KR101660736B1 - Method for displaying user interface and internet protocol television enabling of the method - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for displaying a user interface of an IPTV and an IPTV employing the method. More particularly, the present invention relates to a method for displaying a user interface of an IPTV.

Description

METHOD FOR DISPLAYING USER INTERFACE AND INTERNET PROTOCOL TELEVISION ENABLING THE METHOD < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for displaying a user interface of an IPTV and an IPTV employing the method. More particularly, the present invention relates to a method for displaying a user interface of an IPTV.

Conventional broadcast receivers transmit contents produced by broadcasters through radio wave transmission media such as terrestrial waves, cable or satellite broadcasts, and users are provided with a service through a receiver capable of receiving the transmission media .

However, digital-based digital broadcasting technology has been developed and commercialized in existing analog broadcasting, so that it is possible to use real-time broadcasting, contents on demand (CoD), games, news It is possible to provide various types of content services to users.

An example of content service provision using the Internet network is IPTV (Internet Protocol TV). The IPTV refers to transmitting various information services, moving picture contents, broadcasting, etc. to an user's receiver using an Internet network. The Internet network can be implemented on various types of networks such as an optical fiber network, a coaxial cable network, a fiber to the home (FTTH), a telephone network, and a wireless network based on IP (Internet Protocol).

Meanwhile, as the spread of IPTV becomes popular, there is a need to obtain user agreement on service use by providing IPTV service use conditions for contents or services provided in IPTV. In the IPTV of the related art, There is a problem in that there is a limitation in copyright protection of contents and protection of user rights.

The present invention solves the problems of the related art as described above, and provides IPTV service provision terms for contents or services provided in IPTV, and provides contents or services when user agreement on service use is received, And a user interface display method that can protect the rights and interests of the user, and to provide an IPTV employing the method.

A method of displaying a user interface of an IPTV according to an exemplary embodiment of the present invention includes receiving a network connection command and outputting service usage rule information corresponding to the network connection command on a display screen; And performing a network connection corresponding to the network connection command.

According to another aspect of the present invention, there is provided a method of displaying a user interface of an IPTV, the method comprising the steps of: retrieving confirmation input information for service use condition information corresponding to the content output command, And outputting the service use condition information on a display screen if confirmation input information for the service use condition information is not retrieved.

According to another aspect of the present invention, there is provided an IPTV system including a user input unit receiving a network connection command; A control unit for outputting service use condition information on a display screen in response to the network connection command; And a network interface unit for performing a network connection corresponding to the network connection command.

According to another aspect of the present invention, there is provided an IPTV system including a user input unit receiving a content output command; And a predetermined storage means for retrieving confirmation input information for the service usage rule information corresponding to the content output command and if the confirmation input information for the service usage rule information is not retrieved, And a control unit for outputting the control signal.

The present invention solves the problems of the related art as described above and provides a service use condition for content or service provided in IPTV to provide content or service only when user consents to use the service, And protects the rights and interests of the users.

1 is a diagram schematically showing an IPTV system according to an embodiment of the present invention.
2 is a diagram showing a hierarchical structure for a content download service (CDS: Content Download Service) broadcast of IPTV;
3 is a flowchart illustrating a process of displaying a user interface in IPTV according to an embodiment of the present invention.
FIG. 4 illustrates an embodiment of service usage condition information output according to the present invention; FIG.
5 is a view illustrating an embodiment in which, when a user selects to output service use condition information, the service use condition information is output on a display screen according to the present invention.
6 is a view illustrating an embodiment of user usage rule information that receives a confirmation command for a plurality of items according to the present invention.
7 is a flowchart illustrating a process of providing service use condition information for each content provider according to another embodiment of the present invention.
FIG. 8 illustrates an embodiment of storage means for storing service usage rule information for each content provider according to the present invention. FIG.
9 is a flowchart illustrating a process of updating a version of a service usage condition in IPTV according to an embodiment of the present invention.
10 is a block diagram illustrating a configuration of an IPTV receiver according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The configuration and operation of the present invention shown in the drawings and described by the drawings are described as at least one embodiment, and the technical idea of the present invention and its core configuration and operation are not limited thereby.

Although the terms used in the present invention have been selected in consideration of the functions of the present invention, it is possible to use general terms that are currently widely used, but this may vary depending on the intention or custom of a person skilled in the art or the emergence of new technology. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Therefore, it is to be understood that the term used in the present invention should be defined based on the meaning of the term rather than the name of the term, and on the contents of the present invention throughout.

An IPTV (Internet Protocol Television) system, which is an example of a system capable of providing various contents using the Internet network, can be divided into a server, a network, and a client.

The server of the IPTV includes various servers such as a service discovery and selection server, a streaming server, a contents guide information server, a customer information server, a payment information server, ≪ / RTI >

Among the servers, the streaming server transmits moving picture data encoded by MPEG (Moving Picture Experts Group) 2, MPEG4, etc. stored in the server to a user via a network. A Real-Time Transport Protocol (RTP), an RTP Control Protocol (RTCP), or the like may be used as the protocol for the transmission.

When real-time streaming protocol (RTSP) is used, video stream reproduction may be controlled to a certain extent through a function called network trick play such as pause, replay, and stop . The protocols are examples and other real-time transmission protocols may be used according to embodiments.

The content guide information server is a server for providing information on the various contents provided. The content guide information is information corresponding to EPG (Electronic Program Guide) information and includes various kinds of information about the content. The content guide information server stores content guide information data and provides the stored data to a receiver.

An information server for service discovery and selection among the servers provides access information, playback information, and the like to servers providing various contents services such as broadcasting, contents on demand (COD), and games.

The network system consists of internet based network and gateways. The Internet-based network may be based on IP, such as an optical fiber network, a coaxial cable network, a fiber to the home (FTTH) network, a telephone network, and a wireless network. The gateway can perform not only general data transmission but also multicast group management and quality of service (QoS) management using protocols such as Internet Group Management Protocol (IGMP).

An IPTV receiver is a receiver that receives data transmitted through the Internet and provides it to a user. The receiver includes an IPTV settop, a home net gateway, and an IPTV embedded TV.

In the case of a hybrid IPTV system, various contents of the Internet as well as various existing broadcast contents can be provided. In other words, it is possible to provide various broadcast contents such as terrestrial broadcast, cable broadcast, satellite broadcast, personal broadcast, etc., various Internet video contents, data contents other than video, and the like to users. The contents may be provided in real time or on demand depending on the request.

1 is a diagram schematically illustrating an IPTV system according to an embodiment of the present invention.

The IPTV system may be divided into a content provider (CP), a service provider (SP), a network provider (NP), and a user.

The content provider produces and provides various contents. 1, a terrestrial broadcaster, a cable SO (System Operator) or a MSO (Multiple System Operator), a satellite broadcaster, an Internet broadcasting transmitter (Internet broadcaster).

The service provider provides the contents provided by the contents provider in a service package. For example, the service provider of FIG. 1 packages a first terrestrial broadcast, a second terrestrial broadcast, a cable MSO, a satellite broadcast, various Internet broadcasts, and the like to a user.

2 is a diagram showing a hierarchical structure for a content download service (CDS: Content Download Service) broadcast of IPTV.

Referring to FIG. 2, a service provider transmits data contents for CDS to an IPTV receiver using a transmission protocol. The delivered data content for CDS is stored in the storage of IPTV. The stored CDS data contents can be executed by the user's request or the like. In this case, the transmission protocol may be FLUTE (File Delivery over Unidirectional Transport) on the ALC / LCT over IP / UDP and DVB-STP, DVB data / object carousel, FTP (File Transfer Protocol) hypertext transfer protocol), or the like, and the above-mentioned protocols may be used as an example, and other transmission protocols may be used.

If FLUTE is used as the transmission protocol, the presence or absence of the CDS service can be notified to the IPTV receiver through the service search and selection (SD & S), and the details about the contents can be recorded in the metadata of the TV Anytime format, Can be found through.

The CDS data contents may include various types of contents and applications such as A / V contents, data contents, and game contents.

3 is a flowchart illustrating a process of displaying a user interface in IPTV according to an embodiment of the present invention.

Referring to FIG. 3, the IPTV according to an embodiment of the present invention receives a network connection command in step S301.

In this case, the network connection command includes all commands to be connected to the network by the IPTV. For example, the network connection command may include not only commands for searching and connecting a wired / wireless network, but also for receiving contents from a content provider via a wired / And a content output command.

In step S302, in response to the network connection command, the IPTV searches the storage unit for verification input information on the service usage rule information. In this case, the storage means includes all means for storing and recording data, and may be a flash memory type, a hard disk type, a multimedia card micro type, Type memory (e.g., SD or XD memory), a random access memory (RAM), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read- ), A programmable read-only memory (PROM), a magnetic memory, a magnetic disk, or an optical disk.

In the present invention, the confirmation input information for the service use condition information is defined as information on the confirmation input of the service use condition information from the user after the service use condition is outputted.

According to the embodiment, the confirmation input information for the service use condition information may be stored differently according to the type of the network connection command. For example, when the network connection command is a content output command, the IPTV may store the service usage rule information for each service provider connected to the network in response to the content output command.

If the confirmation input information for the service use condition is not found as a result of the search in the step S302, the IPTV outputs the service use condition information in response to the network connect command in step S303 on the display screen.

Next, in step S304, the IPTV receives a confirmation command for service use condition information from the user, and performs network connection corresponding to the network connection command in step S305.

At this time, when the IPTV receives the confirmation command for the service use condition information, the confirmation input information is stored in the storage means, and when the confirmation input information is retrieved from the storage means upon receiving the next network connection command, It is possible to perform the network connection corresponding to the network connection command.

The confirmation input information may be set to be stored in the storage means for a predetermined period of time according to the embodiment. If the confirmation input information is deleted from the storage means after a predetermined period of time, steps S302 to S305 ) Can be performed again.

In addition, since the service use condition information may be stored in the storage means of the IPTV according to the embodiment, the user may input the confirmation command by outputting the service use condition information, Upon receipt of the service use condition information output command, the service use condition information may be output and the confirmation input information may be input to the storage means.

According to an embodiment of the present invention, the IPTV stores the service use condition confirmation information inputted by inputting the confirmation command for each of a plurality of items included in the service use condition information, in the storage means, When the service use condition confirmation information is retrieved from the storage means upon receipt of the command, the network connection corresponding to the network command can be performed without outputting the service use condition information.

FIG. 4 is a diagram illustrating an embodiment of service usage condition information output according to the present invention.

Referring to FIG. 4, in the IPTV according to an embodiment of the present invention, when confirmation input information on the service use condition is not retrieved from the storage means in the network connection command, or when the user selects to output the service use condition information, And outputs the service use condition information 400 to the display screen.

The service use condition information 400 may include a phrase part 401 for displaying information on content or service provision and a part 402 for receiving a confirmation command from a user.

When the user selects the confirmation command, the IPTV stores the confirmation input information on the service use condition information in the storage means and can perform the network connection corresponding to the network connection command.

In this case, the network connection command includes a content output command, and IPTV receives the content from the content provider after performing a network connection with the content provider corresponding to the content output command.

For example, when a user selects 'web TV' as a content output command and selects a 'close' button 402 in the service usage condition information 400 to input a confirmation command, And then receives and outputs the content from the content provider.

 5 is a diagram illustrating an embodiment of outputting service use condition information on a display screen when a user selects to output service use condition information according to the present invention.

Referring to FIG. 5, in the IPTV according to an embodiment of the present invention, when a user selects a network 502 in a user interface 501 in which a network connection can be selected, a user who can output service terms 505 And outputs the interface 503.

When the service use condition 505 is selected in the user interface 503, the IPTV can output the service use condition information 506.

When the user selects the 'close' button 507 to input the confirmation command, the IPTV can store confirmation input information on the service use condition information in the storage means.

6 is a diagram illustrating an embodiment of user usage rule information for receiving a confirmation command for a plurality of items according to the present invention.

The IPTV stores the service use condition confirmation information inputted by inputting the confirmation command for each of a plurality of items included in the service use condition information, and stores the service use condition confirmation information in the storage means. When receiving the network connection command corresponding to the input item, When the condition confirmation information is retrieved from the storage means, the network connection corresponding to the network command can be performed without outputting the service use condition information.

For example, the IPTV includes a service use condition information 1 601, a portion 602 in which a confirmation command can be inputted, a service use condition information 2 603, and a portion 604 ), And when the service use condition confirmation information is retrieved from the storage means when receiving a network connection command corresponding to an entry in which a confirmation command is input, Connection can be performed.

7 is a flowchart illustrating a process of providing service use condition information for each content provider according to another embodiment of the present invention.

Referring to FIG. 7, IPTV according to an embodiment of the present invention stores service usage rule information corresponding to each of a plurality of content providers in a storage unit in step S701.

At this time, the service use condition information corresponding to each of the plurality of service content providers may be stored in the storage means by the IPTV manufacturer or may be downloaded and stored in the IPTV by the predetermined server providing the service use condition information .

In addition, when an application connected to the network through the content provider is installed in the IPTV, the IPTV may receive the service usage rule information from the server providing the service usage rule information and store the received service usage rule information in the storage unit.

When the IPTV receives the content output command in step S702, the IPTV determines the content provider corresponding to the content output command in step S703, and then transmits confirmation input information for the service usage rule information corresponding to the determined content provider Is stored in the storage means.

 If it is determined in step S703 that the confirmation input information corresponding to the content provider is found, the IPTV receives and outputs the content corresponding to the content output command in step S706.

If the confirmation input information corresponding to the content provider is not found as a result of the determination in step S703, the IPTV in step S704 reads out the service usage rule information corresponding to the content provider from the storage unit and outputs it to the display screen.

In step S705, the IPTV determines whether a confirmation command for the service use condition information is input from the user. If the confirmation command is input, the IPTV stores the confirmation input information for the service use condition in the storage unit, Receives the content corresponding to the content output command and outputs the content.

FIG. 8 is a diagram illustrating an embodiment of storage means for storing service usage rule information for each content provider according to the present invention.

Referring to FIG. 8, IPTV according to an embodiment of the present invention includes service provision termination information 802, version information 803 of service termination information, service termination information 803, Confirmation input information 804 can be stored.

At this time, the service use condition information 802 corresponding to each of the plurality of service content providers 801 may be stored in the storage means by the IPTV manufacturer and may be stored in the storage means by the IPTV manufacturer And when an application connected to the network through the content provider is installed in the IPTV, it may be received from the server providing the I service usage condition information and stored in the storage means.

9 is a flowchart illustrating a process of updating a version of a service use condition in IPTV according to an embodiment of the present invention.

Referring to FIG. 9, in step S901, the IPTV receives a content output command. In step S902, the IPTV determines a content provider corresponding to the content output command, And receives the version information of the service usage rule information corresponding to the content provider.

In step S903, the IPTV compares the version information of the service usage rule information stored corresponding to the content provider with the received version information.

If it is determined in step S903 that the version information is different, the IPTV receives the latest version of the service usage rule information from the content provider or the server that provides the service usage rule information in step S905.

As a result of the determination in step S903, if the version information is the same, IPTV outputs the service use condition information in step 904, and if a confirmation command is input from the user in step S906, And outputs the content.

Accordingly, the present invention provides IPTV service provision terms for contents or services provided in IPTV, and protects the rights of contents and protects the rights and interests of users by providing contents or services when user agreement on service use is received There is an effect that can be.

10 is a block diagram illustrating a configuration of an IPTV receiver according to an embodiment of the present invention.

10, the IPTV receiver 1100 includes a network interface unit 1102, a TCP / IP manager 1104, a service delivery manager 1106, a demultiplexer 1108, a data decoder 1110, a decoder 1112, A display unit 1116, a control unit 1118, a service information database unit 1122, a service discovery manager 1124, a service control manager 1126, a meta data manager 1128, a content database unit 1130, 1122). In addition, the IPTV receiver 1100 may further include a signal input unit and a video / audio processing unit for inputting video / audio signals.

The signal input unit to which the video / audio signal is input may include a tuner unit 13011, an A / V input unit 1302, a USB input unit 1303, and a radio signal input unit 1304, for example.

The video / audio processing unit processes the input video signal or audio signal so that the video or audio can be outputted to the display 1116 and the audio output unit, and may include a demodulator 1305, a decoder, and the like.

The network interface unit 1102 receives packets received from the network and transmits the packets to the network.

The TCP / IP manager 1104 is involved in delivering packets from the source to the destination with respect to the packets received from the IPTV receiver 1100 and the packets transmitted from the IPTV receiver 1100. The TCP / IP manager 1104 classifies the received packets so as to correspond to the appropriate protocols and classifies them into the service delivery manager 1106, the service discovery manager 1124, the service control manager 1126, and the metadata manager 1128 Lt; / RTI >

The service delivery manager 1106 is responsible for controlling the received service data. For example, RTP / RTCP (Real-Time Transport Protocol / RTP Control Protocol) can be used to control real-time streaming data. When the real-time streaming data is transmitted using the RTP, the service delivery manager 1106 parses the received data packet according to the RTP and transmits it to the demultiplexer 1108 or controls the service manager 1120 And stores it in the content database unit 1130. And feedbacks the network reception information to the server providing the service using the RTCP.

The demultiplexer 1108 demultiplexes the received packets into audio, video, PSI (Program Specific Information) data, and transmits them to the decoder 1112 and the data decoder 1110, respectively.

The data decoder 1110 decodes service information such as PSI (Program Specific Information). That is, the data decoder 1110 receives and decodes a demultiplexed PSI section, a Program and Service Information Protocol (PSIP) section, a DVB-SI (Service Information) section and the like in the demultiplexer 1108.

Also, the data decoder 1110 decodes the received sections to create a database of service information, and stores the database related to the service information in the service information database unit 1122.

The decoder 1112 decodes the video data and the audio data received from the demultiplexer 1108. To this end, the decoder 1112 includes an audio decoder 1113 and a video decoder 1114. The audio data decoded in the audio decoder 1113 is provided to the user through a speaker (not shown), and the decoded video data in the video decoder 1114 is provided to the user through the display unit 1116.

The control unit 1118 manages the overall state of the IPTV receiver 1100 and provides a user interface. The control unit 1118 includes a user interface manager 1119, a service manager 1120, and a user input unit 1121.

The user input unit 1121 receives a network connection command.

The control unit 1118 outputs the service use condition information on the display screen in response to the network connection command.

The network interface unit 1102 performs a network connection corresponding to the network connection command.

At this time, the network interface unit 1102 can perform a network connection corresponding to the network connection command upon receipt of a confirmation command for the service use condition information. The network connection command may include a content output command, and the network interface unit 1102 may receive content from the content provider after performing a network connection with the content provider corresponding to the content output command.

The network interface unit 1102 may receive the service use condition information from a predetermined server when an application connected to the network is installed in the content provider.

The network interface unit 1102 receives the version information of the service use condition information and when the received version information is different from the version information of the service use condition information output on the display screen, You can receive the Terms of Use information.

The storage means 1122 stores the confirmation input information when receiving the confirmation command for the service use condition information. At this time, the storage means 1122 may store the service usage rule information corresponding to each of the plurality of content providers.

When receiving the network connection command, the control unit 1118 performs network connection corresponding to the network connection command without outputting the service use condition information when the confirmation input information is retrieved from the storage unit 1122. [ It is already described that the confirmation input information can be stored in the storage means for a predetermined period of time.

The controller 1118 may determine the content provider corresponding to the content output command and then output the service usage rule information corresponding to the determined content provider to the display screen.

Upon receiving the service usage rule information output command, the controller 1118 outputs the service usage rule information and receives a confirmation command for the service usage rule information.

In addition, the control unit 1118 stores the confirmation input information for the input service service agreement in the storage unit, and stores the confirmation input information corresponding to the entered item in the storage unit, The network connection command corresponding to the network command may be output without outputting the service usage rule information when the confirmation input information for the service usage rule information is retrieved from the storage unit upon receiving the network connection command.

In addition, according to the embodiment, the user input unit 1121 receives the content output command, and the control unit 1118 retrieves the confirmation input information for the service use condition information corresponding to the content output command from the storage unit 1122, If the confirmation input information for the service use condition information is not retrieved, the service use condition information may be displayed on the display screen.

At this time, the controller 1118 receives and displays the content from the content provider corresponding to the content output command when the service use condition confirmation information is retrieved.

In this case, the storage unit 1122 stores the service usage rule information corresponding to each of the plurality of content providers, and if the confirmation input information for the service usage rule information is not retrieved, And then output the service usage rule information corresponding to the determined content provider on the display screen.

If the confirmation input information is not retrieved, the controller 1118 may store confirmation input information for the service use condition information in the storage unit 1122 after receiving the confirmation command for the service use condition information.

The user interface manager 1119 provides a GUI (Graphic User Interface) for a user using an OSD (On Screen Display) or the like, and receives a key input from a user to perform a receiver operation according to the input.

The service manager 1120 controls the manager associated with the service such as the service delivery manager 1106, the service discovery manager 1124, the service control manager 1126 and the metadata manager 1128 and the IG-OITF client.

The service manager 1120 also creates a channel map and selects a channel using the channel map according to the key input received from the user interface manager 1119. [ The service manager 1120 receives the channel service information from the data decoder 1110 and sets an audio / video PID (Packet Identifier) of the selected channel in the demultiplexer 1108.

The service discovery manager 1124 provides the information necessary to select a service provider that provides the service. Upon receiving the channel selection signal from the service manager 1120, the service discovery manager 1124 searches for the service using the information.

The service control manager 1126 is responsible for selection and control of the service. For example, when a user selects a service such as IGMP or RTSP when selecting a Live Broadcasting service such as an existing broadcasting method and selects a service such as VOD (Video On Demand), RTSP is used to select a service, control . The RTSP protocol may provide a trick mode for real-time streaming. Also, the service control manager 1126 can initialize and manage a session through the IMC gateway using an IP Multimedia Subsystem (IMS) and a Session Initiation Protocol (SIP). The protocols are one embodiment, and other protocols may be used, depending on the implementation.

The metadata manager 1128 manages the metadata associated with the service and stores the metadata in the service information database 1122.

The service information database unit 1122 stores the service information decoded by the data decoder 1110, the metadata managed by the metadata manager 1128, and information necessary for selecting a service provider provided by the service discovery manager 1124 . The service information database unit 1122 may store setup data and the like for the system.

The storage unit 1122, the service information database unit 1122 and the content database unit 1130 may be implemented using a nonvolatile RAM (NVRAM) or a flash memory, And can be implemented as two separate regions.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Modification is possible. Accordingly, the spirit of the present invention should be understood only in accordance with the following claims, and all equivalents or equivalent variations thereof are included in the scope of the present invention.

1100: IPTV system
1102: Network interface unit
1104: Network Manager
1106: Service delivery manager
1108: Demultiplexer
1110: Data decoder
1112: decoder
1116:
1117: Audio output unit
1118:
1121: user input section
1122: Service information database part
1124: Service Discovery Manager
1126: Service Control Manager
1128: Metadata manager
1130: Content database section
1301: Tuner part
1302: A / V input unit
1303: USB input
1304: Radio signal input unit
1305: Demodulator

Claims (28)

delete delete delete delete delete delete delete delete delete delete delete delete delete delete Content provider information related to a content download service (CDS) of Internet Protocol Television (IPTV), service usage condition information provided by the content provider, version information of the service usage agreement, Storage means for storing input information;
A user input unit for receiving a network connection command for a content download service (CDS) broadcast of a specific content provider;
Determining whether or not existence of the confirmation input information of the service use condition information corresponding to the inputted network connection command is present in the storage means and version information of the service use condition is latest based on a predefined transmission protocol, A control unit for controlling whether or not to output content on a display screen of the content provider, and controlling downloading and service of contents of the content provider after the control; And
A display unit for outputting at least one of the service usage condition information and the downloaded content;
IPTV. 16. The method of claim 15,
Wherein the transmission protocol comprises:
(FLUTE), a data object carousel, an FTP (File Transfer Protocol), and an HTTP (Hypertext Transfer Protocol) layer on an Asynchronous Layered Coding / Layered Coding Transport (ALC / LCT) A Transport Protocol)
In the case of using FLUTE as the transmission protocol, the presence or absence of the CDS is known as IPTV through service discovery and selection (SD & S), and the detailed information of the contents is called TV anytime ) Formatted metadata. ≪ / RTI > 17. The method of claim 16,
Wherein the control unit performs a content download service corresponding to the network connection command without outputting the service usage rule information when the confirmation input information is retrieved from the storage unit upon receiving the network connection command. delete delete delete delete delete 16. The method of claim 15,
Further comprising a network interface unit for connecting with a content provider related to the content download service (CDS) broadcast of the IPTV,
Wherein the network interface unit receives the service use condition information when an application connected to the network is installed in the content provider. 24. The method of claim 23,
The network interface unit receives the version information of the service usage rule information and when the received version information is different from the version information of the service usage rule information output on the display screen, the network interface unit receives the service usage rule information from a predetermined server Receiving IPTV. delete delete delete delete

Images