KR100710324B1 - Channel informations interface apparatus and television receiver for channel interworking, and channel interworking system and method using the same - Google Patents

Abstract

The present invention provides a television receiver and a channel interlocking system and method using the same, which can synchronize a channel with a carbide or a portable DMB terminal in real time, wherein the viewer is in a different place while outputting a composite video signal received from a broadcasting station. A television receiver for transmitting a channel number currently being broadcast for channel linking to the outside and tuning to a received channel when a channel number for channel linking is received from the outside; When a channel number for channel linking is received from a television receiver and is received from a television receiver, the television receiver tunes to a broadcasting channel that is being broadcast, and a broadcast off command is input while the television receiver is outputting a broadcast received from the broadcasting station. A broadcast receiving device for transmitting the channel number currently being broadcast to the television receiver and turning off broadcast reception; And a channel information connecting device for connecting channel information transmitted and received between the television receiver and the broadcast receiving device.

TV, Channel, Interlock, DMB, Recording

Description

Channel information access device and television receiver for channel interlocking, and channel interworking system and method using the same {channel informations interface apparatus and television receiver for channel interworking, and channel interworking system and method using the same}

1 is a schematic diagram of a channel linkage system according to an embodiment of the present invention.

2 is a block diagram of a television receiver for channel interworking according to an embodiment of the present invention;

3 is a block diagram of a channel information access device for channel interworking according to an embodiment of the present invention.

4A and 4B are flowcharts illustrating a channel linkage method according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: TV set 200: KTV

300: portable DMB terminal 400: channel information access device

The present invention relates to a television receiver and a channel linkage system and method using the same, and in particular, a television receiver attached to a vehicle (hereinafter referred to as "car TV") or a terrestrial digital multimedia broadcasting terminal (hereinafter referred to as "portable DMB terminal"). The present invention relates to a television receiver capable of interworking with a channel and a channel linkage system and method using the same.

In addition to the rapid development of science and technology, the multimedia field combining various forms of information such as video and audio has become a digital form of information storage and existence in the rapid development of information and communication. Due to the development of MPEG (Moving Picture Experts Group) technology, which is a compression standard for moving image data to compress digital image data that requires a relatively large amount of data, the size of digital image data is gradually getting smaller. Increasingly, digital video and audio services have been applied to almost all fields such as communication and telecommunications, and digital devices for providing such services have emerged.

Among them, TV occupies an important place as an easy and effective information transmission medium in daily life, and thanks to the above digital technology, video data and audio data are compressed and transmitted by MPEG technology, which makes a large amount of information faster and more stable. With the advent of digital TV, which can be provided as a video, more broadcasts can be enjoyed more easily at home with clearer picture quality and more vivid sound.

In recent years, the spread of computers has become common and the world has become a network through the Internet. The services that can be provided using the Internet include an e-mail service and a file by FTP (File Transfer Protocol). Transmission service, remote access (Telnet) service, Usenet service to exchange articles using News Group, and file search service, etc. The creation of a purposeful website is actively being done.

Information is provided to the web site by the web server, and the user accesses the desired web site using various internet access devices capable of internet communication to obtain the corresponding information. In particular, Internet access devices such as Internet TVs, Internet set-top boxes, and PCs equipped with TV receiving cards are capable of receiving various types of TV broadcasts (such as over-the-air TV broadcasts, cable TV broadcasts, and satellite TV broadcasts depending on the system configuration). Internet broadcasting function, and each broadcasting station that transmits airborne TV broadcasting signal is currently providing the program information through the website of the corresponding broadcasting, and cable broadcasting also uses cable TV Program information for each channel of a broadcast is provided. However, they merely provide program information and do not have a concept of channel linkage. Accordingly, Korean Patent Application No. 2001-0065722 provides various information for channel linkage to enable channel linkage in an Internet access device capable of receiving various TV broadcasts, and provides a user with various information for channel linkage. There is proposed a web server supporting broadcast channel interworking and a broadcast information providing method thereof, by which a web page can be provided so as to provide information suitable for a user's situation.

Such a broadcast channel interworking method is only performed through the Internet, and does not apply to channel linkage between a carbide or a portable DMB terminal and an internal TV. Therefore, when the viewer moves to the outside while watching TV in the house, the viewer has to operate the channel of the car TV or the portable DMB terminal to set the broadcasting channel that was being watched on the TV in the house, especially the vehicle equipped with the car TV. Since it takes a lot of time to move from the inside of the house to the inside of the house, there is a problem that the user does not see a substantial portion of the broadcast that he was watching on the TV.

The present invention has been made to solve the above problems, an object of the present invention to provide a television receiver and a channel interlocking system and method using the same can be connected to the channel in real time with a carbide or portable DMB terminal.

Another object of the present invention is to provide a channel information access device capable of connecting in real time the channel information transmitted and received between a television receiver and a card or portable DMB terminal located therein.

Another object of the present invention by using a channel connection device in real time by interlocking the channel between the television receiver located inside the cartic or portable DMB terminal, the viewer is watching the broadcast easily even if the position moves while watching the broadcast It provides a system and method for continuing to watch.

It is still another object of the present invention to provide a television receiver capable of automatically recording broadcasts from the point of linking a channel when the channel is interlocked with a carbide or portable DMB terminal in real time.

In order to achieve the above object, the present invention provides a system for performing channel interworking in a state of outputting a composite video signal transmitted from a broadcasting station, wherein a place where a viewer is different in the state of outputting a broadcast received from the broadcasting station. A television receiver for transmitting a channel number currently being broadcast for channel linking to the outside and tuning to a received channel when a channel number for channel linking is received from the outside; Located at a different place from the television receiver, when a channel number for channel linkage is received from the television receiver, the television receiver tunes to a broadcasting channel that is being broadcast and broadcasts the broadcast received from the broadcasting station. A broadcast receiver which transmits a channel number currently being broadcast to the television receiver and turns off broadcast reception when a command is input; And a channel information connecting device for connecting channel information transmitted and received between the television receiver and the broadcast receiving device.

The present invention receives broadcasts transmitted through a plurality of broadcast channels through a tuner, transmits and receives channel information through a channel information access device and a broadcast receiving device such as a carbide or a portable DMB terminal mounted in a vehicle, and receives the broadcast receiver. A television receiver for performing channel interworking, comprising: communication means for transmitting and receiving channel information with said channel information access device; Person movement detecting means for detecting the movement of the viewer; And when the fact that the viewer goes out by the person movement detecting means transmits the channel number currently being broadcast to the channel information access device through the communication means, and the channel number transmitted from the broadcast receiving device is the channel information. And control means for tuning the broadcast channel received through the tuner to the received channel number when received through the access device.

The present invention provides a channel information access device for connecting channel information transmitted and received for channel linkage between a television receiver located indoors and a broadcast receiving device such as a cartic or portable DMB terminal mounted in a vehicle. Communication means for transmitting and receiving channel information and various kinds of information with the apparatus and the television receiver; Person movement detecting means for detecting the movement of the viewer; And channel information received from the television receiver through the communication means to the broadcast receiving device through the communication means, and channel information received from the broadcast receiving device through the communication means through the communication means. And a control means for transmitting to the receiver and informing the television receiver of the fact that the viewer has moved out when the viewer is detected to be moved outside by the person movement detecting means.

The present invention relates to a method for performing channel linkage with a broadcast receiving device such as a carbide or a portable DMB terminal in which a television receiver located indoors is mounted in a vehicle through a channel information access device, wherein a control command for instructing channel linkage is input. A first step of setting, by the television receiver and the broadcasting receiver, a channel linking mode for channel linking; A second channel for transmitting the number of a channel currently being broadcast to the channel information accessing device in real time as the viewer moves to the outside while the television receiver is outputting a broadcast received from a broadcasting station while the channel linking mode is set; step; A third step of transmitting, by the channel information access device, the received channel number to the broadcast receiving device as the viewer moves outside; And a fourth step of the broadcast receiving device tuning to a broadcast channel that is broadcast on the television receiver as a channel number is received from the channel information access device.

The present invention relates to a method for performing channel linkage with a broadcast receiving device such as a carbide or a portable DMB terminal in which a television receiver located indoors is mounted in a vehicle through a channel information access device, wherein a control command for instructing channel linkage is input. A first step of setting, by the television receiver and the broadcasting receiver, a channel linking mode for channel linking; In the state that the channel interlocking mode is set, the broadcast receiving device transmits a channel number currently being broadcast to the channel information access device as the broadcast off command is input while the broadcast receiving device is outputting a broadcast received from a broadcasting station, and then broadcast reception is turned off. A second step of doing; A third step of transmitting, by the channel information access device, the channel number received from the broadcast receiving device to the television receiver in real time; And a fourth step of tuning the channel currently broadcast by the television receiver to a channel received from the channel information access device.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a schematic diagram of a channel linkage system according to an embodiment of the present invention, a television receiver 100 located inside such as a house, a car TV 200 installed in a vehicle, and a portable DMB terminal used for portable purposes ( 300 and a channel information access device 400 for connecting channel information transmitted and received between the television receiver 100 and the TV 200 or the portable DMB terminal 300.

The television receiver 100, the TV 200, and the portable DMB terminal 300 are broadcast receiving apparatuses for receiving and displaying a composite video signal transmitted from a broadcasting station. The channel linkage is performed through the channel information connected by the channel information access device 400 in the set state, which will be described in detail below.

The television receiver 100 continuously detects the movement of the viewer while outputting the composite video signal received from the broadcasting station while setting the channel interlocking mode according to the user's instruction. In order to transmit the channel number currently being broadcast to the channel information access device 400. At this time, the channel information access device 400 transmits the channel number received from the television receiver 100 to the TV 200 or the portable DMB terminal 300 for channel linking when the viewer moves outside (outside the house).

In the channel interlocking mode, when the channel number transmitted from the TV 200 or the portable DMB terminal 300 is received through the channel information access device 400, the television receiver 100 tunes to the received channel. Here, when a channel number is received in a standby state (a state in which broadcast reception is off) for channel linkage, the television receiver 100 turns on broadcast reception and stores the channel in the initial state. Outputs a broadcast of the channel that was being broadcast at the time of broadcast reception OFF and then tunes to the received channel. However, if the stored channel is the same as the received channel, the broadcast of the stored channel is continuously output without tuning the channel. do.

In addition, when the television receiver 100 tunes to a channel received through the channel information access device 400, the television receiver 100 automatically records broadcasts received through the tuned channel simultaneously with the tuning of the channel. When the playback command is input from the user who recorded the broadcast, the television receiver 100 plays the recorded broadcast.

When the TV 200 or the portable DMB terminal 300 is set to the channel interlocking mode and the channel number transmitted from the television receiver 100 is received through the channel information access device 400, the TV receiver 100 is broadcast on the television receiver 100. Tune to a broadcast channel. At this time, when the channel number is received in the standby state for channel interworking, the TV 200 or the portable DMB terminal 300 turns on the broadcast reception and stores the channel stored in the initial state (broadcasting at the time of broadcast reception off). The broadcasts of the channel) are output and then tuned to the received channels. However, if the stored channel and the receiving channel are the same, the broadcasts of the stored channels are continuously output without tuning the channels. When the broadcast off command is input while the composite video signal received from the broadcasting station is being output, the TV 200 or the portable DMB terminal 300 transmits the currently broadcasted channel number through the channel information access device 400. Broadcast reception is turned off after transmission to the television receiver 100.

When the channel number is received from the television receiver 100, the channel information access device 400 detects whether the viewer has moved out from the inside (house), and if the channel information is out, the received channel number is stored through the Bluetooth communication. The TV 200 is transmitted to the TV 200 or the portable DMB terminal 300, and at the same time, the TV receiver 100 informs that the channel linkage with the TV 200 or the portable DMB terminal 300 is performed. At this time, after receiving a result of channel linkage from the channel information access device 400, the television receiver 100 automatically turns off broadcast reception and maintains a standby state for channel linkage.

When the channel number for channel linkage is received from the TV 200 or the portable DMB terminal 300, the channel information access device 400 transmits the received channel number to the television receiver 100 in real time.

Here, the channel information access device and the TV 200 or the portable DMB terminal 300 transmit and receive channel information through Bluetooth communication, and the television receiver 100 and the channel information access device 400 connect a power line that is a dedicated modem line. Send and receive channel information. However, the communication method used to implement the technical idea of the present invention is not limited thereto, and for example, the television receiver 100 and the channel information access device 400 may be implemented to transmit and receive channel information through Bluetooth communication. have.

2 is a block diagram of a television receiver for channel linkage according to an embodiment of the present invention.

Referring to FIG. 2, the television receiver 100 of the present invention includes a tuner 101 for tuning a plurality of broadcast channels received through different frequency bands from a plurality of broadcast stations, and received through the tuner 101. A demodulator 102 for demodulating the composite video signal, an A / D converter 103 for converting the analog composite video signal demodulated by the demodulator 102 into a digital composite video signal, and A signal separation unit (DEMUX) 104 for separating the digital composite video signal converted by the D converter 103 into an audio signal and a video signal, and an audio signal and a video signal separated by the signal separation unit 104. A decoder 105 for decoding, a speaker 106 for outputting an audio signal to the outside, and an audio processor 107 for making the audio signal decoded by the decoder 105 into an electric signal suitable for the speaker 106. ), And from the audio processing unit 107 And an amplifier 108 for amplifying the output electrical signal and outputting it to the speaker 106.

The television receiver 100 includes a screen 109 for displaying a video signal, a video processor 110 for converting the video signal decoded by the decoder 105 into a signal form suitable for the screen 109, A storage unit 111 for storing various information and execution programs, a communication unit 112 for transmitting / receiving channel information with the channel information access device 400, a person movement detector 113 for detecting a viewer's movement, And a control unit 114 for controlling the reception and output of the composite video signal and controlling the interworking of the channel according to a user command input through a remote controller or the like and the detection result of the human movement detector 113. An interface 115 for connecting data transmitted and received between the 112 and the controller 114, and an image signal output from the video processor 110 under the control of the controller 113 is output to the screen 109. Spirit to make And an output unit 116.

The tuner 101 receives a plurality of broadcast channels received through different frequency bands from a plurality of broadcast stations, but the analog composite image received through a tuned channel tuned to a broadcast channel indicated by the control unit 113 to receive the broadcast. The signal is transmitted to the demodulator 102.

The demodulator 102 receives a composite video signal modulated from a broadcasting station through the tuner 101 and demodulates the modulated composite video signal and outputs the demodulated composite video signal to the A / D converter 103.

The A / D converter 103 samples an analog composite video signal input from the demodulator 102 and converts the analog composite video signal into a digital composite video signal under the control of the controller 114, and then converts the digital composite video signal into a signal separation unit 104. Will output

The signal separator 104 separates the digital composite video signal input from the A / D converter 103 into an audio signal and a video signal under the control of the controller 114, and outputs it to the decoder 105.

The decoder 105 decodes the audio signal and the video signal input from the signal separator 104 under the control of the controller 114, decompresses the compressed audio signal and the video signal, and then decodes the decoded audio signal. The video signal output to the video processor 110 is outputted to the video processor 110.

The audio processor 107 converts an audio signal input from the decoder 105 into an electric voice signal suitable for the speaker 106 under the control of the controller 114 and outputs it to the amplifier 108.

The video processor 110 converts the digital video signal input from the decoder 105 into a signal suitable for the screen 109 under the control of the controller 114 and outputs the signal to the video output unit 116.

The storage unit 111 is a storage medium for storing various kinds of information, and may be implemented as a memory device such as RAM or EEPROM or a hard disk driver (HDD). In the 111, an execution program for channel linkage according to the present invention is set, and an execution program for controlling reception and output of a composite video signal is set, and channel information written by the control unit 114, for example, Stores the channel number and the like that were being broadcast at the time of broadcast reception off. When performing channel linking, broadcasts recorded according to a recording instruction of the controller 114 are stored in the storage 111.

The communication unit 112 may be implemented as a modem or a Bluetooth module, and when implemented as a modem, transmits and receives channel information with the channel information access device 400 through a power line that is a modem dedicated line. If implemented as a Bluetooth communication module, the communication unit 112 converts the channel information transmitted by the control unit 114 into a frequency signal of the Bluetooth communication band and transmits the converted channel information to the channel information access device 400 and sends the channel information access device ( When the channel information converted into the frequency signal of the Bluetooth communication band is received from 400, the received channel information is converted into a baseband signal suitable for the control unit 114 and transmitted to the control unit 114.

The human movement detector 113 is generated from the ultrasonic generator 113-1 for generating ultrasonic waves under the control of the controller 114, and from the ultrasonic generator 113-1 under the control of the controller 114. The ultrasonic wave is provided with an ultrasonic receiver 113-2 for receiving ultrasonic waves reflected by surrounding walls or objects.

When the channel interlocking mode is set, when the control unit 114 outputs a control signal instructing generation and reception of the ultrasonic wave to the ultrasonic wave generator 113-1 and the ultrasonic wave receiver 113-2, the ultrasonic wave generator 113- 1) generates an ultrasonic wave for detecting the movement of the person to the front of the television receiver 100, the ultrasonic wave is not unidirectional and dispersed in several directions. The generated ultrasonic waves are reflected by the surrounding wall or the object and received by the ultrasonic receiver 113-2, and the ultrasonic receiver 113-2 transmits the received ultrasonic waves to the controller 114. At this time, the control unit 114 determines the movement of the person through the change of the received ultrasonic intensity, which uses the difference between the ultrasonic intensity reflected by the person and the ultrasonic intensity reflected by the surrounding objects or walls, That is, if the ultrasonic intensity reflected from the position where the person was suddenly counted, the controller 114 determines that the person has moved, and if the ultrasonic intensity received through the ultrasonic receiver 113-2 is reflected by the surrounding wall or object If it is the same as the ultrasonic strength, the controller 114 determines that the person went out.

When the user instructs channel linkage using a remote controller or the like, the controller 114 executes a channel linkage execution program stored in the storage 111 and controls channel linkage according to the execution program as follows.

In the state of outputting the broadcast transmitted from the broadcasting station on the screen 109, if the fact that the viewer went out to the outside through the motion detector 113, the control unit 114 displays the channel number currently being broadcasted by the communication unit ( Through 112, it transmits to the channel information access device 400. At this time, the channel information access device 400 detects whether the viewer went out from the inside (house), and if it went out to the outside as a result of the detection, the received channel number through the Bluetooth communication or the mobile TV 200 or the portable DMB terminal 300. At the same time, it informs the television receiver 100 that the channel link with the TV 200 or the portable DMB terminal 300 has been performed. When the channel linkage is received as described above, the television receiver 100 automatically receives the channel linkage after receiving a result of the channel linkage from the channel information access device 400, and then turns off the broadcast reception and automatically performs the channel linkage. To maintain a standby state.

When the channel number transmitted from the TV 200 or the portable DMB terminal 300 is received through the channel information access device 400, the controller 114 channels the broadcast channel currently being received through the tuner 101. Tuning to a channel received from the information access device 400. If the channel number is received in the standby state for channel linkage, the controller 114 turns on the broadcast reception and outputs the broadcast of the channel stored in the initial state and then tunes to the received channel. If the channel and the reception channel are the same, the broadcast of the stored channel is continuously output without performing channel tuning.

3 is a block diagram of a channel information access device for channel linkage according to an embodiment of the present invention.

Referring to FIG. 3, the channel information access device 400 of the present invention includes a modem 401 for performing data communication with the television receiver 100 through the power line, and a TV 200 or a portable DMB terminal ( The Bluetooth communication module 402 for transmitting and receiving channel information with the 300, the human movement detector 403 for detecting the movement of the viewer, and the channel information received from the television receiver 100 via the modem 401 The modem module transmits the channel information received through the Bluetooth communication module 402 from the TV 200 or the portable DMB terminal 300 through the communication module 402 to the KTV 200 or the portable DMB terminal 300. And transmits to the television receiver 100 via the television receiver 100 through the modem 401 when the viewer detects that the viewer is going outside (outdoor) through the person movement detector 403. Controls that tell) 404, an interface 405 for connecting data transmitted and received between the modem 401 and the control unit 404, and for connecting data transmitted and received between the Bluetooth communication module 402 and the control unit 404. It is provided.

The modem 401 performs data communication with the television receiver 100 via the power line to transmit the channel information and the movement information of the viewer, transmitted by the control unit 404, to the television receiver 100, and also the television receiver. Receives the channel information transmitted from the 100 and transmits to the control unit 404.

As described above, although the channel information access device 400 includes the modem 401, the present invention is not necessarily limited thereto. For example, the channel information access device 400 is connected to the television receiver 100 through Bluetooth communication. ) May be implemented to perform data communication. In this case, the modem 401 is not employed in the channel information access device 400.

The Bluetooth communication module 402 converts the channel information transmitted by the control unit 404 into a frequency signal of the Bluetooth communication band and transmits it to the TV 200 or the portable DMB terminal 300, and the TV 200 or the portable. When the channel information converted into the frequency signal of the Bluetooth communication band is received from the DMB terminal 300, the received channel information is converted into a baseband signal suitable for the control unit 404 and transmitted to the control unit 404.

The person movement detector 403 is generated from the ultrasonic generator 403-1 for generating ultrasonic waves under the control of the controller 404 and from the ultrasonic generator 403-1 under the control of the controller 404. An ultrasonic receiver 403-2 is provided for receiving ultrasonic waves reflected by surrounding walls or objects.

As the channel number is received from the television receiver 100, when the control unit 404 outputs a control signal instructing generation and reception of the ultrasonic wave to the ultrasonic wave generation unit 403-1 and the ultrasonic wave receiving unit 403-2, the ultrasonic wave is generated. The generation unit 403-1 generates an ultrasonic wave for detecting the movement of the person. When the generated ultrasonic waves are reflected by the surrounding wall or the object and received by the ultrasonic receiver 403-2, the ultrasonic receiver 403-2 receives the reflected ultrasonic waves and transmits the received ultrasonic strength to the controller 404. do. At this time, the control unit 404 determines the movement of the person through the change in the received ultrasonic intensity, and if it is determined that the person moved to the outside, the fact that the person moved to the outside through the television receiver (401) 100).

When the channel number transmitted from the television receiver 100 is received through the modem 401, the controller 404 detects whether the viewer has moved to the outside through the person movement detector 403, and if the channel number is received outside, the received channel number. Is transmitted to the car TV 200 or the portable DMB terminal 300 through the Bluetooth communication module 402, and at the same time, the fact that the viewer moves to the outside and the channel linkage with the car TV 200 or the portable DMB terminal 300 Informs the television receiver 100 that it has been done.

When the channel number transmitted from the TV 200 or the portable DMB terminal 300 is received through the Bluetooth communication module 402, the received channel number is transmitted to the television receiver 100 through the modem 401 in real time. send.

Meanwhile, the channel information access device 400 may be installed at the entrance of a house.

The process of performing channel interworking with the broadcast receiving device located outdoors by the TV receiver of the present invention through the channel information access device of the present invention having the function and configuration as described above will be described with reference to the flowchart.

4A is a flowchart illustrating a channel interworking method according to an exemplary embodiment of the present invention, in which the television receiver 100 transmits the number of a channel currently being broadcast to the TV 200 or the portable DMB terminal 300 to perform channel interworking. It shows the process.

Referring to FIG. 4A, first, as a control command for instructing channel linkage is input by a user, the television receiver 100, the TV 200, and the portable DMB terminal 300 set a channel linkage mode for channel linkage. (S401).

While the channel interlocking mode is set, the television receiver 100 continuously detects the movement of the viewer while outputting the composite video signal received from the broadcasting station, and determines whether the viewer has moved outside (S402). If not, the television receiver 100 continues to maintain the broadcast channel currently being received until a new control command is input from the user (S403).

As a result of the determination, when the viewer moves to the outside, the television receiver 100 transmits the number of the channel currently being broadcast to the channel information access device 400 in real time for channel linking (S404).

At this time, the channel information access device 400 detects the movement of the viewer to determine whether the viewer has moved to the outside (S405), and if not determined to go outside, the channel number received from the television receiver 100 is external to the viewer. Store until it is detected to move to (S406). In the storing process (S406), when the channel information access device 400 receives a new channel number from the television receiver 100 while storing one channel number, the channel information access device 400 deletes the previously stored channel number and newly receives the channel number. Until it is detected that the viewer is moving outside.

If it is determined in the determination process (S405) that the viewer is moved to the outside, the channel information access device 400 is the channel number 200 received from the television receiver 100 or the portable DMB terminal 300 And at the same time viewers are out The TV receiver 100 informs the fact that the movement and the channel link between the TV 200 and the portable DMB terminal 300 have been performed (S407).

At this time, after receiving a result of channel linkage from the channel information access device 400, the television receiver 100 automatically turns off broadcast reception and maintains a standby state for channel linkage. S408).

Then, the TV 200 or the portable DMB terminal 300 tunes to the broadcast channel that is being broadcast on the television receiver 100 (S409). Here, when the channel number is received in the standby state for channel linkage, the TV 200 or the portable DMB terminal 300 turns on the broadcast reception and outputs the broadcast of the stored channel in the initial state. If the channel is tuned, but the stored channel is the same as the reception channel, the broadcast of the stored channel is continuously output without tuning the channel.

4B is a flowchart illustrating a channel interworking method according to an embodiment of the present invention, in which the TV 200 or the portable DMB terminal 300 transmits the number of the channel currently being broadcast to the television receiver 100 to perform channel interworking. It shows the process.

Referring to FIG. 4B, first, as a control command for instructing channel linkage is input by a user, the television receiver 100, the TV 200, and the portable DMB terminal 300 set a channel linkage mode for channel linkage. (S410).

When the channel interlocking mode is set, the TV 200 or the portable DMB terminal 300 outputs a composite video signal received from a broadcasting station, and when a broadcast off command is input (S411), the channel number currently being broadcast is channeled. After transmitting to the information access device 400, broadcast reception is turned off (S412).

Then, the channel information access device 400 transmits the channel number received from the TV 200 or the portable DMB terminal 300 to the television receiver 100 in real time (S413). Subsequently, the television receiver 100 tunes the channel currently being broadcast to the channel received from the channel information access device 400 (S414).

In the tuning process (S414), when the channel number is received in the standby state for channel linkage, the television receiver 100 turns on the broadcast reception and outputs the broadcast of the channel stored in the initial state to the received channel. However, if the stored channel and the receiving channel are the same, broadcasts of the stored channel are continuously output without performing channel tuning. At this time, the television receiver 100 automatically records broadcasts received through the tuned channel simultaneously with the tuning of the channel.

Although the technical spirit of the present invention has been described in detail according to the above-described preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention.

As described above, according to the present invention, a channel connection device is used to link a channel in real time between a carbide or a portable DMB terminal and a television receiver located therein, so that even if the viewer moves the position while watching a broadcast, the channel is separately provided. It is possible to facilitate the viewer by continuing to watch the broadcast being viewed without selecting. In addition, the present invention automatically records the broadcast from the point of view of the channel when the TV receiver located in the broadcast or broadcast on the broadcast or portable DMB terminal, the broadcast portion that the viewer does not see while moving Play it back.

Claims (26)

A system for performing channel linkage in a state of outputting a composite video signal transmitted from a broadcasting station, When the channel interlocking mode is set and the viewer receives a broadcast from a broadcasting station and the viewer moves to another location, the channel number currently being broadcast is transmitted to the outside for channel linking, and the channel number for channel linking is received from the outside. A television receiver tuned to the received channel when received; Located at a different place from the television receiver, when a channel number for channel linkage is received from the television receiver, the television receiver tunes to a broadcasting channel that is being broadcast and broadcasts the broadcast received from the broadcasting station. A broadcast receiver which transmits a channel number currently being broadcast to the television receiver and turns off broadcast reception when a command is input; And Channel information access device for connecting channel information transmitted and received between the television receiver and a broadcast receiving device Channel interlocking system comprising a. The method of claim 1, The broadcast receiving device is a channel interlocking system, characterized in that the car TV installed in the vehicle. The method of claim 1, And the broadcast receiving device is a portable DMB terminal for receiving terrestrial digital multimedia broadcasting. The method of claim 1, The channel information access device is installed in a position spaced apart from the television receiver, the channel interlocking system, characterized in that installed outside. The method of claim 1, The channel information access device transmits the channel information received from the television receiver to the broadcast receiving device through Bluetooth communication, and transmits the channel information received from the broadcast receiving device through Bluetooth communication to the television receiver. Channel linkage system. The method of claim 5, And the channel information access device transmits and receives channel information to and from the television receiver through a power line which is a dedicated modem line. The method of claim 5, And the channel information access device transmits and receives channel information to and from the television receiver through Bluetooth communication. Receives broadcasts transmitted through a plurality of broadcast channels through a tuner, transmits and receives channel information through a channel information access device and a broadcast receiving device such as a carbide or a portable DMB terminal mounted in a vehicle, and performs channel linkage with the broadcast receiving device. In a television receiver for performing, Communication means for transmitting and receiving channel information with the channel information access device; Person movement detecting means for detecting the movement of the viewer; And When the fact that the viewer moves to the outside is detected by the person movement detecting means, the channel number currently being broadcast is transmitted to the channel information access device through the communication means, and the channel number transmitted from the broadcast receiving device is the channel information. Control means for tuning the broadcast channel received through the tuner to the received channel number when received through the access device TV receiver comprising a. The method of claim 8, And said communication means is a modem for transmitting and receiving channel information with said channel information connecting device via a power line which is a modem dedicated line. The method of claim 8, The communication means is a television receiver, characterized in that the Bluetooth communication module for transmitting and receiving channel information via the Bluetooth communication with the channel information access device. The method of claim 8, The person movement detecting means, An ultrasonic generator for generating ultrasonic waves under the control of the control means; And Ultrasonic receiving unit for receiving the ultrasonic wave reflected by the wall or the object surrounding the ultrasonic wave generated from the ultrasonic generator under the control of the control means and transmits the received ultrasonic intensity to the control means TV receiver comprising a. The method according to any one of claims 8 to 11, Storage means for storing channel information and recorded broadcasts written by the control means; TV receiver further comprising. A channel information access device for connecting channel information transmitted and received for channel linkage between an indoor television receiver and a broadcast receiving device such as a cartic or portable DMB terminal mounted in a vehicle, Communication means for transmitting and receiving channel information and various types of information with the broadcasting receiver and television receiver; Person movement detecting means for detecting the movement of the viewer; And The channel information received from the television receiver through the communication means is transmitted to the broadcast receiving device through the communication means, and the channel information received from the broadcast receiving device through the communication means through the communication means. Control means for informing the television receiver of the fact that the viewer has moved to the outside when the movement of the viewer is detected by the person movement detecting means. Channel information access device comprising a. The method of claim 13, And the communication means is a Bluetooth communication module for transmitting and receiving channel information through the Bluetooth communication with the broadcast receiving device and the TV receiver. The method of claim 13, The communication means, A modem for transmitting and receiving channel information with the television receiver over a power line, which is a modem dedicated line; And Bluetooth communication module for transmitting and receiving channel information through the Bluetooth communication with the broadcast receiving device Channel information access device comprising a. The method according to any one of claims 13 to 15, The person movement detecting means, An ultrasonic generator for generating ultrasonic waves under the control of the control means; And Ultrasonic receiving unit for receiving the ultrasonic wave reflected by the wall or the object surrounding the ultrasonic wave generated from the ultrasonic generator under the control of the control means and transmits the received ultrasonic intensity to the control means Channel information access device comprising a. In a method for performing channel interworking with a broadcast receiving device such as a carbide or a portable DMB terminal mounted in a vehicle through a channel information access device located indoors, A first step of setting, by the television receiver and the broadcasting receiver, a channel linking mode for channel linking according to a control command for instructing channel linking; A second channel for transmitting the number of a channel currently being broadcast to the channel information accessing device in real time as the viewer moves to the outside while the television receiver is outputting a broadcast received from a broadcasting station while the channel linking mode is set; step; A third step of transmitting, by the channel information access device, the received channel number to the broadcast receiving device as the viewer moves outside; And A fourth step of the broadcast receiving device tuning to a broadcast channel that is being broadcast by the television receiver as a channel number is received from the channel information access device; Channel interlocking method comprising a. The method of claim 17, The second step, A second step of determining whether the viewer has moved outside by continuously detecting the movement of the viewer while the television receiver is outputting a composite video signal received from a broadcasting station; If it is determined that the mobile terminal does not move to the outside as a result of the determination, step 2-2 of continuing to maintain the currently received broadcast channel until a new control command is input; And If the viewer moves to the outside as a result of the determination, step 2-3 of the television receiver transmitting the number of the channel currently being broadcast to the channel information accessing device in real time for channel linkage; Channel interlocking method comprising a. The method of claim 17 or 18, The third step, Step 3-1, wherein the channel information access device detects the movement of the viewer and determines whether the viewer has moved outside; A third step of storing, by the channel information access device, the channel number received from the television receiver until it is detected that the viewer moves to the outside if the determination result does not go out; And If it is determined that the viewer has moved outside, the channel information access device transmits the channel number received from the television receiver to the broadcast receiving device; Channel interlocking method comprising a. The method of claim 19, In step 3-2, when the channel information access device receives a new channel number from the television receiver while storing one channel number, the channel information access device deletes the previously stored channel number and displays the newly received channel number. Channel interlocking method characterized in that the storage until the movement to the outside is detected. The method of claim 19, In step 3-3, the channel information access device informs the television receiver that the viewer has moved to the outside and that channel linking with the broadcasting receiver has been performed. The method of claim 21, And the television receiver automatically turns off broadcast reception and maintains a standby state for channel linkage after a predetermined time after receiving the result of channel linkage from the channel information access device. The method of claim 17, In the fourth step, When receiving the channel number in the standby state for channel linkage, the broadcast receiving device turns on the broadcast reception and outputs the broadcast of the stored channel, and then tunes to the received channel. And continuously outputting the broadcast of the memorized channel without performing the operation. In a method for performing channel interworking with a broadcast receiving device such as a carbide or a portable DMB terminal mounted in a vehicle through a channel information access device located indoors, A first step of setting, by the television receiver and the broadcasting receiver, a channel linking mode for channel linking according to a control command for instructing channel linking; In the state that the channel interlocking mode is set, the broadcast receiving device transmits a channel number currently being broadcast to the channel information access device as the broadcast off command is input while the broadcast receiving device is outputting a broadcast received from a broadcasting station, and then broadcast reception is turned off. A second step of doing; A third step of transmitting, by the channel information access device, the channel number received from the broadcast receiving device to the television receiver in real time; And A fourth step of tuning the channel currently broadcast by the television receiver to a channel received from the channel information access device. Channel interlocking method comprising a. The method of claim 24, In the fourth step, when the television receiver receives a channel number in a standby state for channel linkage, the television receiver turns on broadcasting and outputs a broadcast of the stored channel, and then tunes to the received channel. In this case, the channel linkage method is characterized by continuously outputting the broadcast of the stored channel without performing channel tuning. The method of claim 24 or 25, In the fourth step, the television receiver is a channel interlocking method, characterized in that recording the broadcast received through the tuned channel simultaneously with the tuning of the channel.

Images