KR20110032024A - Method for processing remote control signal, broadcast transmitting apparatus, broadcast receiving apparatus and display apparatus thereof - Google Patents

Abstract

PURPOSE: A method for processing a remote control signal, a broadcast transmitting apparatus, a broadcast receiving apparatus, and a display apparatus thereof are provided to transfer a remote control signal to and from a reception device to the transmission device wirelessly by receiving the remote control signal for an external device. CONSTITUTION: An IR(Infrared Ray) reception unit receives an IR signal from a remote control unit(500). The IR signal is a remote control signal for controlling the operation of an external device connected to a transmission device. A band pass filter extracts data for controlling the operation of an external device connected to the transmission device. A band pass filter extracts data for controlling the operation of the external device from the IR signal(510). A second RF transmission and reception unit transfers the extracted external device control data of the band pass filter to a transmission device wirelessly(520).

Description

Method for processing a remote control signal, a transmitting apparatus, a receiving apparatus and a display apparatus using the same {Method for processing remote control signal, broadcast transmitting apparatus, broadcast receiving apparatus and display apparatus

The present invention relates to a method and apparatus for transmitting and receiving broadcast signals, and more particularly, to a method for processing a control signal received from a remote control device such as a remote controller in a device for transmitting and receiving broadcast signals using a wireless network. will be.

In general, a display device includes a broadcast receiving unit that receives and processes a broadcast signal from an airwave, a cable, and other external devices (VCR, DVD, etc.) and outputs it, and a display unit displaying an image of the processed broadcast signal on a screen. Can be.

On the other hand, the broadcast receiving unit and the display unit may be configured separately, each of which is a wireless (wireless) method of transmitting and displaying a broadcast signal received using a separate receiving device to the display device using a wireless communication in recent years Display systems are provided.

An object of the present invention is to provide a device for transmitting and receiving a broadcast signal using wireless communication and a remote control signal processing method capable of efficiently controlling external devices connected thereto, a transmitting device, a receiving device, and a display device using the same. .

In the remote control signal processing method according to an embodiment of the present invention, a remote control signal is processed in a receiving device connected to a transmitting device using a wireless network, and a control signal for controlling the operation of an external device connected to the transmitting device. Receiving; Extracting data for controlling the external device from the received control signal; And transmitting the extracted control data to the transmitting device.

According to another embodiment of the present invention, a method for processing a remote control signal may include processing a remote control signal from a transmitting device connected to a receiving device using a wireless network, and operating an external device connected to the transmitting device from the receiving device. Receiving data for control; Generating a control signal for controlling the external device using the received control data; And transmitting the generated control signal to the external device.

According to an embodiment of the present invention, a receiving apparatus includes: an IR receiving unit receiving a control signal for controlling an operation of an external device connected to the transmitting apparatus; A band pass filter for extracting a baseband signal from the received control signal; A signal processor for acquiring data for controlling the external device by using the extracted baseband signal; And an RF transceiver for transmitting the obtained control data to the transmitter.

In accordance with another aspect of the present invention, a transmission apparatus includes: an RF transceiver for receiving data for controlling an operation of the external device from the reception apparatus; An IR generator which synthesizes the baseband signal including the received data into a carrier signal to generate a control signal for controlling the external device; And an IR transmitter for transmitting the generated control signal to the external device.

On the other hand, the display device according to an embodiment of the present invention may be configured to include the receiving device.

According to an embodiment of the present invention, after receiving a remote control signal for an external device connected to a transmitting device, the receiving device wirelessly transmits to the transmitting device to control the external device, thereby allowing a user of the receiving device to remotely control the external device. The control device can control external devices provided in the transmission / reception system, thereby improving user convenience.

Hereinafter, a method of processing a remote control signal, a transmitting device, a receiving device, and a display device using the same according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating an embodiment of a configuration of a transmission / reception system, and a transmission / reception system may include a transmission device 100 and a reception device 200.

Referring to FIG. 1, the transmission apparatus 100 receives a broadcast signal including an image from an air wave, a cable, or an external device, and converts the received broadcast signal into data in a form capable of wireless transmission for wireless transmission. do.

The receiving device 200 receives and processes data wirelessly transmitted from the transmitting device 100, and for this purpose, at least one wireless communication standard for wirelessly transmitting and receiving data between the transmitting device 100 and the receiving device 200 is provided. It may be set in advance.

Meanwhile, the transmitting apparatus 100 may include an HDMI or a high-definition multimedia interface (HDMI) terminal, a universal serial bus (USB) terminal, a component terminal, an external input terminal, an RGB terminal, and an antenna to which an external device is connected. Various input terminals such as a cable terminal may be provided to receive a broadcast signal using the input terminal.

The transmitter 100 may be a set-top box (STB) that receives a broadcast signal through a wired or wireless network, converts the received broadcast signal, and wirelessly transmits the received broadcast signal to the receiver 200.

However, the transmitting device 100 according to the present invention is not limited to the set top box STB, and may include any kind of device capable of receiving a broadcast signal transmitted from the outside and wirelessly transmitting the received signal to the receiving device 200. .

For example, the transmitting device 100 according to the present invention may be provided in a portable terminal such as a computer or a mobile phone.

In addition, the reception device 200 may receive and process data transmitted wirelessly from the transmission device 100 and transmit the data to an external device that outputs a video or audio included in a broadcast signal.

For example, the reception apparatus 200 may convert an image signal wirelessly transmitted from the transmission apparatus 100 into a form that can be displayed on a display apparatus (not shown) and then output the converted image signal. More specifically, when the video signal wirelessly transmitted from the transmitting device 100 is encoded by a coding scheme such as MPEG, the receiving device 200 decodes the received video signal. And output to a display device (not shown).

According to an embodiment of the present invention, the transmitting device 100 and the receiving device 200 may be connected to various wireless communication standards, for example, wireless HD (WiHD), wireless home digital interface (WHDi), or wireless LAN (WiFi). Broadcast signals may be transmitted and received using communication standards.

The WiHD uses a frequency band of about 60 GHz and transmits and receives data at a transmission rate of about 4 Gbps, thereby enabling transmission without compressing HD image data of 1080p (1920 × 1080). However, since the WiHD uses a high frequency of 60 GHz band, the data transmission / reception distance is about 10 m, and the transmission / reception quality may be easily affected by peripheral obstacles in the installation space.

The WHDi may transmit and receive data at a transmission rate of about 1.8 Gbps using a frequency band of about 5 GHz. In addition, since the WHDi uses a relatively low frequency band of 5 GHz, the transmission and reception distance is about 30 m, and the transmission and reception quality may not be significantly affected by the surrounding obstacles of the installation space. On the other hand, according to a transmission rate of about 1.8 Gbps, when the HD video data of 1080p (1920 x 1080) is to be transmitted using the WHDi, the transmitter 100 needs to compress and transmit the HD video data.

In addition, the WiFi may transmit and receive data at a transmission rate of about 54 Mbp using a frequency band of 2.4 GHz. Since the WiFi uses a low frequency band of 2.4 GHz, the transmission and reception distance is about 50 to 200 m, and the transmission and reception quality may be almost unaffected by peripheral obstacles in the installation space. On the other hand, according to a low transmission rate of about 54Mbp, if you want to transmit 1080p (1920 × 1080) HD video data using the WiFi, the transmitting device 100 must compress and transmit the HD video data, accordingly An image quality deterioration may occur in an image signal received by the reception apparatus 200.

Meanwhile, in addition to the wireless communication standard described above, the transmitting device 100 and the receiving device 200 may use various short range wireless communication standards such as Bluetooth, ZigBee, or binary CDMA. It is possible to wirelessly transmit and receive data according to a broadcast signal using communication standards such as).

According to an embodiment of the present invention, the transmitting device 100 and the receiving device 200 may transmit and receive video and audio data using any one of the various wireless communication standards as described above.

Meanwhile, the transmitter 100 and the receiver 200 may transmit and receive video and audio data using two or more of the wireless communication standards as described above. For example, the transmitter 100 and the receiver may be used. According to the performance, the installation environment, and the resolution of the image, any one of the two or more supported standards may be selected and used for data transmission and reception.

2 is a block diagram illustrating a configuration of a transmission and reception system according to a first embodiment of the present invention. The illustrated system includes a transmission device 100, a reception device 200, an external device 300, and a remote control device 400. ) May be included. A description of the same components as those described with reference to FIG. 1 among the components of the transmission and reception system illustrated in FIG. 2 will be omitted below.

Referring to FIG. 2, the transmitter 100 and the receiver 200 may transmit and receive data using a wireless communication standard such as WiHD, WHDi, or WiFi.

The transmitter 100 may be connected to the external device 300 and may receive a video signal and an audio signal from the external device 300. To this end, the transmission device 100 may include input / output terminals such as HDMI, USB, component, and RGB for data transmission and reception with the external device 300.

The external device 300 may include a video player such as a DVD player, a Divx player, or a Blu-ray player, a set top box such as an IPTV set top box, a cable set top box, or a satellite set top box, The device may be a PC, a game console, a home theater, a portable terminal, a hard disk recorder (HDD recorder), or the like.

However, the external device 300 connected to the transmitting device 100 according to the present invention is not limited to the above-described devices, and is connected to the transmitting device 100 to broadcast to the transmitting device 100 such as an image signal. It can be a variety of devices that can output a signal.

The remote control apparatus 400 transmits a remote control signal for controlling the receiving apparatus 200 according to a user input, and the receiving apparatus 200 receives the remote control signal from the remote control apparatus 400 and corresponds thereto. You can perform the operation.

For example, the remote control apparatus 400 may include a plurality of key buttons for a user's key input, and generate and receive a remote control signal corresponding to a user input of any one of the plurality of key buttons. May transmit to the device 200.

More specifically, the remote control device 400 generates and transmits an infrared signal corresponding to the user key input, and the receiving device 200 may receive the infrared signal and perform an operation corresponding thereto. For this purpose, the remote control apparatus 400 and the receiver 200 may each include an IR transmitter (not shown) and an IR receiver (not shown) for transmitting and receiving infrared signals, respectively.

However, the present invention is not limited to the transmission and reception of the remote control signal using the infrared communication method as described above, and remote control using a variety of other wireless communication methods, for example, a communication method using an RF signal or an optical signal. The remote control signal may be transmitted and received between the device 400 and the receiving device 200.

According to the exemplary embodiment of the present invention, the remote control apparatus 400 may transmit a remote control signal, for example, an infrared signal, to the receiving apparatus 200 for controlling the external device 300.

That is, the remote control apparatus 400 may receive a key input corresponding to a specific operation of the external device 300 from the user, and generate and transmit an infrared signal corresponding to the key input.

In this case, the receiving device 200 receives an infrared signal for the external device 300 from the remote control device 400 and transmits data for controlling the external device 300 included in the received infrared signal. Wireless transmission to the 100 can be.

More specifically, the receiving device 200 is connected to the external device 300 using a wireless network connected to the transmitting device 100, for example, a wireless communication method such as WiHD, WHDi or WiFi for transmitting and receiving broadcast signals. The control data may be wirelessly transmitted to the transmitting device 100.

The transmitting device 100 may wirelessly receive the control data from the receiving device 200 and transmit the received control data to the external device 300. Accordingly, the external device 300 may control the remote control device 400. An operation corresponding to a user's key input may be performed.

In general, in order to control the external device 300, the transmitter 100, and the receiver 200 as illustrated in FIG. 2, a plurality of remote control devices corresponding to the devices, that is, a remote controller ( remote controllers must be used.

Also, in order to control any one of the devices, the user has a remote control device corresponding to the device, moves to a position adjacent to the device, and then inputs a key input corresponding to a desired operation to the remote control device. Should be done.

Accordingly, when the external device 300 is installed at a location far from the reception device 200, a user who has watched a broadcast at a location adjacent to the reception device 200 may control the external device 300 to control the external device 300. It may be inconvenient to move to the location where the device is installed.

According to the embodiment of the present invention as described above, the receiving device 200 receives a remote control signal for controlling the external device 300 connected to the transmitting device 100 from the remote control device 400, the receiving By transmitting the control data according to the remote control signal to the transmitting device 100 by using a wireless communication method connected to the transmitting device 100 to perform the operation corresponding to the remote control signal, the user can receive the receiving device ( An operation of the external device 300 may be controlled by using the remote control device 400 at a position adjacent to the 200.

3 is a block diagram illustrating a configuration of a transmitter according to an exemplary embodiment of the present invention. The transmitter 100 shown in FIG. 3 includes an interface unit 110, a first signal processor 120, and a first RF transceiver 130. ), An IR generator 140, and an IR transmitter 150. A description of the same configuration as that described with reference to FIGS. 1 and 2 among the configuration of the transmitter 100 shown in FIG. 3 will be omitted below.

Referring to FIG. 3, the interface unit 110 transmits and receives a signal to and from the external device 300, and may include input terminals such as HDMI, USB, component, and RGB for connection with the external device 300. .

The first signal processor 120 may convert a signal received from the external device 300, for example, an image signal and an audio signal, into data of a form capable of wireless transmission according to a preset wireless communication standard and output the converted signal.

For example, when a signal received from the external device 300 is encoded according to a coding scheme such as MPEG, the first signal processor 120 may include an image received from the external device 300. It may include an A / V processing unit (not shown) for decoding the voice signal.

The first RF transceiver 130 wirelessly transmits a signal output from the first signal processor 120 to the receiver 200. For that purpose, the first RF transceiver 130 may include an antenna (not shown) and a converter (not shown), for example, an up converter and a down converter.

Meanwhile, according to an exemplary embodiment of the present invention, the first RF transceiver 130 may transmit control data for controlling the operation of the external device 300 from the receiver 200 to the wireless communication scheme, for example, WiHD, WHDi. Or you can receive using WiFi.

The IR generator 140 may generate a remote control signal, that is, an infrared signal, for controlling the operation of the external device 300 according to the control data received from the receiving device 200.

In addition, the IR transmitter 150 transmits the infrared signal generated by the IR generator 140 to the external device 300, and the external device 300 transmits from the IR transmitter 150 of the transmitter 100. The corresponding operation may be performed according to the infrared signal.

Accordingly, the external device 300 may be controlled by using an infrared signal that is wirelessly transmitted from the remote receiving device 200 and received through the transmitting device 100.

4 is a block diagram illustrating a configuration of a receiving apparatus according to an exemplary embodiment of the present invention. The receiving apparatus 200 illustrated includes a second RF transceiver 210, a second signal processor 220, and a band pass filter ( 230 and an IR receiver 240.

Referring to FIG. 4, the second RF transceiver 210 may wirelessly receive a broadcast signal, for example, a video signal and an audio signal, from the transmitter 100, and for this purpose, an antenna (not shown) and a converter ( converter (not shown), more specifically, an up converter and a down converter.

The second signal processor 220 may convert a signal received from the second RF transceiver 210 into a form that can be output from a display device (not shown). For example, when a signal received from the transmitting device 100 is encoded according to a coding scheme such as MPEG, the second signal processor 220 decodes the received video and audio signals. It may include an A / V processing unit (not shown).

According to the exemplary embodiment of the present invention, the IR receiver 240 receives an infrared signal from the remote control device 400 for controlling the operation of the external device 300 connected to the transmitter 100, and the band pass filter 230. ) May filter and extract data for controlling the external device 300 from the received infrared signal.

Meanwhile, the extracted control data may be converted into a format that can be wirelessly transmitted through the second signal processor 220 and then transmitted to the transmitter 100 through the second RF transceiver 210.

For example, the control data for the external device 300 may be transmitted to the transmitting device 100 using a wireless communication method such as WiHD, WHDi, or WiFi.

Hereinafter, a remote control signal processing method according to an exemplary embodiment of the present invention will be described in more detail with reference to FIGS. 5 to 9.

Meanwhile, hereinafter, the control signal is transmitted and received between the remote control device 400 and the reception device 200 or between the transmission device 100 and the external device 300 using an infrared communication method according to an embodiment of the present invention. This will be described as an example. However, the present invention is not limited to the transmission and reception of control signals using an infrared communication method, and remote control signals can be transmitted and received using various other wireless communication methods, for example, a communication method using an RF signal or an optical signal. Can be.

FIG. 5 is a flowchart illustrating a method of processing a remote control signal according to a first embodiment of the present invention. The method illustrated in FIG. 5 will be described in conjunction with the receiving device 200 shown in FIG.

Referring to FIG. 5, the IR receiver 240 receives an infrared signal transmitted from the remote control device 400 (operation 500), and the received infrared signal of the external device 300 connected to the transmission device 100. Remote control signal for controlling the operation.

For example, the remote control device 400 receives a key input for controlling an operation of the external device 300 connected to the transmission device 100 from the user, generates and transmits an infrared signal corresponding to the key input, and receives the received key input. The IR receiver 240 of the device 200 may receive an infrared signal transmitted from the remote control device 400.

The band pass filter 230 extracts data for controlling the operation of the external device 300 from the received infrared signal (operation 510).

For example, the infrared signal received from the remote control device 400 may include a leader code, a custom code, and a data code as data for controlling the external device 300. More specifically, as shown in FIG. 7, the reader code, the custom code, the custom code check byte, the data code and the data code check byte may be included.

In addition, each of the codes may have data of 2 bytes, that is, 8 bits, and the infrared signal may include an ending signal bit 10.

Meanwhile, the control data as described above may be transmitted to the receiving device 200 from the remote control device 400 in a carrier signal having a preset frequency and duty ratio.

That is, the remote control device 400 generates a baseband signal from control data corresponding to the operation of the external device 300 input by the user, and synthesizes the baseband signal to a carrier signal having a preset frequency and duty ratio. To generate an infrared signal and transmit the infrared signal to the receiving device 200.

Meanwhile, the carrier signal may have a frequency in the range of 30 kHz to 60 kHz and have a duty ratio of 1/2 to 1/3.

According to an embodiment of the present invention, the infrared signal may be transmitted by combining a baseband signal including control data of the external device 300 with a carrier signal having a frequency of 37 kHz and a duty ratio of 1/3.

For example, in the control data included in the baseband signal, the reader code is 9ms high and 4.5ms low, and bit '1' is 0.56ms high and 1.69ms low. And bit '0' may be made high of 0.56 ms and low of 0.565 ms.

Meanwhile, the reader code, the custom code, and the data code may configure one frame, and the frame may be repeated at a period of 108 ms.

In operation 510, the band pass filter 230 may filter the infrared signal received from the remote control device 400 to extract the base band signal including the control data for the external device 300. The band signal may be an envelope of the received infrared signal.

For example, the band pass filter 230 may be a 38 kHz band pass filter, thereby removing the carrier frequency from the infrared signal input from the IR receiver 240, and thus the base code signal, the lead code, the custom code, and the data code. The control data for controlling the external device 300 can be extracted by detecting only the waveform of the.

The second RF transceiver 210 wirelessly transmits control data of the external device 300 extracted by the band pass filter 230 to the transmitter 100 (operation 520).

For example, the second signal processor 220 may control the control data included in the baseband signal output from the band pass filter 230, that is, a read code, a custom code, and a data code, in a preset wireless communication standard, for example, WiHD. After converting the data into a form capable of wireless transmission according to WHDi or WiFi, the second RF transceiver 210 may output the data to the second RF transceiver 210.

The second RF transceiver 210 may wirelessly transmit control data of the external device 300 output from the second signal processor 220 to the transmitter 100.

As described above, the reception apparatus 200 extracts a baseband signal from the infrared signals received from the remote control apparatus 400, and transmits only the control data of the external device 400 included in the baseband signal. By wirelessly transmitting to the network, the amount of data transmitted and received wirelessly between the transmitting apparatus 100 and the receiving apparatus 200 can be reduced.

FIG. 6 is a flowchart illustrating a remote control signal processing method according to a second embodiment of the present invention, and as illustrated with reference to FIG. 5, control data of an external device 300 wirelessly transmitted from the receiving device 200. An example of a method of processing by the transmitting device 100 is shown.

Referring to FIG. 6, the first RF transceiver 130 of the transmitting device 100 receives control data for the external device 300 that is wirelessly transmitted from the receiving device 200 (step 600). For example, the control data received by the first RF transceiver 130 is received from the remote control device 400 to the receiving device 200 to control the external device 300 connected to the transmitting device 100. The infrared signal may be data included in the baseband signal.

In addition, the control data of the external device 300 received from the receiving device 200 in step 600 may include a read code, a custom code and a data code.

The IR generator 140 generates an infrared signal that is a remote control signal for controlling the operation of the external device 300 using the control data received from the first RF transceiver 130 (step 610).

For example, the IR generator 140 generates a baseband signal including the received control data of the external device 300, and converts the generated baseband signal to a carrier signal having a preset frequency and duty ratio. Synthesis may generate the infrared signal.

More specifically, the IR generator 140 generates a baseband signal to include a read code, a custom code, and a data code of control data received from the first RF transceiver 130, and generates the baseband signal. May be combined with a carrier signal having a frequency of 37 kHz and a duty ratio of 1/3.

The IR transmitter 150 transmits the infrared signal generated in step 610 to the external device 300 to control the operation of the external device 300 (step 620).

Accordingly, the external device 300 may perform an operation corresponding to the infrared signal received from the IR transmitter 150 of the transmitter 100.

FIG. 8 is a block diagram illustrating a configuration of a transmission / reception system according to a second embodiment of the present invention, and the description of the same configuration as that described with reference to FIGS. 1 to 7 in the configuration of the transmission / reception system illustrated in FIG. 8 will be omitted below. Let's do it.

Referring to FIG. 8, a plurality of external devices 300, 310, and 320 may be connected to the transmitting device 100, and the plurality of external devices 300, 310, and 320 may be connected to the transmitting device 100. The transmission device 100 may be a device for providing a broadcast signal, for example, a video signal and an audio signal.

Meanwhile, the external devices 300, 310, and 320 may be video playback devices such as DivX players or Blu-ray players, set-top boxes such as IPTV set-top boxes, cable set-top boxes, or satellite set-top boxes, PCs, game machines, home theaters, and portable terminals. Or a hard disk recorder.

In this case, the user may perform a key input for controlling the operation of any one of the plurality of external devices 300, 310, and 320 using the remote control device 400, and the remote control device 400 may perform the above-mentioned operation. An infrared signal corresponding to a user's key input may be generated and transmitted to the receiving device 200.

As described above, the receiving device 200 extracts control data for controlling the corresponding external device from the infrared signal received from the remote control device 400, and controls the control data of the external device such as WiHD, WHDi or WiFi. The transmission may be transmitted to the transmission apparatus 100 using a wireless communication method.

On the other hand, when the received remote control signal is a signal for controlling the operation of any one of the transmitting apparatus 100 or a plurality of external devices (300, 310, 320), a wireless communication scheme such as WiHD, WHDi or WiFi The wireless control unit may wirelessly transmit the received remote control signal to the transmission device 100 together with the device identification information.

The transmitting device 100 generates an infrared signal for controlling the corresponding external device using the control data received from the receiving device 200, and, for example, the control data in a carrier signal having a preset frequency and duty ratio. The infrared signal may be generated by synthesizing a baseband signal including a.

Meanwhile, the transmitter 100 may transmit the generated infrared signal to the corresponding external device.

The transmitting device 100 may analyze the received control data and determine whether the control data is for controlling which of the external devices 300, 310, and 320.

For example, when the received control data is data for controlling the first external device 300, the transmitting device 100 generates an infrared signal using the received control data to generate the first external device 300. Can be sent out.

Meanwhile, although one remote control device 400 is illustrated in FIG. 8, according to another embodiment of the present invention, a plurality of remote control devices corresponding to each of the plurality of external devices 300, 310, and 320 may be provided. It may be.

Therefore, the infrared signal transmitted from the specific remote control device may be transmitted to the external device corresponding to the remote control device among the plurality of external devices 300, 310, and 320 through the reception device 200 and the transmission device 100. have.

9 is a block diagram illustrating a configuration of a transmission and reception system according to a third embodiment of the present invention, and descriptions of the same elements as those described with reference to FIGS. 1 to 8 of the transmission and reception system illustrated in FIG. 9 will be omitted below. do.

Referring to FIG. 9, the display apparatus 700 according to the exemplary embodiment of the present invention may be configured to include the receiving apparatus 200 and the display module 710 having the above-described configuration.

That is, the transmitting apparatus 100 receives a broadcast signal from the external device 300 and wirelessly transmits the broadcast signal to the receiving apparatus 200, and the receiving apparatus 200 provided in the display apparatus 700 displays the wirelessly transmitted data. The image signal may be processed into a possible form and may be output to the display module 710.

The display module 710 may display an image using an image signal input from the receiving device 200, and for this, a liquid crystal display (LCD), a plasma display panel (PDP), an electro luminescent display (ELD), and a VFD It may include a display panel (not shown) of various display methods such as a (Vacuum Fluorescent Display).

According to an exemplary embodiment of the present invention, the IR receiver 720 provided in the display apparatus 700 may receive an infrared signal for controlling the external device 300 transmitted from the remote control apparatus 400.

As described above, the reception apparatus 200 provided in the display apparatus 700 extracts control data for the external device 300 from the infrared signals received from the remote control apparatus 400 and transmits the control data to the transmission apparatus 100. Wireless transmission

In addition, the above-described method for processing a remote control signal according to the present invention may be stored in a computer-readable recording medium that is produced as a program for execution in a computer, and examples of the computer-readable recording medium include ROM and RAM. CD-ROMs, magnetic tapes, floppy disks, optical data storage devices, and the like, and those implemented in the form of carrier waves (eg, transmission over the Internet).

The computer readable recording medium can be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. In addition, functional programs, codes, and code segments for implementing the broadcast reception method may be easily inferred by programmers in the art to which the present invention belongs.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

1 is a block diagram briefly illustrating a configuration of a transmission and reception system.

2 is a block diagram showing a configuration of a transmission and reception system according to a first embodiment of the present invention.

3 is a block diagram showing a configuration of a transmitting apparatus according to an embodiment of the present invention.

4 is a block diagram showing the configuration of a receiving apparatus according to an embodiment of the present invention.

5 is a flowchart illustrating a remote control signal processing method according to a first embodiment of the present invention.

6 is a flowchart illustrating a remote control signal processing method according to a second embodiment of the present invention.

7 is a diagram illustrating an embodiment of a code format of an infrared signal.

8 is a block diagram showing the configuration of a transmission and reception system according to a second embodiment of the present invention.

9 is a block diagram showing the configuration of a transmission and reception system according to a third embodiment of the present invention.

Claims (17)

A method of processing a remote control signal at a receiving device in communication with a transmitting device using a wireless network, the method comprising: Receiving a control signal for controlling an operation of an external device connected to the transmitting device; Extracting data for controlling the external device from the received control signal; And And transmitting the extracted control data to the transmitting device. The method of claim 1, And the control signal is any one of an infrared signal, an RF signal, and an optical signal. The method of claim 1, And a data for controlling the external device is included in a baseband signal among the control signals and received. The method of claim 1, wherein the received control signal is A carrier signal having a predetermined frequency and duty ratio; And A method of processing a remote control signal comprising a baseband signal having a read code, a custom code and a data code. The method of claim 4, wherein the extracting step And processing the baseband signal from the received control signal. The method of claim 5, wherein the extracting step Acquiring data for controlling the external device using the extracted baseband signal. The method of claim 1, wherein the transmitting step The remote control signal processing method for transmitting the control data using at least one of WiHD, WHDi and WiFi. A method for processing a remote control signal in a transmitting device that communicates with a receiving device using a wireless network, the method comprising: Receiving data for controlling an operation of an external device connected to the transmitting device from the receiving device; Generating a control signal for controlling the external device using the received control data; And And transmitting the generated control signal to the external device. The method of claim 8, And the control signal is any one of an infrared signal, an RF signal, and an optical signal. The method of claim 8, wherein the received data is And a read code, a custom code, and a data code for controlling the external device. The method of claim 8, wherein the generating step And a baseband signal comprising the received data to a carrier signal having a predetermined frequency and duty ratio to generate the control signal. The method of claim 8, wherein the receiving step The remote control signal processing method for receiving the control data using at least one of WiHD, WHDi and WiFi. A receiving apparatus for receiving a signal from a transmitting apparatus using a wireless network, An IR receiver for receiving a control signal for controlling an operation of an external device connected to the transmitter; A band pass filter for extracting a baseband signal from the received control signal; A signal processor for acquiring data for controlling the external device by using the extracted baseband signal; And And an RF transceiver for transmitting the obtained control data to the transmitter. The method of claim 13, The control signal is any one of an infrared signal, an RF signal and an optical signal. The method of claim 13, wherein the baseband signal is Receiving device including a lead code, a custom code and a data code for controlling the external device. The display apparatus provided with the receiving apparatus as described in any one of Claims 13-15. A transmitting device connected to an external device and transmitting a signal to a receiving device using a wireless network, An RF transceiver for receiving data for controlling the operation of the external device from the receiver; An IR generator which synthesizes the baseband signal including the received data into a carrier signal to generate an infrared signal for controlling the external device; And And an IR transmitter for transmitting the generated infrared signal to the external device.

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