KR19990050610A - How to display the name of the station when changing the channel of broadcasting - Google Patents

Abstract

The present invention relates to a method for notifying a channel change in a television broadcast receiving apparatus that receives a broadcast signal of a channel selected by an inputted tuning voltage from an antenna ANT and displays it on a screen. If it is determined that the receiving channel should be changed by determining which channel the user wants to change from the receiving channel to the other channel, the receiving channel is changed to the corresponding channel and loaded on the vertical synchronization signal of the broadcast signal received through the changed channel. When a broadcast receiving channel is changed, the method of displaying a corresponding broadcasting station name is provided. The user can guide a specific program using a newspaper as a medium. Refer to the channel you wish to watch There is an effect that without going through the process of channel change times can also find channels for their viewing to.

Description

Display method of network ID of changing channel when changing broadcast receiving channel

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver, and in particular, when a channel is changed, a broadcast station for detecting an ID of a broadcasting station corresponding to a changed channel and displaying a corresponding character on a screen through an OSD to notify a user of the broadcasting channel is displayed. It is about a method.

In general, the configuration of a typical television broadcast receiver for receiving and providing a television broadcast program to a user is shown in FIG. The microcomputer 200 which controls the overall operation of the TV by the operation of the key input unit 220, and the tuner which receives the broadcast signal of the channel selected by the tuning voltage output from the microcomputer 200 from the antenna ANT. An IF detector 300 for detecting an intermediate frequency from the broadcast signal received by the tuner 100 and outputting a composite video signal CVBS, and a composite image output from the IF detector 300. It receives the signal and processes the video and audio signals separately, and outputs the separated video and audio signals, and receives and amplifies the audio signals output from the chroma IC 400 and provides them to the speaker SP. The amplification unit 600, the CRT driver 500 for receiving the image signal processed and output from the chroma IC 400 and displaying the same on the CRT, and the microcomputer 200 in accordance with the operation of the system. The notification character or option OSD generation unit 800 for displaying menus and the like is composed of.

Referring to the operation of a general TV configured as described above, when the user controls the key input unit 220 to select a specific channel, the tuner 100 receives the corresponding broadcast channel through the antenna ANT to detect the IF. Forward to 300. The IF detector 300 detects an intermediate frequency from the received broadcast signal and outputs a composite video signal. Thereafter, the user can watch the broadcast selected by the user through the CRT and the speaker SP by the operation of the chroma IC 400.

At this time, the user generally recognizes the MBC as CH11, KBS1 as CH9, and KBS2 as CH7.

However, in the case of the above-mentioned cases, the number of broadcast channels is not relevant, but many cases have recently been reset regardless of channels previously recognized under the influence of local civil service or cable broadcasting.

Accordingly, a problem arises in that a user feels considerable difficulty in proceeding to a channel that he wishes to watch by referring to a specific program guide using a newspaper as a medium. In addition, although the changed channel (for example, the form of 'CH 5') is displayed on the OSD when the channel is changed, this cannot solve the root of the above-mentioned problem.

An object of the present invention for solving the above problems is to change the broadcast channel to detect the ID of the broadcasting station corresponding to the changed channel when the channel is changed and display the corresponding character on the screen through the OSD to inform the user The present invention provides a method of expressing a corresponding broadcasting station.

1 is a block diagram illustrating a general television receiver.

2 is an exemplary block diagram of a television receiver according to the present invention.

3 is a flowchart illustrating a process of expressing a corresponding broadcasting station name when changing a broadcasting reception channel according to the present invention.

<Explanation of symbols for main parts of the drawings>

100: tuner 200: micom

220: key input unit 300: IF detector

400: Chroma IC 500: CRT drive unit

600: amplification unit 700: network ID detection unit

800: OSD generator SP: speaker

ANT: Antenna

A feature of the present invention for achieving the above object is a method for notifying a channel change in a television broadcast receiving apparatus for receiving a broadcast signal of a channel selected by an input tuning voltage from an antenna ANT and displaying it on a screen. In the first step of determining which channel the user wants to change the receiving channel from the channel currently receiving any broadcast program, and if it is determined that the receiving channel should be changed through the first process A second process of detecting a network ID included in the vertical synchronization signal of the broadcast signal received through the changed channel, and changing text data different from the network ID detected in the second process into OSD characters by It involves the third process of expression.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is an exemplary block diagram of a television receiver according to the present invention. The microcomputer 200 generally controls the operation of the TV by the operation of the key input unit 220 and the preset voltage output from the microcomputer 200. A tuner 100 for receiving the broadcast signal of the channel selected by the antenna ANT, and an IF detector for detecting the intermediate frequency from the broadcast signal received by the tuner 100 and outputting a composite video signal CVBS ( 300, a chroma IC 400 that receives the composite video signal output from the IF detector 300, processes the video and audio signals separately, and outputs the separated video and audio signals, and the chroma IC 400. An amplification unit 600 for receiving and amplifying the audio signal output from the amplification unit 600 and providing the amplified audio signal to the speaker SP, and a CRT driving unit 500 for receiving an image signal processed and output from the chroma IC 400 and displaying it on a CRT. And the second of the microcomputer 200. In accordance with the operating conditions of the system according to the operating system OSD display unit (800) to display the text indicating the letter or option, and the vertical synchronization signal of the broadcast signal received through the changed channel when the channel is changed by the user A network ID detection unit 700 detects a network ID, that is, data relating to a broadcast station name, and provides the network ID to the microcomputer 200.

Referring to Figure 3 attached to the broadcast station name display process in the television receiver according to the present invention configured as described above are as follows.

3 is a flowchart illustrating a process of expressing a broadcast station name when a broadcast reception channel is changed according to the present invention.

In step S101, the microcomputer 200 determines whether the user wants to change a channel from a channel currently receiving any broadcast program through the key input unit 220 to another channel.

At this time, if it is determined in step S101 that the channel change request is input, the process proceeds to step S102. In step S102, the microcomputer 200 changes the reception channel to the corresponding channel according to the user's request and then the network ID detection unit 700. ) To detect the network ID, that is, data related to the broadcast station name, included in the vertical synchronization signal of the broadcast signal received through the changed channel.

On the basis of the network ID detected in step S102, character data is generated in step S103, and is converted into OSD characters in step S104 to be output through the OSD generating unit 800. At the same time as the operation of step S104, in step S105, it is determined whether the predetermined predetermined display time has elapsed, and when it is determined that the predetermined time has elapsed, the flow proceeds to step S106 to delete the name of the broadcasting station currently being displayed as OSD characters on the screen. .

When a broadcast station name presentation method is provided when a broadcast reception channel is changed according to the present invention operating as described above, a user may refer to a specific program guide using a newspaper as a medium to proceed to a channel that he / she wishes to watch. There is an effect that you can find a channel for viewing without going through the channel change process.

Claims (1)

A notification method for changing a channel in a television broadcast receiving apparatus for receiving a broadcast signal of a channel selected by an inputted tuning voltage from an antenna ANT and displaying the same on a screen. A first step of determining which channel the user wants to change from a channel currently receiving a broadcast program to another channel; A second step of changing a reception channel to a corresponding channel and detecting a network ID carried in a vertical synchronization signal of a broadcast signal received through the changed channel if it is determined that the reception channel should be changed through the first step; And And a third process of changing and displaying text data different from the network ID detected in the second process into OSD characters.