KR20060127462A - A receiver for terrstrial/satellite dmb signal and the contol method thereof - Google Patents

Abstract

A receiver for receiving terrestrial/satellite DMB signals, and a method for controlling the same are provided to select broadcasting according to the taste of consumers by controlling the transmission of terrestrial/satellite DMB signals to output video and audio signals wanted by users. A receiver(100) receives DVD player signals, satellite signals, DMB(Digital Multimedia Broadcasting) data signals to interface video and audio data signals wanted by a user to a television. A button unit(400) and a remote control(500) apply a control signal to output video and audio selected by the user. A display unit(200) is installed at a front of the receiver to confirm the current broadcasting state. An infrared unit(300) receives signals by the remote control under the display unit.

Description

Receiver for terrestrial / satellite DMB signal and its control method {A receiver for terrstrial / satellite DMB signal and the contol method

1 is a block diagram showing the configuration of a receiver for terrestrial / satellite DMB reception according to the present invention;

2 is a perspective view showing a terrestrial / satellite DM cost receiver according to the present invention;

* Description of the symbols for the main parts of the drawings *

100: receiver 110: microcomputer

120: A / V selector 130: control unit

140: first memory unit 150: second memory unit

160: DM receiver 161: terrestrial DM receiver

162: satellite DM receiver 170: A / V decoder

200: display unit 300: infrared unit

400: button portion 411: ground pad DMB selection button

412: satellite DMB selection button 413: satellite channel selection button

414: DVD selection button 415: VCD selection button

420: power button 500: remote controller

The present invention relates to a receiver for terrestrial / satellite DMB signal reception and a control method thereof, and more particularly, to receive a terrestrial DMB or satellite DMB signal received through an antenna, so that a user can watch through a television, and various external devices. The present invention relates to a receiver for receiving a terrestrial / satellite DMB signal for controlling a video / audio signal of a user so that a user can watch and a control method thereof.

In general, digital multimedia broadcasting (DMB) is a broadcasting service that digitally modulates various multimedia signals such as voice and video to a fixed, portable, or vehicle receiver.

It is based on DAB (Digital Audio Broadcasting), a technology for digital radio, and a multimedia broadcasting concept has been added to it to send additional data such as video, weather, news, and location. On the go, you can enjoy broadcasting with CD quality sound and image quality through personal portable terminal or car terminal.

DMBs are largely divided into satellite DMBs and terrestrial DMMBs. When satellite DMMBs transmit programs from the DMB broadcasting center to satellites, the satellites spread them to DMMBs throughout the country.

In addition, the terrestrial DMB transmits the program using the frequency from the ground, and thus uses the VHF channel 12 which is currently empty and the 8th channel for military use, and unlike the satellite DMB, the broadcast signal is transmitted through the ground base station. .

In order to receive satellite DMB or terrestrial DMB, a separate dedicated terminal or receiver is necessary. In order to receive a satellite or terrestrial DMB signal in a vehicle, a receiver must be installed to receive terrestrial and satellite DMB data signals.

However, since a receiver configured to selectively receive a terrestrial DMB signal or a satellite DMB signal is not widely available, there is a problem in that each receiver must be purchased to receive a satellite or terrestrial DMB signal.

In the case of a receiver for receiving a satellite DMB or terrestrial DMB signal, the receiver receives only a satellite DMB or terrestrial DMB signal due to a limited function. For example, when watching a video and audio of a DVD player and terrestrial DMB broadcast simultaneously, In order to view and listen to video and audio, there is a problem in that the A / V cable must be replaced at that time.

In order to solve the above problems, the present invention enables one receiver to receive satellite DMB and terrestrial DMB, and also converts them by simple operation when the user views and listens to other video and audio as needed. An object of the present invention is to provide a receiver for receiving a terrestrial / satellite DMB signal and a control method thereof.

The present invention for achieving the above object is a receiver for receiving a DVD player signal (video + audio), satellite broadcasting signal, DMB data signal (terrestrial wave + satellite) to interface the video / audio data signal desired by the user to the television Wow; A button unit and a remote controller in front of a receiver for applying a control signal to output a video and audio selected by a user; The receiver includes a display unit installed in front of the receiver to check the current broadcast state; Provided is a receiver for terrestrial / satellite DMB signals, comprising an infrared unit receiving a signal by a remote controller in a downward direction of the display unit.

In addition, the satellite broadcasting signal applied through the set-top box and the video / audio signal applied through the DVD player and various A / V devices can be controlled by the microcomputer to be output to the television through the A / V selector, and the user's channel The microcomputer detects the signal according to the conversion and applies it to the control unit, and the control unit selects an A / V decoder to selectively output one of the satellite DMB or terrestrial DMB signal applied from the DM receiver. Provided is a receiver control method for receiving a terrestrial / satellite DMB signal, which is interfaced to a television through an A / V selector.

Hereinafter, a receiver for receiving a terrestrial / satellite DMB signal and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a receiver for terrestrial wave / satellite DMB according to the present invention, Figure 2 is a perspective view showing a terrestrial wave / satellite DM cost receiver according to the present invention.

As shown in FIG. 1 or 2, the receiver 100 for terrestrial / satellite DMB reception includes a microcomputer 110, an AV selector 120, a controller 130, a first memory unit 140, and a second memory. The unit 150, the DM receiver 160 and the A / V decoder 170.

When the signal selected by the user to watch a broadcast is applied, the microcomputer 110 provides a control signal to selectively output satellite, terrestrial DMB signal or radio, A / V signal by the DVD player, and satellite signal through a television or monitor. Send it out.

The microcomputer 110 receives the broadcast signal selected by the user and the channel signal according to the broadcast, and controls the video and audio corresponding thereto.

The A / V selector 120 receives a signal transmitted from the microcomputer 110, an RF signal (radio broadcast) and an A / V signal (video / audio data signal) applied from a DMB signal, a radio, a DVD player, a set-top box. And receive one of satellite signals (satellite broadcasting video / audio data) and interface with the television.

When the user applies a signal to watch the DMB broadcast in the microcomputer 110, the controller 130 first determines whether it is a signal for watching a satellite DMB broadcast or a terrestrial DMB broadcast, and according to the determined signal, Any one of the satellite DMB signal or the terrestrial DMB signal is received and interfaced to the television via the A / V selector 120.

In addition, the controller 130 performs a function of decoding the video and audio streams to fit the television screen.

The first memory unit 140 stores an initial driving program and a booting program to drive the microcomputer and the controller.

The second memory unit 150 stores an algorithm according to the controller 130 so that the controller 130 can perform stream analysis on the video and audio, and according to the signal application and decoding for switching the broadcast screen according to the signal interfaced to the television. Stores the program required for signal application.

The DM receiver 160 receives one of a terrestrial DMB signal and a satellite DMB signal through the terrestrial DMB receiving antenna or the satellite DMB receiving antenna to interface to the control unit 130.

The DM receiver 160 includes a terrestrial DM receiver 161 and a satellite DM receiver 162 so as to receive a satellite DM signal and a terrestrial DM signal, and can selectively install only one of the terrestrial DM receiver or the satellite DM receiver. have.

The A / V decoder 170 converts the signal applied to the DM receiver 160 to view the signal on the television through the controller 130, and the image data signal and the audio data so that the converted signal can be applied to the television. Decode the signal.

In addition, a display unit is provided on the outside of the receiver 100 so that a user can check which signal is being received and displayed on a television as shown in FIG. 2, and which channel is currently selected and viewed. 200 is installed.

On one side of the display unit 200, a button unit 400 is installed so that a user can select a signal for an image viewed on a television, and the button unit 400 is composed of a plurality of buttons so that the user can select and watch a broadcast. Direction button portion 410 is installed so that.

The direction button unit 410 is provided with a terrestrial TV select button 411, a satellite TV select button 412, a satellite channel select button 413, a DVD player select button 414, and a VDI player select button 415. And, the power button 420 for controlling the power so that the receiver can be operated is installed on the front of the receiver (100).

In addition, the remote controller 500 transmits a signal such that the remote controller 500 selects a broadcast signal (satellite / ground wave digital signal, satellite signal, DVD player signal, VSI signal, LIO signal, etc.) in the downward direction of the display unit 200. An infrared part 300 which receives is provided.

When applied from the remote controller 500 through the infrared unit 300, the specific signal is selected by the microcomputer 110 and the controller 130 according to the applied signal to be displayed on the television.

The operation of the receiver for receiving a video / audio signal and terrestrial / satellite DMB signal according to the present invention configured as described above will be described.

If the user wants to receive a predetermined signal through the button unit 400 formed on the front of the remote controller 500 or the receiver 100 to watch on a television, press the power button 420 of the button unit 400 installed on the front of the receiver. By operating the receiver 100, a normal power is applied.

In this case, when the power source is installed in the vehicle, power is supplied through the battery of the vehicle, or when the home or other 220V commercial power is applied, the adapter is powered down by the adapter to the required voltage.

In the state where the power is supplied to the receiver 100, the user selects whether to receive and watch a DMB data signal, to view and receive a satellite signal, or to watch an image provided by the DVD player.

In this case, the selection is made through the button unit 400 installed in the front of the receiver 100 or the broadcast signal is selected using the remote controller 500.

First, referring to the user watching through the DVD player, the DVD controller is selected by operating the remote controller 500 or the button unit 400.

When the DVD player is selected, the signal is applied to the microcomputer 110, and the microcomputer 110 receives the A / V signal applied through the DVD player and applies a signal to interface with the television to the A / V selector 120. .

By the signal applied from the microcomputer 110, the A / V selector 120 applies an image data signal and an audio data signal (A / V signal) applied from the DVD player to the television for display by the user.

In addition, if the user selects to view satellite broadcasting through the button unit 400 or the remote controller 500, the microcomputer 120 receives a signal currently applied through the satellite antenna from the A / V selector 120 and then inputs the signal. A signal is sent to the television again.

The A / V selector 120 receives a signal applied by the set-top box from the microcomputer 110 and converts the channel so that the signal can be transmitted and displayed on the television so that the user can watch.

In addition, when the user selects through the remote controller 500 or the button unit 400 to be transmitted to the TV by receiving the DMMB data, not the signal applied through the DV-delay or setop box, the microcomputer ( 110).

By the applied signal, the microcomputer 110 receives a DMB data signal transmitted from a terrestrial wave or a satellite through an antenna.

The received signal is applied to the control unit 130, and the control unit 130 decodes the video and audio streams that match the screen size of the television when interfacing to the television via the A / V selector 120 according to the applied signal. Enable display on the television.

When the controller 130 decodes the image and the audio, the program is provided by the first memory unit 140 so that the program can be applied, and the second memory unit 150 stores the video / audio stream to be performed. The control unit 130 provides a storage space required for screen switching or decoding.

When the controller 130 decodes a stream for video and audio and applies the A / V decoder 170, a video data signal and an audio data signal are applied, and the A / V decoder 170 receives the A / V decoder 170. The data signal is interfaced to the television via the selector 120 to display an image suitable for the size.

In other words, with respect to the broadcast selected by the user through the remote controller 500 or the button unit 400, the microcomputer determines whether the channel is changed and whether or not the broadcast is selected, and applies it to the controller 130.

The controller 130 controls the A / V selector 120 to receive the DMB data signal by the signal applied from the microcomputer 110 and to display it on the television.

At this time, the microcomputer 110 simultaneously applies a signal to the A / V selector 120. In this case, a signal for interfacing to a data signal applied through the A / V decoder 170 by the controller 130 is applied. To be interfaced to the television.

In addition, the microcomputer 110 applies a signal to the A / V selector 120 so that the user can watch the broadcast selected by the user, or a data signal for video and audio through a Lion or DVD player or a signal to the controller. The primary control is performed so that the DMB broadcast can be viewed.

When the primary signal is applied from the microcomputer 110, the controller 130 performs secondary control to interface with the data signal for the broadcast so that the user can watch the desired broadcast. In this case, the controller 130 receives the receiver. To understand the overall signal flow of the data signal transmission can be made smoothly.

Hereinafter, the effects of the receiver for receiving video / audio data signals and terrestrial / satellite DMB signals according to the present invention are provided with a plurality of signals through a single receiver, and control the transmission of each signal through a microphone or a controller. Since it outputs the necessary video and audio signals and displays them, it is possible to select and watch a broadcast according to the taste of consumers.

In addition, since the signal is integrated in one device, each signal (DM data signal, satellite signal, DVD player signal, etc.) is controlled by integrating one signal in one receiver so that a device such as a separate video splitter is not required. There is.

Claims (9)

A receiver (100) for receiving a DVD player signal (video + audio), a satellite signal, and a DMB data signal (terrestrial wave + satellite) and interfacing the video / audio data signal desired by the user to a television; The receiver 100 includes a display unit 200 installed in front of the receiver to check the current broadcast state; An infrared unit 300 receiving a signal by the remote controller 500 in the downward direction of the display unit 200; A receiver for terrestrial / satellite DMB signal, comprising a button unit 400 and a remote controller 500 in front of a receiver for applying a control signal to output a video and audio selected by a user. The method of claim 1, The receiver 100 includes a microcomputer 110 for controlling channel selection, broadcast selection, and the selected signal; An A / V selector 120 for interfacing satellite signals, DVD player signals, DM data signals to video / audio signals on a television; Determining whether it is a satellite or terrestrial DMB from the signal applied through the microcomputer 110, controlling the signal accordingly, interfacing the controlled signal to the A / V selector 120, and adapting the video and audio streams to the television screen A control unit 130 for decoding; A first memory unit 140 in which a booting program and an initial driving program required by the controller 130 are stored; A second memory unit 150 for storing a video / audio stream and providing a memory necessary for screen switching and decoding in the microcomputer 110; An A / V decoder 170 for applying the video / audio signal signal applied through the microcomputer 110 to the A / V selector 120; A terrestrial / satellite DMMB signal receiver comprising a DMMB receiver 160 for interfacing a DMMB data signal applied through terrestrial and satellite DMMB antennas to the microcomputer 110. The method of claim 2, The A / V selector 120 is a receiver for terrestrial / satellite DMB signal receiving, characterized in that it is connected to the set-top box, DVD player so as to interface with the satellite signal, video / audio signal. The method of claim 2, The DMB receiver 160 is a terrestrial DMB receiver 161 or a receiver of the satellite DMB receiver 162, wherein one of the terrestrial / satellite DMB signal receiving receiver is installed. The satellite broadcasting signal applied through the set top box and the video / audio signal applied through the DVD player and various A / V devices are controlled by the microcomputer 110 to be output to the television through the A / V selector 120 and the user. Detects a signal according to the channel switching of the microcomputer 110 and applies it to the control unit 130, the control unit 130 by the applied signal is one of the satellite DMB or terrestrial DMMB signal applied from the DMB receiver 160 Method of controlling a receiver for terrestrial / satellite DMB signal, characterized in that to interface to the television via the A / V selector 120 via the A / V decoder (170) to selectively output to the television. The method of claim 5, In the microcomputer 110, the video / audio data signal of the D-deplayer and the set-top box by the A / V selector 120 by a signal applied through the button unit 400 and the infrared unit 300 of the receiver 100. Selectively bypass any one of the satellite signals (video / audio signals) or the DMV data signals (terrestrial wave, satellite DMMB data) applied through the control unit 130 to the A / V decoder 170 and A /. Receiver control method for receiving a terrestrial / satellite DMB signal, characterized in that for applying a control signal to interface through the V selector (120). The method of claim 5, The controller 130 streams the video and audio of the satellite and terrestrial DMB data signals by a control signal applied through the microcomputer 110 and interfaces them through the A / V decoder 170 and the A / V selector 120. And controlling the receiver to receive the terrestrial / satellite DMB signal by streaming the interface DMB data signal to decode the TV signal. The method of claim 5, The control unit (130) controls the receiver for terrestrial / satellite DMB signals, which is initially driven and booted using a program (boot, initial drive program) stored in the first memory unit 140. The method of claim 5, The controller 130 utilizes the storage space for screen switching and decoding in the microcomputer 110 by using the data stored in the second memory unit 150, and analyzes the data analyzed when analyzing the image / video stream. And a receiver for terrestrial / satellite DMB signal receiving.

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