KR20100060714A - Transmission system for providing url information using multi screen and method thereof - Google Patents

Abstract

PURPOSE: A transmission system for providing URL Information using a multi screen and a method thereof are provided to quickly transmit contents to users by transmitting the detailed information to other terminal in real time, in case user wants to know the detailed information about the specific object for the watching TV within the broadcasting contents. CONSTITUTION: A first local wireless communication unit(131) receives the URL information on a specific object from a set-top box. A first control unit(133) receives the detailed information of the specific object corresponding to the URL information of a web server between a first transceiver unit(137) and the web server through the session connection. The first control unit connects to the web server corresponding to the URL information through the first transceiver unit. A display device(139) displays the detailed information of the specific object.

Description

Transmission System for Providing URL Information using Multi Screen and Method Thereof}

The present invention relates to a content delivery service, and more particularly, to a transmission system and method for providing URL information of content using a multi-screen for transmitting URL information about a specific object included in broadcast content to another display device. will be.

Modern digital TV systems are interactive or interactive TV broadcasts, which are useful for providing additional information unlike conventional analog broadcasts.

Such digital broadcasting broadcasts contents provided by contents providers (CP) in MPEG2-TS (Transport Stream) format together with video and audio taken by broadcasting stations, and users (viewers) are connected to a set top box (STB). The broadcast is received and viewed on a digital TV screen.

On the other hand, data broadcasting is a technical concept that can transmit and broadcast documents, still images, graphics, audio, video, and software products to information processing devices such as PCs, set-top boxes, or mobile communication devices at high speed. In addition to the program-related information, weather, securities, news information, the Internet and e-commerce is possible.

Such data broadcasting has a characteristic that when a digital signal is transmitted to a broadcast radio wave, a receiver automatically decodes and processes the data, and the receiver receives the result directly or controls other machinery or the like based on the information. Say a broadcast in a new field. The data broadcast signal has a common point with digital broadcast that digitally transmits audio and video signals through digital transmission.

Data broadcasting is a method of multiplexing and transmitting data signals to radio and television broadcasting, but there are also data broadcasting for transmitting information independent of data broadcasting for transmitting contents related to these broadcasting as digital signals. Such data broadcasting can be said to be a multimedia information service that combines the advantages of a wireless transmission system using television radio waves and the interactive function of the Internet.

On the other hand, a web server is a request for a web client of a web client to request an HTML document of a location specified in a URL (Uniform Resourse Locator) to the web server 120 using the HTTP (HyperText Transfer Protocol) protocol. Find the received HTML document and provide it to the client. The web client's web browser shows the provided HTML document to the user through the user's display device according to the format. At this time, the HTML document that the web server sends to the client is delivered without modification, as it is stored in the location specified in the URL regardless of the user's various computing environments.

The biggest feature of the web server is that it can provide information in the form of hypertext or hypermedia. Hypertext refers to information that contains links to other information as text information. Hypermedia refers to information including not only simple text but also links to various types of information such as pictures, voices, and moving images. Point. Thus, the user can receive a new document at the URL specified in the link by clicking on the link on the screen. Like many other Internet services, the Web uses a client / server system. Web clients (hereinafter referred to as "web browsers") and web servers are a type of application that exchanges data through standard protocols. HTTP (HyperText Transfer Protocol) is one of the standard protocols of the web. It is used for the communication between the web client and the web server in the exchange of hypertext or hypermedia web documents.

Recently, when contents including television broadcasting data are transmitted to a digital TV, technology development for viewing detailed information on a specific object of broadcasting contents regardless of data broadcasting with other wireless devices in connection with the web server. This is required.

An object of the present invention is to receive a real-time transmission to a separate wireless terminal when the user wants to read the detailed information on the specific object included in the broadcast object in the middle of watching the broadcast.

However, the objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In the transmission method for providing the URL information of the content using the multi-screen according to an embodiment of the present invention, the set-top box receives the broadcast content and the URL information of a plurality of specific objects included in the broadcast content from the content server to the broadcast content Transmitting a transmission to the IPTV; When the selection signal of the specific object is input to the set-top box from the IPTV at any point in time at which the received broadcast content is displayed through the IPTV, the set-top box includes URL information of the selected specific object corresponding to the selection signal. Extracting step of extracting; And displaying, by the set-top box, transmitting the URL information of the selected specific object to a wireless terminal to receive and display detailed information of the selected specific object from the corresponding web server using the URL information of the selected specific object. It may include.

The transmitting may include: transmitting, by the set-top box, the broadcast content request signal by the IPTV to the content server; It may include.

In the displaying step, the set-top box may transmit URL information of the selected specific object to the wireless terminal through short range wireless communication.

According to another aspect of the present invention, there is provided a method for providing URL information of content using a multi-screen, from a set-top box for receiving broadcast content and URL information of a plurality of specific objects included in the broadcast content from a content server. A receiving step of receiving URL information of the selected specific object; And displaying, by the wireless terminal, using the URL information of the selected specific object, receiving and displaying detailed information of the selected specific object from a corresponding web server. It may include.

The displaying may include: receiving, by the wireless terminal, the converted IP address by transmitting URL information of the selected specific object to a DNS server; And receiving, by the wireless terminal, detailed information of the selected specific object from the web server using the IP address. It may include.

In a transmission system for providing URL information of contents using a multi-screen according to an embodiment of the present invention, a broadcast content and URL information of a plurality of specific objects included in the broadcast content are received from a content server, and the broadcast content is converted into an IPTV. If the selection signal of the specific object is input from the IPTV at any point in time of transmitting and transmitting the real-time transmission content through the IPTV, URL information of the selected specific object corresponding to the selection signal is extracted. Set-top box for transmitting to a wireless terminal by; And the wireless terminal receiving the URL information of the selected specific object from the set-top box through short-range wireless communication and receiving and displaying detailed information of the selected specific object from a corresponding web server. It may include.

According to an aspect of the present invention, there is provided a wireless terminal comprising: a first short range wireless communication unit configured to perform short range wireless communication with a set-top box that receives URL contents of a plurality of specific objects included in broadcast contents and broadcast contents from a content server; A first transceiver for performing wireless communication; A display device displaying data received by the first transceiver; And controlling the first short-range wireless communication unit to receive the URL information of the specific object selected by IPTV among the URL information of the plurality of specific objects from the set-top box, from the corresponding web server using the URL information of the selected specific object. A first control unit controlling the first transmitter to receive detailed information of the selected specific object, and controlling to display detailed information of the selected specific object through the display apparatus; It may include.

The wireless terminal may include: a first database unit configured to store detailed information of the selected specific object received from the web server by the first transceiver; It may further include.

The first control unit may receive the converted IP address by transmitting the URL information to a DNS server when receiving the URL information, and receive detailed information of the selected specific object from the web server using the IP address.

Set-top box according to an embodiment of the present invention, the second transceiver for performing wired communication; A second short range wireless communication unit which performs short range wireless communication with a wireless terminal; And controlling the second transceiver to receive broadcast content and URL information of a plurality of specific objects included in the broadcast content from a content server, and transmit the broadcast content to an IPTV, and display the broadcast content through the IPTV. When the selection signal of the specific object is input from the IPTV at a time point of time, the URL information of the selected specific object corresponding to the selection signal is extracted, and the URL information of the selected specific object is transmitted to the wireless terminal. A second control unit controlling a short range wireless communication unit; It may include.

The set top box includes a second database unit for storing URL information of the plurality of specific objects received by the second transceiver; It may further include.

According to the present invention, when a user watches a broadcast by receiving broadcast content through an IPTV and wants to read detailed information on a specific object included in the broadcast content, the user can receive a real-time transmission to a separate wireless terminal.

In addition, according to the present invention, when the user displays detailed information on a specific object included in the broadcast content on the existing IPTV, the corresponding portion displaying the detailed information provides an effect of solving the problem of not being able to view the corresponding broadcast content. do.

Hereinafter, a detailed description of a preferred embodiment of the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, detailed descriptions of well-known functions or configurations will be omitted when it is deemed that they may unnecessarily obscure the subject matter of the present invention.

Meanwhile, in the present specification, when one component 'transmits' data or a signal to another component, any one component may directly transmit data or a signal to another component, and at least one other This means that a component can transmit data or a signal to another component.

1 is a block diagram of a transmission system for providing URL information of content using a multi-screen according to an embodiment of the present invention. Referring to FIG. 1, a transmission system for providing URL information includes an IPTV (Internet Protocol Television, 110), a wireless terminal 130, a set top box 200, a communication network (IP network 310, a gateway 330, and a mobile communication network). And a content server 400 and a web server 500.

The IPTV 110 is a device that provides various contents (broadcasting content, video content, audio content, text content, and data content) through a screen through a communication network (xDSL, FTTH, etc.) of an IP-based network. Quality of service (QoS) / quality of experience (QoE), information protection, interaction, and reliability may be satisfied.

 In the present invention, the IPTV 110 has a higher resolution than the wireless terminal 130 and may be a terminal having a large number of pixels, but is not limited thereto. In addition, the IPTV 110 receives the broadcast content transmitted from the content server 400 from the set-top box 200.

In addition, the IPTV 110 transmits a selection signal for a specific object among broadcast contents to the set-top box 200 using the IPTV 110 control device (remote control 111 or keypad 112, see FIG. 4). To this end, the IPTV 110 may include a module for selecting a specific object from the broadcast content while the viewer watches the IPTV 110. Selecting a specific object as the IPTV 110 control device will be described in more detail with reference to FIG. 4.

The wireless terminal 130 is a device for providing Internet data to the user through the wireless link 140, which is a comprehensive concept of portable devices. That is, mobile phones, laptops, personal digital assistants (PDAs), global system for mobile (GSM) phones, wideband CDMA (W-CDMA) phones, CDMA-2000 phones, mobile broadband and system (MBS) phones, and portable multimedia players. ), Such as a handheld computer, may include a multimedia phone and a multimedia player. Here, the MBS phone may be a mobile phone to be used in the fourth generation system currently being discussed.

On the other hand, when the wireless terminal 130 receives the URL information of the specific object selected from the broadcast content from the set-top box 200, the wireless terminal 130 is automatically connected to the web server 500 corresponding to the URL information of the selected specific object An application program for establishing a connection can be provided. When receiving the URL information, the application program may be provided with a module for converting the IP address through the DNS server 370, a module for accessing the web server 500 using the marine IP address to receive detailed information of a specific object.

The base station 145 provides a wireless access link 140 through which the wireless terminal 130 can access the mobile communication network 350, and serves to transmit and receive the user's Internet data through the mobile communication network 350. do.

In the present invention, when the base station 145 receives detailed information data of a specific object of the web server 500 through the IP network 310, the gateways (G / W, 330), and the mobile communication network 350, a wireless access link ( It serves to be received by the wireless terminal 130 via the 140.

The set-top box 200 has a communication function required to use a bidirectional multimedia communication service such as the IPTV 110, content selection menu data such as broadcast content, EPG (Electronic Program Guide), advertisement data, bidirectional multimedia communication service data, etc. Receive In addition, the set-top box 200 has a data storage of the general set-top box for storing the above data.

The set top box 200 is installed at the user side and connected to the IPTV 110. In addition, the set-top box 200 is connected to a content server 400 installed in a business site that provides broadcasting content and other video content through the IP network 310. In addition, the set-top box 220, the IPTV 110 receives the digital broadcast signal and the broadcast content of the various channels provided by the Internet server (IP) from the content server 400, the IPTV connected to the broadcast of the channel selected by the user It is sent out through the screen of 110 so that the user can watch it.

In the present invention, the set-top box 200 also receives and stores URL information of a plurality of specific objects from the content server 400. The viewer transmits a selection signal for the specific object selected from the control device of the IPTV 110 to the set-top box 200. At this time, the set-top box 250 extracts the URL information of the specific object selected from a plurality of previously stored specific objects and transmits the URL information to the wireless terminal 130 through the wireless link 150. In this case, the set-top box 200 may transmit the URL information of the selected specific object to the wireless terminal 130 using short-range wireless communication.

The short range wireless communication may be a Personal Area Network (PAN), Bluetooth, ZigBee, UWB (Ultra WideBAnd).

The communication network refers to a data communication network for data transmission and information exchange between the wireless terminal 130, the set-top box 200, the content server 400 and the web server 500, the IP network 310, the gateway 330 and It may include a mobile communication network (350).

IP network 310 is a high-speed backbone network of a large communication network capable of large capacity, long distance voice and data service, for example, may be the Internet (Internet). In addition, the IP network 310 may be a next-generation wired network for providing a high speed multimedia service based on ALL IP (Internet Protocol).

The gateway (G / W, 330) is one of the protocol converters, and data between the wireless terminal 130 wirelessly connected through the mobile communication network 350 and the web server 400 connected by wire through the IP network 310. Enables sending and receiving. The gateway 330 is a Wap Gateway, and may include a protocol stack for the wireless terminal 130 to access the web server 500.

The mobile communication network 350 may be a synchronous mobile communication network or an asynchronous mobile communication network. As an embodiment of the asynchronous mobile communication network, a WCDMA (Wideband Code Division Multiple Access) communication network is exemplified. In this case, although not shown in the figure, the mobile communication network 350 may include a Radio Network Controller (RNC) and an asynchronous MSC. Meanwhile, although the WCDMA network is taken as an example, it is well known that it may be changed to a next-generation mobile communication network such as 3G LTE network and 4G network.

DNS server 370 is a kind of name server that converts the received URL information into a corresponding IP address, and converts a symbolic name (Symbolic Name) into a numeric address used by the machine to inform. In the present invention, the DNS server 370 recognizes the URL when the URL information is input from the wireless terminal 130, and returns the IP address of the URL to the wireless terminal 130. Thereafter, the wireless terminal 130 receives the detailed information of the specific object by connecting to the web server 500 corresponding to the IP address received from the DNS server 370. Accordingly, the display device of the wireless terminal 130 may display detailed information of the received specific object.

The content server 400 is a server installed in a broadcasting station. The content server 400 stores a page provided by a content provider, an object such as broadcast content, and then requests a broadcast content from the IPTV 110 through the set-top box 200. If present, the server performs a role of transmitting the corresponding broadcast content. More specifically, the content server 400 plays a role of transmitting content corresponding to digital broadcasting of various channels requested from the IPTV 110, and transmits some of the content held by the content server 400 to the set-top box 200. Can be sent and stored. Through this, the set-top box 200 is able to quickly provide the content according to the request of the IPTV (110).

Meanwhile, in the present invention, the content server 400 may transmit not only the broadcast content but also URL information of a plurality of specific objects included in the broadcast content to the set top box 200.

The web server 500 includes a plurality of web servers 500-1 to 500-n, and has a resource corresponding to URL information of a specific object to which the user's wireless terminal 130 wants to access. Server that provides. The web server 500 may receive a HyperText Transfer Protocol (HTTP) request from the wireless terminal 130 having a web browser, and may provide a HyperText Markup Language (HTML) document or the like according to the HTTP request.

In the present invention, the web server 500 may perform a function of returning detailed information of a specific object in response to a request for detailed information of the specific object received from the wireless terminal 130.

In this case, the request for detailed information of a specific object of the wireless terminal 130 may be performed using an IP address through the DNS server 370.

2 is a block diagram showing the structure of the wireless terminal 130 of FIG.

As shown in FIG. 2, the wireless terminal 130 includes a first short range wireless communication unit 131, a first control unit 133, a first database unit 135, a first transceiver 137, and a display device 139. ) May be included.

The first short range wireless communication unit 131 receives URL information about a specific object from the set top box 200. That is, the URL information is received from the set-top box 200 which is a URL providing apparatus in the present invention.

The first controller 133 is loaded with various application programs for the user, and matches the first transceiver 137. The first control unit 133 transmits the detailed information of the specific object, which is data corresponding to the URL information stored in the web server 500, through the session connection between the first transmission / reception unit 137 and the web server 500. ), Through the gateway 330, the mobile communication network 350, and the base station 145.

The first controller 133 connects to the web server 500 corresponding to the URL information received through the first short range wireless communication unit 131 through the first transceiver 137 and corresponds to the corresponding web server 500. It also controls the automatic access to web pages or files of websites.

As such, when the URL information received through the first short-range wireless communication unit 131 is received, the first controller 131 is equipped with an application program for automatically accessing a web page on which an internet site or a file is located by using the URL information. This enables the wireless terminal 130 to automatically connect to the Internet just by updating the software.

More specifically, the first control unit 131 requests the IP address translation to the DNS server 370 when receiving the URL information through the first short-range wireless communication unit, accordingly to the corresponding web server 500 using the returned IP address I can connect it.

The first database unit 135 stores detailed information of the specific object received from the web server 500 through the first transceiver unit 137.

In addition, the first database unit 135 stores the URL information received from the set-top box 200 through the first short-range wireless communication unit 131 for a predetermined period of time (for example, 5 minutes) and then deletes the URL information. Can be.

Meanwhile, in the present specification, the database may mean a functional structural combination of software and hardware that stores information corresponding to each database. The database may be implemented as at least one table, and may further include a separate Database Management System (DBMS) for searching, storing, and managing information stored in the database. In addition, it may be implemented in various ways such as linked-list, tree, and relational database, and includes all data storage media and data structures capable of storing information corresponding to the database.

The first transceiver 137 modulates the data transmitted from the first controller 133 into a wireless RF signal and transmits the data to the base station 145 or receives a wireless RF signal received from the base station 145 to perform RF signal demodulation. After that, it serves to transfer to the first control unit 133.

In the present invention, the first transceiver 137 receives detailed information of a specific object from the web server 500 using the URL information received from the first short-range wireless communication unit 131.

More specifically, the first transceiver 137 transmits the received URL information to the DNS server 370 and then accesses the web server 500 having the corresponding web page or file using the returned IP address. Performs the reception of detailed information.

The display apparatus 139 may include a screen displaying detailed information of the specific object received through the first transceiver 137.

3 is a block diagram showing the structure of the set-top box 200 of FIG.

Referring to FIG. 3, the set top box 200 includes a second transceiver 210, a second database 230, a second controller 250, and a second short range wireless communication unit 270. Hereinafter, each component of the set-top box 200 will be described in more detail.

The second transceiver 210 receives the broadcast content and uniform resource locator (URL) information of a plurality of specific objects included in the broadcast content from the content server 400. In addition, the second transceiver 210 transmits the received broadcast content to the IPTV 110 so that the user of the IPTV 110 can watch the broadcast in real time.

The second database unit 230 stores the URL information of the specific object received from the second transceiver 210. In addition, the second database unit 230 may also store broadcast content.

The second control unit 250 uses a selection signal of a specific object by the IPTV 110 control device (remote control 111 or keypad 112, see FIG. 4), and stores a plurality of data stored in the second database unit 230. Extract URL information of the selected specific object that matches from the URL information of the specific object. The second controller 250 controls to transmit the URL information of the selected specific object to the wireless terminal 130 through the second short range wireless communication unit 270 which will be described later.

The second short range wireless communication unit 270 transmits the URL information of the selected specific object to the wireless terminal 130 using short range wireless communication.

4 is a view for explaining a method of selecting a specific object using the screen 113 of the IPTV in the transmission system for providing the URL information of the content using the multi-screen according to an embodiment of the present invention.

1 to 4, the viewer of the IPTV 110 may select an area A indicated by a dotted rectangle using an adjusting device (remote control 111 or keypad 112). For example, as shown in the figure, soccer shoes of a soccer player indicated by area A can be selected.

To this end, the content server 400 may transmit URL information of a plurality of specific objects together with the broadcast content to the second database unit 230 of the set-top box 200.

An example of URL information of a specific object stored in the second database unit 230 may be as shown in FIG. 5.

That is, the object A is for the soccer shoes (specific objects) of the soccer player of FIG. 4, and for the corresponding soccer shoes, a web server 500 including a URL such as http://www.nxn.co.kr/index.html. ) For more information.

On the other hand, the range may mean that the area indicated by the center point of the rectangle A represents a point for soccer shoes from A01 to C12. A01 to C12 may be a range for a pixel. According to an embodiment of the present invention, the alphabet may represent a horizontal pixel and the number may represent a vertical pixel.

The selection signal for the specific object selected by the above method is transmitted to the set-top box 200. Thereafter, as described above, the set-top box 200 extracts URL information matching the selection signal and transmits the URL information to the wireless terminal 130 through the second short range wireless communication unit 270, thereby extracting the URL from which the wireless terminal 130 is extracted. The detailed information of the specific object is received from the web server 500 using the information.

6 is a flowchart illustrating a transmission method for providing URL information of content using a multi-screen according to an exemplary embodiment of the present invention. 1 to 6, although not shown first, the IPTV 110 requests a specific broadcast content to the set-top box 200 through an adjusting device (remote control or keypad, see FIG. 4), and the set-top box 200. Transmits the broadcast content request received from the IPTV 110 to the content server 400.

The content server 400 transmits the URL content of the plurality of specific objects included in the broadcast content and the broadcast content to the set-top box 200 according to the request (S10). The set-top box 200 stores the broadcast content and URL information of a plurality of specific objects (S20) and transmits the received broadcast content to the IPTV 110 (S30) to display the broadcast content through the IPTV 110. .

At any point in time when the IPTV 110 displays the broadcast content, the user of the IPTV 110 selects a specific object by specifying a range (A range in FIG. 4) as a control device (S40), and the selection signal is set-top box ( 200) (S50).

The set-top box 200 extracts the URL information of the selected specific object corresponding to the selection signal from the URL information of the plurality of specific objects stored in S20 (S60), and transmits it to the wireless terminal 130 (S70).

The wireless terminal 130 transmits the URL information of the selected specific object extracted by the extraction step S60 to the DNS server 370 (S80), and receives the converted IP address in response to the DNS server 370. (S90).

The wireless terminal 130 requests detailed information of the selected specific object through the connection of the web server 500 using the IP address received from the DNS server 370 (S100). That is, the wireless terminal 130 establishes a session with the web server 500 through the base station 145, the mobile communication network 350, the gateway 330, and the IP network 310, and then requests detailed information of a specific object. . The web server 500 transmits the detailed information of the selected specific object to the wireless terminal 130 according to the request (S110).

The user may be provided with the effect of eliminating the inconvenience of searching again for the selected specific object by receiving detailed information of the specific object selected by the wireless terminal 130 possessed by the user in real time.

 The invention can also be embodied as computer readable code on a computer readable recording medium. Computer-readable recording media include any type of recording device that stores data that can be read by a computer system. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage devices, and the like, which are also implemented in the form of carrier waves (eg, transmission over the Internet). It also includes.

The computer readable recording medium can also be injected onto a networked computer system so that the computer readable code is stored and executed in a distributed fashion. And functional programs, codes and code segments for implementing the present invention can be easily inferred by programmers in the art to which the present invention belongs.

Although the contents of the present invention have been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art may realize various modifications and other equivalent embodiments therefrom. I will understand. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

The transmission system and method for providing URL information of contents using the multi-screen of the present invention can be obtained when the user wants to know detailed information about a specific object included in the broadcast content while watching the broadcast by receiving the broadcast content. Can be transmitted in real time to the terminal. Therefore, users can receive content more efficiently and quickly, and content providers can contribute to expanding related businesses by providing high quality services to customers.

1 is a block diagram of a transmission system for providing URL information of content using a multi-screen according to an embodiment of the present invention.

FIG. 2 is a block diagram showing the structure of the radio terminal of FIG.

3 is a block diagram illustrating a structure of the set top box of FIG. 1.

FIG. 4 is a diagram illustrating a method of selecting a specific object using a screen of an IPTV in a transmission system for providing URL information of content using a multi screen according to an embodiment of the present invention.

5 is a diagram illustrating URL information of a plurality of specific objects stored in a second database unit according to an embodiment of the present invention.

6 is a flowchart illustrating a transmission method for providing URL information of content using a multi-screen according to an exemplary embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

110: IPTV 130: wireless terminal

200: set-top box 400: content server

500: web server

Claims (11)

A transmission step of a set-top box receiving broadcast content from a content server and URL information of a plurality of specific objects included in the broadcast content, and transmitting the broadcast content to an IPTV; When the selection signal of the specific object is input to the set-top box from the IPTV at any point in time when the broadcasting content is displayed through the IPTV, the set-top box extracts URL information of the selected specific object corresponding to the selection signal. An extraction step; And A display step of the set-top box transmitting URL information of the selected specific object to a wireless terminal to receive and display detailed information of the selected specific object from a corresponding web server using URL information of the selected specific object; Transmission method for providing URL information of the content using a multi-screen comprising a. The method of claim 1, wherein the transmitting step, Transmitting, by the set top box, the broadcast content request signal by the IPTV to the content server; Transmission method for providing URL information of the content using a multi-screen comprising a. The method of claim 1, wherein the displaying step, And a method of providing URL information of contents using a multi-screen, wherein the set-top box transmits URL information of the selected specific object to the wireless terminal through short-range wireless communication. A receiving step of receiving URL information of the specific object from which a wireless terminal is selected from a set-top box which receives broadcasting content and URL information of a plurality of specific objects included in the broadcasting content from a content server; And A display step of the wireless terminal receiving and displaying detailed information of the selected specific object from a corresponding web server using URL information of the selected specific object; Transmission method for providing URL information of the content using a multi-screen comprising a. The method of claim 4, wherein the displaying step, Receiving, by the wireless terminal, the converted IP address by transmitting URL information of the selected specific object to a DNS server; And Receiving, by the wireless terminal, detailed information of the selected specific object from the web server using the IP address; Transmission method for providing URL information of the content using a multi-screen comprising a. Receives broadcast content and URL information of a plurality of specific objects included in the broadcast content from a content server and transmits the broadcast content to IPTV in real time. When a selection signal of the specific object is input from the IPTV at any point in time at which the received broadcast content is displayed through the IPTV, URL information of the selected specific object corresponding to the selection signal is extracted and transmitted to the wireless terminal. Set-top box; And The wireless terminal receiving the URL information of the selected specific object from the set top box through short-range wireless communication and receiving and displaying detailed information of the selected specific object from a corresponding web server; Transmission method for providing URL information of the content using a multi-screen comprising a. A first short-range wireless communication unit configured to perform short-range wireless communication with a set-top box for receiving broadcast content and URL information of a plurality of specific objects included in the broadcast content from a content server; A first transceiver for performing wireless communication; A display device displaying data received by the first transceiver; And Controlling the first short-range wireless communication unit to receive URL information of the specific object selected by IPTV among the URL information of the plurality of specific objects from the set-top box, Controlling the first transmitter to receive detailed information of the selected specific object from a corresponding web server using URL information of the selected specific object, A first control unit controlling to display detailed information of the selected specific object through the display apparatus; Wireless terminal comprising a. The method of claim 7, wherein A first database unit for storing detailed information of the selected specific object received from the web server by the first transceiver; Wireless terminal further comprising. The method of claim 7, wherein the first control unit, And receiving the converted IP address by transmitting the URL information to a DNS server when receiving the URL information, and receiving detailed information of the selected specific object from the web server using the IP address. A second transceiver for performing wired communication; A second short range wireless communication unit which performs short range wireless communication with a wireless terminal; And Controlling the second transceiver to receive broadcast content from a content server and URL information of a plurality of specific objects included in the broadcast content and transmit the broadcast content to an IPTV; When the selection signal of the specific object is input from the IPTV at any point in time when the broadcasting content is displayed through the IPTV, URL information of the selected specific object corresponding to the selection signal is extracted.  A second control unit controlling the second short range wireless communication unit to transmit the URL information of the selected specific object to the wireless terminal; Set top box comprising a. The method of claim 10, A second database unit for storing URL information of the plurality of specific objects received by the second transceiver; Set top box further including.

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