KR19980036827A - Broadcasting system with automatic recording and playback output - Google Patents

Abstract

According to the present invention, when a broadcast order guide broadcast is transmitted, a broadcasting station loads a specific recognition signal and the receiver records and outputs a broadcast order guide screen of a corresponding channel based on the recognition signal and reproduces the output when the user requests it. The present invention relates to a broadcasting system that enables a user to check and view broadcasting information of a corresponding channel. In a broadcast transmitting / receiving system, the broadcast transmitting device transmits a predetermined recognition signal in a specific area of a broadcast signal when transmitting a broadcast sequence guide screen, and the receiver searches for the recognition signal from the received video signal and detects whether the detection signal is detected. To output a detection signal of a predetermined level A broadcast recognition signal detection unit, a flag register for storing and setting predetermined flag data indicating whether the recognition signal is detected, a deck for recording and reproducing the received broadcast signal, and a reproducing and outputting of the recorded broadcast sequence guide screen. And change and set a status flag of the flag register based on a level of a detection signal applied from the guide broadcast recognition signal detection unit, record a broadcast sequence guide screen received through the deck, and play the image by a playback selection unit. When the command is input, it characterized in that it comprises a control unit for controlling to output the recorded guide screen playback.

Description

Broadcasting system with automatic recording and playback output

The present invention relates to a broadcasting system capable of providing a broadcast sequence guide screen. Particularly, when a broadcast sequence guide broadcast is transmitted, the broadcasting station carries a specific recognition signal and transmits the broadcast sequence of the corresponding channel based on the recognition signal. The present invention relates to a broadcasting system in which a screen is recorded and reproduced and outputted when a user requests, thereby allowing a user to check and view broadcast information of a corresponding channel.

Currently, a so-called tele video device (hereinafter referred to as TVCR), which is formed by integrating a television and a VCR, has been developed and used. Such a TVCR can operate both a TV and a VCR through a single remote control device, and also signals from both devices. Since the connection is already internally connected, the user has several advantages, such as the user does not need to connect using a connector.

1 is a block diagram showing the internal structure of a general TVCR. In FIG. 1, reference numeral 1 is an antenna for receiving an over-the-air broadcast signal, 2 is a first tuner for executing channel selection according to TV viewing, and A first audio IF processor for amplifying and detecting an intermediate frequency signal IF of the channel tuned by the first tuner 2 and outputting an audio signal; and 4, an image intermediate frequency signal output from the first tuner 2; And a first image IF processor for amplifying and detecting the output signal.

Further, reference numeral 5 denotes a second tuner which executes a broadcasting station for a recording channel when the recording function is set by the remote controller 8 to be described later, and 6 and 7 are channels tuned by the second tuner 5. And a second audio IF processor and a second video IF processor for amplifying and detecting an intermediate frequency signal of the A-signal and outputting an audio signal and a video signal, respectively.

Next, reference numeral 8 is a remote control device for the user to control the output volume, channel switching and mode switching, or remote control the whole other device, and 9 receives an infrared signal transmitted from the remote control device 8 A receiver for converting and outputting a signal into an ordinary signal; 10 is a controller for controlling the entire apparatus according to a contracted code signal input from the receiver 9; and 11 is the first audio IF processor 3 and the first video IF processor 4; And video and audio signals output from the second audio IF processing section 6 and the second video IF processing section 7 and tape playback output from the recording / playback processing section 20 of the VCR, which will be described later. The signal is selectively switched to be output to the audio processing unit 12 and the image processing unit 15 connected to the rear stage, and the audio of the second audio IF processing unit 6 and the second image IF processing unit 7 is recorded during recording. And a video signal recording / reproducing processor (2) A / V switching part that switches output to 0) side.

Although reference numeral 12 is not shown for the audio signal output from the A / V switching unit 11, bass, treble, volume control according to a predetermined control signal from the microcomputer 10 13 is a voice amplifier which amplifies the voice signal processed by the voice processor 12 and outputs it to the speaker 14 connected to the rear stage.

Although not shown in the drawing, reference numeral 15 denotes brightness, tint, and color tone of an image signal output from the A / V switching unit 11 according to a predetermined control signal from the controller 10. An image processor for processing (Color) adjustment and outputting R (Red), G (Green), B (Blue), and luminance (-Y) signals corresponding to the image signal, and 16 outputting from the image processor 15 A CRT driving section for driving the CRT 17 connected to the rear stage based on the R, G, B and luminance (-Y) signals.

In addition, reference numeral 18 is a deck driving unit for driving the deck 19 to be described later, 19 is the control unit 10 when the VCR mode is selected by a mode selection key (not shown) of the remote control device 8; Is a deck that executes recording, playback, and video tape forwarding / rewinding / pause, etc. according to the command of.), And 20 is a complex suitable for screen output based on video and audio signals reproduced and output by the deck 19. A recording / playback processing section 21 for outputting a video signal and supplying to the deck 19 by performing processing such as YC separation on the broadcast signal output from the A / V switching section 11 for recording, and 21 is a user. The display unit displays the operation status of the entire device.

In other words, the conventional TVCR having the above-described configuration is capable of setting a recording mode for another broadcast channel using the remote controller 8 while watching a certain broadcast channel using the first tuner 2. In this case, the control unit 10 tunes the broadcast channel set for recording through the second tuner 5 and switches the control of the A / V switching unit 11 to broadcast the tuned by the second tuner 5. The signal is applied to the recording / playback processing section 20, and then the deck driving section 18 is controlled to perform a recording operation to record the broadcast program of the channel selected by the viewer.

On the other hand, while watching a program, viewers sometimes turn the channel to check the broadcast program of another channel.If the viewer does not watch the program from the beginning, what is the title of the program that he is currently watching, You may be wondering what time it starts.

In this case, the user usually refers to the broadcast order guide published in a newspaper, etc., which is not only cumbersome but also has a problem in that the desired information cannot be obtained correctly in the case of a broadcast content or a change due to a broadcasting station.

The present invention has been made in view of the above circumstances, and when a broadcast order guide broadcast is transmitted, the broadcasting station loads a specific recognition signal and the receiver records the broadcast order guide screen of the corresponding channel based on the recognition signal. It is an object of the present invention to provide a broadcasting system having an automatic recording and reproducing output function of a broadcast guide screen, which allows a user to check and view broadcast information of a corresponding channel by outputting a reproduction when a request is made.

1 is a block diagram showing the internal structure of a typical TVCR.

Figure 2 is a block diagram showing a schematic configuration of a broadcasting system having a broadcast guide screen automatic recording and playback output function according to an embodiment of the present invention.

******* Explanation of symbols on the main parts of the drawings *******

Ⅰ: Broadcasting station transmission system Ⅱ: Receiver

1: antenna, 2: first tuner,

3: first audio IF processor, 4: first video IF processor,

5: second tuner, 6: second audio IF processing unit,

7: second image IF processor, 8, 28: remote control device,

9, 29: receiving unit, 10, 30: control unit,

11: A / V switching unit, 12: voice processing unit,

13: voice amplifier, 14: speaker,

15: image processing unit, 16: CRT driving unit,

17: CRT, 18: deck drive unit,

19: deck, 20: recording / playback processing unit,

21: display unit, 31: announcement signal detection unit

32: flag register

A broadcast system having an automatic recording and reproducing output function of a broadcast guide screen according to the present invention for realizing the above object is provided with a broadcasting transmitting device for transmitting an over-the-air broadcasting signal and a broadcasting signal transmitted from the broadcasting transmitting device for recording and reproducing output. In the television broadcast transmission and reception system comprising a receiver, the broadcast transmission apparatus loads a predetermined recognition signal in a specific area of the broadcast signal when transmitting the broadcast sequence guide screen, and the receiver searches for the recognition signal from the received video signal. And a broadcast register recognition signal detector for outputting a detection signal of a predetermined level according to whether the detected signal is detected, a flag register for storing and setting predetermined flag data indicating whether the recognition signal is detected, and recording and playback output for the received broadcast signal. Play and output deck, recorded sequence guide screen The state selector and the state flag of the flag register are changed and set based on the level of the detection signal applied from the guide broadcast recognition signal detection unit, and the broadcast sequence guide screen received through the deck is recorded. When the playback command is input by the control unit characterized in that it comprises a control unit for controlling to output the recorded guide screen playback.

That is, according to the present invention having the above-described configuration, the controller changes and sets the state flag of the flag register based on the level of the detection signal applied from the guide broadcast recognition signal detection unit, and guides the broadcast sequence received through the deck. When the screen is recorded and a play command is input by the play selector, the recorded guide screen is controlled to be played back.

Hereinafter, with reference to the accompanying drawings will be described an embodiment according to the present invention.

FIG. 2 is a block diagram showing a schematic configuration of a broadcasting system having an automatic recording and reproducing output function of a broadcast guide screen according to an embodiment of the present invention. The same reference numerals are used, and detailed description thereof will be omitted.

In Fig. 2, reference numeral I denotes a broadcasting station side transmission system for transmitting a broadcast signal. The transmission system I shows a predetermined recognition signal in a specific area of a broadcast signal, such as a vertical scan return section of a video signal when a broadcast sequence guide screen is sent. Will be sent out.

Meanwhile, reference numeral II denotes a receiver side configuration, and reference numeral 31 of the receiver II configuration indicates a predetermined recognition indicating that a guide broadcast is carried from the video signal output from the second video IF processor 7. A guide broadcast recognition signal detector for searching for a signal and outputting a high or low level detection signal in accordance with whether the signal is detected, and 32 is a flag register for storing and setting predetermined flag data indicating whether a recognition signal is detected.

Further, reference numeral 28 is a remote control device that is further provided with a play button for reproducing and outputting the automatically recorded broadcast sequence guide screen, and 29 receives an infrared signal transmitted from the remote control device 28 and transmits the electrical code. The receiver 30 converts and outputs the signal into a signal through the deck 19 while changing and setting the state flag of the flag register 32 based on the level of the detection signal applied from the announcement broadcast recognition signal detector 31. Control unit for controlling the recording and playback of the received broadcast order guide screen.

Next, the operation of the device having the above configuration will be described.

Each station normally executes the broadcast sequence guide of a program to be broadcast through the corresponding channel on the day through the screen adjustment time immediately before the start of the regular broadcast. A recognition signal indicating that a signal is generated is transmitted within a predetermined section of the broadcast signal.

The broadcast signal transmitted from the transmission system (I) is received by the antenna (1) on the receiver (II) side. The second tuner 5 tunes the received broadcast signal to the intermediate frequency from the broadcast signal of the corresponding channel. The (IF) signal is detected.

The intermediate frequency signal detected by the second tuner 5 is output as a composite video signal (CVS) while passing through the second image IF processor 7. ) Searches for a recognition signal indicating that a guide broadcast screen is loaded from the composite video signal output from the second video IF processing unit 7, and when a predetermined recognition signal is detected, for example, a high level detection signal is sent to the control unit 30. Will print.

When the high level detection signal is applied from the announcement broadcast recognition signal detection unit 31, the controller 30 changes the state level of the flag register 32 from '0' to '1' and sets the A / V. Switching control of the switching unit 11 switches the composite image signal CVS output from the second image IF processing unit 7 to the VCR side switch contact point S ₀ , and then the deck 19 via the deck driving unit 18. ), The broadcast order guide screen currently being received is recorded on the front of the tape.

On the other hand, the broadcasting station side transmission system I carries out the same recognition signal at the end of the guide broadcast as well as the transmission of the predetermined recognition signal at the beginning of the announcement broadcast, the control unit 30 is the announcement broadcast When the recognition signal is detected by the recognition signal detecting unit 31, the status flag of the flag register 32 is changed from '1' to '0' and the drive is controlled to drive the deck 19 to perform a recording operation. Stopped.

Thereafter, when the user who is watching the TV screen selects the play button of the remote controller 28, the controller 30 drives the deck 19 to control the rewind, so that the tape is rewound to the first position. In this state, the playback operation is executed to reproduce and output the broadcast sequence guide screen recorded by the above-described process.

As a result, the reproduced video signal is reproduced and output on the CRT screen through the A / V switching unit 11 via the recording / playback processing section 20, thereby providing the user with the broadcast order guide screen of the corresponding channel.

Meanwhile, the above-described guide screen recording operation is automatically updated and recorded by the recognition signal every day even when the TV is turned off, so that the user can use the broadcast guide screen of the corresponding channel every day without any extra effort.

That is, according to the above embodiment, when a broadcast order guide broadcast is transmitted, the broadcasting station loads a specific recognition signal and transmits it, and the receiver automatically records the broadcast order guide screen of the corresponding channel based on the recognition signal, and when the user requests it. Broadcasting guide screen that enables playback output The broadcasting system with automatic recording and playback output function can be realized.

On the other hand, the present invention is not limited to the above embodiments and can be modified in various ways without departing from the technical gist of the present invention.

As described above, according to the present invention, when the broadcast order guide screen is transmitted, the broadcasting station loads and outputs a specific recognition signal, and the receiver records the broadcast order guide screen of the corresponding channel based on the recognition signal, and then the user requests By reproducing and outputting when present, it is possible to provide a convenience for the user to check and view broadcast information of a corresponding channel at any time.

Claims (1)

In a television broadcast transmission / reception system comprising a broadcast transmission device for transmitting an over-the-air broadcast signal and a receiver for receiving, recording, and reproducing and outputting a broadcast signal transmitted from the broadcast transmission device, The broadcast transmitting device loads a predetermined recognition signal in a specific area of the broadcast signal when transmitting the broadcast order guide screen, The receiver retrieves the recognition signal from the received video signal and outputs a guide broadcast recognition signal detection unit for outputting a detection signal of a predetermined level according to whether the detection signal, and a flag register for storing and setting predetermined flag data indicating whether the recognition signal is detected; A deck for executing recording and reproducing output on the received broadcast signal, a reproducing selector for reproducing and outputting the recorded broadcast sequence guide screen, and a level of a detection signal applied from the guide broadcast recognition signal detection unit. And a control unit configured to change and set a status flag, to record a broadcast order guide screen received through the deck, and to play and output the recorded guide screen when a play command is input by the play selector. Room with automatic recording and playback output Song System.