KR19990052305A - 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 time range of a program guide screen for each channel provided by a satellite broadcast receiver in a desired time range. A first step of displaying a program guide screen by reading the stored program information and guide screen format information for each channel when a key signal for displaying information on the program for each channel is input; A second step of displaying a time range setting menu screen including a plurality of time ranges when a key signal for changing a time range of the displayed program guide screen is input; A third step of storing the set time range information to update the guide screen format information and turning off the time range setting menu screen when one time range of the plurality of displayed time ranges is set; And changing and displaying a time range of the program guide screen based on the updated guide screen format.

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 of displaying a program guide screen of a satellite broadcast receiver for displaying a program guide screen displayed on a satellite broadcast receiver in a specific time unit.

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.

Meanwhile, the program guide screen provided by the conventional satellite broadcasting receiver displays program information for each channel within a predetermined time range, and the user scrolls the screen left and right by operating a key input unit. The program information of the desired time zone is displayed.

That is, as shown in the drawing, when the user wants to search for program information of the next time zone while displaying program information for each channel from 9:00 to 11:00, the screen is scrolled to the right by key operation. In the conventional satellite broadcasting receiver, a range of program information displayed on one screen is configured in a range of 2 hours (9: 00-11: 00) or 4 hours as shown in the drawing. Will be displayed.

Of course, the time range of the program guide screen is different for each satellite broadcasting receiver manufacturer. If such satellite broadcast receiver sets the time range for the program guide screen for each channel to the user's desired time range for display, If you do, you will be able to meet the needs of a wider variety of users.

Accordingly, the present invention has been devised in view of the above-mentioned point, and the satellite broadcast which can set and display the time range for the program guide screen for each channel provided by the satellite broadcast receiver in a time range as desired by the user. It is an object of the present invention to provide a method for displaying a program guide screen of a receiver.

In order to achieve the above object, the present invention provides a method for displaying a program guide screen of a satellite broadcast receiver for receiving a satellite broadcast signal provided through a satellite, pre-store broadcast program information for each channel extracted from the broadcast signal, and displaying the same. The method may further include: when a key signal for displaying information about a program for each channel is input, reading a program information and guide screen format information for each channel and displaying a program guide screen; A second step of displaying a time range setting menu screen including a plurality of time ranges when a key signal for changing a time range of the displayed program guide screen is input; A third step of storing the set time range information to update the guide screen format information and turning off the time range setting menu screen when one time range of the plurality of displayed time ranges is set; A method of displaying a program guide screen of a satellite broadcasting receiver includes a fourth step of changing and displaying a time range of the program guide screen based on the updated guide screen format.

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 to provide 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, a time range setting menu) in a predetermined area and then stores the microcomputer 120 again. ) Is controlled by the control.

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 the drawings, when the user operates the key input unit 110 to call the program guide screen for each channel in the satellite broadcast receiver configured as described above, the microcomputer 120 responds to the input key signal. The program information for each channel stored in the memory unit 140 is read.

Then, the format information of the preset guide screen is read to display the read program information for each channel as a guide screen of a predetermined type. The guide screen format information is displayed on a time range information set by a past user, that is, on one screen. It contains information about how many hours of program information to display.

Therefore, the microcomputer 120 reads the program information and the guide screen format information for each channel stored in the predetermined region of the memory unit 140 and provides it to the OSD unit 170. The OSD unit 170 inputs the input program information. The program guide screen of the type shown in FIG. 4 is displayed based on the guide screen format information.

The program guide screen displayed on the same drawing is illustrated using program information of 2 hours as an example, which may be a time range set by a user, or a preset guide screen format without a user setting a time range. .

That is, when a program guide screen for each channel of the satellite broadcast receiver is displayed by a user's request, program information for each channel is displayed as a guide screen in a predetermined form based on a time range set by the user in the past. When the time range for the guide screen is not set to a specific range by the user, as shown in the drawing, the guide screen for 2 hours is displayed.

When the user inputs the time range change key signal through the key input unit 110 to change the time range for the guide screen while the program guide screen for each channel is displayed through the above-described process, the microcomputer 120 The OSD unit 170 displays a time range setting menu screen as shown in FIG. 2A.

That is, as shown in the drawing, various time ranges for one screen of the program guide screen are displayed to display a time range setting menu screen for the user to select it. Such a time setting menu screen includes a microcomputer 120 and According to the programming process of the OSD unit 170, the program guide screen for each channel displayed on the current screen may be superimposed, or may be displayed separately after the program guide screen is turned off.

Meanwhile, when the user continuously selects one of the times of the time range setting menu screen shown in the same drawing to set the time range for the guide screen, the microcomputer 120 sets the predetermined time range of the memory unit 140. By storing in the area, the guide screen format information is updated.

In addition, a control signal is generated in the OSD unit 170 to change the shape of the currently displayed guide screen into a shape selected by the user, that is, a guide screen having a time range set by the user.

For example, when the user sets the time range of the guide screen to 3 hours using the time range setting menu screen as shown in FIG. 2A while the guide screen of the type shown in FIG. 4 is displayed, As shown in FIG. 2B, when program information for each channel is displayed for each of three hours (9:00 to 12:00), and the user sets the time range to four hours, as shown in FIG. In the guide screen, program information for each channel is changed and displayed for 4 hours (9:00 to 13:00).

3 is a flowchart illustrating a process of displaying a program guide screen of a satellite broadcasting receiver according to an exemplary embodiment of the present invention. Hereinafter, a series of processes described above with reference to the accompanying drawings will be described in detail.

During the normal viewing mode of the satellite broadcasting receiver (step 301), when a key signal for displaying a program guide screen for each channel is input from the key input unit 110 (step 303), the microcomputer 120 stores the memory unit 140. By reading the program information for each channel and the format information (including time range information) for the guide screen stored in step 305 and providing it to the OSD unit 170, the program guide screen for each channel as shown in FIG. Is displayed (step 307).

In this case, when the user manipulates the key input unit 110 to change the time range of the currently displayed program guide screen and inputs a corresponding key signal (step 309), the microcomputer 120 stores the memory unit 140. The menu screen information stored in the predetermined region of the readout is read and the time range setting menu screen shown in FIG.

Then, when the user continuously selects one of the time ranges included in the time range setting menu screen through the key input unit 110 to set the time range for the program guide screen (step 313), the microcomputer 120 sets The information on the time range is stored in a predetermined area of the memory unit 140 to update the format information on the program guide screen, and to turn off the currently displayed time range setting menu screen (step 319).

On the contrary, when the selection key signal for setting the time range is not input while the time range setting menu screen for the guide screen is displayed through the above-described step 311, and a predetermined time elapses (step 315). ), The time range setting menu screen displayed on the current screen by the microcomputer 120 is automatically turned off (step 317) and the program guide screen for each channel is displayed again by repeating the above-described step 307. Done.

On the other hand, after the time range information of the guide screen set by the user through the above-described step 319 is stored in the predetermined area of the memory unit 140, and the time range setting menu screen is turned off, the microcomputer 120 by the user The set guide screen information (time range information) and a control signal for changing the program guide screen are generated and provided to the OSD unit 170. Therefore, the program guide screen of the changed form is displayed based on the time range set by the user (step 321).

As a result, the user can set and display the time range for the program guide screen for each channel to the desired range, and the user can display the guide screen with his TV aspect ratio (for example, 4: 3 or 16: 9) can be set adaptively.

On the other hand, in the state in which the program guide screen for each channel is displayed through the above-described step 321, a key signal for turning off the program guide screen displayed on the current screen is input or without inputting a key signal for performing another specific command. When the predetermined time elapses (step 323), the program information screen for each channel displayed on the current screen by the microcomputer 120 is automatically turned off, and the overall operation of the satellite broadcasting receiver is described in the initial step 301. Is switched to the normal viewing mode of step 325.

As described above, according to the present invention, by setting the time range for the program guide screen for each channel provided by the satellite broadcasting receiver in the form desired by the user, the user can satisfy the needs of a wider variety of users. There is.

Claims (2)

In the method for displaying a program guide screen of a satellite broadcast receiver for receiving a satellite broadcast signal provided through a satellite, pre-store the broadcast program information for each channel extracted from the broadcast signal, and display the same; A first step of displaying a program guide screen by reading the stored program information and guide screen format information for each channel when a key signal for displaying information on the program for each channel is input; A second step of displaying a time range setting menu screen including a plurality of time ranges when a key signal for changing a time range of the displayed program guide screen is input; A third step of storing the set time range information to update the guide screen format information and turning off the time range setting menu screen when one time range of the plurality of displayed time ranges is set; And changing a time range of the program guide screen based on the updated guide screen format to display the program guide screen. The method of claim 1, wherein the third step comprises: if the time range for the program guide screen is not set within a predetermined time while the time range setting menu screen is displayed, the displayed time range setting menu screen is displayed. The program guide screen display method of the satellite broadcasting receiver further comprising the step of automatically turning off.