KR20080070526A - Method and apparatus for transmitting TV broadcast to mobile communication terminal - Google Patents

Abstract

The present invention relates to a method and apparatus for transmitting a TV broadcast to a mobile communication terminal. According to an aspect of the present invention, there is provided a TV transmission method comprising: transmitting, by a TV transmission apparatus connected to a wired or wireless Internet, its ID information and IP address information to a server; Requesting a session connection for receiving a broadcast from the TV transmission apparatus by the mobile communication terminal which is to receive a TV broadcast; Transmitting, at the server, the IP address of the TV transmission device to the mobile communication terminal; Connecting a session between the mobile communication terminal and the TV transmission apparatus; And transmitting, by the TV transmission apparatus, the TV broadcast to the mobile communication terminal. In addition, the TV transmission apparatus according to the present invention transmits a TV broadcast to a mobile communication terminal registered in the server in association with the server. The TV transmission apparatus includes a channel tuner for selecting and receiving a TV broadcast channel; An encoder for converting a broadcast received by the channel tuner into a format reproducible by a mobile communication terminal; A transmitter for transmitting the data converted by the encoder to the mobile communication terminal through a wired / wireless internet network; And a connection unit for connecting the TV transmission apparatus to a wired or wireless Internet network.

Description

A method and a device for transmitting TV broadcast to a mobile terminal

The present invention relates to a method and apparatus for transmitting a TV broadcast to a mobile communication terminal. In the present invention, the TV transmission device transmits its IP address information to a server, the mobile communication terminal obtains the IP address information of the TV transmission device from the server to establish a session between the TV transmission device and the mobile communication terminal. Connect. Therefore, when the TV transmission apparatus receives a radio wave or is connected to a cable TV terminal of a home, for example, the TV transmission apparatus may transmit the received broadcast to a mobile communication terminal through a wired or wireless Internet network. The mobile communication terminal user can receive a TV broadcast through the mobile communication terminal by providing the TV transmission device in the home.

As a service for providing multimedia to a mobile communication terminal, a service for providing multimedia such as a video using an EV-DO network has been disclosed. In addition, satellite DMB and terrestrial DMB services are provided so that broadcasts can be viewed in real time through a mobile communication terminal.

However, when the multimedia service is directly provided through the EV-DO network, the number of channels is insufficient and the information service fee is relatively expensive. In addition, even if a DMB service is to be provided, an expensive terminal is required, and the investment cost required to construct a service system is large.

Accordingly, there is a need for the development of a service and system for providing broadcasting to a mobile communication terminal at a low cost.

The present invention has been made to solve the above problems, in the present invention, the TV transmission device transmits its IP address information to the server, the mobile communication terminal from the server IP address information of the TV transmission device Obtain a connection between the TV transmission device and the mobile communication terminal. Therefore, when the TV transmission apparatus receives a radio wave or is connected to a cable TV terminal of a home, for example, the TV transmission apparatus may transmit the received broadcast to a mobile communication terminal through a wired or wireless Internet network. The mobile communication terminal user can watch TV broadcasting at low cost through the mobile communication terminal by providing the TV transmission device in the home.

Accordingly, an object of the present invention is to provide a method for transmitting a TV broadcast to a mobile communication terminal. It is also an object of the present invention to provide an apparatus for transmitting a TV broadcast to a mobile communication terminal.

The present invention relates to a method for transmitting a TV broadcast to a mobile communication terminal registered in a server. Specifically, the TV transmission method according to the present invention, the TV transmission device connected to the wired and wireless Internet transmits its ID information and IP address information to the server (a); (B) requesting a session connection for receiving a broadcast from the TV transmission apparatus by a mobile communication terminal that intends to receive a TV broadcast by connecting to the server; (C) transmitting, at the server, the IP address of the TV transmission device to the mobile communication terminal; (D) connecting a session between the mobile communication terminal and the TV transmission apparatus; And (e) transmitting a TV broadcast from the TV transmission device to the mobile communication terminal.

The present invention also relates to a TV transmission apparatus for transmitting a TV broadcast to a mobile communication terminal registered in the server in association with a server. Specifically, the TV transmission apparatus according to the present invention, a channel tuner for selecting and receiving a TV broadcast channel; An encoder for converting the broadcast received by the channel tuner into a format (for example, MP4 or H.264) that can be reproduced in a mobile communication terminal; A transmitter for transmitting the data converted by the encoder to the mobile communication terminal through a wired / wireless internet network; And a connection unit for connecting the TV transmission apparatus to a wired or wireless Internet network.

The TV transmission apparatus transmits an IP address assigned to the server when connecting to the wired or wireless Internet network, and receives the IP address of the mobile communication terminal from the server. On the other hand, the mobile communication terminal may receive the IP address of the TV transmission device from the server. Therefore, the TV transmission apparatus and the mobile communication terminal may know the IP address of the other party, and a session may be connected between the TV transmission apparatus and the mobile communication terminal.

As used herein, the term "TV broadcast" includes not only terrestrial TV but also all types of TV broadcasts such as satellite TV, cable TV, and IPTV (Internet Protocol TV). Therefore, the TV transmission apparatus according to the present invention is a receiver suitable for the type of TV broadcasting to be received, for example, an antenna for receiving terrestrial TV broadcasting or satellite TV broadcasting, and a terminal connected to a cable for receiving cable TV broadcasting Or a modem for receiving an IPTV broadcast.

The TV transmission apparatus according to the present invention may receive an analog TV or digital TV broadcast and convert the format to a format that can be reproduced in a mobile communication terminal.

In addition, the present invention relates to a system for transmitting a TV broadcast to a mobile communication terminal, the TV transmission apparatus as described above; A mobile communication terminal configured to receive broadcast data transmitted from the TV transmission apparatus through a wired or wireless Internet network; And a server including a registration unit for storing user information, information about the TV transmission device, and information about the mobile communication terminal.

Here, the server is a server for providing a service for transmitting a TV broadcast transmitted from the TV broadcasting device to a mobile communication terminal, and stores user information, information about the TV transmission device, and information about the mobile communication terminal. It is provided with a registration unit. According to the present invention, a user who wants to receive a TV broadcast through a mobile communication terminal subscribes to the server, and stores information about the TV transmission apparatus used by the user and information about the mobile communication terminal. Therefore, the TV transmission apparatus and the mobile communication terminal can be corresponded one-to-one to each user.

For example, when a user requests to receive a TV broadcast by accessing a server through the mobile communication terminal, the server inquires the subscriber information and the TV transmission device information of the user and the TV corresponding to the mobile communication terminal. Search for a transmission device, and transmit the current IP address of the found TV transmission device to the mobile communication terminal. Therefore, the mobile communication terminal can connect a session with the TV transmission apparatus.

In this manner, the server is not only involved in the connection between the TV transmission apparatus and the mobile communication terminal but also transmits broadcast data, changes a channel, and controls the TV transmission apparatus.

In the present invention, a wireless Internet access server capable of connecting the mobile communication terminal to the wireless Internet may be used as the server, for example, a WAP server adopting a wireless application protocol (WAP). In the case of using the wireless Internet access server as described above, since the communication is performed between the mobile communication terminal and the wireless Internet access server using a protocol conforming to international standards, a general mobile communication terminal capable of wireless internet access can be used as it is. There is an advantage.

In the present invention, the TV transmission apparatus receives a TV broadcast in a home, and transmits the received broadcast to a mobile communication terminal through a wireless Internet network. Accordingly, the mobile communication terminal user can receive the TV broadcast while moving by providing the TV transmission apparatus in the home.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited by the following examples.

1 illustrates a configuration of a system for transmitting a TV broadcast to a mobile communication terminal according to the first embodiment of the present invention.

The system shown in Figure 1 is a TV broadcasting apparatus 10 for transmitting TV broadcasts, such as a TV station or repeater, according to the present invention for receiving and converting TV broadcasts to transmit the broadcast to the mobile communication terminal via a wired or wireless Internet network A TV transmission apparatus 20 in the form of a set top box; Wired internet network 30; A wireless internet network 50 for connecting the wired internet network and the mobile communication terminal to provide contents of the wired internet network to the mobile communication terminal; And a mobile communication terminal 60.

The wired Internet network 30 or the wireless Internet network 50 is provided with a server 40 (hereinafter referred to as "control server") that receives a service subscription request from the user of the TV transmission apparatus 20.

As described above, the term "TV broadcast" herein includes not only terrestrial TV but also all types of TV broadcasts such as satellite TV, cable TV, and IPTV. Therefore, the TV transmission apparatus 10 includes a device for transmitting TV broadcasts such as terrestrial TV stations, satellite TV stations, cable TV stations, servers providing TV broadcasts through the Internet, broadcast satellites, or repeaters thereof. do.

2 shows a configuration of a TV transmission apparatus 20 according to the present invention. TV transmission apparatus 20 according to the present invention comprises a channel tuner 21 for receiving a broadcast by selecting a channel; An encoder 22 for converting the received broadcast into a format reproducible in a mobile communication terminal; A transmission unit 23 connected to the internet network 30 and transmitting the converted data to the internet network 30; And a connection unit 25 for connecting the TV transmission apparatus 20 to the Internet network 30. The TV transmission apparatus 20 may further include a controller 24 for controlling functions of the channel tuner 21, the encoder 22, the transmitter 23, and the connection unit 25.

In addition, the TV transmission apparatus 20 is a receiver suitable for the type of TV broadcasting to be received, for example, an antenna for receiving terrestrial TV broadcasting or satellite TV broadcasting, and a terminal connected to a cable for receiving cable TV broadcasting. Or a modem for receiving an IPTV broadcast.

The control unit 24 of the TV transmission apparatus 20 transmits an IP address assigned when the TV transmission apparatus 20 accesses the Internet network 30 to the control server 40 to register the connection unit 25. To control the function of). In addition, when the mobile communication terminal 60 that wants to receive a TV broadcast connects to the control server 40 to request a session connection, the connection unit receives the IP address of the mobile communication terminal 60 from the server. Control the function of (24).

3 shows the configuration of the control server 40. The control server 40 includes a connection unit 42 for connecting to wired and wireless Internet networks 30 and 40, a control unit 44 for controlling a function of the control server, and the TV transmission device 20 (or a mobile communication terminal). (60) A registration unit 46 is provided for storing service subscription registration information (user information) of the user, information about the TV transmission device, information about the mobile communication terminal, and the like.

Through the control server 40 may receive a service subscription request from the user, and manage the billing.

When the TV transmission apparatus 20 accesses the control server 40 through the Internet network 30, the TV transmission apparatus 20 controls the IP address assigned when accessing the Internet network 30. Transfer to server 40.

In addition, when the mobile communication terminal 60 that wants to receive a TV broadcast connects to the control server 40 to request a session connection, the server 40 provides the subscriber information of the user of the mobile communication terminal 60. The registration unit 46 inquires about the TV transmission device 20 information of the user to search for the TV transmission device 20 corresponding to the mobile communication terminal, and the mobile communication terminal ( Send an IP address and a session connection request message of 60). When the TV transmission device 20 responds to the session connection request message of the mobile communication terminal 60, the TV transmission device 20 transmits the IP address of the TV transmission device 20 to the mobile communication terminal 60. This function is performed and controlled by the controller 44.

Therefore, the TV transmission apparatus 20 and the mobile communication terminal 60 may know each other's IP address, and a session may be connected between the TV transmission apparatus 20 and the mobile communication terminal 60. . When a session is connected between the mobile communication terminal 60 and the TV transmission device 20, the TV transmission device 20 transmits broadcast data to the mobile communication terminal 60, and the mobile communication terminal ( 60) The user may watch a broadcast while moving.

In addition, the mobile communication terminal 60 may control the operation of the TV transmission apparatus 20 through the control server 40. In addition, the control server 40 may control that the broadcast data transmitted by the TV transmission apparatus 20 is transmitted to the mobile communication terminal 60 through a wired or wireless Internet network. For example, there is a traffic control function of data transmission, so that service provision may be forcibly terminated when resources of the wireless network are saturated. In addition, the control server 40 may record and store a viewing history of the user.

However, since the control server 40 is for user registration, billing, statistics information collection, traffic control, session connection between the TV transmission device 20 and the mobile communication terminal 60, the TV transmission device 20 After the session is connected between the terminal and the terminal 60, broadcast data transmitted from the TV transmission apparatus 20 does not necessarily have to be transmitted to the mobile communication terminal 60 via the control server 40. Rather, there is an advantage that the broadcast data transmission time is shortened when broadcast data is directly transmitted and received between the TV transmission device 20 and the terminal 60 without passing through the control server 40.

4 illustrates a configuration of a mobile communication terminal 60 that receives broadcast data transmitted from the TV transmission device 20 according to the present invention. The mobile communication terminal 60 includes a receiver 61 for receiving broadcast data transmitted from the TV transmission device 20; A reproduction signal processing unit 63 for reproducing the broadcast data on the display unit 66 is provided. In addition, a control command may be input through the keypad 64 of the terminal, and the control unit 65 may control a function of the terminal 60 according to the input control command. Furthermore, by transmitting a control command to the wired / wireless internet network through the transmitter 62, the function of the TV transmission apparatus 20 can also be controlled.

The mobile communication terminal 60 transmits an IP address assigned to the server to be connected to a wireless Internet network so that a session can be connected between the TV transmission device and the mobile communication terminal, and transmits the IP address of the TV transmission device. Receive from the server. Therefore, the TV transmission apparatus 20 and the mobile communication terminal 60 may know each other's IP address, and a session may be connected between the TV transmission apparatus 20 and the mobile communication terminal 60. .

5 is a flowchart illustrating a process of transmitting a cable TV broadcast to a mobile communication terminal according to the first embodiment of the present invention.

In order to receive broadcast data through the mobile communication terminal 60 from the TV transmission apparatus 20 provided in the house according to the present invention, the user first applies for a service subscription to the control server 40, and the user information (user ID). Etc.), information on the indoor TV transmission apparatus 20 (such as the serial number of the TV transmission apparatus 20) and mobile communication terminal 60 information (terminal number, etc.) are input and registered. The control server 40 stores the information in the registration unit 46 and inquires of the registration unit 46 when an event such as a TV broadcast reception request is generated from the terminal 60.

Meanwhile, the TV transmission apparatus 20 connects to the Internet through an ISP (Internet Service Provider) to transmit TV broadcasts through the Internet, and at this time, the assigned IP address and port information are assigned to a user ID or TV. Transmission to the control server 40 together with the serial number of the transmission device (S2). The control server 40 transmits a response message (ack) for receiving the data to the TV transmission apparatus 20 (S4). The IP address or the like of the TV transmission apparatus 20 is used to connect a session between the terminal 60 and the TV transmission apparatus 20 when the terminal 60 requests TV transmission.

Thereafter, the mobile communication terminal 60 accesses the control server 40 and requests a session (eg, TCP session) connection between the terminal 60 and the control server 40 (S10). At this time, broadcast channel information (eg, EPG information) required for broadcast reception may be requested together.

Thereafter, the control server 40 transmits the IP address of the TV transmission device to the mobile communication terminal so that a session is connected between the mobile communication terminal 60 and the TV transmission device 40 (S11 to S13). . Specifically, the control server 40 first inquires the subscriber information of the user of the mobile communication terminal 60 and the TV transmission device 20 information of the user from the registration unit 46 of FIG. The TV transmission apparatus 20 corresponding to 60 is searched for. Thereafter, the searched TV transmission apparatus 20 transmits the IP address and the session connection request message of the mobile communication terminal (S11). Then, when the TV transmission device 20 responds to the session connection request message (S12), the control server 40 is an IP address of the TV transmission device 20 as a response to the session connection request of the mobile communication terminal. To transmit to the mobile communication terminal (S13). At this time, the mobile communication terminal may also transmit the broadcast channel information requested in step S10.

Thereafter, since the TV transmission apparatus 20 and the mobile communication terminal 60 know each other's IP addresses, a session may be connected between the TV transmission apparatus 20 and the mobile communication terminal 60. There is (S17).

Thereafter, call processing is performed between the mobile communication terminal 60 and the TV transmission apparatus 20 such that a protocol (eg, RTSP) for transmitting broadcast data by streaming is set (S18 to S21). Specifically, when the mobile communication terminal 60 selects a broadcast channel to watch and requests setup of a real time streaming protocol (RTSP) protocol for broadcast viewing (S18), the control server 40 requests the setup of the RTSP protocol. The message is transmitted to the TV transmission apparatus 20 (S19). Then, when the TV transmission apparatus 20 responds to the RTSP protocol setup request message (S20), the control server 40 transmits it to the mobile communication terminal 60 to complete the protocol setup (S21). Therefore, broadcast data transmitted by the TV transmission apparatus 20 may be transmitted to the mobile communication terminal 60 by streaming.

Thereafter, the TV transmission apparatus 20 converts the broadcast received through the channel tuner (21 in FIG. 2) into a format reproducible in the mobile communication terminal (S22), and converts the converted data through the wired / wireless internet network. Transmission to the terminal 60 (S23). Accordingly, the terminal user can freely watch the broadcast of the cable TV through the mobile communication terminal 60 while moving.

When the user who is watching the broadcast through the terminal 60 wants to change the channel, the terminal user transmits a message requesting the channel change of the TV transmission apparatus 20 to the control server 40 through the terminal 60. In operation S35, the control server 40 requests a channel change from the TV transmission apparatus 20 (S36). Accordingly, the TV transmission apparatus 20 changes the channel (S42), and transmits the broadcast of the changed channel to the terminal 60 (S43).

When the user who is watching through the terminal 60 intends to terminate the broadcast reception, the terminal user requests the control server 40 to terminate the broadcast transmission through the terminal 60 (S50), and the control server 40 is The TV transmission device 20 requests the end of the broadcast transmission (S51). Accordingly, the TV transmission device 20 terminates the transmission of the broadcast data and notifies the control server 40 that the broadcast transmission has ended (S52). In addition, the session between the TV transmission apparatus 20 and the terminal 60 ends (S53).

In this embodiment, the control command (channel change request S35 and broadcast transmission end request S50) of the terminal is transmitted to the TV transmission apparatus 20 via the control server 40. It is also possible to transmit the control command directly to the TV transmission apparatus 20 without passing through the server 40.

6 illustrates a configuration of a system for transmitting cable TV broadcast to a mobile communication terminal according to a second embodiment of the present invention. In this embodiment, a wireless Internet access server 45 (for example, a WAP server) that can connect a mobile communication terminal to the wireless Internet is used as a control server.

The system shown in Figure 6 is a TV transmission apparatus 10 for transmitting a TV broadcast, such as a TV station or a repeater, according to the present invention receives a TV broadcast and converts it and transmits the broadcast to the mobile communication terminal via a wired or wireless Internet network A TV transmission apparatus 20 in the form of a set top box; Wired internet network 30; A wireless internet network 50 for connecting the wired internet network and the mobile communication terminal to provide contents of the wired internet network to the mobile communication terminal; Mobile communication terminal 60; And a wireless internet access server 45 capable of wireless internet access with the mobile communication terminal 60.

When the TV transmission apparatus 20 connects to the wireless Internet access server 45 through the Internet network 30, the TV transmission apparatus 20 receives an IP address assigned when accessing the Internet network 30. The data is transmitted to the wireless Internet access server 45 to be registered in the server 45.

7 is a flowchart illustrating a process of transmitting a cable TV broadcast to a mobile terminal according to a second embodiment of the present invention.

In order to receive broadcast data through the mobile communication terminal 60 from the TV transmission apparatus 20 provided in the house according to the present invention, the user first applies for a service subscription to the wireless Internet access server 45, and the user information. (User ID, etc.), information on the indoor TV transmission apparatus 20 (such as the serial number of the TV transmission apparatus 20), and mobile communication terminal 60 information (terminal number, etc.) are input and registered.

The TV transmission apparatus 20 connects to the Internet through an ISP (Internet Service Provider) or the like to transmit TV broadcasts through the Internet. It transmits to the wireless Internet access server 45 together with the serial number of the device (S102). The wireless Internet access server 45 transmits a response message (ack) for receiving the data to the TV transmission apparatus 20 (S104). The IP address of the TV transmission apparatus 20 is used as a connection link of the channel selection page displayed on the terminal 60 when the terminal 60 requests the TV transmission server 45 to transmit the TV.

Thereafter, the mobile communication terminal 60 accesses the wireless internet access server 45 and requests the channel selection page from the wireless internet access server 45 (S110). In response, the wireless Internet access server 45 transmits a channel selection page to the mobile communication terminal 60 in response to the request (S113).

The mobile communication terminal 60 displays the received channel selection page on the display unit 66 of FIG. 4 (S114). 8 illustrates an example of a channel selection page displayed on the mobile communication terminal 60.

The channel selection page displays each channel number for the user to select, and the channel number includes a connection link 22. The connection link 22 includes a URL to which an IP address, a port number, and a channel number of the TV transmission apparatus 20 provided in the home are designated.

Therefore, when the user of the mobile communication terminal 60 selects a specific channel (S115), the session is connected to the URL by the connection link 20 (S117). Accordingly, the TV transmission apparatus 20 may obtain an ip address of the mobile communication terminal 60 and transmit a broadcast directly to the ip address of the mobile communication terminal 60.

Thereafter, the mobile communication terminal 60 requests setup of an RTSP, which is a protocol for transmitting broadcast data for streaming viewing by streaming (S118). In response to the RTSP protocol setup request message, the TV transmission apparatus 20 completes the RTSP protocol setup between the TV transmission apparatus 20 and the mobile communication terminal 60. Therefore, broadcast data transmitted by the TV transmission apparatus 20 may be transmitted to the mobile communication terminal 60 by streaming.

The TV transmission apparatus 20 receives a broadcast of a channel selected by the user of the mobile communication terminal 60 through a channel tuner 21, converts the broadcast to a format that can be reproduced in the mobile communication terminal (S122), and converts the broadcast. Data is transmitted to the mobile communication terminal 60 through a wired or wireless internet network (S123). Accordingly, the terminal user can freely watch the broadcast of the cable TV through the mobile communication terminal 60 while moving.

If the user who was watching the broadcast through the terminal 60 wants to change the channel, the user of the terminal 60 requests the TV transmission apparatus 20 to end the transmission of the broadcast currently being viewed (S130). . Accordingly, the session connected between the TV transmission apparatus S30 and the mobile communication terminal 60 ends (S131), and the channel selection page previously downloaded in step S114 is returned to the mobile communication terminal 60 again. It is displayed (S134).

Thereafter, the user of the terminal 60 selects another channel and accordingly performs the above-described steps S117 to S123 again (S137 to S143), so that the user can receive the TV broadcast of the other channel.

When the user who is watching through the terminal 60 wants to terminate the broadcast reception, the user of the terminal 60 requests the TV transmission apparatus 20 to end the transmission of the broadcast currently being viewed (S150). Accordingly, the session connected between the TV transmission apparatus S30 and the mobile communication terminal 60 ends (S153), and the channel selection page is displayed again on the mobile communication terminal 60 (S154).

At this time, the user of the terminal 60 selects the connection release with the wireless Internet access server 45 (S156), the TV reception can be terminated.

In this embodiment, the wireless Internet access server 20 is configured to transmit a channel selection page to the mobile communication terminal 60, but the mobile communication terminal 60 is a specific application, for example, a virtual machine (VM) You can also use it to configure the channel selection page.

According to the present embodiment, since the communication is performed between the mobile communication terminal 60 and the wireless internet access server 45 using a protocol (for example, WAP protocol) conforming to international standards, wireless internet connection is possible. A general mobile communication terminal can be used as it is.

The embodiment according to the present invention is not limited to the above-described embodiments, and various alternatives, modifications, and changes can be made without departing from the scope of the present invention.

In the present invention, the TV transmission apparatus receives a TV broadcast in a home, and transmits the received broadcast to a mobile communication terminal through a wireless Internet network. Accordingly, the mobile communication terminal user can receive the TV broadcast while moving by providing the TV transmission apparatus in the home.

1 illustrates a configuration of a system for transmitting a TV broadcast to a mobile communication terminal according to a first embodiment of the present invention.

2 illustrates a configuration of an apparatus for transmitting a TV broadcast to a mobile communication terminal according to the present invention.

3 illustrates a configuration of a control server for controlling transmission in a system for transmitting TV broadcast to a mobile communication terminal according to the first embodiment of the present invention.

4 illustrates a configuration of a mobile communication terminal for receiving TV broadcasts according to the present invention.

5 is a flowchart illustrating a process of transmitting a TV broadcast to a mobile communication terminal according to the first embodiment of the present invention.

6 illustrates a configuration of a system for transmitting a TV broadcast to a mobile communication terminal according to a second embodiment of the present invention.

7 is a flowchart illustrating a process of transmitting a TV broadcast to a mobile communication terminal according to a second embodiment of the present invention.

8 is a diagram illustrating an example of a channel selection page displayed on a mobile communication terminal when the TV broadcast is transmitted to the mobile communication terminal according to the second embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

20: TV transmission device 30: Internet network

40: control server 50: wireless Internet network

60: mobile communication terminal

Claims (28)

A method of transmitting a TV broadcast to a mobile communication terminal registered in a server, (A) transmitting, by the TV transmission apparatus connected to the wired and wireless Internet, its ID information and IP address information to the server; (B) requesting a session connection for receiving a broadcast from the TV transmission apparatus by a mobile communication terminal that intends to receive a TV broadcast by connecting to the server; (C) transmitting, at the server, the IP address of the TV transmission device to the mobile communication terminal; (D) connecting a session between the mobile communication terminal and the TV transmission apparatus; And And transmitting (e) the TV broadcast from the TV transmission device to the mobile communication terminal. The TV transmission method according to claim 1, wherein the ID information of the TV transmission device in the step (a) is a product serial number or an ID of a user of the TV transmission device. The TV transmission method according to claim 1, wherein the TV transmission apparatus and the mobile communication terminal correspond one-to-one. The method of claim 1, wherein step (c) comprises: Inquiring the subscriber information of the mobile communication terminal user and the TV transmission device information of the user by the server to search for a TV transmission device corresponding to the mobile communication terminal; Transmitting an IP address and a session connection request message of the mobile communication terminal to the searched TV transmission device; And And when the TV transmission device responds to the session connection request message, transmitting the IP address of the TV transmission device to the mobile communication terminal. The method of claim 1, wherein after the session is connected between the mobile communication terminal and the TV transmission apparatus in step (d), a protocol for transmitting broadcast data through streaming is set between the mobile communication terminal and the TV transmission apparatus. TV transmission method further comprising the step of. The method of claim 1, wherein step (e) Receiving, by the TV transmission apparatus, a TV broadcast through a channel tuner; Converting the received TV broadcast into a format reproducible by the mobile communication terminal; And transmitting the converted data to the mobile communication terminal through a wired or wireless internet network. The method of claim 1, wherein the TV broadcast is any one of cable TV broadcast, terrestrial TV broadcast, satellite TV broadcast, and Internet protocol TV (IPTV) broadcast. A TV transmission apparatus for transmitting a TV broadcast to a mobile communication terminal registered in the server in association with a server, A channel tuner for selecting and receiving a TV broadcast channel; An encoder for converting a broadcast received by the channel tuner into a format reproducible by a mobile communication terminal; A transmitter for transmitting the data converted by the encoder to the mobile communication terminal through a wired / wireless internet network; And It includes a connection for connecting the TV transmission device with a wired or wireless Internet network, The TV transmission apparatus, characterized in that for transmitting the IP address assigned to the connection to the wired and wireless Internet network to the server, and receiving the IP address of the mobile communication terminal from the server so that the session can be connected to the mobile communication terminal. . The TV transmission apparatus of claim 8, wherein the TV transmission apparatus is in the form of a set-top box. The method of claim 8, And a control unit which registers an IP address assigned to the wired / wireless internet network to the server and controls an operation of the connection unit to receive an IP address of the mobile communication terminal from the server. Device. The apparatus of claim 8, wherein the TV broadcast is any one of cable TV broadcast, terrestrial TV broadcast, satellite TV broadcast, and IPTV broadcast. A transmission system for transmitting a TV broadcast to a mobile communication terminal, A TV transmission apparatus according to claim 8; A mobile communication terminal configured to receive broadcast data transmitted from the TV transmission apparatus through a wired or wireless Internet network; And A server having a registration unit for storing user information, information about the TV transmission device, and information about the mobile communication terminal, The TV transmission apparatus registers an IP address assigned to the server when connecting to the wired or wireless Internet network, The mobile communication terminal transmits its IP address to the server in order to connect a session with the TV transmission apparatus so as to receive broadcast data from the TV transmission apparatus, and receives the IP address of the TV transmission apparatus from the server. , And when a session is connected between the mobile communication terminal and the TV transmission device, the TV transmission device transmits broadcast data to the mobile communication terminal. 13. The TV transmission system according to claim 12, wherein the TV transmission device is in the form of a set top box. The method of claim 12, When the server receives a session connection request from the mobile communication terminal with the TV transmission device, the server, Search for the TV transmission device corresponding to the mobile communication terminal by querying the subscriber information of the mobile communication terminal user and the TV transmission device information of the user; Transmitting the IP address and the session connection request message of the mobile communication terminal to the searched TV transmission device; And when the TV transmission device responds to the session connection request message, transmits the IP address of the TV transmission device to the mobile communication terminal. 13. The TV transmission system according to claim 12, wherein the TV broadcast is any one of cable TV broadcast, terrestrial TV broadcast, satellite TV broadcast, and IPTV broadcast. A mobile communication terminal for receiving a TV broadcast transmitted from the TV transmission apparatus according to claim 8 in association with a server, A receiver for receiving TV broadcast data transmitted from the TV transmission device; A reproduction signal processor for reproducing the TV broadcast data on a display unit; And Including a transmitter for transmitting a control command input by the keypad to the TV transmission device, In order to connect a session between the TV transmission apparatus and the mobile communication terminal, an IP address assigned to the wireless Internet network is transmitted to the server, and the IP address of the TV transmission apparatus is received from the server. Mobile communication terminal. 17. The mobile terminal of claim 16, wherein the TV broadcast is any one of cable TV broadcast, terrestrial TV broadcast, satellite TV broadcast, and IPTV broadcast. A method for transmitting a TV broadcast to a mobile communication terminal registered in a wireless internet access server, (A) transmitting, by the TV transmission apparatus connected to the wired and wireless Internet, its ID information and IP address information to the wireless Internet access server; (B) accessing the wireless Internet access server by a mobile communication terminal to receive a TV broadcast and displaying a channel selection page including channel selection information; (C) connecting a session between the mobile communication terminal and the TV transmission apparatus by selecting a specific channel by the mobile communication terminal; And And (d) transmitting a TV broadcast from the TV transmission device to the mobile communication terminal. 19. The TV transmission method according to claim 18, wherein the channel selection page of step (b) is received by the mobile communication terminal from the wireless Internet access server. 19. The method of claim 18, wherein in step (a), the ID information of the TV transmission apparatus is a product serial number or an ID of a user of the TV transmission apparatus. The method of claim 18, Each channel number is displayed on the channel selection page for the user of the mobile communication terminal to select. Each channel number includes a connection link, And the connection link includes URL information in which an IP address, a port number, and a channel number of the TV transmission apparatus are specified. The method of claim 21, wherein step (c) comprises: Selecting a specific channel by the mobile communication terminal; And And connecting a session between the mobile communication terminal and the TV transmission apparatus by a connection link included in the channel. 19. The method of claim 18, wherein after the session is connected between the mobile communication terminal and the TV transmission apparatus in step (c), a protocol for transmitting broadcast data by streaming is set between the mobile communication terminal and the TV transmission apparatus. TV transmission method further comprising the step of. 19. The method of claim 18, wherein step (d) Receiving, by the TV transmission apparatus, a TV broadcast through a channel tuner; Converting the received TV broadcast into a format reproducible by the mobile communication terminal; And transmitting the converted data to the mobile communication terminal through a wired or wireless internet network. The mobile terminal of claim 18, wherein the mobile communication terminal receiving the TV broadcast changes the channel of the TV broadcast. (E) requesting, by the mobile communication terminal that is receiving TV broadcast, the TV transmission device to end broadcast transmission; (F) displaying the channel selection page on the mobile communication terminal; (G) connecting a session between the mobile communication terminal and the TV transmission device by selecting a specific channel by the mobile communication terminal; And And (h) transmitting a TV broadcast from the TV transmission device to the mobile communication terminal. 19. The method of claim 18, wherein the TV broadcast is any one of cable TV broadcast, terrestrial TV broadcast, satellite TV broadcast, and IPTV broadcast. A server for providing a service for transmitting a TV broadcast transmitted from a TV transmission device to a mobile communication terminal, A register that stores user information, information about a TV transmission device, and information about a mobile communication terminal; A connection unit for connecting to a wired or wireless Internet network; And When a request for a session connection with the TV transmission device is received from the mobile communication terminal, the subscriber information of the mobile communication terminal user and the TV transmission device information of the user are inquired to search for a TV transmission device corresponding to the mobile communication terminal. And a controller for transmitting the IP address and the session connection request message of the mobile communication terminal to the searched TV transmission device and transmitting the IP address of the TV transmission device to the mobile communication terminal. Service providing server for transmitting to the mobile communication terminal. 28. The service providing server of claim 27, wherein the TV broadcast is any one of cable TV broadcast, terrestrial TV broadcast, satellite TV broadcast, and Internet protocol TV broadcast.

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