KR20000034289A - Method for controlling local channel select mode for multi television - Google Patents

Abstract

PURPOSE: A method for controlling local channel select mode for multi television is provided to utilize the time interval during a local channel select mode by converting the mode to a video mode. CONSTITUTION: A method for controlling local channel select mode for multi television includes first thru forth steps. The multi television has a local channel select mode as well as a video(20) mode. At the first step(S1), the mode is converted to the video mode. At the second mode(S2), the local channel is selected after the mode is converted to the video mode in the first step(S1). At the third step(S3), determine whether the local channel selection is finished after the local channel is selected at the second step(S2). At the forth step(S4), whether the local channel selection is completed or not is displayed(S3).

Description

Local Channel Tuning Mode Control Method for Composite Television

The present invention relates to a method for controlling a local channel tuning mode of a composite television, and more particularly, to a composite television having a local channel tuning mode for tuning a local channel and having a video mode using a VCR. The present invention relates to a method for controlling a local channel tuning mode for a composite television which can efficiently use the time during the local channel tuning in the local channel tuning mode by switching to and reproducing the video mode during the time when the local channel is tuned.

Recently, a VCR (Video Cassette) for receiving a broadcast signal from a broadcasting station or a signal from a television in the upper or lower part of a television and recording it on a video tape or reproducing and transmitting a signal recorded on a predetermined video tape to a television. A composite television having a VCR integrated with a recorder is provided.

1 shows a block diagram of a general composite television having its VCR.

As shown in FIG. 1, a conventional composite television (TVCR) includes an antenna 1, a tuner 2, an IF amplifier 3, a P / S separation unit 4, a voice detector 5, Audio processor 6, audio amplifier 7, speaker 8, video detector 9, video processor 10, CRT driver 11, CRT 12, remote controller 13, receiver 14 ), A controller 15, an OSD generator 16, a mixer 17, a memory 18, and a VCR 20.

The broadcast signal of the airwave is received by the antenna 1, and the broadcast signal received by the tuner 2 controlled by the control unit 15 is tuned. The IF amplification part 3 generally constitutes a chroma IC to a main IC, and amplifies an intermediate frequency (IF) signal output from the tuner 2, and the P / S separation part 4 includes a surface acoustic wave filter for the intermediate. The frequency IF is divided into an image intermediate frequency PIF and an audio intermediate frequency SIF.

The voice detector 5 detects the voice signal from the voice intermediate frequency (SIF), and the voice processor 6 detects the detected voice signal based on the control signal of the controller 15. Voice processing such as volume and the like is performed, and the voice amplifier 7 amplifies the processed voice signal and outputs it to the speaker 8.

The image detector 9 detects the image signal from the image intermediate frequency (PIF), and the image processor 10 processes the color, tint, brightness, etc. according to the control signal of the controller 15. R (Red), G (Green), B (Blue) and luminance (Y) signals corresponding to the video signals are output, and the mixer 17 generates the R, G, B and luminance (Y) signals and OSD. By mixing and outputting the R ', G', B 'and OSD blanking signals (Y') generated from the unit 16, the CRT 12 via the CRT drive unit 11 to be predetermined from the OSD generator 16 The image is displayed with OSD pattern data.

The remote controller 13 is equipped with a local channel tuning mode key for the viewer to adjust the output volume, channel switching, or set the local channel tuning mode, and transmits an infrared signal as a remote control for all other devices. By converting and outputting the electrical code signal from the receiving unit 14 of the television, the overall apparatus is controlled by the control unit 15 in accordance with the electrical code signal.

The VCR 20 records the audio signal from the audio processing unit 6 and the video signal from the image processing unit 10 on the video tape 16 or on the video tape 16 by the control signal of the control unit 15. And a recording / reproducing section 21 for reproducing the audio signal and the video signal outputted to the audio processing section 6 and the video processing section 10, respectively.

2 is a diagram illustrating a general local channel tuning mode.

As shown in FIG. 2, the local channel tuning mode is for tuning a channel according to a region, that is, a regional channel. When a viewer selects a region after setting the local channel tuning mode, the local channel of the selected region is assigned to each broadcasting station. It is stored as the key of the corresponding channel.

In the conventional composite television configured as described above, the local channel tuning mode is selected by the viewer by operating the local channel tuning mode key of the remote controller 13, or after selecting the main menu, the local channel tuning mode of the submenu is selected. After setting the mode, if a desired region (for example, region code) is selected, the controller 15 tunes the channel from the initial channel to the last channel through the tuner 2 and determines whether the tuned channel is a broadcast station channel. .

As a result of the determination, when the tuned channel is a broadcaster channel, the tuned channel is stored in the memory 18 with the key of the corresponding broadcaster channel, and as shown in FIG. 2, the local channel corresponds to the key of the channel corresponding to each broadcaster. After saving, the channel tuning mode is completed.

For example, if the viewer sets the local channel tuning mode and selects Busan (04), the channel is tuned from the initial channel to the last channel, and the regional channel 43 is stored in 6 of the SBS, and the regional channel 50 of the KBS2 is selected. 7, local channel 56 is stored at 9 of KBS1, and local channel 60 is stored at 11 of MBC, so if the viewer does not know 43, which is the local channel where SBS is broadcasted in Busan, and selects 6, the key of the SBS channel, You can watch.

However, in the conventional composite television configured and performed as described above, the local channel selection process is simply displayed on the CRT for the time (in detail, about 3 minutes) to tune the local channel in the local channel tuning mode. There is a problem that time is spent wasting the channel.

Accordingly, the present invention has been made to solve such a problem, and it is a complex to efficiently use the time while tuning the local channel in the local channel tuning mode by switching to the video mode during the local channel tuning mode in the local channel tuning mode. It is an object of the present invention to provide a method for controlling local channel selection mode of a television.

1 is a block diagram showing the configuration of a general composite television;

2 is a view for explaining a general local channel tuning mode;

3 is a block diagram schematically showing the configuration of a composite television for performing the local channel channel selection mode control method of the composite television according to the present invention;

4 is a flowchart illustrating a configuration of a method for controlling a local channel tuning mode of a composite television according to an embodiment of the present invention;

Fig. 5 is a flowchart showing the configuration of a method for controlling local channel tuning mode of a composite television according to another embodiment of the present invention.

<Description of the code | symbol about the principal part of drawing>

2: Tuner 3: IF amplifier

9: Image detector 10: Image processor

11: CRT drive unit 12: CRT

16: OSD generator 17: mixer

18: memory 19: control unit

20: VCR 21: recording / playback section

22: videotape

In order to achieve the above object, a method for controlling a local channel tuning mode of a composite television according to an embodiment of the present invention is provided in a composite television having a local channel tuning mode for tuning a local channel and a video mode using a VCR: Switching to the video mode and playing back when the local channel tuning mode is set (S1); In step S1, switching to the video mode and reproducing the local channel after reproducing; Determining whether the local channel tuning is completed after the local channel is tuned in the step S2; And when the local channel tuning is completed in step S3, displaying the completion of the local channel tuning in step S4.

In addition, in step S3, it is determined whether the local channel tuning is completed, and when the local channel tuning is completed, the method is configured to switch to the television mode afterwards (S14).

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

3 is a schematic block diagram showing the configuration of a composite television for performing the local channel channel selection mode control method of the composite television according to the present invention.

As shown in FIG. 3, a schematic composite television for performing a method for controlling a local channel selection mode of a composite television according to the present invention includes an antenna 1, a tuner 2, an IF amplifier 3, and a P /. S separator 4, image detector 9, image processor 10, CRT driver 11, CRT 12, remote controller 13, receiver 14, OSD generator 16, mixer ( 17), a memory 18, a control unit 19, and a VCR 20.

When the local channel tuning mode is set by the viewer, the control unit 19 switches to the video mode to reproduce the signal recorded on the video tape 22 of the VCR 20, while the tuner 2 controls the channel from the initial channel. While tuning to the last channel, it is determined whether the tuned channel is a broadcaster channel. If the tuned channel is a broadcaster channel, the tuned channel is stored in the memory 18 with the key of the corresponding broadcaster channel. When channel tuning is completed, a control signal for indicating completion of local channel tuning is output.

The tuner 2 tunes the broadcast signal received by the antenna 1 according to the control signal of the controller 19, and the image processor 10 transmits the image signal from the image detector 9 by the control signal of the controller 19. The detected video signal is processed by color, tint, brightness, and the like, and outputs R (Red), G (Green), B (Blue), and luminance (Y) signals corresponding to the video signal.

The OSD generator 16 outputs the R ', G', B 'and OSD blanking signals Y' corresponding to the completion of local channel selection by the control signal of the controller 19, thereby interposing the CRT driver 11. The completion of local channel selection is displayed on the CRT 12 as predetermined OSD pattern data, and the recording / reproducing section 21 of the VCR 20 is recorded on the video tape 16 by the control signal of the control section 19. By reproducing and outputting the signal, the signal recorded on the video tape 22 on the CRT 12 is displayed as an image via the image processing unit 10, the mixer 17, and the CRT driving unit 11.

On the other hand, the control unit 19 switches to the video mode in the local channel tuning mode to reproduce the signal recorded on the video tape 22 of the VCR 20, while tuning the local channel through the tuner 2, It may be configured to determine whether the channel tuning is completed and to switch to the television mode instead of indicating the completion of the local channel tuning when the local channel tuning is completed.

4 is a flowchart illustrating the configuration of a method for controlling local channel selection mode of a composite television according to an embodiment of the present invention.

If the local channel tuning mode is set in Fig. 4, the process switches to the video mode and plays back in step S1, and after switching to the video mode and plays back in step S1, the local channel is tuned in step S2.

That is, when the local channel tuning mode is set by the viewer, the control unit outputs a control signal for reproducing and reproducing the video mode so that the recording / reproducing section of the VCR reproduces the signal recorded on the videotape and recorded on the videotape on the CRT. While the video is displayed, the control unit tunes the channel from the initial channel to the last channel through the tuner, and determines whether the tuned channel is a broadcast station channel, and if the tuned channel is a broadcast station channel, the tuned channel is stored as a key of the corresponding broadcast channel. The local channel will be tuned in.

After the local channel is tuned in step S2, it is determined whether or not local channel tuning is completed in step S3. If the local channel tuning is not completed, step S3 is repeated.

That is, after the local channel is tuned, the controller judges whether the channel tuned through the tuner is the last channel, that is, whether the local channel is completed, and if the local channel is not completed, repeats whether the local channel is completed. .

When the local channel tuning is completed in the step S3, the completion of the local channel tuning is indicated in step S4, and the local channel tuning mode is completed to return to the main menu.

That is, when the local channel tuning is completed, the control unit outputs a control signal for indicating completion of the local channel tuning, so that the OSD generating unit R ', G', B 'and OSD blanking signals corresponding to the completion of the local channel tuning are obtained. ') Is outputted to the CRT to indicate the completion of the local channel selection by the predetermined OSD pattern data, and then the local channel tuning mode is completed by the controller to return to the main menu.

5 is a flowchart illustrating a configuration of a method for controlling local channel selection mode of a composite television according to another embodiment of the present invention.

5 is different from the flowchart shown in FIG. 4 in that the local channel is switched to the television mode when the local channel tuning is turned off.

When the local channel tuning mode is set in Fig. 5, the process switches to the video mode and plays back in step S11, and after switching to the video mode and plays back in step S11, the local channel is tuned in step S12.

That is, when the local channel tuning mode is set by the viewer, the control unit outputs a control signal for reproducing and reproducing the video mode so that the recording / reproducing section of the VCR reproduces the signal recorded on the videotape and recorded on the videotape on the CRT. While the video is displayed, the control unit tunes the channel from the initial channel to the last channel through the tuner, and determines whether the tuned channel is a broadcast station channel. The local channel will be tuned in.

After the local channel is tuned in step S12, it is determined whether or not local channel tuning is completed in step S13. If the local channel tuning is not completed, step S13 is repeated.

That is, after the local channel is tuned, the controller judges whether the channel tuned through the tuner is the last channel, that is, whether the local channel is completed, and if the local channel is not completed, repeats whether the local channel is completed. .

When the local channel tuning is completed in step S13, the mode is switched to the television mode in step S14, and the local channel tuning mode is completed to return to the main menu.

That is, when the local channel tuning is completed, the control unit outputs a control signal for switching to the television mode, so that the image processing unit processes the color signal, color tint, brightness, etc. of the image signal detected by the image detection unit to correspond to the image signal. (Red), G (Green), B (Blue) and luminance (Y) signals are output, and the image is displayed on the CRT. Then, the local channel tuning mode is completed by the control unit and the display returns to the main menu.

According to the configuration and operation of the method for controlling a local channel tuning mode for a composite television according to the embodiment of the present invention described above, in the local channel tuning mode, the local channel is tuned by switching to and playing the video mode during the time for tuning the local channel. There is an effect that it is possible to efficiently use the time while tuning the local channel.

Claims (2)

For composite televisions with local channel tuning mode for local channel tuning and video mode using VCR: Switching to the video mode and playing back when the local channel tuning mode is set (S1); In step S1, switching to the video mode and reproducing the local channel after reproducing; Determining whether the local channel tuning is completed after the local channel is tuned in the step S2; And And (S4) indicating completion of local channel tuning when local channel tuning is completed in step S3. The method according to claim 1, further comprising the step S14 of determining whether the local channel tuning is completed in step S3, and then switching to the television mode after the local channel tuning is completed. Channel Tuning Mode Control Method.