KR100200135B1 - Emergency information recording / playback device of tele video - Google Patents

Abstract

The present invention relates to an emergency information recording / reproducing apparatus of a tele video, comprising a TV function and a VCR for recording / reproducing video / audio on a broadcast video / audio signal or a video tape 38 of a channel tuned by a tuner 16. In a tele video having a mixed function, a tuner 16 which performs sequential tuning of a channel that can be viewed in a power-off state, and an image which is tuned by the tuner 16 and subjected to IF conversion processing by the video IF processing unit 18. The code detection unit 40 which detects an emergency information code in the IF signal and the channel selection by the tuner 16 are controlled, and when the code of the emergency information is detected by the code detection unit 40, the emergency A control unit 12 for controlling the recording and reproduction of information, a timer 32 for displaying the recording time of the emergency information under the control of the control unit 12, and a CRT apparatus 26 when the power is turned on under the control of the control unit 12. Recording of the emergency information displayed on the If configured, including an OSD processing unit 34 to generate the data which the emergency information transmitted from the power OFF state after recording of the emergency information to the video tape 38 it is to be reproduced as when the power is ON automatically.

Description

Emergency information recording / playback device of tele video

The present invention relates to an emergency information recording / playback apparatus for televideo, and more particularly, when breaking news as emergency information is detected in a televideo (TVCR) in which a television function and a VCR function are mixed, the breaking information is recorded. The present invention relates to an emergency information recording / reproducing apparatus of a tele video that can be reproduced at power ON.

As is well known, a television that reproduces a broadcast signal transmitted by airwaves or transmitted through a wired cable with video and audio from a broadcasting station has a video tape recorder (VCR) that reads video / audio from the video tape, and thus can be connected. Accordingly, for a television, for example, a TV mode or a VCR mode can be selected from a remote controller or a control panel on the front thereof to reproduce a video / audio of a broadcast signal or a video / audio of a video tape.

Recently, a so-called 'tele video', which is equipped with a VCR mechanism on a television and selectively plays a video / audio from a broadcast signal and a video tape, has also been proposed as a product.

By the way, the broadcasting station subtitles the urgent situation in the form of breaking news during transmission of the broadcast program to be reproduced on the television in the power-on state. The information will be unknown.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and when breaking news information regarding an emergency is detected using a standby power supply while the television is turned off, the subtitle of the breaking news information is recorded and the power of the television is turned on. It is an object of the present invention to provide an emergency information recording / reproducing apparatus of a tele video which automatically displays the caption information and the recording time of the breaking news information on the CRT apparatus, and then plays back.

In order to achieve the above object, according to a preferred embodiment of the present invention, a TV video and a VCR function for recording / reproducing video / audio on a broadcast video / audio signal or video tape of a channel tuned by a tuner are mixed. A tuner for performing sequential tuning of a viewable channel in a power-off state, a code detector for detecting an emergency information code from a video IF signal tuned by the tuner and subjected to IF conversion processing by the video IF processing section, and to the tuner. A control unit for controlling the channel selection of the sequential channels and controlling the recording and reproducing of the emergency information when the code of the emergency information is detected by the code detection unit, and the recording time of the emergency information under the control of the control unit. Timer, OSD control unit for generating the recording data of the emergency information displayed on the CRT device when the power is turned on under the control of the controller It is composed of more than urgent information recording Tele Video / reproducing apparatus is provided.

The emergency information recording / reproducing apparatus of the televideo according to the present invention having the above-described configuration enters the automatic recording mode in the power-off state, and performs the sequential scanning of the viewable channel while detecting the breaking code of the emergency information in the broadcast video signal. Recording is automatically made, and the recorded emergency information is automatically played when the power is turned on.

1 is a schematic block diagram of a tele video equipped with an emergency information recording / reproducing apparatus according to a preferred embodiment of the present invention;

2 is a flowchart illustrating a recording process of emergency information by an emergency information recording / reproducing apparatus of a televideo according to a preferred embodiment of the present invention;

3 is a view illustrating a process of reproducing emergency information by an emergency information recording / reproducing apparatus of a televideo according to a preferred embodiment of the present invention;

4 is a view for explaining a screen display example of emergency information recording data by the emergency information recording / reproducing apparatus for televideo according to the present invention.

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

10: remote control, 12: control unit,

14: power supply, 16: tuner,

20: switching unit, 26: CRT device,

32: timer, 38: videotape,

40: code detection unit.

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

1 is a schematic block diagram of a televideo equipped with an emergency information recording / playback apparatus according to the present invention. In FIG. 10, reference numeral 10 denotes a remote function of a televideo including a power ON / OFF function. A remote controller for setting, 12 denotes a controller in charge of control for performing a function set from the remote controller 12, and 14 denotes a standby power source ST for the controller 12. When the power ON function is performed under the control of the control unit 12 in the state, it represents a power supply unit for generating B + power.

1 to 16 show a tuner for outputting a broadcast signal of a channel by performing tuning of a channel corresponding to channel selection data applied from the control unit 12 when a specific channel is set from the remote controller 10. 18 shows a video / audio IF processing unit for IF converting the broadcast signal applied from the tuner 16 by a predetermined intermediate frequency (IF) signal. 20 denotes a switching unit which is switched under the control of the control unit 12 between the TV mode or the VCR mode set by a known mode setting button provided on the remote controller 10, and 22 and 24 denote the switching unit. Represents an image processing unit and an image output unit for reproducing and processing the video signal transmitted through the 20 to the CRT device 26, and 28 and 30 reproduce and output the audio signal transmitted through the switching unit 20. Voice processing unit and voice output unit.

32 denotes a timer for indicating the recording time when emergency information is recorded under the control of the controller 12, and 34 denotes an on-screen display (OSD) signal for guiding a function set by the remote controller 10. And an OSD processing unit for generating and applying it to the image processing unit 22 so as to be mixed at a predetermined position of an image signal. The OSD processing unit 34 controls an OSD signal for specific emergency information under the control of the control unit 12. Will also occur.

36 is a tape recording / reproducing apparatus comprising a plurality of heads for reproducing the video / audio signal from the videotape 38 under the control of the control unit 12 or for recording a video / audio signal specific to the videotape 38. 40 denotes code data indicating emergency information in the video signal subjected to IF conversion processing by the video / audio IF processing unit 18 (e.g., a BPS (Broadcasting Program Delivery System) code transmitted during the video blanking period of the video signal). Indicates a code detection unit for detecting and applying to the control unit 12.

In FIG. 1, according to the present invention, the standby power source ST applied from the power source unit 14 is the tuner 16 and the video / audio IF processing unit 18 when the power OFF state is set by the remote controller 10. And the code detection unit 40.

In the power-off state, the switching unit 20 is kept switched to the tape recording / reproducing unit 36 side by the control signal SW2 of the control unit 12 while the control unit 12 maintains the tape. The recording mode R 'for the recording / reproducing section 36 is maintained.

Next, the emergency information recording operation by the emergency information recording apparatus of the televideo according to the present invention having the above-described configuration will be described in detail with reference to the flowchart shown in FIG.

First, when the power OFF is set by the remote controller 10, the control unit 12 is switched to the standby state of the remote control signal by the standby power source (ST) applied from the power source unit 14 in step 50, The power OFF flag is set (for example, '0') in the flag register (not shown). In the power-off state, the standby power source ST is applied to the tuner 16, the video / audio IF processing unit 18, and the code detection unit 40. Accordingly, the control unit 12 performs the The tuner 16 sequentially applies the tuning data VT of the viewable channel, and the tuner 16 sequentially tunes a channel corresponding to the tuning data VT applied sequentially. The channel signal sequentially tuned by the tuner 16 is IF converted by the IF signal by the video / audio IF processing unit 18, and the IF converted signal is applied to the code detector 40 as it is applied. The code detection unit 40 applies a code detection result CD of specific emergency information from a broadcasting station to the control unit 12.

The control unit 12 determines whether an emergency information code is detected based on the code detection result from the code detection unit 40 in step 54, and if the emergency information code is detected, the control unit 12 transmits the power to the power supply unit 14 in step 56. The control signal SW1 is applied to activate the power supply unit 14 so that the B + power is applied to the tape recording / reproducing unit 36, and the recording control signal R 'is supplied to the tape recording / reproducing unit 36. The video tape 38 is controlled to be driven by turning on the VCR function by applying.

Therefore, the broadcast signal of the channel tuned in the tuner 16 is IF converted in the video / audio IF 18 and then applied to the tape recording / reproducing section 36 through the switching section 20, the tape The emergency information processed at the recording level by the recording / reproducing section 36 is recorded on the video tape 38.

In this state, the controller 12 reads the present time of the timer 32 in step 58 to check the recording time and channel of the video tape 38, and in step 60, the code detector 40 It is determined whether the recording of the emergency information is completed based on the emergency information code detected by the. As a result of the determination, when the recording of the emergency information is completed, the control unit 12 returns to the initial stage to determine whether to transmit the emergency information after storing the recording information of the emergency information in step 62.

Next, a reproduction processing process for emergency information recorded on the videotape 38 by the process shown in FIG. 2 will be described in detail with reference to the flowchart shown in FIG. 3 and the screen example shown in FIG. .

First, when at least one emergency information is recorded on the video tape 38 by the process described with reference to FIG. 2, when the power ON signal is input from the remote controller 10 (YES in step 70), The control unit 12 applies an R / G / B signal for displaying the recording data of the emergency information to the OSD processing unit 34 in step 72. That is, the control unit 12 outputs the R / G / B signal for the emergency information recording time from the timer 32 identified in step 58 of FIG. 2 as the OSD signal, and accordingly the OSD processing unit ( The OSD signal of the recording time and the channel number generated by 34 are applied to the image processing unit 22, thereby informing the emergency information recording state of the type illustrated in FIG. 4 on the CRT apparatus 26. Screen display is performed.

Subsequently, the control unit 12 switches the switching unit 20 to the VCR mode in step 74 and controls the tape recording / reproducing unit 36 to reproduce the position of the video tape 38 (ie, emergency). Information recording position-normally the initial position of the video tape), and then the playback signal P is applied to the tape recording / producing section 36, and accordingly recorded on the video tape 38 The emergency information is read and reproduced by the image processing unit 22 and the audio processing unit 28 through the switching unit 20, and then the image is reproduced by the CRT device 26 through the image output unit 24 and the audio output is performed. The sound is reproduced by the speaker device through the unit 30.

During the reproduction of the emergency information recorded on the videotape 38, the control unit 12 determines the reproduction completion state in step 76. The determination of the reproduction completion state is, for example, at the rewind time of the videotape 38. This is made possible by the comparison of the playback times. As a result of the determination, when the playback of the video tape 38 is completed, the control unit 12 first switches the switching unit 20 to the TV mode in step 78 and then proceeds to play the broadcast signal (or execute the VCR mode). Will enter.

On the other hand, in the above, when the power ON signal is input from the remote controller 10, the playback of the video tape 38 is performed under the control of the controller 12. However, the present invention is not limited to the example and is illustrated in FIG. In step 72, an OSD signal of emergency information recording data (e.g., channel and recording time) may be displayed on the CRT apparatus 26 and then reproduced by an optional input from the remote controller 10.

In addition, although the state in which the emergency information recording / reproducing of the present invention is applied to the televideo in which the TV function and the VCR function are mixed has been described above, the configuration of the state in which the television and the VCR are connected by coaxial cable may be similarly applied. have.

As described above, according to the emergency information recording / reproducing apparatus of the tele-video according to the present invention, when the emergency information is broadcast on a specific channel by executing the sequential scanning of the channel by the standby power supply in the power-off state, the emergency information is automatically displayed. By reproducing at the time of power-on after recording, not only the viewing of emergency information is possible but also the broadcasting time and channel of the emergency information can be confirmed.

Claims (4)

In the tele video mixed with the TV function and the VCR function for recording / reproducing video / audio on the broadcast video / audio signal of the channel tuned by the tuner 16 or the video tape 38, A tuner 16 for performing sequential tuning of a viewable channel in the power-off state; A code detection unit 40 which is tuned by the tuner 16 and detects an emergency information code from the image IF signal IF-processed by the image IF processing unit 18, A control unit 12 controlling the channel selection by the tuner 16 and controlling the recording and reproduction of the emergency information when a code of the emergency information is detected by the code detector 40; Timer 32 for time recording of the emergency information under the control of the control unit 12, And an OSD processing unit 34 for generating recording data of the emergency information displayed on the CRT apparatus 26 when the power is turned on under the control of the control unit 12. Device. The apparatus as claimed in claim 1, further comprising a power supply unit (12) for applying standby power to the control unit (12) and the tuner (16) in a power off state. The apparatus of claim 1, wherein the recorded data of the emergency information comprises a channel on which emergency information is broadcast and a recording time. The method of claim 1, wherein the control unit 12 includes a control for rewinding the video tape 38 to the initial position of the recording of the emergency information when the power-on signal is input. Playback device.