KR100643580B1 - Apparatus for handling emergency broadcasting in television and method therefor - Google Patents

Abstract

A device and a method for processing emergency broadcasting on television are provided to receive emergency broadcasting in a state that an unnecessary set-top box is not connected, by installing a high frequency modem and an emergency broadcasting processing algorithm inside the television, thereby reducing cost. A tuner(246) of a television converts high frequency signals of general broadcasting frequency into audible aural signals and visible video signals. If signals of a specific communication frequency modulating digital communication data into high frequency signals are demodulated into digital communication data to be transmitted to a TV CPU(248), the TV CPU compares whether the digital communication data accords with an address recorded at an EEPROM(Electrically Erasable and Programmable Read Only Memory)(254) embedded in the television. If so, a two-way high frequency modem(242) executes a command of the transmitted digital communication data and modulates data of the result and digital data of a current television state into inversely transmittable specific high frequency to transmit the modulated high frequency to a two-way splitter(240). The TV CPU is installed in the television inside for controlling to display emergency broadcasting when the emergency broadcasting is inputted. The EEPROM has basic address information needed when the TV CPU loads, and includes an address required for emergency broadcasting. If the emergency broadcasting is inputted, a switch unit(256) is controlled by the TV CPU for turning on or off the television, connecting the emergency broadcasting signals with stopping signals broadcasted on the television to send out emergency broadcasting. If the emergency broadcasting is terminated, the switch unit connects the previous broadcasting to send out the previous broadcasting.

Description

Apparatus and method for emergency broadcast in television {APPARATUS FOR HANDLING EMERGENCY BROADCASTING IN TELEVISION AND METHOD THEREFOR}

1 is a block diagram schematically illustrating a system for emergency broadcast processing according to an embodiment of the present invention.

Figure 2 is a block diagram schematically showing an apparatus for emergency broadcast processing in a television according to an embodiment of the present invention.

3 is a block diagram illustrating in more detail the structure of the TV of FIG. 2 in accordance with an embodiment of the present invention.

Figure 4 is a block diagram showing a schematic configuration of an emergency broadcast processing apparatus for a television according to an embodiment of the present invention.

5 is a flow chart for explaining the setting step before the emergency broadcast processing in the television according to an embodiment of the present invention.

6 is a flow chart illustrating a method for emergency broadcast processing in a television according to an embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

10: central controller 12: automatic broadcast transmitter

14: Media player 16-1, 16-2, ..., 16-n: Frequency modulator

18: frequency mixer 19: center bidirectional modem

20: bidirectional amplifier / optical modulator 22: bidirectional amplifier / optical demodulator

24: TV 240: second quarter

242: high frequency demodulator 244: video audio processing unit

246: Tuner 248: TV CPU

250: video audio output unit 252: PIP display unit

254: EEPROM 256: switch

258: remote control receiver 260: power supply

270: existing television module 280: additional module

The present invention relates to an apparatus for processing an emergency broadcast in a television and a method thereof, and more particularly, in a television in which a high frequency modulator is embedded in the television so as to receive an emergency broadcast and to control the emergency set top box. An emergency broadcast processing apparatus and a method thereof.
Generally, emergency television is broadcasted at the place where the emergency (forced) broadcast is transmitted (main PC).
In case of (forced) broadcasting, the emergency (forced) broadcasting channel and volume are determined, and the address of the television to be made for emergency (forced) broadcasting is specified. It automatically switches to the volume and, if the television is off, automatically turns on the television and makes it forced to watch on the emergency broadcast channel and volume.

When disabling a remote television, if you specify the address of the television to be released, the remote television is automatically released from the emergency broadcast and the system is automatically switched to the state before the emergency broadcasting. do.

However, in order to be able to watch emergency broadcasts, an emergency broadcast set-top box is required. Set-top boxes installed for such emergency broadcasting generally have a function of reproducing and outputting an externally applied video / audio signal to a television that reproduces a broadcast signal transmitted over the air with video and audio. Is operated according to an optional setting of a TV mode for receiving an over-the-air broadcast signal and a video mode for reproducing an external video / audio signal.

In addition, in the set-top box installed for emergency broadcasting, the video signal and the audio signal from the tuner tuned to a specific broadcast channel are reproduced through the video / audio processing system and output through the CRT device and the speaker device in TV mode. In the VCR mode, the external video / audio signal input through the switching means is reproduced through the video / audio processing system and output through the CRT device and the speaker device.

However, many parts or components of such a set-top box is a part or component that overlaps with the parts or components of the television, there is a problem that wastes a lot of cost.

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned problems, and an object thereof is to eliminate and eliminate unnecessary set-top boxes and to control and embed a high frequency modulator and corresponding emergency broadcast processing algorithms in the television so that the television can receive emergency broadcasts. It is an object of the present invention to provide an apparatus and method for emergency broadcasting in a television.

The present invention relates to an apparatus and method for emergency broadcasting in a television, wherein a high frequency signal of a general broadcasting frequency received through a wire or wireless is converted into an audible and visible audio and video signal in a television tuner, and digitally communicated in a remote location. When a signal of a specific communication frequency that modulates the data into a high frequency signal is demodulated into digital communication data and transmitted to the TV CPU embedded in the television, the TV CPU matches the address stored in the EEPROM embedded in the television. A bidirectional high frequency demodulator embedded in a television which performs a command of the transmitted digital communication data, modulates the resulting data and the digital data of the current television state into a specific high frequency frequency capable of reverse transmission and transmits the result to a second branch; When the emergency broadcast is input, it consists of a TV CPU embedded in the television that controls the emergency broadcast to be displayed.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the configuration of the present invention.

1 is a block diagram schematically showing a system for processing an emergency broadcast according to an embodiment of the present invention.

Referring to FIG. 1, the central controller 10 is a part operated by an operator, and designates a local time and a corresponding address so as to force broadcast to a desired address. For example, it is possible to designate all set-top boxes to which forced broadcasting is connected and instruct the broadcasting to the auto broadcast transmitter 12 connected to the next stage.

The automatic broadcast transmitter 12 connected to the central controller 10 transmits the media played in the media player 14 connected to the next stage, or the media stored in the central controller 10 to the next stage.

The media player 14 serves as a source for transmitting forced broadcasting. Accordingly, the media player 14 reproduces the general video and audio displayed by the media player 14, or the video and / or audio associated with the forced broadcast. The media of the media player 14 may be a media signal other than TV (Television) signal, CD (Compact Disk), video tape, LD (Laser Disk), DVD (Digital Video Disk), etc. The media player 14 may be a player such as a TV, a CDP, a video player, an LDP, a DVDP, or the like.

The plurality of frequency modulators 16-1, 16-2, ..., 16-n modulate the frequencies of video and / or audio signals reproduced in the above-described TV, CDP, video player, LDP, DVDP, and the like.

The frequency mixer 18 connected to the next stage of the plurality of frequency modulators 16-1, 16-2, ..., 16-n is a frequency modulator 16-1, 16-2, ..., 16-n. ) Modulates the modulated signal into an intermediate frequency (IF) signal.

The central bidirectional modem 19 connects the frequency mixer 18 and the central controller 18 to demodulate or modulate the signals mixed by the frequency mixer 18 and display them on a monitor connected to the central controller 10. On the contrary, the media stored in the central controller 10 passes through the central bidirectional modem 19 and is converted into an intermediate frequency signal together with the signals modulated by the respective frequency modulators 16-1, 16-2, ..., 16-n. Mix.

The central bidirectional modem 19 uses a data line such as RS-232c as is well known.

The bidirectional amplifier / optical modulator 20 amplifies the intermediate frequency signal received by the frequency modulators 16-1, 16-2, ..., 16-n and modulates it into an optical signal.

The modulated signal is transmitted to a bidirectional amplifier / optical demodulator 22 in a set top box connected to a TV receiving an emergency broadcast via a wireless signal such as a satellite or an already installed wired line.

The bidirectional amplifier / optical demodulator 22 receives the optically modulated signal received by the bidirectional amplifier / optical modulator 20 via wired or wireless and demodulates the video signal and / or the audio signal.

2 is a block diagram schematically illustrating an apparatus for processing emergency broadcast in a television according to an embodiment of the present invention.

Referring to FIG. 2, a signal that has undergone the above-described process is received by the television 24. The television 24 includes a configuration described later. A second branch 240, a tuner 246, a high frequency modulator 242, a TV CPU 248, and the like are included.

First, the second branch 240 is connected to the high frequency demodulator 242, so that the emergency broadcast signal received by the above-described bidirectional amplifier / optical demodulator 22 can be connected to another TV and the like so as to branch from another TV. It consists of.

The high frequency demodulator 242, also referred to as a modem, modulates and demodulates the high frequency and controls the central controller 10 and the central bidirectional modem 19, the frequency mixer 18, the bidirectional amplifier / optical modulator 20 and the bidirectional amplifier / optical demodulator. The signal received through (22) is demodulated to convert the digital signal into an audible and visible audio and video signal, and conversely modulates an audible and visible audio and video signal.

The tuner 246 converts video and audio signals received wirelessly or by wire into visible and audible signals on the television 24. That is, the tuner 246 processes audio and video signals and generally processes a general broadcast signal, and in case of a wireless signal, receives and extracts a corresponding frequency.

The TV CPU 248 processes the emergency broadcast according to the present invention according to a predetermined mechanism, that is, the process of FIG. 6 to be described later. In addition, the TV CPU 248 controls the functions provided by the television 24 and the high frequency modulator 242. ) And the commands input from the tuner 246 or the like.

3 is a block diagram illustrating in more detail the structure of the TV of FIG. 2 according to an embodiment of the present invention.

Referring to FIG. 3, first, an image and a voice through a general air wave are input through a tuner 246 through a bidirectional amplifier / optical demodulator 22 to process a signal of a corresponding frequency to output a video sound output unit 250. Each video or audio is displayed or output through.

On the other hand, external video and audio such as video and cable are converted into visible and audible analog signals through the video and audio processing unit 244, and the audio and visual audio and video processed through the audio and video processing unit 244 is an image. It is displayed or output through the voice output unit 250.

On the other hand, the picture-in-picture (PIP) signal of the video signal from the tuner 246 is processed and displayed on the video-audio output unit 250. That is, the PIP display unit 252 and the PIP signal processed by the PIP display unit 252 are converted into R / G / B signals and outputted to the video audio output unit 250. The video audio output unit 250 refers to a video or audio output device such as various display devices and speakers.

The power supply unit 260 supplies power to all the components of the television 24.

The remote controller receiver 258 is a sensor that receives a command received from the remote controller.

Meanwhile, the command received through the remote controller receiving unit 258 is transmitted to the TV CPU 248, and the TV CPU 248 receives the command and executes the command through the video audio output unit 250.

The EEPROM 254 has basic address information necessary for the TV CPU 248 to load, and also contains an address necessary for emergency broadcasting. In addition, in the case of emergency (forced) broadcasting, the setting to selectively watch the emergency (forced) broadcasting according to the initial set value, and during the emergency (forced) broadcast, select the volume value sent from the main PC, or during the initial set emergency (forced) broadcasting It includes the algorithm of Fig. 5 for selecting the fixed volume or loading the stored value at the initial setting such as.

When the emergency broadcast is input, the switch unit 256 turns the television 24 on or off under the control of the TV CPU 254. If the emergency broadcast request is input while the television 24 is powered off, the television 24 is forcibly turned on via the TV CPU 248. However, if the power cord is unplugged, it is impossible to forcibly turn on the television 24. In addition, the switch unit 256 stops the signal broadcast on the television and connects the emergency broadcast signal so that the emergency broadcast is broadcast, and when the emergency broadcast is terminated, the previous broadcast is broadcast so that the previous broadcast can be broadcast. do.

4 is a block diagram illustrating a schematic configuration of an apparatus for processing emergency broadcast in a television according to an embodiment of the present invention.

Referring to FIG. 4, first, the television 24 is composed of an existing television module 270 and an additional module 280. The existing television module 270 includes an audio image processing unit 244, a video audio output unit 250, a tuner 246, a PIP display unit 252, a power supply unit 260, a remote control receiver 258, and the like. Some of the core and processing mechanisms of 248 and some of the EEPROM 254 are included in existing TV modules.

On the other hand, the additional module 280, the processing mechanism of the TV CPU 248 described with reference to Figs. 4 and 5 to be described later, a part of the storage contents of the EEPROM 254 and the switch unit 256 and the high frequency modulator 242 Included.

Substantially, the additional module 280 includes only the switch unit 256 and the high frequency modulator 242 as an apparatus. As shown in FIG. 4, only the additional module 280 is added to the existing television module 270. Can be configured. The additional module 280 is connected to 5V, 12V, and ground (Gnd) with the existing television module 270, and receives power, transmits the emergency broadcast received contents through a communication line, and commands from the existing television module 270. And the like.

In addition, the existing television module 270 and the enable signal line may be connected to the additional module 280 so that the TV CPU 248 may control the switch unit 256 configured in the additional module 280 by the enable signal.

5 is a flow chart for explaining the setting step before the emergency broadcast processing in the television according to an embodiment of the present invention.

Referring to FIG. 5, the TV CPU 248 first displays a version on the screen (step 502).

The user or operator inputs or changes by group address and individual address, and saves the input or changed contents. For example, if the address is binary 8 bits, the first two digits may be a group address and the latter four digits may be individual addresses. Alternatively, in the case of 16 bits, the first 4 bits may be a group address, and the latter 12 bits may be individual addresses. However, it can be input using decimal system.

The user or operator stores the selection input mode of the emergency broadcast, that is, the emergency broadcast, in the EEPROM 254 (step 506). Emergency broadcast selection setting is first, emergency (forced) broadcast command unconditional emergency (forced) broadcast is carried out at this time, except the volume with the buttons or remote control of the television. Second, when an emergency broadcast command is received, the emergency broadcast is executed once, and then the viewer can change the channel and everything with the buttons or the remote control of the television. (The emergency broadcast content is not necessary for the viewer at all. Or when setting up a television installed in a viewer's office, conference room, etc., which is important content but may have already been learned by another method).

In addition, the user or operator designates the optimum volume for emergency broadcasting (step 508).

6 is a flowchart illustrating a method of emergency broadcast processing in a television according to an embodiment of the present invention.

Referring to FIG. 6, first, a general broadcast is displayed on the television 24 (step 602). At this time, it also includes a state waiting for a button or a remote control input provided on the television 24 while being plugged into a commercial power cord.

The TV CPU 248 of the television 24 judges whether an address corresponding to the address stored in the EEPROM 254 has been input and whether a forced broadcast start command has been input accordingly (step 604). Here, since the address and the command are input at the same time, it is determined at the same time point.

If it is determined in step 604 that a forced broadcast start command has been input and determined to match the address of the television 24, the current state of the television 24 is stored (step 606). As is well known, the current state of the television 24 corresponds to volume, channel and other modes.

It is determined whether the state of the current television 24 is on, that is, whether it is on (step 608).

If the television 24 is not in the ON state as determined in step 608, the TV CPU 248 controls the switch unit 256 to forcibly turn on the television 24 (step 610), and proceeds to the next step, step 612. do.

If it is determined in step 610 that the television 24 is on, the corresponding emergency broadcast media received from each TV channel, external input, audio or PC broadcast is played and the broadcast contents are displayed or output (step 612). .

It is determined whether a television button or a remote control button is input while performing emergency broadcasting (step 614).
If it is determined in step 614 that the television button or the remote control button is not input, the process jumps to step 620.
If it is determined in step 614 that the television button or the remote control button is input, it is determined whether the forced broadcasting is always set to operation (step 616).
If it is determined in step 616 that the forced broadcasting is set to always on, the forced broadcasting is ignored until the forced broadcasting release command is issued and the forced broadcasting is continued (step 620).
If it is determined in step 616 that the forced broadcast is not set to always on, the emergency broadcast is recognized to be selectively activated, and the forced broadcast is executed to execute a command according to the corresponding television 24 button or the remote control button input in step 614. After the broadcast is released (step 618), the process returns to step 602 to execute a command corresponding to the corresponding television 24 button or the remote control button input in step 614 (step 602).
When the television button or the remote control button is not input during the forced broadcast as judged in step 614 and when the television button or the remote control button is input but the forced broadcast is set to always operate as judged in step 616, the EEPROM is executed by the TV CPU 248. In step 620, it is determined whether an address corresponding to the address stored at 254 is input and whether a forced broadcast release command is input accordingly. Here, since the address and the command are input in serial at the same time, it is determined at the same point in time.
If it is determined in step 620 that the release command is input and matches the corresponding address, the corresponding forced broadcast is released (step 622), and the next step is step 624.
In step 624, the state of the television 24 stored in step 606 is switched to the state before the emergency broadcast. That is, the volume, channel, mode, and the like are restored and displayed as they are stored in step 606 and the process returns to step 602.

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The present invention eliminates unnecessary set-top boxes and allows high-frequency modulators to be installed on televisions to control emergency broadcasts so that emergency broadcasts can be received without additionally connecting unnecessary set-top boxes, thereby reducing costs. It is effective.

In addition, the present invention has the effect that it can be configured to be additionally configured except for the portion overlapping with the television of the device for receiving an emergency broadcast can be used in the existing television.

Claims (5)

In the emergency broadcast processing apparatus in a television, The high frequency signal of the general broadcasting frequency received through wire or wireless is converted into audible and visible audio and video signals by the tuner 246 of the television, and a signal of a specific communication frequency obtained by modulating digital communication data into a high frequency signal at a remote location. When demodulated to digital communication data and delivered to the TV CPU 248 embedded in the television, the TV CPU 248 matches the address stored in the EEPROM 254 embedded in the television. A bidirectional high frequency demodulator 242 embedded in a television which performs a command of communication data, modulates the resulting data and the digital data of the current television state into a specific high frequency frequency capable of reverse transmission and transmits it to the second branch 240. Wow; A TV CPU 248 built in the television for controlling the emergency broadcast to be displayed when the emergency broadcast is input; An EEPROM 254 internal to the television having basic address information necessary for the TV CPU 248 to load and including an address for emergency broadcasting; When the emergency broadcast is input, under the control of the TV CPU 254, the television 24 is turned on or off, the signal broadcast on the television is interrupted, the emergency broadcast signal is connected to the emergency broadcast, and the emergency broadcast When the termination is completed, the emergency broadcast processing apparatus for a television, comprising a switch unit (256) configured to connect a broadcast so that the previous broadcast can be broadcast. delete The method of claim 1, The television 24 is composed of the existing television module 270 and the additional module 280, the switch unit 256 and the high frequency demodulator 242 to the additional module 280 to configure the existing television module 270 And an emergency broadcast processing apparatus for a television, wherein the emergency broadcast processing apparatus is configured to broadcast emergency broadcasts. In the emergency broadcast processing method on television, The TV CPU 248 of the television 24 includes: a first judging step of judging whether an address matching the address stored in the EEPROM 254 has been input and whether a forced broadcasting start command has been input; A storage step of storing the current state of the television 24 when it is determined in the first judging step that a forced broadcast start command has been input and is determined to match the address of the television 24; A second judging step of judging whether the state of the current TV is on; If the television 24 is not in the on state determined in the second judging step, the TV CPU 248 controls the switch unit 256 to forcibly turn on the television 24 and plays the corresponding emergency broadcast media. Steps; A third determination step of determining, by the TV CPU 248, whether an address matching the address stored in the EEPROM 254 is input and whether a forced broadcast release command is input accordingly; And a releasing step of releasing the forced broadcasting and switching to a state before emergency broadcasting when the releasing command is input and determined in the third determination step and matches the corresponding address. The method of claim 4, wherein A fourth judging step of judging from the outputting step whether a television button or a remote control button is input while the emergency broadcast is being performed; A fifth judging step of judging whether the forced broadcasting is always set to an operation if the television button or the remote control button is input in the fourth judging step; If forced broadcasting is set to always be determined in the fifth judging step, if the forced broadcasting is performed in the fifth judging step, if forced broadcasting is not set to always be determined in the fifth judging step, the fourth judging step And performing a command according to the corresponding television (24) button or the remote control button inputted from the terminal, and releasing the forced broadcasting.

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