KR19990056480A - How to Display Program Guide Screen of Satellite Broadcast 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 and configuring only program information for a specific channel selected by a user in a program guide screen for each channel of a satellite broadcast receiver. When a key signal for displaying program information for each channel is input, a screen selection menu for selecting a program information screen of all channels or a program information screen of a specific channel based on the plurality of channels is displayed, and the program of all channels is displayed. When the information screen is selected, the program information for each pre-stored channel is read and sequentially displayed for each channel. When the program information screen of the specific channel is selected, a channel including a plurality of all channels registered in the satellite broadcasting receiver is selected. Display Menu Screen And if any one of the displayed channels is selected, extracting program information for the selected arbitrary channel from the previously stored program information for each channel, and extracting program information for the extracted arbitrary channel. And a fifth step of sequentially displaying time zones.

Description

How to Display Program Guide Screen of Satellite Broadcast 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 configuring and displaying program information for each channel provided to the satellite broadcast receiver in a predetermined form.

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, various signals such as broadcast signals (video data and audio data), event information table (EIT), and time data table (TDT) for each channel are included in a satellite signal provided from a satellite, that is, a bit stream.

When the satellite broadcasting receiver is powered on, the various kinds of information are stored in a predetermined area of a memory means provided in the satellite broadcasting receiver and displayed on various menu screens at the request of the user. A broadcast program guide screen for guiding a broadcast program received for each channel and information about each channel for receiving a signal is included.

FIG. 4 is a diagram illustrating an example of a program guide screen for each channel provided by a conventional satellite broadcast receiver. When a user requests program information for each channel through a key input unit, FIG. 4 is inserted into a satellite broadcast signal. Program information for each channel is sequentially displayed for each time zone as shown in the figure.

However, since the program information for all channels received by the satellite broadcasting receiver is not displayed on the displayed guide screen, the user scrolls the screen left, right, up, or down by using a key input means. The user searches for the desired channel or broadcast program.

That is, the broadcast channel provided by the satellite broadcasting receiver is gradually increasing over time, and since the amount of program information that can be displayed on one screen is limited, the user repeats the cumbersome key manipulation process for scrolling the screen. It is inconvenient to search for a broadcast program of a channel desired by the user.

Accordingly, the present invention has been made in view of the foregoing, and extracts only the program information corresponding to a certain channel number selected by the user from the program information for each channel provided to the satellite broadcasting receiver to be displayed as a guide screen of a predetermined form. An object of the present invention is to provide a method for displaying a program guide screen of a satellite broadcast receiver.

In order to achieve the above object, the present invention provides a satellite broadcast receiver for receiving a broadcast signal for a plurality of satellite broadcast channels provided through a satellite, pre-store broadcast program information for each channel extracted from the broadcast signal, and display the same. In the method for displaying a program guide screen, if a key signal for displaying program information for each channel is input, selecting a screen for selecting a program information screen of all channels or a program information screen of a specific channel based on the plurality of channels. Displaying a menu; If the program information screen of all the channels is selected, a second step of reading program information for each pre-stored channel and sequentially displaying them for each channel; A third step of displaying a channel selection menu screen including a plurality of all channels registered in the satellite broadcasting receiver when the program information screen of the specific channel is selected; A fourth step of extracting program information for the selected arbitrary channel from the pre-stored program information for each channel when an arbitrary channel is selected from the plurality of displayed channels; A method for displaying a program guide screen of a satellite broadcasting receiver includes a fifth step of sequentially displaying program information about the extracted arbitrary channel for each time slot.

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 embodiment of the present invention;

2 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;

3 is a diagram illustrating an example of 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>

105: key input unit 110: microcomputer

115: tuner and demodulator 120: MPEG decoder

125: video encoder 130: memory unit

135: OSD unit 140: video synthesis 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 105, a microcomputer 110, a tuner, and a demodulator ( 115, an MPEG decoder 120, a video encoder 125, a memory 130, an OSD 135, and an image synthesizer 140.

Referring to FIG. 1, the key input unit 105 is composed of key metrics on a remote controller or its own panel to generate a corresponding key signal by a user's operation and provide it to the microcomputer 110, and the microcomputer 110 provides a key. Each control signal for generating a corresponding function is generated based on a key signal from the input unit 105. For example, the user broadcast channel may be selected from the outside, including a microprocessor for controlling overall operation of the receiver. When a signal is input, a corresponding tuning control signal is generated and provided to the tuner and demodulator 115 to be described later.

The tuner and demodulator 115 tunes a broadcast channel selected by a user from a broadcast signal received through a broadcast signal receiver (i.e., a satellite reception antenna), not shown, based on a tuning control signal provided from the microcomputer 110. 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 next MPEG decoder 120.

At this time, the microcomputer 110 stores program information for each channel output from the tuner and the demodulator 115 in the memory unit 130. In the other predetermined region of the memory unit 130, the overall operation of the satellite broadcasting receiver is performed. Various menu screen information for controlling the pre-stored information.

On the other hand, in the MPEG decoder 120, on the basis of the control signal provided from the microcomputer 110, the compressed and encoded audio signal and the video signal of the broadcast channel provided from the tuner and demodulator 115, In consideration of spatiotemporal and spatial correlation, the compressed and encoded video signal is restored to the original signal before encoding using a decoding technique such as variable length decoding, inverse DCT, inverse quantization, and motion compensation, and the digital broadcast video signal reconstructed here The next stage is provided to the video encoder 125, and the reconstructed audio signal is provided to an audio signal processor (not shown).

In addition, the video encoder 125 converts the selected digital broadcast video signal provided by the MPEG decoder 120 into an NTSC or PAL analog video signal, and then provides the converted video signal to the image synthesizer 140, and the OSD unit 135. In addition, various menu screen information and message information provided from the microcomputer 110 are configured as a guide screen in a predetermined form and provided to the image synthesizing unit 140.

Therefore, the image synthesizing unit 140 transfers the analog satellite broadcasting signal output from the video encoder 125 to the display side, not shown, or omits a screen in which various menu screen data displayed through the OSD unit 135 are mixed. To the display side.

2 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, which will be described in detail with reference to the accompanying drawings.

While the general operation of the satellite broadcasting receiver configured as shown in FIG. 1 is performed in the normal viewing mode in which an arbitrary channel selected by the user is displayed (step 201), the user may input the key input unit 105 to display program information for each channel. When the program guide key signal is input through the step S203, the microcomputer 110 selects a type of program guide screen from among various menu screen format information stored in a predetermined area of the memory 130 in response to the input key signal. By reading menu information for selection and providing it to the OSD unit 135, a screen selection menu screen as shown in Fig. 3A is displayed (step 205).

That is, as shown in FIG. 3A, a guide screen selection menu screen for selecting whether to display program information for all channels or only program information for any channel is displayed. If the entire information screen is selected through the key input unit 105 while the menu is displayed (step 209), or if a key signal for selecting the shape of the guide screen is not input for a predetermined time (step 211), the microcomputer ( 110 reads the program information for all channels pre-stored in the memory unit 130 (step 215) and provides it to the OSD unit 135 so that the program guide screen for each channel as shown in FIG. 4 is displayed. (Step 217).

That is, if the form of the guide screen is not selected while the guide screen selection menu is displayed through the above step 205, the microcomputer 110 automatically displays the program guide screen for each channel of the satellite broadcasting receiver. .

On the other hand, unlike the respective steps 209 and 211 while the guide screen selection menu as shown in FIG. 3A is displayed, when the user operates the key input unit 105 to select the channel-specific information screen, The microcomputer 110 blocks the operation of the OSD unit 135 to turn off the guide screen selection menu, reads all channel information registered in the satellite broadcasting receiver, and displays a channel selection menu screen as illustrated in FIG. 3B. (Step 219).

That is, a channel selection menu for selecting an arbitrary channel among a plurality of channels registered in the satellite broadcasting receiver is displayed. If an arbitrary channel is not selected within a predetermined time (step 223), the microcomputer 110 By the operation of the OSD unit 135 is blocked, the channel selection menu screen displayed on the current screen is automatically turned off (step 225), and the overall operation of the satellite broadcasting receiver is the same as the initial step 201 described above. The viewing mode is switched.

If a channel selection menu screen including a plurality of channels registered to the satellite broadcasting receiver is displayed through the above-described step 219, an arbitrary channel (eg, CH 24) is selected through the key input unit 105. In operation 221, the microcomputer 110 extracts only program information for a selected channel CH 24 from among program information for each channel stored in a predetermined area of the memory unit 130 (step 227). ), Only program information for the selected channel CH 24 is sequentially displayed for each time zone as shown in FIG. 3C (step 229).

As a result, the user can display only program information for all channels or program information for a specific channel desired by the user with reference to each menu screen as a guide screen of a predetermined type.

As described above, according to the present invention, by extracting and displaying only the program information for the channel selected by the user from the program information for the plurality of channels provided by the satellite broadcasting receiver, the effect of satisfying the needs of more diverse users is more effective. have.

Claims (2)

In the method for displaying a program guide screen of a satellite broadcast receiver for receiving a broadcast signal for a plurality of satellite broadcast channels provided through a satellite, pre-store broadcast program information for each channel extracted from the broadcast signal, and display the same; A first step of displaying a screen selection menu for selecting a program information screen of all channels or a program information screen of a specific channel based on the plurality of channels when a key signal for displaying program information for each channel is input; If the program information screen of all the channels is selected, a second step of reading program information for each pre-stored channel and sequentially displaying them for each channel; A third step of displaying a channel selection menu screen including a plurality of all channels registered in the satellite broadcasting receiver when the program information screen of the specific channel is selected; A fourth step of extracting program information for the selected arbitrary channel from the pre-stored program information for each channel when an arbitrary channel is selected from the plurality of displayed channels; And a fifth step of sequentially displaying program information on the extracted arbitrary channels for each time zone. The method of claim 1, wherein if the program information screen is not selected for a predetermined time while the screen selection menu is displayed, the third step reads program information for each pre-stored channel for each channel. Method for displaying a program guide screen of the satellite broadcast receiver further comprising the step of displaying sequentially.