KR19990016102A - How to Display Program Guide Screen of Satellite Broadcast Receiver - Google Patents

Abstract

According to the present invention, a satellite broadcast receiver capable of receiving a satellite broadcast signal and a CATV broadcast signal separately configures a satellite broadcast program guide screen and a CATV broadcast program guide screen, respectively, and selectively displays the program guide screen of the satellite broadcast receiver. A display method comprising: when a broadcast program guide key signal is input while a satellite broadcast receiver is powered on, an entire broadcast program guide screen including the satellite broadcast program information and the CATV broadcast program information stored in the memory unit; In the first step of displaying, when the selection key signal is input in the state that the entire broadcast program guide screen is displayed, the satellite broadcast program guide screen composed of only the satellite broadcast program information corresponding to the selection key signal or the CATV broadcast A second step of displaying a CATV broadcast program guide screen composed only of program information, and when the guide screen change key signal is input while the guide screen is displayed, a guide screen composed of other broadcast program information is displayed from the currently displayed guide screen. And a fourth step of turning off the displayed guide screen when the displayed broadcast program guide screen off key signal is input or a predetermined time elapses.

Description

How to Display Program Guide Screen of Satellite Broadcast Receiver

The present invention relates to a menu screen of a digital satellite broadcasting receiver, and more particularly, to a method of displaying a program guide screen of a satellite broadcasting receiver suitable for separately configuring and displaying a program guide menu screen of digital satellite broadcasting and digital CATV broadcasting.

As is well known, satellite broadcasting is a broadcasting satellite that receives a broadcast signal from a ground station (broadcasting earth station) using a broadcasting satellite floating in a stationary orbit of 36,000 km over the equator, and can receive it directly from a satellite receiving antenna in each home. This system is a broadcasting method in which the information selection range is greatly expanded compared to the conventional terrestrial or cable broadcasting system.

The satellite broadcasting receiver used for the satellite broadcasting receives the bit stream provided from the satellite, processes the broadcast signal of the selected channel, and then provides the signal to a display device (for example, TV) to display on the screen. Not only signals, but also digital CATV broadcasts can be received.

On the other hand, the bit stream provided from the satellite includes various information such as broadcast signals (video data and audio data), event information table (EIT), and time data table (TDT) for each channel.

Among these various information, when a viewer selects a menu corresponding to 'program guide for each channel' from the main menu of PGM (Program Guide Mode, PGM) to display satellite broadcasting guide program for each broadcasting station, each channel The star program guide screen is displayed.

4 is a diagram illustrating an example of a broadcast program guide screen displayed in such a conventional satellite broadcasting reception system. Referring to FIG.

In a conventional satellite broadcast receiver, when a user calls a program guide menu screen for each channel by operating a key input unit, as shown in the drawing, the satellite broadcast program for each channel and the digital CATV broadcast program are displayed on one menu screen. Is displayed.

That is, as shown in the drawing, the satellite broadcasting program and the digital CATV broadcasting program are mixed and displayed on one broadcasting program guide screen, so that the user can check and select information about either broadcasting program of the satellite broadcasting or the CATV broadcasting. There is an inconvenience.

In addition, since the conventional broadcast program guide screen cannot display all the broadcast program information on one screen, the user scrolls through the screen through a key input unit to refer to the remaining broadcast program guide screen. As described above, since the satellite broadcast program and the digital CATV broadcast program are mixed and configured on one guide screen, there is an inconvenience in that the cumbersome number of key manipulations increases accordingly.

If the satellite broadcast program guide menu screen is configured separately from the satellite broadcast program guide screen and the CATV broadcast program guide screen, and the user can call the desired program guide screen, there is much convenience in using the program guide screen. Will be provided.

Accordingly, the present invention has been made in view of the above, and in constructing the broadcast program guide screen for each channel of the satellite broadcast receiver, the satellite broadcast program guide screen and the CATV program guide screen can be separately configured and displayed. It is an object of the present invention to provide a method for displaying a program guide screen of a receiving system.

In order to achieve the above object, the present invention provides a satellite broadcast signal for receiving a satellite broadcast signal provided through a satellite and a CATV broadcast signal provided through a transmission path, and storing each broadcast program information extracted from each broadcast signal in a memory unit. In the method for displaying a broadcast program guide screen of a receiver, when the broadcast program guide key signal is input while the satellite broadcast receiver is turned on, the satellite program information and the CATV broadcast program information stored in the memory unit are included. The first step of displaying the entire broadcast program guide screen, when the selection key signal is input while the entire broadcast program guide screen is displayed, the satellite broadcast program guide consisting of only the satellite broadcast program information corresponding to the selection key signal Screen or the CATV broadcast program A second step of displaying a CATV broadcast program guide screen composed of only gram information; when the guide screen change key signal is input while the guide screen is displayed, a guide screen composed of other broadcast program information is displayed from the currently displayed guide screen. And a fourth step of turning off the displayed guide screen when the displayed broadcast program guide screen off key signal is input or a predetermined time elapses. to provide.

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

3 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;

4 is a diagram illustrating an example of a broadcast program guide screen displayed in a conventional satellite broadcasting reception system.

＊ Explanation of symbols on main parts of drawing

10: key input unit 20: tuner and demodulation unit

30: micom 40: MPEG decoder

50: signal processing section 60: memory section

70: OSD 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 broadcasting receiver suitable for applying a method for displaying a program guide screen of a satellite broadcasting receiver according to an exemplary embodiment of the present invention, and includes a key input unit 10, a tuner and a demodulator 20, and a microcomputer ( 30, an MPEG decoder 40, a signal processing unit 50, a memory unit 60, and an OSD unit 70.

The key input unit 10 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 30, in particular for calling the broadcast program guide screen for each channel. And a selection key for changing the program guide key and the displayed program guide screen.

The microcomputer 30 controls a control signal for tuning a broadcast channel, a control signal for tuning a broadcast channel, and a control signal for driving the OSD unit 70 based on a key signal from the key input unit 10. The predetermined menu screen format information is read from the memory unit 60 to be described later and provided to the OSD unit 70.

The tuner and demodulator 20 is a complex tuner capable of receiving a satellite broadcast signal received through a satellite antenna (not shown) and a CATV broadcast signal provided through a transmission path. The bitstream of the corresponding channel is tuned and then demodulated and provided to the MPEG decoder 40.

The MPEG decoder 40 separates and decodes a broadcast signal provided from the tuner and the demodulator 20 into an audio signal, a video signal, and various program information, and then provides the decoded signal to the signal processor 50. From the OSD unit 70, Data about various information provided is also provided to the signal processor 50 after a predetermined signal processing process.

Then, the signal processing unit 50 converts the digital video signal of the frame unit provided by decoding from the MPEG decoder 40 into an NTSC or PAL signal and displays it on a monitor (not shown), and the digital decoded from the MPEG decoder 40. The audio signal is converted into an analog signal and output to the speaker not shown.

The memory unit 60 stores various program information and menu screen formats decoded and output from the above-described MPEG decoder 40 under the control of the microcomputer 30, and again, the program information stored under the control of the microcomputer 30. And a menu screen format. That is, the memory unit 60 stores broadcast program information for each channel and screen format information for displaying the same.

2 is a flowchart illustrating a menu screen display process of a satellite broadcasting reception system according to an exemplary embodiment of the present invention, which will be described with reference to the accompanying drawings.

When the power is turned on in the satellite broadcasting receiver configured as described above, a satellite signal received through a satellite antenna (not shown) or a CATV broadcast signal provided through a transmission path is displayed on a screen through a predetermined signal processing process. .

If the menu key signal for displaying the menu screen from the key input unit 10 is generated during the normal viewing mode (step 201) of the satellite broadcasting receiver which has undergone the above-described process (step 203), the microcomputer 30 reads various menu information and menu format information stored in the memory unit 60 in response to the key signal (step 205).

Meanwhile, the menu screen format information stored in the above-described memory unit 60 includes the conventional general guide screen format as shown in FIG. 4 and the CATV broadcast and satellite program guide format as shown in FIGS. 3A and 3B. Each of these separately configured menu screen formats is pre-stored.

Therefore, the microcomputer 30 reads the menu screen information and provides the same to the OSD unit 70. The OSD unit 70 processes the inputted information into the MPEG decoder 40 and the signal processor 50. The screen is displayed on the screen, in which the existing general broadcast program guide screen as shown in FIG. 4 is displayed (step 207). That is, satellite broadcast program information and CATV broadcast program information for each channel are configured and displayed on one guide screen.

In the state in which the existing general broadcast program guide screen is displayed through the above-described step 207, displaying a satellite broadcast program guide screen composed only of satellite broadcast program information or a CATV broadcast program guide screen composed only of CATV broadcast program information by the user. When the selection key signal is input (step 209), the microcomputer 30 determines whether the input key signal is a key signal for a satellite broadcast program or a key signal for a CATV broadcast program.

If the inputted selection key signal is a key signal for the satellite broadcasting program (step 213), the microcomputer 30 reads the format information and program information stored in the memory unit 60 to display the OSD unit 70. By providing to, the satellite broadcast program guide screen as shown in Fig. 3B is displayed on a monitor not shown (step 215).

If the above-described selection key signal is a key signal for a CATV program, the microcomputer 30 reads the corresponding menu screen format and program information and provides the same to the OSD unit 70, thereby providing a CATV broadcast program as shown in FIG. 3A. The guidance screen is displayed (step 217).

That is, when the guide screen change key signal is input from the user while the broadcast program guide screen in which the satellite broadcast program information and the CATV program information are simultaneously displayed as shown in FIG. 4 is displayed, the satellites separately configured based on the user's key signal The program or the CATV program guide screen is selectively displayed.

On the other hand, when the guide screen change key signal is not input in step 209 described above, and the guide screen OFF key signal is input or a predetermined time elapses (step 211), control of the microcomputer 30 is performed. The guidance screen currently displayed is turned off.

When the satellite program guide screen or CATV program guide screen is displayed through the above-described steps 215 and 217, when the user inputs the guide screen change key signal again (step 219), the microcomputer 30 Detects whether the key signal input again through the above step 213 is a signal for a satellite broadcast program or a signal for a CATV broadcast program, and displays the corresponding broadcast program guide screen.

In addition, while the broadcast program guide screen corresponding to the key signal input by the user is displayed through the above-described process, the guide screen OFF key signal input by the user is input again through the key input unit 10. When the predetermined time elapses (step 223), the guide screen displayed by the control of the CPU 30 is turned off, and the state of the initial step 201 is switched (step 225).

As described above, according to the present invention, the broadcast program guide screen displayed by the satellite broadcast receiver is divided into a satellite broadcast program guide screen and a CATV broadcast program guide screen according to a user's request, so that each broadcast program can be easily searched. There is an effect, and there is an effect that can meet the needs of more diverse users.

Claims (2)

A method of displaying a broadcast program guide screen of a satellite broadcast receiver for receiving a satellite broadcast signal provided through a satellite and a CATV broadcast signal provided through a transmission path, and storing each broadcast program information extracted from each broadcast signal in a memory unit. , When the broadcast program guide key signal is input while the satellite broadcast receiver is turned on, displaying a first broadcast program guide screen including the satellite broadcast program information and the CATV broadcast program information stored in the memory unit; step; When the selection key signal is input while the entire broadcast program guide screen is displayed, a satellite broadcast program guide screen composed only of the satellite broadcast program information corresponding to the selection key signal or a CATV broadcast program guide composed only of the CATV broadcast program information Displaying a screen; A third step of displaying a guide screen composed of different broadcast program information from a currently displayed guide screen when a guide screen change key signal is input while the guide screen is displayed; And turning off the displayed guide screen when the displayed broadcast program guide screen off key signal is input or a predetermined time elapses. The method of claim 1, wherein the second step further comprises the step of turning off the entire displayed program guide screen when the selection key signal is not input and a guidance screen off key signal or a predetermined time is reached. How to display program guide screen of satellite broadcasting receiver.