KR19990056479A - How to Display Program Guide Screen of Satellite Broadcast Receiver - Google Patents

Abstract

The present invention is to display a program guide screen for each channel provided by the satellite broadcast receiver, by displaying a range of program information currently stored in the receiver, so that the user can easily grasp the program guide screen display method of the satellite broadcast receiver To this end, according to the present invention, when a key signal for displaying program information for each channel is input, the pre-stored program information for each channel is read, and the guide screen for the read program information is set in a preset time zone. And sequentially display the full range information on the first and last date of the read program information in the guide screen, and simultaneously display the program information displayed on the current screen among the full range of the program information. Calculating corresponding position information and displaying a position indication based on the calculated position information in the displayed guide screen.

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 of displaying a program guide screen of a satellite broadcast receiver suitable for configuring and displaying program information for each channel provided by 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.

In addition, program information for each channel provided to the conventional satellite broadcasting receiver is generally provided with program information of about one week at the same time. Since the information about such a guide screen is not displayed on the conventional program guide screen as described above, Does not recognize this problem.

That is, the satellite broadcasting receiver prestores about one week's program information provided by each broadcaster through a satellite and displays the information by one screen unit. There is an inconvenience, and in order to confirm this, there is an inconvenience of having to scroll the guide screen to the end by repeatedly performing a cumbersome key manipulation process.

Accordingly, the present invention has been made in view of the foregoing, and if a program guide screen for each channel of the satellite broadcast receiver is required, the total amount of program information for each channel stored in the receiver is calculated and the range of the program information accordingly. It is an object of the present invention to provide a method for displaying a program guide screen of a satellite broadcast receiver capable of displaying a within a guide screen.

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. A method for displaying a program guide screen, comprising: a first step of reading program information for each channel stored in advance when a key signal for displaying program information for each channel is input; A second step of sequentially displaying the guide screen for the read program information from a preset time zone and displaying full range information of the first and last dates of the read program information in the guide screen; Calculating position information corresponding to program information displayed on a current screen among the entire range of the program information; And a fourth step of displaying the position indication based on the calculated position information in the displayed guidance screen.

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 diagram illustrating an example of 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 exemplary 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 of a predetermined amount (for example, one week) output from the tuner and the demodulator 115 in the memory unit 130. Such a memory unit 130 Various menu screen information for controlling the overall operation of the satellite broadcasting receiver is previously stored in another predetermined area of the.

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.

When the user inputs a program guide key signal through the key input unit 105 in order to display program information for each channel in the satellite broadcast receiver as described above, the microcomputer 110 responds to the input key signal in response to the input of the memory unit ( The program information for each channel and the format information for the program guide screen stored in the predetermined region 130 are read.

Then, the read program information and the guide screen format information are provided to the OSD unit 135, and the OSD unit 135 configures each piece of information transmitted from the microcomputer 110 into a guide screen of a predetermined type to form an image synthesizer ( It is displayed on the guide screen as shown in FIG. 2 through 140, wherein the microcomputer 110 detects the range of program information stored in the memory unit 130, that is, the date of the first program information and the date of the last program information. Then, the position of the guide screen displayed on the current screen is detected among the detected whole ranges, and a position display icon (icon) 210 corresponding thereto is displayed in a predetermined region of the guide screen as shown in the drawing.

That is, as shown in FIG. 2, a position indication icon indicating a position corresponding to a full range 220 of program information including a first date and a last date of program information stored in a satellite broadcasting receiver, and a currently displayed program information among the full ranges. 210 is displayed in the guide screen.

When the user scrolls the screen to search for another program not displayed on the screen by operating the key input unit 105, the microcomputer 110 may input the key input unit 105 among the program information previously stored in the memory unit 130. The program information of the channel or the corresponding time zone corresponding to the scroll key signal is extracted and displayed on the screen through the OSD unit 135.

Then, the microcomputer 110 calculates the location information corresponding to the program information for each channel of the guide screen scrolled by a key operation among the entire ranges of the program information stored in the memory unit 130 and displays the location information displayed in the guide screen. The display icon 210 is moved by the corresponding position.

That is, the user can grasp the entire range of the program information that can be provided by the receiver, and in order to grasp the position of the program information displayed on the current screen corresponds to the full range 220 of the program information, The location information 210 for the currently displayed information is displayed in the guide screen.

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, the series of processes described above with reference to the accompanying drawings will be described in detail.

During the general viewing mode in which the overall operation of the satellite broadcasting receiver receives a satellite broadcasting signal of a specific channel selected by the user and performs a predetermined signal processing process and displays it on the screen (step 301), each channel is input through the key input unit 105. When a key signal for displaying program information is input (step 303), the microcomputer 110 reads program information for each channel stored in a predetermined area of the memory unit 130 (step 305), and the OSD unit 135 In step 307, the displayed program information is sequentially displayed for each time zone based on a preset date and time zone or the current time.

At the same time, the entire range of program information for each channel stored in the memory unit 130, that is, the date of the first program information and the date of the last program information are detected, and the position of the program information displayed on the current screen among the detected ranges. Are calculated (step 309), and each is displayed on the screen (step 311).

That is, as shown in FIG. 2, a guide screen for program information for each channel is displayed, and an icon 210 for the range 220 of the entire program information and the location information of the currently displayed program information is displayed in the guide screen. It is displayed in the guide screen.

The scroll key signal for moving the guide screen up, down, left, or right from the key input unit 105 while the program guide screen for each channel of the type as shown in FIG. 2 is displayed through the above-described process. If input (step 313), the microcomputer 110 extracts the program information corresponding to the scroll key signal corresponding to the scroll key signal from the program after the above-described step 305, that is, the program information for each channel stored in the memory unit 130. Display on the screen and move the position information icon 210 for the program information displayed on the screen to a position corresponding to the input key signal.

Meanwhile, as described above, in response to a request signal for a program guide screen for each channel, a key signal for turning off the guide screen is displayed or a key for performing another specific command in a state in which program information for each channel is displayed. When a predetermined time elapses without inputting a signal (step 315), the operation of the OSD unit 135 is blocked by the microcomputer 110, so that the program guide screen displayed on the current screen is turned off, The overall operation is switched to the normal viewing mode as in the initial step 301 described above (step 317).

As described above, according to the present invention, information about the range of the entire program information that can be referred to by the user in the program guide screen for each channel of the satellite broadcasting receiver and the position of the currently displayed guide screen among the entire range is displayed in the guide screen. Therefore, there is an effect that can improve the user's convenience according to the use of the guide screen, and thus there is an effect that can meet the needs of a wider variety of users.

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 reading the pre-stored program information for each channel when a key signal for displaying program information for each channel is input; A second step of sequentially displaying the guide screen for the read program information from a preset time zone and displaying full range information of the first and last dates of the read program information in the guide screen; Calculating position information corresponding to program information displayed on a current screen among the entire range of the program information; And displaying a position indication based on the calculated position information in the displayed guide screen. The method of claim 1, wherein when the key signal for moving the guide screen is input, the fourth step displays a program information of a time zone corresponding to the key signal, and repeats the process after the third step. Program guide screen display method of the satellite broadcast receiver further comprising.