KR20130065486A - Apparatus and system for receiving broadcasting and method for controlling thereof - Google Patents

Apparatus and system for receiving broadcasting and method for controlling thereof Download PDF

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Publication number
KR20130065486A
KR20130065486A KR1020110132366A KR20110132366A KR20130065486A KR 20130065486 A KR20130065486 A KR 20130065486A KR 1020110132366 A KR1020110132366 A KR 1020110132366A KR 20110132366 A KR20110132366 A KR 20110132366A KR 20130065486 A KR20130065486 A KR 20130065486A
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KR
South Korea
Prior art keywords
data
broadcast
signal
transmitted
received
Prior art date
Application number
KR1020110132366A
Other languages
Korean (ko)
Inventor
박철희
Original Assignee
엘지이노텍 주식회사
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Application filed by 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020110132366A priority Critical patent/KR20130065486A/en
Publication of KR20130065486A publication Critical patent/KR20130065486A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/71—Wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

A control method of a broadcast system according to an exemplary embodiment of the present invention includes: receiving first data through a cable connected to a first device; Converting the first data into second data according to a wireless communication standard through the first device; Wirelessly transmitting the converted second data from the first device to a second device; Converting the second data into first data through the second device; And displaying the converted first data through the second device.

Description

Broadcasting apparatus, broadcasting system and control method thereof {Apparatus and system for receiving broadcasting and method for controlling approximately}

The present invention relates to a broadcast system, a broadcast receiving apparatus, and a control method thereof.

BACKGROUND In general, a display device includes a television, and in recent years, a television technology has developed a method of transmitting broadcast signals due to the development of broadcast technology, and accordingly, interest in digital television using a digital transmission method has increased.

Digital televisions transmit analog broadcast signals in digital form, minimizing the effects of noise and facilitating the reproduction of the original image.

Such a display device displays a signal coming from the antenna and the indoor signal line. The signal is received by a tuner provided in the display apparatus, and the tuner is connected to the antenna by wire.

Accordingly, there is a limitation in the space in which the display device can be disposed, and in order to place the display device away from a signal source, the signal line length becomes longer, resulting in loss of signals or inconvenience to consumers. have.

In an embodiment according to the present invention, a wireless communication module is provided in a transmitting device including a tuner and a receiving device having a display module, respectively, to enable wireless data transmission and reception between the transmitting device and the receiving device.

Technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned above are clearly understood by those skilled in the art to which the embodiments proposed from the following description belong. Could be.

A control method of a broadcast system according to an exemplary embodiment of the present invention includes: receiving first data through a cable connected to a first device; Converting the first data into second data according to a wireless communication standard through the first device; Wirelessly transmitting the converted second data from the first device to a second device; Converting the second data into first data through the second device; And displaying the converted first data through the second device.

In addition, the broadcast receiving apparatus according to an embodiment of the present invention, a communication unit for transmitting a data request signal to the broadcast transmission device, and receives the data transmitted through the broadcast transmission device according to the transmitted data request signal; A decoder for decoding the data received through the communication unit; An output unit for outputting the decoded data through the decoder; And a control unit controlling the data request signal to be transmitted to the broadcast transmission device, and controlling the received data to be decoded through the decoder and output through the output unit. The data is data converted according to a preset wireless communication standard.

In addition, the broadcast system according to an embodiment of the present invention, receiving a broadcast signal through a cable connected to the input port, converts the received broadcast signal into data according to the wireless communication standard, at least the pre-connected the converted data A broadcast transmitter transmitting to one device; And at least one broadcast receiving device which receives data transmitted through the broadcast transmitting device, decodes the received data into an original signal and outputs the original signal.

According to an embodiment of the present invention, the structure of a receiving apparatus (display apparatus) can be simplified by separating the receiving apparatus and the transmitting apparatus, and by transmitting data through wireless communication, the arrangement of the receiving apparatus and the transmitting apparatus Spatial constraints are removed.

1 is a diagram illustrating a broadcast system according to an exemplary embodiment of the present invention.
FIG. 2 is a diagram illustrating the broadcast transmitter shown in FIG. 1, and FIG. 3 is a diagram illustrating the broadcast receiver shown in FIG. 1.
4 and 5 are flowcharts illustrating step by step a control method of a broadcast system according to an exemplary embodiment of the present invention.

The proposed embodiment will be described.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It should be understood, however, that there is no intention to limit the scope of the present invention to the embodiment shown, and other embodiments which are degenerative by adding, changing or deleting other elements or other embodiments falling within the spirit of the present invention Can be proposed.

Although the term used in the present invention is a general term that is widely used at present, there are some terms selected arbitrarily by the applicant in a specific case. In this case, since the meaning is described in detail in the description of the corresponding invention, It is to be understood that the present invention should be grasped as a meaning of a non-term.

That is, in the following description, the word 'comprising' does not exclude the presence of other elements or steps than those listed.

1 is a diagram illustrating a broadcast system according to an exemplary embodiment of the present invention.

As shown in FIG. 1, the broadcasting system includes a remote controller 10, 20 for remotely inputting a user's request command, and a broadcast receiver for receiving a signal from the remote controller 10 and displaying an image. And a broadcast transmitter 100 for transmitting data to the broadcast receiver 200.

The broadcast transmitter 100 may also be referred to as TX and may transmit data to a plurality of broadcast receivers 200. At this time, the broadcast transmitting device 100 receives an analog signal (TV, CVBS, S-Video) or a digital signal and converts it into data according to a wireless communication standard, and converts the converted data into the broadcast receiving device ( 200).

The broadcast transmitting device 100 includes a wireless communication unit 110 for communicating with the broadcast receiving device 200.

The broadcast receiving device 200 may also be referred to as RX, and decodes and displays data converted according to a wireless communication standard transmitted through the broadcast transmitting device 100, and displays a signal transmitted from the remote controller 20. It serves to transmit to the broadcast transmitting device (100).

In addition, the broadcast receiving device 200 includes a wireless communication unit 210 for communicating with the broadcast transmitting device 100.

For example, the broadcast transmitter 100 may be installed in a living room, and the broadcast receiver 200 may be installed at various locations such as a living room, a kitchen, a bathroom, and a bedroom, or the plurality of broadcast receivers 200 may be provided. It may be installed at a plurality of positions respectively.

The remote controllers 10 and 20 control the operations of the broadcast transmitter 100 and the broadcast receiver 200, respectively.

That is, the remote controller 10 controls the operation of the broadcast transmitter 100, and the remote controller 20 controls the operation of the broadcast receiver.

Hereinafter, the broadcast transmitter 100 and the broadcast receiver 200 will be described in more detail with reference to the accompanying drawings.

FIG. 2 is a diagram illustrating the broadcast transmitter shown in FIG. 1, and FIG. 3 is a diagram illustrating the broadcast receiver shown in FIG. 1.

Referring to FIG. 2, the broadcast transmitter 100 includes a wireless communication unit 110, an input port 120, a tuner 130, a storage 140, and a controller 150.

The wireless communication unit 110 communicates with the broadcast receiving device 200. To this end, the wireless communication unit 110 includes a transmitter for data transmission and a receiver for data reception, respectively.

In particular, the wireless communication unit 110 converts the broadcast signal received through the tuner 130 into data according to a preset wireless communication standard, and transmits the converted data to the broadcast receiving device 200.

The wireless communication standard includes at least one of a wireless LAN (Wi-Fi), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA) communication standard.

The input port 120 is connected via an antenna and a cable. In this case, the input port 120 may be a terrestrial, satellite, or cable broadcasting port connected through an antenna and a cable as described above. Alternatively, the input port 120 may be an external input port for receiving a signal input through an external device.

That is, the input port 120 may be connected to the external device 190 such as a digital versatile disk (DVD), a Blu-ray, a game device, a camera, a camcorder, a computer (laptop), or the like by wire or wireless. . The external device interface unit 130 receives an image, audio or data signal input from the outside through the connected external device 190.

Accordingly, the input port 120 may include a USB terminal, a composite video banking sync (CVBS) terminal, a component terminal, an S-video terminal (analog), a digital visual interface (DVI) terminal, a high definition multimedia interface (HDMI) terminal, RGB terminal, D-SUB terminal and the like.

The tuner 130 may receive an RF broadcast signal of a single carrier according to an Advanced Television System Committee (ATSC) scheme or an RF broadcast signal of multiple carriers according to a digital video broadcasting (DVB) scheme transmitted through the input port 120. Can be.

Meanwhile, the tuner 110 sequentially selects RF broadcast signals of all broadcast channels stored through a channel memory function among RF broadcast signals received through an antenna and converts them into intermediate frequency signals or baseband video or audio signals. I can convert it.

The storage unit 140 may perform a function for temporarily storing a broadcast signal input through the input port 120. In addition, the storage 140 may store information regarding a predetermined broadcast channel through a channel storage function such as a channel map.

In addition, the storage 140 may store information of the connected broadcast receiving apparatus 200.

In addition, the storage 140 stores data generated during the operation of the broadcast transmitter 100 and data necessary for the operation of the broadcast transmitter 100.

In addition, the storage 140 stores priority information on the broadcast receiving device 200 for changing a channel.

The storage unit 140 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), It may include at least one type of storage medium such as RAM, ROM (EEPROM, etc.).

In FIG. 2, an embodiment in which the storage 140 is provided separately from the controller 150 is illustrated, but the scope of the present invention is not limited thereto. That is, the storage 140 may be included in the controller 150.

The controller 150 controls the overall operation of the broadcast transmitting device 100.

For example, the controller 150 may control the tuner 130 to control tuning of an RF broadcast corresponding to a channel selected by a user or a pre-stored channel.

In addition, the controller 150 may control the broadcast transmission device 100 by a user command or an internal program input through the remote control device 10. For example, the controller 150 controls the signal of the selected channel to be input through the tuner 130 according to a predetermined channel selection command received through the remote controller 10. The controller 150 controls the signal selected through the tuner 130 to be converted through the wireless communication unit 110 and transmitted to the broadcast receiving apparatus 200.

When the channel change signal is input through the remote controller 10, the controller 150 controls the operation of the tuner 130 according to the changed channel change signal, so that a signal corresponding to the corresponding change channel is received. .

The controller 150 determines whether to receive a signal corresponding to the changed channel according to the channel change signal transmitted through the broadcast receiving device 200.

In this case, the controller 150 determines whether to receive the signal according to a preset condition, and the condition may include a device priority and a multi selection channel.

That is, the controller 150 controls the operation of the tuner 130 according to the channel change signal transmitted through the broadcast receiving apparatus 200 having the highest priority. In this case, when a channel change signal for different channels is transmitted through the broadcast receiver 200 having the first rank and the broadcast receiver 200 having the second rank, the broadcast receiver 200 having the first rank is transmitted. The operation of the tuner 130 is controlled based on the channel change signal.

In addition, the controller 150 allows the signals of the selected channels to be received. For example, three broadcast receivers exist, a channel change signal is transmitted from the first broadcast receiver and the second broadcast receiver to the first channel, and the channel change is transmitted from the third broadcast receiver to the second channel. When a signal is transmitted, the controller 150 controls the tuner 130 to change the channel to the first channel, which is a channel that is selected a lot.

Referring to FIG. 3, the broadcast receiving device 200 includes a wireless communication unit 210, a decoder 220, a display 230, a storage 240, and a controller 250.

The wireless communication unit 210 communicates with the broadcast transmitter 100 to receive data transmitted through the broadcast transmitter 100. In this case, the wireless communication unit 210 may be a communication module using the same wireless communication method as the wireless communication unit 110 provided in the broadcast transmitter 100.

The wireless communication standard includes at least one of a wireless LAN (Wi-Fi), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA) communication standard.

The decoder 220 decodes the data received through the wireless communication unit 210. In this case, the decoder 220 may further include a scaler (not shown) which performs scaling so that the resolution of the decoded signal may be output from the display 230.

The decoder 220 may include decoders of various standards. For example, the image decoder 225 may include at least one of an MPEG-2 decoder, an H.264 decoder, an MPEC-C decoder (MPEC-C part 3), an MVC decoder, and an FTV decoder.

The decoder 220 may include a decoder for decoding an image signal and a decoder for decoding an audio signal, respectively.

The display 230 outputs the decoded signal through the decoder 220. In this case, the display unit 230 may include any one of a display module among a plasma display panel (PDP), a liquid crystal display (LCD), an organic light emitting diode (OLED), a flexible display, and a 3D display. It can be implemented through

The controller 240 stores data generated during the operation of the broadcast receiving device 200 or data necessary for the operation.

The storage unit 240 may include a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), It may include at least one type of storage medium such as RAM, ROM (EEPROM, etc.).

The controller 250 controls the overall operation of the broadcast receiving device 200.

In particular, the controller 250 transmits a data request signal to the broadcast transmitter 100 according to a user request. Thereafter, the controller 250 receives the data transmitted through the broadcast transmission device 100 and controls the received data to be restored to the original signal and output through the display 230.

In addition, the controller 250 controls each component constituting the broadcast receiving device 200 according to a user request signal input through the remote control device 20, or transmits the user request signal to the broadcast transmitting device 100. To send.

That is, if the user request signal is a control signal for controlling the broadcast reception device 200, the controller 250 controls the operation of the broadcast reception device 200 based on the user request signal. However, if the user request signal is a control signal for controlling the operation of the broadcast transmitter 100, the controller 250 transmits the user request signal to the broadcast transmitter 100 to the user request signal. Accordingly, the operation of the broadcast transmitter 100 is performed.

4 and 5 are flowcharts illustrating step by step a control method of a broadcast system according to an exemplary embodiment of the present invention.

First, referring to FIG. 4, the broadcast transmitter 100 and the broadcast receiver 200 perform an authentication process by using address information of each other, and perform a connection process of forming a network accordingly.

Thereafter, the broadcast transmitting device 100 receives a broadcast signal of a channel selected through the remote control device 10 from among broadcast signals input from the outside (S410).

In operation 420, the broadcast transmitter 100 converts the received broadcast signal into data according to a preset wireless communication standard. The wireless communication standard may include at least one of a wireless LAN (Wi-Fi), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA) communication standard.

Thereafter, the broadcast transmitting device 100 transmits the converted data.

 The broadcast receiving device 200 receives data transmitted through the broadcast transmitting device 100 in step 430.

Thereafter, the broadcast receiving device 200 decodes the received data to restore the original signal, and outputs the decoded signal accordingly (steps 440 and 450).

Next, referring to FIG. 5, the broadcast receiving device 200 receives a channel change signal input through the remote control device 20 (operation 510).

The broadcast receiving device 200 transmits the received channel change signal to the broadcast transmitting device 100.

The broadcast transmitting device 100 receives a channel change signal transmitted through the broadcast receiving device 200 (step 520), and sets a predetermined condition to determine whether or not to perform channel change according to the channel change signal. Check (step 530).

The condition may include device priority and multiple selection channels.

Thereafter, the broadcast transmission device 100 determines whether channel switching to a change channel according to the channel change signal should be performed based on the checked condition (step 540). That is, the broadcast transmitting device 100 determines whether the channel change signal is transmitted through the broadcast receiving device 200 having the highest priority.

In addition, the broadcast transmission apparatus 100 determines whether the change channel corresponding to the received channel change signal is a selected channel by the reception of the channel change signal.

As a result of the determination (step 540), if a channel change is necessary, the broadcast transmission device 100 performs a channel switching operation for receiving a broadcast signal corresponding to the changed channel based on the received channel change signal. .

In operation 540, if no channel change is necessary, the broadcast transmitting device 100 continuously receives the corresponding broadcast signal through a previously selected channel (step 560).

According to an embodiment of the present invention, the structure of a receiving apparatus (display apparatus) can be simplified by separating the receiving apparatus and the transmitting apparatus, and by transmitting data through wireless communication, the arrangement of the receiving apparatus and the transmitting apparatus Spatial constraints can disappear.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: broadcast transmitter
110:
120: input port
130: Tuner
140:
150:
200: broadcast receiving device
210: wireless communication unit
220: decoder
230: display unit
240:
250:

Claims (15)

Receiving first data through a cable connected to the first device;
Converting the first data into second data according to a wireless communication standard through the first device;
Wirelessly transmitting the converted second data from the first device to a second device;
Converting the second data into first data through the second device; And
And displaying the converted first data through the second device. The method of claim 1,
The step of transmitting,
And transmitting the second data to a plurality of second devices connected to the first device, respectively. The method of claim 1,
And receiving, through the first device, third data corresponding to the corresponding change channel as the channel change signal is input to the first device. The method of claim 1,
Inputting a channel change signal to the second device;
Transmitting the channel change signal from the second device to the first device;
And receiving, via the first device, third data corresponding to the corresponding change channel based on the transmitted channel change signal. The method of claim 1,
The wireless communication standard includes at least one of a wireless LAN (Wi-Fi), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA) communication standard. Control method. A communication unit which transmits a data request signal to a broadcast transmission device and receives data transmitted through the broadcast transmission device according to the transmitted data request signal;
A decoder for decoding the data received through the communication unit;
An output unit for outputting the decoded data through the decoder; And
And a control unit for controlling the data request signal to be transmitted to the broadcast transmission device and controlling the received data to be decoded through the decoder and output through the output unit.
And the data transmitted through the broadcast transmitter is data converted according to a preset wireless communication standard. The method according to claim 6,
The control unit,
And a data change signal to the broadcast transmitter in response to a channel change signal input from the outside, so that data corresponding to the changed channel is received through the communication unit. The method according to claim 6,
The wireless communication standard includes at least one of a wireless LAN (Wi-Fi), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA) communication standard. . A broadcast transmitter for receiving a broadcast signal through a cable connected to an input port, converting the received broadcast signal into data according to a wireless communication standard, and transmitting the converted data to at least one connected device; And
And at least one broadcast receiving device for receiving data transmitted through the broadcast transmitting device, and decoding and outputting the received data into an original signal. The method of claim 9,
The broadcast transmitter,
A tuner for receiving a broadcast signal of a specific channel among broadcast signals received through the cable;
A wireless communication unit converting the broadcast signal received through the tuner into data according to a wireless communication standard and transmitting the converted data to the at least one broadcast receiving device;
And a control unit controlling the reception of the broadcast signal and controlling the received broadcast signal to be converted and transmitted to the broadcast receiving device. The method of claim 9,
The at least one broadcast receiving device,
A wireless communication unit which transmits a data request signal to the broadcast transmitter, and receives data transmitted through the broadcast transmitter according to the transmitted data request signal;
A decoder for decoding the data received through the wireless communication unit;
An output unit for outputting the decoded data through the decoder;
And a control unit for controlling the data request signal to be transmitted to the broadcast transmission device, and controlling the received data to be decoded through the decoder and output through the output unit. The method of claim 9,
And the broadcast transmitting apparatus changes the received broadcast signal into a broadcast signal corresponding to a changed channel based on a channel change signal input from a user. The method of claim 9,
The broadcast receiver,
And a channel change signal is transmitted from the outside to the broadcast transmission device. The method of claim 13,
The broadcast transmitter,
When a channel change signal transmitted through the broadcast receiving device is received, it is determined whether to receive a broadcast signal corresponding to the corresponding change channel according to a preset condition.
The preset condition includes one of device priority and multiple selection channels. The method of claim 9,
The wireless communication standard includes at least one of a wireless LAN (Wi-Fi), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA) communication standard. Control method.
KR1020110132366A 2011-12-09 2011-12-09 Apparatus and system for receiving broadcasting and method for controlling thereof KR20130065486A (en)

Priority Applications (1)

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KR1020110132366A KR20130065486A (en) 2011-12-09 2011-12-09 Apparatus and system for receiving broadcasting and method for controlling thereof

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Application Number Priority Date Filing Date Title
KR1020110132366A KR20130065486A (en) 2011-12-09 2011-12-09 Apparatus and system for receiving broadcasting and method for controlling thereof

Publications (1)

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KR20130065486A true KR20130065486A (en) 2013-06-19

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