KR20090078450A - Method for displaying additional information in a digital broadcasting receiver - Google Patents

Abstract

An additional information displaying method in a digital broadcast receiver for changing the range of the number of list items according to a user is provided to set up list items by changing the range of the number of the additional information list items displayed on screen. A plurality of additional information relating to the broadcasting reception is received about the number of intra display list items(S300-S306). The number of list items indicated with the intra of each additional information is changed to the number of the list items change(S308). Each additional information is indicated by the number of the reestablished list items on the screen. The number of list items of the additional information is set up in other words more than the number of previously set up list items.

Description

How to display additional information in a digital broadcast receiver {METHOD FOR DISPLAYING ADDITIONAL INFORMATION IN A DIGITAL BROADCASTING RECEIVER}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcasting receiver, and in particular, a range of list items displayed on a channel, a timer, and a stored program list in a digital broadcasting receiver according to a user's selection. The present invention relates to a method of displaying additional information of a digital broadcast receiver to enable change setting.

In general, a digital broadcast receiver called a set top box is a device configured with a TV receiver to receive various TV image data of multiple channels transmitted through a network or a satellite. Receives the digital broadcasting data compressed by the MPEG-2 transmission method, expands the compressed data, decodes the encoded data, and converts the encoded data into a standard NTSC signal to be displayed on a TV receiver.

That is, the digital broadcast receiver receives a bit-stream digital broadcast signal in a packet unit transmitted from a broadcasting station, and selects a channel selected from among the broadcast signals received by transport demux. It is configured to extract the broadcast signal, decode the extracted broadcast signal in a moving picture experts group (MPEG) -2 scheme, and display the extracted broadcast signal.

On the other hand, the digital broadcast receiver as described above has a function for the user to check the channel list information or timer list information of the digital broadcast, program list information of the broadcast program recorded by the user through a menu selection.

1A to 1C illustrate screen display examples of a channel list 100, a timer list 102, and a stored program list 104 that can be checked through menu selection in a conventional digital broadcast receiver. The screen illustrated in FIG. 1 is illustrated in FIG. 1. As in, the user can easily check various additional information on the broadcast receiver screen.

However, in the conventional channel list, timer list, and stored program list information, the number of list items to be displayed on each list information screen is fixed as shown in FIGS. 1A to 1C, which is inconvenient to check the information according to the user's preference. There was this.

Accordingly, if the user can change the number of list items displayed on the screen, increase the number of list items to check a large amount of information on one screen at a time, or reduce the number of list items for users with low vision to make the list items larger on the screen. It is expected to greatly increase convenience in use.

Accordingly, in the present invention, in the method of displaying additional information in a digital broadcasting receiver, the range of the number of list items displayed on the additional information screen such as a channel, a timer, and a stored program list can be changed and set according to a user's selection. It is an object of the present invention to provide a method for displaying additional information of a digital broadcast receiver which can greatly increase the number of times.

According to an aspect of the present invention, there is provided a method of displaying additional information in a digital broadcasting receiver, the method comprising: receiving an on-screen display list item number change request of a plurality of additional information related to broadcast reception; Changing the set list item number to the changed requested list item number, and displaying each additional information on the screen as the changed set list item number.

According to the present invention, in a method of displaying additional information such as a channel / timer / stored program list in a digital broadcasting receiver, the user can change and set the range of the number of additional information list items displayed on the screen according to the user's selection. The number of list items can be increased to check a lot of information on one screen at a time, or for users with low vision, the number of list items can be reduced to make the list items larger on the screen. have.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating principle of the present invention. In the following description of the present invention, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

According to the specific core technical gist of the present invention, in the various additional information display methods in the digital broadcasting receiver, the range of the number of list items displayed on the additional information screen such as a channel, a timer, and a stored program list is changed and set according to a user's selection. It is easy to achieve what is intended in the present invention through techniques that make it possible.

2 is a schematic block diagram of a digital broadcast receiver to which an embodiment of the present invention is applied.

2, first, the key input unit 218 and the remote controller 226 generate a key data signal according to a user's key operation and apply the generated key data signal to the controller 216. The memory unit 220 stores an operation program for the operation of the digital broadcast receiver, and stores and outputs various program information output from the tuner unit 200 under the control of the controller 216.

The tuner 200 tunes and receives a bit stream of a channel corresponding to a tuning control signal of the controller 216 of a bit stream from a terrestrial wave or a satellite received through an antenna. The channel decoder 202 decodes the signal selected from the tuner unit 200 in a VSB, QPSK, QAM, or the like manner according to a transmission method and applies the demultiplexed signal to the demultiplexer 204.

The demultiplexer 204 receives the digital stream decoded by the channel decoder 202 and divides the digital stream into video, audio, and additional information streams, and applies the decoded video stream to the MPEG-2 decoder 206. Then, the MPEG decoder 206 separates and decodes the broadcast signal provided from the demultiplexer 204 into an audio signal and a video signal, and then performs a predetermined signal processing process through the video / audio processing units 208 and 210 to display the TV receiver display unit ( 212) to be displayed on the screen.

The video processor 208 receives a video signal decoded and output from the MPEG-2 decoder 206 and converts the video signal into a video signal that can be displayed on the screen of the display unit 212 of a TV receiver such as a CRT, PDP, LCD, etc. The audio processor 210 receives the audio signal decoded and output from the MPEG-2 decoder 206 and reproduces the audio signal through an audio output unit such as a speaker 214. The IR receiver 224 receives an operation command of a remote controller operated by a user and applies it to the controller 116.

The controller 216 controls the overall operation of each part of the digital broadcast receiver according to the operation program stored in the memory unit 220, and the remote controller 226 input from the key data signal from the key input unit 218 and the IR receiver 224. According to the key data from the control signal for generating a corresponding function is generated and applied to the corresponding function. For example, the tuner 200 provides a tuning control signal for tuning a broadcast channel selected by a user, and generates a decoding control signal for decoding the tuned broadcast signal.

In addition, the control unit 216 is requested by the user when there is a request to change the quantity of the list item displayed on the channel list, timer list, and stored program list screen as shown in FIG. 1 by the user according to an embodiment of the present invention. The number of selected list items is accepted, and then the number of list items displayed on each additional information screen is changed.

Accordingly, the user can increase the number of list items of the desired additional information to check a lot of information on one screen at a time, or for users with low vision, the number of list items can be reduced so that the list items can be enlarged on the screen to increase convenience. do.

FIG. 3 is a flowchart illustrating an operation control flow for changing a display range of a channel / timer / stored program list according to a user selection in a digital broadcast receiver according to an embodiment of the present invention.

First, the controller 216 of the digital broadcast receiver receives a broadcast of a channel selected by the user in step S300 and displays it on the screen of the display unit 212 of the receiver so that the user can watch a broadcast program.

In this case, when the user wants to change the number of list items displayed on the digital broadcasting receiver and the timer list information or the number of list items displayed on the stored program list information screen for the broadcast program recorded by the user, the list to be changed on the menu selection screen. Select information.

Then, the controller 216 displays a menu selection screen for selecting desired list information in step S302, and displays the list information screen selected by the user in step S304 according to the previously set number of list items. Display.

In this case, the user selects a menu item number change menu on the corresponding list information screen and newly inputs the number of list items to be changed.

Then, the controller 216 recognizes the number of changed list items displayed on one screen for the list information selected by the user in step S306, and proceeds to step S308 to the number of changed list items input by the user. Accordingly, the number of display list items of the corresponding list information is changed.

Subsequently, the control unit 216 completes the setting of the display list item number change setting for the corresponding list information in step S310, and then displays the broadcast of the channel previously watched by the user on the receiver screen in step S312. Allows a user to watch a broadcast program.

As described above, in the present invention, in the method of displaying additional information such as a channel / timer / stored program list in a digital broadcast receiver, the range of the number of additional information list items displayed on the screen can be changed and set according to the user's selection. By increasing the number of list items, a user can check a lot of information on one screen at a time, or, in the case of a user with low vision, reduce the number of list items so that the list items can be enlarged on the screen.

Meanwhile, in the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the invention should be determined by the claims rather than by the described embodiments.

1 is a diagram illustrating an additional information display screen of a conventional digital broadcasting receiver;

2 is a detailed block diagram of a digital broadcast receiver to which an embodiment of the present invention is applied;

3 is an operation control flowchart for displaying additional information of a digital broadcast receiver according to an embodiment of the present invention.

 <Brief description of the major symbols in the drawings>

100: tuner unit 102: channel decoder

104: demultiplexer 106: MPEG-2 decoder

108: video processing unit 110: audio processing unit

112: display unit 114: speaker

116: control unit 118: key input unit

120: memory unit 124: IR receiver

126: remote control

Claims (3)

As a method of displaying additional information in a digital broadcasting receiver, Receiving a request to change the number of on-screen display list items of a plurality of additional information related to broadcast reception; Changing and setting the number of list items displayed on the screen of each additional information to the number of requested list items; Displaying the additional information on the screen using the changed list item number. Additional information display method in a digital broadcast receiver comprising a. The method of claim 1, The number of list items of the additional information is The method of displaying additional information in a digital broadcast receiver, characterized in that the user is configured to change more or less than previously set number of list items in response to a request. The method of claim 2, The additional information, The method of displaying additional information in a digital broadcast receiver, characterized in that it is one of channel list information, timer information, or stored program information of a broadcast.

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