 1,
Wherein the remote display is provided in plurality,
The plurality of remote displays each include a different unique contact address,
Wherein the connecting to the Internet comprises:
And changing the unique connection address according to at least one remote display to be controlled among the plurality of remote displays to access the Internet. A remote display control method for outputting a screen according to a control of a mobile terminal,
Accessing the Internet and initiating a connection with a web server;
Receiving a control signal from a mobile terminal connected to the Internet through a unique connection address of the remote display through the web server;
Outputting a display screen in accordance with the control signal; And
Wherein the remote display is set to enable remote control when the mobile terminal is located in a predetermined specific space around the remote display and a plurality of mobile terminals located in the specific space simultaneously control the remote display, Wherein the plurality of users controlling the remote display to perform an interaction on the screen of the one remote display. 10. The method of claim 9,
The unique connection address
An address for enabling the mobile terminal to connect to a remote display,
Wherein the remote display is a URL address for identifying the remote display. 10. The method of claim 9,
Wherein the step of outputting the display screen according to the control signal comprises:
Determining whether an error has occurred in the display screen according to the control signal; And
And generating an error message and transmitting the error message to the web server if the error is determined to be generated. 11. The method of claim 10,
The plurality of mobile terminals are provided,
A plurality of mobile terminals simultaneously access the Internet with the unique access address,
Wherein the remote display receives a control signal corresponding to a plurality of user operations from the web server and outputs a display screen accordingly.

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