KR19990032229A - How to show call sign of cable TV - Google Patents

Abstract

The present invention relates to a call sign display method of a cable TV that allows a user to input a broadcaster name for each channel of a CATV received by a satellite broadcast receiver to easily select a specific channel for the CATV broadcast. If a key signal for displaying a program guide screen for each channel of the satellite broadcasting receiver is input during the viewing mode, a first step of displaying the program guide screen for each channel is provided; A second step of turning off the program guide screen for each channel and displaying a call sign setting menu screen when a key signal for setting a call sign for the second channel is input; Save the channel information and turn off the call sign setup menu screen. A third step of displaying a program guide screen for each channel again; a fourth step of repeating the process after the second step when the call sign setting key signal for another specific channel of the cable TV is input; When the sign setting key signal is not input and a guide screen off key signal is generated, a fifth step of turning off the program guide screen for each channel and switching the operation of the satellite broadcasting receiver to the normal viewing mode.

Description

How to show call sign of cable TV

The present invention relates to a digital satellite broadcasting receiver, and more particularly, to a call sign display method of a cable TV suitable for setting each channel information of a CATV in a satellite broadcasting receiver capable of receiving a satellite broadcasting signal and a digital CATV broadcasting signal. .

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.

Meanwhile, 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. Information about broadcast channels, that is, call sign for each broadcast station and program information for each channel is included and displayed on a screen according to a user's request.

The satellite broadcast receiver used for the satellite broadcasting receives a bit stream provided from the satellite, processes the broadcast signal of the selected channel, and then provides it to a display device (for example, a TV) to display on a screen. Development of satellite broadcast receivers capable of receiving not only satellite broadcast signals but also digital CATV broadcast signals is rapidly progressing.

Accordingly, the program guide screen for each channel provided in the satellite broadcast receiver also configures the program information for each channel of the satellite broadcast and the program information for each channel of the CATV as one guide screen, and shows each channel as shown in FIG. 5. The program guide screen for each star is displayed.

Referring to the drawings in detail, in general satellite broadcast receivers capable of receiving satellite broadcast signals and CATV broadcast signals, channels 1 to 158 are generally assigned to CATV channels, and again 100 to 900 times. Channels up to are divided into satellite broadcasting channels.

When the program guide screen key signal is input by the user, first, CATV broadcasting channel information of Nos. 1 to 158 is displayed first, and satellite broadcasting channel information of Nos. 100 to 900 is sequentially displayed, and the user enters the key. Through the manipulation of the input unit, the user scrolls the screen to search for a desired channel and then selects a desired channel.

However, since the CATV broadcast signal does not include information about each call sign unlike the satellite broadcast signal described above, as shown in the drawing, the broadcaster name for each channel of the CATV, that is, the call sign, is called. Is not displayed, and program information for each time zone is also not displayed. Therefore, the user has a lot of inconvenience in selecting and viewing a specific channel of the CATV with reference to the program guide screen for each channel of the satellite broadcasting receiver.

In the satellite broadcasting receiver capable of receiving both the CATV broadcast signal and the satellite broadcast signal, the call sign for each CATV broadcast channel can be set by the user, and the call sign set by the user can be displayed on various guide screens. If so, it will be possible to provide a wider variety of services to the user.

The present invention has been made in view of the above points, the user can input or change the call sign for each channel of the CATV, call sign of the cable TV that can display the call sign set by the user on various guide screens The purpose is to provide a display method.

In order to achieve the above object, the present invention provides a call sign for each channel of the cable TV in a satellite broadcast receiver that receives and displays a satellite broadcast signal provided from a satellite and a digital cable TV broadcast signal provided through a transmission path. The method of claim 1, further comprising: if a key signal for displaying a program guide screen for each channel of the satellite broadcast receiver is input during the normal viewing mode of the satellite broadcast receiver, displaying the program guide screen for each channel; And a second step of turning off the program guide screen for each channel and displaying a call sign setting menu screen when a key signal for setting a call sign for a specific channel of the cable TV is input. If the call sign for is entered, A third step of storing null information, turning off the call sign setting menu screen, and displaying the program guide screen for each channel again; when a call sign setting key signal for another specific channel of the cable TV is input, In the fourth step of repeating the process after step 2, when the call sign setting key signal is not input and a guide screen off key signal is generated, the program guide screen for each channel is turned off and then the operation of the satellite broadcasting receiver is performed. Provided is a call sign display method of a cable TV, comprising a fifth step of switching to the normal viewing mode.

1 is a block diagram of a satellite broadcasting receiver suitable for applying a call sign display method of a cable TV according to an embodiment of the present invention;

2 is a view for explaining a call sign display method of the cable TV according to an embodiment of the present invention;

3 is a view showing an example of a call sign display method of the cable TV according to an embodiment of the present invention,

4 is a flowchart illustrating a call sign setting process of a cable TV according to an embodiment of the present invention;

5 is a diagram illustrating an example of a program guide screen for each channel provided by a conventional satellite broadcasting receiver.

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

10: key input unit 20: tuner and demodulation unit

30: micom 40: MPEG decoder

50: memory 60: OSD

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 call sign display method of a cable TV 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 memory unit 50, and an OSD unit 60.

The key input unit 10 is composed of key metrics on the remote controller or its own panel to generate a corresponding key signal based on the user's operation and provide it to the microcomputer 30. In particular, the call sign for each channel of the CATV is set. And a plurality of English keys.

The tuner and demodulator 20 receives a bit stream received from a satellite (not shown) and a broadcast signal for each channel of CATV provided through a transmission path, so that the user selects a specific signal selected through manipulation of the key input unit 10. The broadcast signal for the channel is tuned and demodulated again into a predetermined type of signal, and various program information of the satellite broadcast inserted in the bit stream is extracted and output.

The microcomputer 30 controls various control signals for performing corresponding functions based on the key signals from the key input unit 10, a tuning control signal for tuning the broadcast channel, and a control signal for driving the OSD unit 60. And various program information output from the above-described tuner and demodulator 20 are stored in the memory unit 50 to be described later.

The MPEG decoder 40 decodes the broadcast signal provided from the tuner and the demodulator 20 based on the decoding control signal provided from the microcomputer 30 and the audio signal and the video signal, and provides the decoded signal to the signal processor (not shown). Thus, the broadcast signal of the channel selected by the user is displayed on the monitor not shown.

When the user manipulates the key input unit 10 to call the program guide screen for each channel in the satellite broadcast receiver configured as described above, the microcomputer 30 stores the satellite stored in the memory unit 50 based on the input key signal. Program information for each channel of the broadcast and CATV broadcast is read and provided to the OSD unit 60.

In addition, the OSD unit 60 configures inputted program information for each channel as OSD data and provides them to the signal processing stage (not shown), so that the program guide screen for each channel of the general satellite broadcasting receiver as shown in FIG. It is displayed on a monitor not shown.

In this case, as shown in the drawing, information about each channel of CATV and information about each program are not displayed on the displayed satellite broadcast program guide screen.

Therefore, when a user selects a specific channel of CATV by operating the key input unit 10 to input a call sign for each channel of the CATV, and generates a call sign input key signal, the microcomputer 30 generates a control signal. By turning off the currently displayed program guide screen for each channel (OFF), the OSD unit 60 is driven again to display a call sign input menu screen as shown in FIG.

Then, the user operates the key input unit 10 again to input a call sign for the selected CATV channel. At this time, each broadcaster's name is usually composed of three characters or less, and the call sign being input is the channel number of the program guide screen. In view of the display in the column 5, the number of characters that a user can input is made up to four characters.

Subsequently, a user inputs a call sign for a specific channel of the CATV by operating the key input unit 10. If a new call sign of 'QTV' is input to 'CH 157' among the channels of the CATV shown in the drawing. In this case, the microcomputer 30 stores the input call sign 'QTV' in a predetermined area of the memory unit 50, and again turns off the currently displayed call sign input menu screen, and then guides the program for each channel again. The screen will be displayed.

Meanwhile, in the program guide screen for each channel displayed at this time, as shown in FIG. 3, a new call sign for the corresponding channel of the CATV input through the above-described process is displayed together in the channel number column 5.

When the user wants to continuously input a new call sign for another CATV channel, the user repeats the above-described process and inputs a new call sign for the corresponding channel, thereby setting up a call sign for each channel of the CATV or You can change it.

4 is a flowchart illustrating a call sign setting process of a cable TV according to an exemplary embodiment of the present invention, which will be described in detail with reference to the accompanying drawings.

During the normal viewing mode of the satellite broadcasting receiver (step 401), if a key signal for displaying a program guide screen for each channel is input through the key input unit 10 (step 403), each channel stored in the memory unit 50 is stored. Since the program information is provided to the OSD unit 60, a program guide screen for each channel of the satellite broadcasting receiver is displayed (step 405).

Then, when the user selects a specific channel of the CATV and then inputs a key signal for setting a call sign for the selected channel (step 407), the program currently displayed under the control of the microcomputer 30 is displayed. The guidance screen is turned off, and a menu screen for inputting a new call sign for the selected channel is displayed again as shown in FIG. 2 (step 409).

If the program guide screen for each channel is displayed through the above-described step 405, when the call sign setting key signal is not input and the guide screen off key signal is input or a predetermined time elapses (step 421). ), The currently displayed program guide screen is automatically turned off by the control of the microcomputer 30, and the operation of the satellite broadcasting receiver is switched to the normal viewing mode such as the initial stage 401 described above (step 423).

Meanwhile, as shown in FIG. 2 through the above-described step 409, while a menu screen for setting a new call sign is displayed, a new call sign for the CATV channel selected by the user by operating the key input unit 10 is displayed. If inputting (step 411), the microcomputer 30 stores the input call sign in a predetermined area of the memory unit 50 (step 415), and after turning off the currently displayed menu screen, the program for each channel again The guide screen is displayed (step 417).

If a predetermined time elapses without a new call sign being input in step 411 (step 413), the menu screen currently displayed by the microcomputer 30 is automatically turned off as in the above-described process. The program guide screen for each channel is displayed (step 417).

Subsequently, if the call sign input key signal for inputting a new call sign for another CATV channel is again input after step 417 described above (step 419), the process subsequent to step 409 described above is repeated. To enter a new call sign for that channel in CATV.

Similarly, when the call sign input key signal is not input in step 419 and the guide screen off key signal is input or a predetermined time elapses (step 421), the guide screen is automatically displayed by the microcomputer 30. It is turned off and the operation of the satellite broadcast receiver is switched to the normal viewing mode (step 423).

When a new call sign for each channel of the CATV is set by the user through the above-described process, when the user inputs a key signal for displaying a program guide screen for each channel again, as shown in FIG. The call sign entered by the user in the number field 5 is displayed together with the corresponding channel number.

As a result, the call sign for each channel of the CATV received by the satellite broadcasting receiver is set by the user, and the call sign set by the user can be displayed on each guide screen.

As described above, according to the present invention, the user can directly set the channel information for each channel for each channel of the CATV for which no additional information for each channel is provided, thereby providing convenience for channel selection of the CATV. There is an effect that can be, and accordingly has the effect to meet the needs of various users.

Claims (3)

A method of setting a call sign for each channel of a cable TV in a satellite broadcast receiver that receives and displays a satellite broadcast signal provided from a satellite and a digital cable TV broadcast signal provided through a transmission path, A first step of displaying a program guide screen for each channel when a key signal for displaying a program guide screen for each channel of the satellite broadcast receiver is input during the normal viewing mode of the satellite broadcast receiver; A second step of turning off the program guide screen for each channel and displaying a call sign setting menu screen when a key signal for setting a call sign for a specific channel among the plurality of cable TV channels is input; A third step of storing the input channel information, turning off the call sign setting menu screen, and displaying the program guide screen for each channel again when a call sign for the specific channel is input; A fourth step of repeating the process after the second step when a call sign setting key signal for another specific channel of the cable TV is input; And a fifth step of switching the operation of the satellite broadcasting receiver to the normal viewing mode after turning off the program guide screen for each channel when the call sign setting key signal is not input and a guide screen off key signal is generated. How to show call sign of TV. The call sign of the cable TV according to claim 1, wherein the second step further comprises automatically turning off the program guide screen for each channel if the call sign setting key signal is not input within a predetermined time. Display method. The call sign of the cable TV according to claim 1, wherein the third step further comprises automatically turning off the call sign setting menu screen when the channel information on the specific channel is not input within a predetermined time. Display method.