KR19990019258A - Program information display system - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television capable of displaying program information of another channel with subtitles when watching a predetermined program, and receives a signal transmitted from a broadcasting station including a KBPS code through a predetermined tuner and outputs it on a CRT. A key input means for outputting a program information display mode signal of a television, a broadcast signal detecting means for receiving a broadcast signal of a channel according to the input tuning signal, and a KBPS code in a broadcast signal received through the broadcast signal detecting means A KBPS detection unit, an OSD unit for outputting specific character information on the CRT in response to an input operation control signal, and a tuner for selecting channel selection signals for each channel in a predetermined order when there is a program information display mode signal input from a key input unit. OSD unit to output an operation control signal corresponding to the signal output from the KBPS detection unit The program information display system allows the program information of other channels to be output as subtitles on the screen of the television. Since it is possible to know the program information of other channels, there is an effect that you do not have to switch channels or search newspapers.

Description

Program information display system

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the display of program titles and times on television, and in particular, when the user is watching a given program, the title and broadcast start time of the program being broadcast on another channel are displayed by subtitles. The present invention relates to a system for displaying program information of a television, which can prevent a user from having to switch channels in order to know a title and a broadcast time.

In general, viewers are pursuing home automation, which is being realized more by technological advancement. For example, consumers are pursuing the convenience of watching television, such as a remote control television that can remotely control a television. .

In addition, modern people have a strong tendency to be specialized and specialized, in order to satisfy them, they are privatized in addition to monolithic conventional radio television broadcasts, which handle only specific broadcast programs (eg music, news, movies, ...). Television (hereinafter referred to as CATV) broadcasting has been started, which has resulted in a very large number of broadcasting channels.

Therefore, in order to learn this in the flood of information and to enjoy his mental pleasures, among the programs of many channels mentioned above, the user will watch the channel he wishes to watch, and the especially preferred program is completely from the start time. I want to watch.

However, in the conventional television, while the viewer is watching a program of a specific channel received from a broadcasting station, the viewer cannot know the title and the start time of the program broadcast on the other channel. In order to obtain the channel, a predetermined key formed on the remote controller and the key panel was pressed to switch channels or to purchase a newspaper and the like to check the title and start time of a program of another channel broadcasted in the corresponding time zone.

As a result, the viewer has a hassle to operate a plurality of keys in order to check a program being broadcast on another channel, and the viewer has to find a newspaper to know the title and start time of the broadcast program. Discomfort occurred for.

In addition, the method of searching for television program information in a plurality of key operations or newspapers as described above is unable to view a portion of the program being watched due to channel switching or reading a newspaper as described above. There was a problem of being disconnected, and if the newspaper could not be found, it was necessary to know the program information of other channels depending on the channel switching of the user, so that the user could not tune into the desired channel at the start time without knowing the exact start time of the program to watch. There was a problem that can not be completely watched the program to be generated.

For this reason, there has been a problem in that the complaints of the viewers watching the TV increase in the related art.

The present invention for solving the above problems is to display the title and the broadcast start time of the program being broadcast on another channel with subtitles while watching a predetermined program, the title and broadcast of the program that the user is broadcasting on another channel It is an object of the present invention to provide a program title and time display method of a television that can prevent the hassle of switching channels in order to know the time.

1 is a block diagram showing a program information display system according to the present invention.

* Explanation of symbols for main parts of the drawings

10a, 10b: Tuner 15: KBPS detection unit

20: IF detector 30: P / S separation unit

35: speaker 40: voice processing unit

50: image processing unit 60: OSD unit

70: key panel 80: remote control

90: remote control key signal input unit 200: control unit

A feature of the present invention for achieving the above object is a key input means for outputting a program information display mode signal in a television that receives a signal transmitted from a broadcasting station including a KBPS code through a predetermined tuner and outputs it on a CRT. And a broadcast signal detecting means for receiving a broadcast signal of a channel according to an input channel signal, a KBPS detector for detecting a KBPS code from a broadcast signal received through the broadcast signal detecting means, and an input operation control signal. An OSD unit for outputting specific character information on the CRT, and a channel information signal for each channel in a predetermined order with a tuner if there is a program information display mode signal input from the key input unit, and corresponds to a signal output from the KBPS detection unit. Outputting the operation control signal to the OSD; The program information to provide a program information display system to output a subtitle.

An additional feature of the present invention for achieving the above object is that the control unit outputs a channel selection signal of the selected channel if a predetermined channel tuning signal input for a predetermined time after the program information display mode signal is output from the key input means; If there is no channel tuning signal input, the channel tuning signals of all channels are output in a predetermined order.

In addition, another additional feature of the present invention is that the controller outputs an operation control signal corresponding to the KBPS signal within a predetermined time range before and after the current time from the signal output from the KBPS detector to the OSD unit.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

In the embodiment of the present invention, the title and start time of a program use a Korean Broadcast Program System (KBPS) code added to a signal transmitted from a broadcasting station.

The KBPS code will be briefly described. A broadcaster code for transmitting a television broadcast, a title code of a scheduled program, a broadcast time code, and various information other than the broadcast program are transmitted together with a video signal at predetermined intervals by a broadcast station. Quickly send out a KBPS code that is different from the previous KBPS code for any change caused by circumstances.

1 is a block diagram showing a configuration of a television including an information display system of another channel program according to the present invention.

The television receives a radio frequency signal including a KBPS code transmitted from a broadcasting station through an antenna ANT, and the channel selected by the user in a radio frequency signal received through the antenna ANT by an input tuning signal. Tuners 10a and 10b for extracting a frequency band, a KBPS detector 15 for detecting only a KBPS code from a broadcast signal of a channel tuned by the tuner 10a, and a channel tuned through the tuner 10b. The IF detector 20 detects an intermediate frequency according to the local oscillation signal in the frequency band signal, and the image signal P and the audio signal S are separated from the signal output from the IF detector 20, respectively. P / S separation unit 30 for outputting to the output stage, and the voice processing unit 40 for receiving and demodulating the audio signal output from the P / S separation unit 30 to the outside through the speaker 35 and , Exit from the P / S separation unit 30 After receiving the output image signal P, the luminance signal and the color signal are separated, and each color band is extracted from the color signal, demodulated and transmitted to the CRT driver, according to the image processing unit 50 and the input operation control signal. An OSD (On Screen Display) unit 60 for outputting a predetermined signal to the image processing unit 50 so that a display corresponding to the operation control signal is overlapped on the CRT screen, and various operation modes of the television; A key panel 70 for selecting (program information display, tuning, volume adjustment, screen adjustment, child lock setting and release, etc.), a remote control 80 for remotely controlling various operation modes of the television, and the remote control A remote control key signal input unit 90 for receiving a signal output from the 80 and outputting a signal according thereto, and a television according to a signal output from the key panel 70 or the remote control key signal input unit 90. The controller 200 is configured to perform a corresponding function by operating a specific device constituting the control unit and to control the above-described components.

The operation of the television having the above-described configuration will be described in more detail below in accordance with the program information display system of the present invention.

When the user selects a specific channel by using the key panel 70 or the remote controller 80 to watch a specific program, the controller 200 based on the signal output from the key panel 70 or the remote controller 80. The tuner 10b outputs a channel selection signal corresponding to the channel selected by the user.

The tuner 10b detects a predetermined frequency band according to the input channel tuning signal, and the signal detected by the tuner 10b is input to the IF detector 20 to detect an intermediate frequency among the signals of the predetermined frequency band. .

The signal output from the IF detector 20 is divided into an image signal P and an audio signal S by the P / S separation unit 30, and the image signal P is input to the image processor 50. After the predetermined process is output to the CRT. In addition, the voice signal S output from the P / S separation unit 30 is output to the outside through the speaker 35 through a predetermined process in the voice processing unit 40.

As described above, when the viewer selects a program information display mode by using the key panel 70 or the remote controller 80 while watching a specific program, the controller 200 may schedule a schedule from the key panel 70 or the remote controller 80. It is determined whether there is a specific channel tuning signal input during the time.

The controller 200 outputs a channel selection signal corresponding to the input channel to the tuner 10a when there is a specific channel tuning signal input according to the above-described determination process. The preset tuning signal is output to the tuner 10a in a predetermined order.

As described above, the tuner 10a selects a channel corresponding to the input tuning signal by the tuning signal input from the controller 200.

The broadcast signal detected by the tuner 10a is input to the KBPS detector 15, and the KBPS code added to each channel is detected and input to the controller 200 while passing through the KBPS detector 10. .

The controller 200 detects a title and a broadcast time of a program broadcast within a predetermined time before and after the current time from the input KBPS code, and outputs a corresponding operation control signal to the OSD unit 60. The OSD unit 60 In the present invention, a text signal corresponding to an input operation control signal, that is, a signal corresponding to a title and a start time of another channel program is output to the image processor 50.

The image processing unit 50 processes the input image signal through a predetermined processing process and outputs the image signal to the CRT driving unit so that the program information of the other channel overlaps a predetermined portion on the CRT screen of the television on which the video signal of a specific channel is output. Is output.

Therefore, according to the present invention, the user can know the program title and the broadcast time of the other channel with a simple key operation while watching the program of the specific channel, so that the user does not have to switch channels or search newspapers to know the program information of the other channel. .

According to the present invention operated as described above, the user can simply operate the remote control or key panel while watching a specific program to know the program title and the broadcast time of the other channel through the subtitles on the CRT. There is no need to switch channels or find newspapers in order to know the airing time, and the disconnection of the program being watched is not interrupted, thereby greatly improving the user's satisfaction with watching TV. .

Claims (3)

In a television that receives a signal transmitted from a broadcasting station including a KBPS code through a predetermined tuner and outputs it on a CRT, Key input means for outputting a program information display mode signal; Broadcast signal detecting means for receiving a broadcast signal of a channel according to an input channel signal; A KBPS detector for detecting a KBPS code from the broadcast signal received through the broadcast signal detection means; An OSD unit for outputting specific character information on the CRT according to an input operation control signal; When a program information display mode signal is input from the key input means, a predetermined channel tuning signal is output to the tuner, and an operation control signal corresponding to the signal output from the KBPS detection unit is output to the OSD unit. A program information display system for causing program information of other channels to be output as subtitles. The method of claim 1, wherein the control unit outputs a channel selection signal of the selected channel if a predetermined channel tuning signal input is input for a predetermined time after the program information display mode signal is output from the key input unit, and all channels if there is no channel tuning signal input. And a channel selection signal is output in a predetermined order. The system of claim 1, wherein the controller outputs an operation control signal corresponding to a KBPS signal within a predetermined time range before and after the current time from the signal output from the KBPS detector to the OSD unit.