KR19990016100A - How to show channel information on cable TV - Google Patents

Abstract

The present invention relates to a method for displaying channel information of a cable TV so that a user can easily input a channel name for each broadcasting channel of a CATV in a satellite broadcasting receiver capable of receiving CATV broadcasting. When a key signal for displaying each channel of the cable TV is input while the viewing mode is performed, a first step of displaying a channel search screen including each channel number of the cable TV and a channel name corresponding to each channel; When a channel name change key signal for a selected channel and a key signal for selecting a specific channel are input, a second step of displaying a channel information screen for the selected channel, and when a new channel name for the selected channel is input, Update the channel name with the new channel name A third step of playing, a fourth step of turning off the displayed channel information screen and switching the operation of the satellite broadcasting receiver to a normal viewing mode when a key signal for turning off the displayed channel information screen is input; .

Description

How to show channel information on cable TV

The present invention relates to a digital satellite broadcasting receiver, and more particularly, to a method for displaying channel information of a cable TV suitable for displaying each channel information of 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, channel names for broadcasting stations and program information for each channel is included and displayed on a screen according to a user's request.

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. In addition to the signals, it is also possible to receive digital CATV broadcast signals.

However, since the CATV broadcast signal does not include information on each channel name, it is inconvenient for a user to select a specific channel desired by referring to each channel information menu screen when watching a CATV broadcast using a satellite broadcast receiver. there was.

Accordingly, the present invention has been devised in view of the above, and the user inputs a name for each CATV channel in a satellite broadcast receiver capable of receiving CATV broadcast signals, and displays channel information of a cable TV that can display the same. It is about a method.

In order to achieve the above object, the present invention relates to a method for displaying channel information of the cable TV in a satellite broadcast receiver for receiving and displaying a satellite broadcast signal provided from a satellite and a digital cable TV broadcast signal provided through a transmission path. If a key signal for displaying each channel of the cable TV is input during the normal viewing mode of the satellite broadcasting receiver, a channel search screen including each channel number of the cable TV and a channel name corresponding to each channel is displayed. In a first step, when a channel name change key signal for the displayed channel and a key signal for selecting a specific channel are input, the second step for displaying a channel information screen for the selected channel, and a new channel name for the selected channel If input, the selected channel A third step of updating the channel name to the new channel name and displaying it; if a key signal for turning off the displayed channel information screen is input, the displayed channel information screen is turned off and the operation of the satellite broadcasting receiver is normally watched. Provided is a method for displaying channel information of a cable TV, including a fourth step of switching to a mode.

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

2 is a diagram illustrating an example of a method for displaying channel information of a cable TV according to an embodiment of the present invention;

3 is a flowchart illustrating a process of displaying channel information of a satellite broadcast receiver according to a preferred embodiment of the present invention.

＊ 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 channel information 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 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, each channel name of the CATV can be input. Key and various function keys.

The microcomputer 30 controls the control signal for tuning the broadcast channel, the control signal for tuning the broadcast channel, and the control signal for driving the OSD unit 70 based on the key signal from the key input unit 10. Each channel name input by the user is provided to the memory unit 60 to be described later.

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 channel information decoded and output from the above-described MPEG decoder 40 and respective channel names of the CATV input by the user under the control of the microcomputer 30, and again controls the microcomputer 30. The channel and channel name stored by are outputted.

In the satellite broadcasting receiver configured as described above, when the user operates the key input unit 10 to call the 'channel search menu' of the CATV, the microcomputer 30 is stored in the memory unit 60 based on the input key signal. The CATV channel information is read and provided to the OSD unit 70.

In addition, the OSD unit 70 configures each channel information of the input CATV as OSD data to provide the MPEG decoder 40, and the MPEG decoder 40 passes the OSD data through a predetermined signal processing process and then the signal processing unit. 50 will be provided.

Accordingly, the CATV 'channel search menu screen' as shown in FIG. 2A is displayed on a monitor not shown in correspondence with the user's key signal. That is, as shown in the drawing, each channel number and its corresponding channel name are displayed. In the case where each channel name is not defined by the user, as shown in the drawing, the corresponding channel number is displayed. The channel name is specified and displayed.

As described above, when the user selects a corresponding channel to input or modify a new channel name for a certain channel while the 'channel search menu screen' is displayed, as shown in FIG. 2B by the control of the microcomputer 30. The information screen for the channel selected by the user is displayed. That is, as shown in the figure, a channel information screen including a channel number, a channel name, and a channel name input box 5 is displayed.

When the user inputs an English letter of 'D' 'T' 'V' through the key input unit 10 to change the currently set channel name while the 'channel information screen' as shown in the drawing is displayed, the user The English letter inputted by is displayed in the channel name input box 5 as shown in FIG. 3A, and the channel name set as the default value of 'CH 01' is changed to 'DTV' and stored in the memory unit 60.

Accordingly, the user can input or modify each channel name of the CATV through the above-described process, and the input channel name is stored in the memory unit 60 so that each channel is requested when the channel search screen shown in FIG. The channel name is displayed as the channel name input by the user.

For example, when a user inputs a CATV 'channel search' key signal while the channel name 'DTV' is assigned to the channel number '01' and stored in the memory unit 60 through the above-described process, As shown in FIG. 2D, the channel search screen of CATV is displayed. In this case, the channel name 'DTV' input by the user is displayed on the channel name of channel number '01'.

3 is a flowchart illustrating a process of displaying channel information 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.

In the satellite broadcasting receiver configured as described above, a satellite broadcasting signal provided through a satellite (not shown) or a digital CATV broadcasting signal transmitted through a transmission path is received to display a channel selected by a user on a screen through a predetermined signal processing process. During the normal viewing mode (step 301), when the CATV channel search key signal for displaying the CATV channel search screen is input from the key input unit 10 (step 303), the 'channel search for the CATV shown in FIG. Menu screen '(step 305).

If the menu screen OFF key signal is input or a predetermined time elapses while the channel search menu screen is displayed through the above-described step 305 (step 309), the control of the microcomputer 30 is controlled. The menu screen currently displayed is turned off (step 323), and the mode is switched to the normal viewing mode of the initial step 301.

On the other hand, when the 'channel search menu screen' is displayed through the above-described step 305, when the user inputs a channel change key signal to input or modify the channel name of a specific channel and then selects the corresponding channel (step 307, a 'channel information screen' for the selected channel is displayed as shown in FIG. 2B (step 311).

If a new channel name is not input while the 'channel information screen' is displayed through step 311, a menu screen OFF key signal is input or a predetermined time elapses (step 315). As in step 309, the menu screen currently displayed is controlled by the control of the microcomputer 30, and the operation of the satellite broadcasting receiver is switched to the normal viewing mode (step 323).

On the contrary, if the user inputs a new channel name after operating the key input unit 10 after step 311, the channel name input by the user is displayed in the channel name input box 5 as shown in FIG. The channel name input by 30 is stored in the memory unit 60 (step 317).

When the user inputs a channel search key signal to input or modify a channel name for another channel (step 319), the previous menu screen 'channel search menu screen' is displayed, wherein each channel name is displayed. As shown in FIG. 2D, the channel name input by the user is updated and displayed in step 313 described above, and the operation after step 311 is repeatedly performed to change the channel name for another specific channel. do.

If a menu screen off key signal or a predetermined time elapses by the user after the channel name change or input process is completed through the above-described step 317 (step 321), it is displayed by the control of the microcomputer 30. The menu screen is turned off (step 323), and the operation of the satellite broadcast receiver is switched to the normal viewing mode of the initial step 301.

When the user inputs each channel name for the CATV broadcasting channel as a desired channel name through the above-described process, and a channel search key signal for searching each channel of the CATV is input again by the user, FIG. 2D. As shown in FIG. 3, each channel number of the CATV and each channel name input by the user are displayed so that the user can easily find the broadcasting channel of the CATV.

As described above, according to the present invention, since the user assigns each channel name to each broadcasting channel of the CATV that can be received by the satellite broadcasting receiver, the user can easily grasp the information on each channel, thereby making it easy to search for the channel. have.

Claims (6)

In the method for displaying the channel information of the cable TV in a satellite broadcast receiver for receiving and displaying a satellite broadcast signal provided from a satellite and a digital cable TV broadcast signal provided through a transmission path, During the normal viewing mode of the satellite broadcasting receiver, when a key signal for displaying each channel of the cable TV is input, a channel search screen including each channel number of the cable TV and a channel name corresponding to each channel is displayed. First step; A second step of displaying a channel information screen for the selected channel when a channel name change key signal for the displayed channel and a key signal for selecting a specific channel are input; If a new channel name for the selected channel is input, updating the new channel name with the channel name of the selected channel and displaying the new channel name; And a fourth step of turning off the displayed channel information screen and switching the operation of the satellite broadcasting receiver to a normal viewing mode when a key signal for turning off the displayed channel information screen is input. Way. The cable TV channel information of claim 1, wherein the channel search screen is configured to display each channel number as each channel name when the channel names corresponding to the channels are not input. Display method. The method of claim 1, wherein the first step further includes automatically turning off the channel search screen when a key signal for turning off the displayed channel search screen is input or a predetermined time elapses. How to display channel information on cable TV. The method of claim 1, wherein the second step further comprises automatically turning off the channel information screen when a key signal for turning off the displayed channel information screen is input or a predetermined time elapses. How to display channel information on cable TV. The cable TV according to claim 1, wherein the third step further comprises repeating the process after the first step when a key signal for displaying a channel name for another channel of the cable TV is input. How to display channel information The method of claim 1, wherein the fourth step further comprises the step of automatically turning off the channel information screen when a predetermined time elapses without a key signal for turning off the displayed channel information screen. Channel information display method of the cable TV.