KR19990052307A - How to Display Program Guide Screen of Satellite Broadcasting Receiver - Google Patents

Abstract

The present invention relates to a method for displaying a program guide screen of a satellite broadcast receiver capable of displaying a program guide screen provided by a satellite broadcast receiver based on a reference time set by a user. A first step of setting a reference start time setting reference time; A second step of, when the guide menu request key signal for displaying the program guide screen is input in the viewing mode, extracting pre-stored program information using the set reference time as a program guide start time to configure the program menu screen; And a third step of displaying the configured program menu screen for a predetermined time.

Description

How to Display Program Guide Screen of Satellite Broadcasting Receiver

The present invention relates to a satellite broadcast receiver, and more particularly, to a method for displaying a program guide screen of a satellite broadcast receiver suitable for displaying a program guide screen displayed on a satellite broadcast receiver based on a specific time zone desired by a user. will be.

In recent years, the broadcast method using satellites, which is rapidly expanding in use, is a method of providing a broadcast signal to a wider area by using a satellite (communication satellite) located at an altitude of about tens to hundreds of kilos on the surface of the earth. In this satellite broadcasting system, for example, an old band RF signal having a frequency band of 11.7 GHz to 12.0 GHz is used.

To this end, the antenna for satellite broadcasting reception is provided with a low noise blockdown converter for converting a radio frequency (RF) signal of a very high frequency into an intermediate frequency (IF) signal, which is a high frequency RF signal. Is converted into an IF (intermediate frequency) signal in the hundreds to thousands of MHz bands (for example, 950 MHz to 2050 MHz) that can be received by a satellite broadcasting receiver (receiver).

Therefore, in the satellite broadcasting tuner provided in the satellite broadcasting receiver (receiver), the IF signal received through the low noise converter is inputted to tune the channel selected by the user. The satellite broadcasting receiver maximizes channel utilization, image and sound. Along with the improvement of signal quality and the ease of transmitting additional digital service data, the significant improvement of the user interface is a big advantage.

Meanwhile, in satellite broadcasting, a transmission signal of a digital broadcasting signal received from a satellite through a fixed channel to a satellite broadcasting receiver is restored to a transport stream through a process of converting to an intermediate frequency, demodulating, and correcting an error. The stream includes various information such as broadcast signals (video data and audio data) for each channel, an event information table (EIT), a time data table (TDT), and the like.

Then, the program guide information stored in the memory area is used to tune a specific channel selected in a transport stream received through a satellite channel when a specific channel is selected by the user, and also by the user. When the provision of broadcast program information of the channel (i.e., display) is requested, it is composed of a menu screen and displayed on the monitor.

FIG. 4 is a diagram illustrating an example of a program guide screen provided by a conventional satellite broadcasting receiver, and a user inputs a corresponding key signal to refer to program information for each channel while watching a satellite broadcasting. When the program guide screen for each channel is called, the program guide screen as shown in the drawing is displayed on the screen.

In addition, the user operates the key input unit to scroll the screen left, right, or up and down to search for a desired broadcast program. The displayed program guide screen is based on the current time and after the current time. Information about the broadcast program is displayed.

That is, when the program guide screen is displayed by the user at 9:00, as shown in FIG. 4, broadcast program information for each channel is sequentially displayed on the basis of 9:00.

On the other hand, each user's favorite broadcast program is often a program that is broadcast at a certain time according to each individual, in the conventional satellite broadcast program guide screen every time the user moves to the desired time zone through the key operation There was an inconvenience to search for the program.

Therefore, if each user can set his / her desired time for the program guide screen for each channel of the satellite broadcasting receiver and display the program information for each channel based on the set time, more diverse user desires Will be able to meet.

Accordingly, the present invention has been devised in view of the above-mentioned point, and the program of the satellite broadcasting receiver which can set and display the reference time for the program guide screen for each channel provided by the satellite broadcasting receiver at a time desired by the user. The purpose is to provide a method of displaying a guide screen.

In order to achieve the above object, the present invention receives a satellite broadcast signal provided through a satellite, and pre-stores information about a plurality of broadcast programs for each channel extracted from the broadcast signal, the program of the satellite broadcast receiver for displaying the same A method of displaying a guide screen, the method comprising: a first step of setting a reference time for setting a guide start time of the program guide screen; A second step of, when the guide menu request key signal for displaying the program guide screen is input in the viewing mode, extracting pre-stored program information using the set reference time as a program guide start time to configure the program menu screen; And a third step of displaying the configured program menu screen for a predetermined time period.

1 is a block diagram of a satellite broadcasting receiver suitable for applying a method for displaying a program guide screen of a satellite broadcasting receiver according to an embodiment of the present invention;

2 is a diagram illustrating an example of a method for displaying a program guide screen of a satellite broadcasting receiver according to an embodiment of the present invention;

3 is a flowchart illustrating a process of displaying a program guide screen of a satellite broadcasting receiver according to an embodiment of the present invention;

4 is a diagram illustrating an example of a program guide screen provided by a conventional satellite broadcasting receiver.

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

110: key input unit 120: microcomputer

130 tuner and demodulator 140 memory unit

150: MPEG Decoder 160: Video Encoder

170: OSD unit 180: image synthesizing unit

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings.

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

1 is a block diagram of a satellite broadcast receiver suitable for applying a method for displaying a program guide screen of a satellite broadcast receiver according to an exemplary embodiment of the present invention, and includes a key input unit 110, a microcomputer 120, a tuner, and a demodulator ( 130, a memory unit 140, an MPEG decoder 150, a video encoder 160, an OSD unit 170, and an image synthesizer 180.

Referring to the figure, the key input unit 110 is composed of key metrics on the remote control or its own panel to generate a corresponding key signal by the user's operation and provide it to the microcomputer 120, the microcomputer 120 is a key Based on the key signal from the input unit 110 generates various control signals for performing a corresponding function, for example, including a microprocessor for performing the overall operation control of the satellite broadcasting receiver, the user from the outside When the broadcast channel selection signal is input, a corresponding tuning control signal is generated and provided to the tuner and demodulator 130 which will be described later.

The tuner and demodulator 130 tunes a broadcast channel selected by a user in a broadcast signal received through a broadcast signal receiver (ie, a satellite reception antenna), not shown, based on a tuning control signal provided from the microcomputer 120. The tuned broadcast channel signal is restored to a transport stream through a process of converting to an intermediate frequency, demodulation, and error correction, and the restored transport stream is provided to the MPEG decoder 150 of the next stage.

In addition, the tuner and demodulator 130 demodulates program information for each channel included in the bit stream provided from the satellite when the satellite broadcast receiver is turned on, and then predetermined areas of the memory unit 140 through the microcomputer 120. Will be stored in.

That is, the memory unit 140 receives and stores program information for each channel from the microcomputer 120, and stores various menu screen information (for example, reference time information on the guide screen) in a predetermined area and stores the data again. The output is controlled by the microcomputer 120.

On the other hand, in the MPEG decoder 150, on the basis of the control signal provided from the microcomputer 120, the compressed and encoded audio and video signals of the broadcast channel provided from the tuner and demodulator 130, In consideration of spatiotemporal and spatial correlation, the compressed and encoded video signal is restored to the original signal before encoding by using a decoding technique such as variable length decoding, inverse DCT, inverse quantization, and motion compensation, and the restored digital broadcast video signal The next stage is provided to the video encoder 160, the reconstructed audio signal is provided to an audio signal processor not shown.

In addition, the video encoder 160 converts the selected digital broadcast video signal provided by the MPEG decoder 150 into an NTSC or PAL analog video signal and then provides the image synthesizer 180 to the image synthesizer 180. The OSD unit 170 The program information of each channel provided from the microcomputer 120 is configured as an OSD screen of a predetermined type and displayed on the screen through the image synthesizing unit 180 to be described later.

Accordingly, the image synthesizing unit 180 transfers the analog satellite broadcasting signal output from the video encoder 160 to a display side, not shown, or omits a screen in which various menu screen data displayed through the OSD unit 170 are mixed. To the display side.

Referring to FIG. 1, when a user operates a key input unit 110 to call a program guide screen for each channel in the satellite broadcast receiver configured as described above, the microcomputer 120 responds to the input key signal. After reading the program information and guide screen information (reference time information) for each channel stored in the memory unit 140 and displaying the program guide screen of a predetermined type through the OSD unit 170, the memory unit 140 of the If reference time information is not set in a predetermined area, program information for each channel is displayed based on the current time.

On the other hand, the user can set the reference time for the program guide screen for each channel to the desired time, Figure 3a is a flowchart showing the process of setting the reference time for the program guide screen provided by such a satellite broadcast receiver When described in detail with reference to the same figure, as follows.

When the user inputs the reference time setting key signal by operating the key input unit 110 to set the reference time for the program guide screen during the normal viewing mode of the satellite broadcasting receiver (step 301), the microcomputer 120 ) Reads information on the reference time setting menu screen from various menu screen information stored in a predetermined area of the memory unit 140 and provides the information to the OSD unit 170 so that the reference time setting menu screen as shown in FIG. It is displayed on the screen (step 305).

If the reference time is not input within the preset time period while the guide screen reference time setting menu screen is displayed through the above-described process (step 309), the reference time for the guide screen is changed to the current time mode by the microcomputer 120. After automatically setting (step 311) and the reference time setting menu screen displayed in step 305 described above is automatically turned off (step 315), the overall operation of the satellite broadcasting receiver is returned to the normal viewing mode of the initial step 301 described above. The transition is made (step 317).

As described above, when the user requests the guide screen through the key input unit 110 in the state where the reference time for the guide screen is set to the current time mode, program information for each channel is based on the time point at which the key signal is generated. Will be displayed.

On the other hand, on the contrary, if the user again sets the reference time for the guide screen through the operation of the key input unit 110 while the guide screen reference time setting menu screen is displayed through the above-described step (305) (step 307). The microcomputer 120 stores the reference time information input by the user in a predetermined area of the memory unit 140, thereby storing or updating the reference time information on the guide screen (step 313).

Subsequently, the microcomputer 120 interrupts the operation of the OSD unit 170, thereby turning off the reference time setting menu screen displayed on the screen (step 315) and the operation of the satellite broadcasting receiver in the initial step 301 described above. In operation 317, the user enters the normal viewing mode.

When the key signal for displaying the guide screen is input from the key input unit 110 while the reference time for the program guide screen for each channel provided by the satellite broadcasting receiver is set through the above-described process, the microcomputer 120 receives the microcomputer 120. Program information for each channel is displayed based on a reference time set in a predetermined region of the memory unit 140. FIG. 3B is a diagram illustrating a process of displaying a guide screen of a satellite broadcasting receiver according to an exemplary embodiment of the present invention. A description with reference to the drawings is as follows.

After the reference time for the guide screen is set by the user through the process as shown in FIG. 3A, the operation of the satellite broadcasting receiver receives the broadcast signal of the specific channel selected by the user and displays the signal through a predetermined signal processing process. During the normal viewing mode (step 351), if a key signal for displaying program information for each channel is input through the key input unit 110 (step 353), the microcomputer 120 enters a predetermined area of the memory unit 140. The preset reference time information and program information for each channel are read out (step 355).

If the reference time is not set as a result of the reading in step 355 described above, that is, when the reference time for the guide screen is set to the current time mode, the memory unit 140 stores the memory unit 140 based on the current time. After extracting program information for each channel (step 359), the program guide screen for each channel is displayed through the OSD unit 170 (step 363).

On the contrary, when the reading result in the above-described step 355 and the reference time for the guide screen are set (step 357), the microcomputer 120 for each channel stored in the other predetermined area of the memory unit 140 Only the program information after the preset reference time is extracted from the program information (step 361) and provided to the OSD unit 170, thereby displaying the program information screen after the preset reference time (step 363).

For example, when the reference time for the guide screen set in the predetermined area of the memory unit 140 is set to '20: 00 'by the user, as shown in FIG. 2B, for each channel based on 20:00 The program guide screen is displayed.

On the other hand, while the guide screen according to the program information for each channel is displayed on the basis of the time set by the user through the above-described process, the key signal for turning off the guide screen through the key input unit 110 is input again or When a predetermined time elapses without inputting a key signal for performing another specific command (step 365), the guidance screen displayed on the screen is turned off by the control of the microcomputer 120 (step 367). The overall operation of is switched to the normal viewing mode of the initial step 351 described above (step 369).

As a result, the user displays the program guide screen provided from the satellite broadcasting receiver based on the time set by the user.

As described above, according to the present invention, by setting the reference time for the program guide screen for each channel of the satellite broadcast receiver to the time desired by the user, by displaying the program guide screen for each channel based on the set time, There is an effect that can provide more various services.

Claims (4)

A method of displaying a program guide screen of a satellite broadcast receiver for receiving a satellite broadcast signal provided through a satellite and pre-store information on a plurality of broadcast programs for each channel extracted from the broadcast signal, and displaying the same. A first step of setting a reference time for setting a guide start time of the program guide screen; A second step of, when the guide menu request key signal for displaying the program guide screen is input in the viewing mode, extracting pre-stored program information using the set reference time as a program guide start time to configure the program menu screen; And And a third step of displaying the configured program menu screen for a predetermined time. The satellite broadcast receiver of claim 1, wherein the method automatically sets a current time as the program guide start time when the reference time is not set when the guide menu request key signal is input. How to display the program guide screen. The method of claim 1, wherein the first step, An eleventh step of displaying a reference time setting menu screen for a predetermined time and waiting for input of the reference time information when a setting key signal for setting the reference time is input in the viewing mode; And And when the reference time information is input, storing the input reference time information, turning off the time setting menu screen, and switching the receiver to a viewing mode. How to display. The method of claim 3, wherein in the eleventh step, if the reference time information is not input within the predetermined time period, a current time is automatically set to the reference time. .