KR100299982B1 - Digital tv receiver and method for automatically changing channel using epg(electronic program guide) reservation function - Google Patents

Digital tv receiver and method for automatically changing channel using epg(electronic program guide) reservation function Download PDF

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Publication number
KR100299982B1
KR100299982B1 KR1019980011306A KR19980011306A KR100299982B1 KR 100299982 B1 KR100299982 B1 KR 100299982B1 KR 1019980011306 A KR1019980011306 A KR 1019980011306A KR 19980011306 A KR19980011306 A KR 19980011306A KR 100299982 B1 KR100299982 B1 KR 100299982B1
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South Korea
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channel
digital
receiver
epg
program
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KR1019980011306A
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Korean (ko)
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KR19990076380A (en
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서영주
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윤종용
삼성전자 주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H04N21/4821—End-user interface for program selection using a grid, e.g. sorted out by channel and broadcast time

Abstract

PURPOSE: A digital TV receiver and a method for automatically changing channel using an EPG(Electronic Program Guide) reservation function are provided to show program of reserved channel by automatically changing the channel at a reserved time even though a power source is turned off or a viewer watches program of other channel. CONSTITUTION: A digital TV receiver for automatically changing channel using an EPG(Electronic Program Guide) reservation function includes a TS(Transport Stream) decoder(17) for outputting EPG data and a controller(10). The controller controls the digital TV receiver, stores EPG data received from the TS decoder, automatically changes channel by checking a timer mounted within, checking a status of the digital TV receiver if it is the reserved time of a channel reserved using the EPG, and showing program of the reserved channel.

Description

ＥＰＧ예약기능을 이용하여 채널을 자동으로 절환하는 디지탈ＴＶ수상기 및 그 방법Digital TV set and method for automatically switching channels using EP reservation function

본 발명은 아날로그방송신호 및 디지탈방송신호의 수신이 가능한 디지탈TV수상기에 관한 것으로, 보다 상세하게는 EPG(Electronic Program Guide;전자프로그램가이드)예약기능을 이용하여 채널을 자동으로 절환하여 예약채널에 대한 프로그램을 현시되는 디지탈TV수상기 및 그 방법에 관한 것이다.The present invention relates to a digital TV receiver capable of receiving an analog broadcast signal and a digital broadcast signal. More particularly, the present invention relates to a reserved channel by automatically switching channels using an EPG (Electronic Program Guide) reservation function. A digital TV receiver for presenting a program and a method thereof.

일반적인 아날로그방송신호(NTSC/CABLE방송신호) 및 디지탈방송신호의 수신이 가능한 적어도 둘 이상의 수신모드를 지닌 디지탈TV수상기는 데이터서비스의 하나로서 프로그램표나 각 프로그램의 내용에 관한 정보를 제공하는 EPG를 제공한다. 이러한 EPG는 데이터로 전송되는 채널번호, 채널명, 프로그램명, 스케줄 등의 프로그램표를 화면상에 현시한다. 사용자는 화면상에 현시되는 EPG의 프로그램표에서 커서 등의 조작을 이용하여 직접 선국이나 시청예약 등의 조작을 할 수 있다.A digital TV receiver having at least two reception modes capable of receiving a general analog broadcast signal (NTSC / CABLE broadcast signal) and a digital broadcast signal is provided as an data service and provides an EPG that provides a program table or information on the contents of each program. do. The EPG displays program tables such as channel numbers, channel names, program names, and schedules transmitted as data on the screen. The user can directly perform tuning, viewing reservation, or the like by using an operation such as a cursor in the program table of the EPG displayed on the screen.

본 발명에서는 이러한 EPG를 통한 시청하고자하는 채널예약기능을 이용하여 예약된 시각이 되면 전원 오프(off)시나 다른 채널을 시청하고 있더라도 예약된 채널로 자동절환하여 예약채널에 대한 프로그램을 현시하는 디지탈TV수상기 및 그 방법을 제공하고자 한다.In the present invention, when the reserved time is reached by using the channel reservation function to be watched through the EPG, the digital TV which automatically switches to the reserved channel and displays the program for the reserved channel even when the power is off or watching another channel. It is intended to provide a receiver and a method thereof.

도 1은 본 발명에 따른 디지탈TV수상기의 개략적인 구성을 나타낸 블록도,1 is a block diagram showing a schematic configuration of a digital TV receiver according to the present invention;

도 2는 본 발명에 따른 디지탈TV수상기의 동작을 설명하기위한 흐름도.2 is a flowchart for explaining the operation of the digital TV receiver according to the present invention;

<도면의 주요부분에 대한 설명><Description of main parts of drawing>

10 : 제어부 11 : DTV튜너10 control unit 11: DTV tuner

12 : NTSC/CABLE TV튜너 13 : 스위치부12 NTSC / CABLE TV tuner 13 switch unit

14, 15 : IF처리부 16 : 채널디코더14, 15: IF processor 16: channel decoder

17 : TS디코더 18 : 영상신호처리부17: TS decoder 18: video signal processing unit

19 : 포맷변환부 20 : 편향처리부19: format conversion unit 20: deflection processing unit

이와 같은 목적을 달성하기 위한 본 발명의 특징은 적어도 둘 이상의 방송신호를 수신할 수 있으며 EPG(Electronic Program Guide;전자프로그램가이드)예약기능을 지닌 디지탈TV수상기에 있어서, EPG데이터를 출력하는 TS(Transport Stream)디코더; 및 상기 디지탈TV수상기를 제어하고, 상기 TS디코더로부터 EPG데이터를 입력받아 저장하며, 내장한 타이머를 체크하여 EPG를 이용한 시청채널의 예약에 따른 예약시각이 되면 상기 디지탈TV수상기의 상태를 체크한 후 예약된 채널에 대한 프로그램을 현시하기 위해 채널을 자동절환하는 제어부를 구비함으로써 EPG예약기능을 이용하여 채널을 자동으로 절환하는 디지탈TV수상기에 있다.A feature of the present invention for achieving the above object is a TS (Transport) for outputting EPG data in a digital TV receiver capable of receiving at least two broadcast signals and having an EPG (Electronic Program Guide) reservation function. Stream) decoder; And controlling the digital TV receiver, receiving and storing EPG data from the TS decoder, checking a built-in timer, and checking a state of the digital TV receiver when a reservation time according to a reservation of a viewing channel using an EPG is reached. A digital TV receiver for automatically switching channels using an EPG reservation function by including a control unit for automatically switching channels to display a program for a reserved channel.

이와 같은 목적을 달성하기 위한 본 발명의 다른 특징은 적어도 둘 이상의 방송신호를 수신할 수 있으며 EPG예약기능을 지닌 디지탈TV수상기를 이용하여 채널을 절환하는 방법에 있어서, 시청예약기능의 선택신호를 입력받는 단계; EPG데이터를 입력받아 EPG를 스크린에 현시하는 단계; 현시된 EPG에서 시청을 원하는 채널정보가 선택되면, 선택된 채널정보를 저장하는 단계; 상기 저장한 채널정보로부터 예약시각을 체크하고, 예약시각이면 상기 디지탈TV수상기의 상태를 체크하는 단계; 및 상기 디지탈TV수상기의 상태를 체크한 결과, 전원이 온(on)상태이고, 시청중인 채널이 상기 채널정보로부터의 예약채널과 다른 채널이면 예약채널로 자동 절환함으로써 시청예약된 채널의 프로그램이 현시되는 EPG예약기능을 이용하여 채널을 자동 절환하는 방법에 있다.Another feature of the present invention for achieving the above object is to receive at least two broadcast signals, and in the method for switching channels using a digital TV receiver having an EPG reservation function, inputting the selection signal of the viewing reservation function Receiving step; Receiving the EPG data and displaying the EPG on the screen; Storing the selected channel information when channel information desired to be viewed in the manifested EPG is selected; Checking a reservation time from the stored channel information, and checking a state of the digital TV receiver if a reservation time; And as a result of checking the state of the digital TV receiver, when the power is on and the channel being watched is different from the reserved channel from the channel information, the program of the reserved channel is automatically displayed by switching to the reserved channel. It is a method of automatically switching channels using the EPG reservation function.

첨부한 도면들을 참조하여 본 발명을 구현한 바람직한 실시 예를 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명에 따른 디지탈TV수상기의 개략적인 구성을 나타낸 블록도이다. 도 1의 디지탈TV수상기는 디지탈TV수상기를 전반적으로 제어하고, EPG데이터를 입력받아 저장하며 내장된 타이머를 이용하여 시청채널예약된 예약시각이 되면 자동으로 채널을 절환하는 제어부(10)를 포함한다. 또한, 디지탈TV수상기는 안테나를 통하여 디지탈방송신호와 아날로그방송신호를 수신하여 IF신호를 출력하는 디지탈TV(DTV)튜너(11)와 NTSC/CABLE TV튜너(12)를 포함한다. DTV튜너(11)와 NTSC/CABLE TV튜너(12)의 출력단에는 DTV튜너(11)와 NTSC/CABLE TV튜너(12)의 출력을 스위칭하여 출력하는 스위치부(13)가 연결된다. 스위치부(13)의 출력단에는 디지탈방송신호에 대해 입력받는 IF신호를 베이스밴드로 처리하여 출력하는 제 1IF처리부(14), 입력받는 신호를 오류 검출 및 정정하여 출력하는 채널디코더(16)가 순서대로 연결된다. 채널디코더(16)의 출력단에는 채널디코더(16)의 출력신호에서 영상데이터를 분리하여 출력하고 EPG데이터를 제어부(10)로 출력하는 TS(Transport Stream)디코더(17)가 연결된다. 또한, 스위치부(13)의 출력단에는 아날로그방송신호에 대해 입력받는 IF신호를 베이스밴드로 처리하여 출력하는 제 2IF처리부(15) 및 입력받는 신호에 대한 색상 밝기 명암 등의 레벨을 조절하고 A/D변환하여 출력하는 영상신호처리부(18)가 차례로 연결된다. TS디코더(17)와 영상신호처리부(18)의 각 출력단에는 입력받는 영상데이터를 미리 설정된 디스플레이타입으로 포맷변환하여 출력하는 포맷변환부(19)가 연결된다. 포맷변환부(19)의 출력단에는 입력받는 영상신호에서 수평 및 수직동기신호를 분리하여 CRT로 출력하고, 또한 CRT의 편향코일에 흐르는 톱날파 전류를 발생하여 CRT로 출력하는 편향처리부(20)가 연결된다.1 is a block diagram showing a schematic configuration of a digital TV receiver according to the present invention. The digital TV receiver of FIG. 1 includes a controller 10 for controlling the digital TV receiver as a whole, receiving and storing EPG data, and automatically switching channels when a reserved time is reserved for a viewing channel using a built-in timer. . In addition, the digital TV receiver includes a digital TV (DTV) tuner 11 and an NTSC / CABLE TV tuner 12 for receiving a digital broadcast signal and an analog broadcast signal through an antenna and outputting an IF signal. An output terminal of the DTV tuner 11 and the NTSC / CABLE TV tuner 12 is connected to a switch 13 for switching and outputting the outputs of the DTV tuner 11 and the NTSC / CABLE TV tuner 12. At the output end of the switch unit 13, a first IF processor 14 for processing and outputting an IF signal received for a digital broadcast signal as a baseband, and a channel decoder 16 for detecting and correcting an error of the input signal are output. Are connected. The output terminal of the channel decoder 16 is connected to a TS (Transport Stream) decoder 17 which separates and outputs image data from an output signal of the channel decoder 16 and outputs EPG data to the controller 10. In addition, the output terminal of the switching unit 13 adjusts the level of the second IF processing unit 15 for processing the IF signal received for the analog broadcast signal as a baseband and outputs the color brightness and contrast of the received signal, and adjusts A / A. The video signal processor 18 which converts and outputs D is sequentially connected. Each output terminal of the TS decoder 17 and the image signal processing unit 18 is connected to a format conversion unit 19 for converting and outputting the input image data into a preset display type. At the output end of the format converter 19, a deflection processor 20 which separates horizontal and vertical synchronization signals from an input video signal and outputs them to the CRT, and generates and outputs sawtooth wave current flowing through the deflection coil of the CRT to the CRT. Connected.

이와 같이 구성된 본 발명에 따른 디지탈TV수상기의 동작에 대해 도시한 도 2를 참조하여 알아보도록 한다.The operation of the digital TV receiver according to the present invention configured as described above will be described with reference to FIG. 2.

도 2는 본 발명에 따른 디지탈TV수상기의 동작을 설명하기위한 흐름도이다2 is a flowchart illustrating the operation of the digital TV receiver according to the present invention.

먼저, 사용자가 미도시한 리모콘 등과 같은 키입력부를 통하여 디지탈방송신호에 대한 시청채널을 예약하고자 하면, 키입력부를 통한 시청채널의 예약기능에 대한 신호는 제어부(10)로 입력된다(201단계). 201단계 수행 후, 제어부(10)는 TS디코더(17)를 제어하여 EPG데이터를 입력받아(202단계) CRT상의 스크린에 EPG를 현시한다(203단계). 사용자는 스크린에 현시된 EPG의 프로그램표를 보고 키입력부를 이용하여 시청예약하고자 하는 채널번호, 채널명, 프로그램명, 스케줄 등의 채널정보를 선택하고, 이 채널정보에 대한 선택신호는 제어부(10)로 입력된다(204단계). 그러면, 제어부(10)는 입력받는 선택신호에 따라 EPG데이터에서 사용자의 시청예약된 채널정보를 저장하고(205단계), 내장된 타이머를 이용하여 시청예약된 시각인지를 체크한다(206단계). 이 때 사용자는 시청채널을 예약한 후 다른 채널의 프로그램을 시청할 수도 있고, 시스템의 전원을 오프시킬 수도 있다. 206단계에서 시청예약의 시각을 체크한 결과, 시청예약된 시각이 아니면 제어부(10)는 다시 시각을 체크하고, 체크결과 시청예약된 시각이면 제어부(10)는 시스템의 상태를 체크한다(207단계). 즉, 제어부(10)는 시스템의 전원이 오프상태인지, 사용자가 다른 채널을 시청하고 있는 지를 체크한다. 207단계 체크결과, 시스템의 전원이 온(on)상태이고, 사용자가 예약채널과 다른 채널을 시청하고 있다면 제어부(10)는 시청예약된 채널로 자동절환한 후(208단계), 저장된 채널정보를 이용하여 예약채널에 대한 프로그램을 스크린에 현시한다(209단계). 만일, 207단계 체크결과, 시스템의 전원이 오프상태이면, 제어부(10)는 시스템의 전원을 온상태로 한 후(210단계) 209단계를 수행한다. 또한, 207단계 체크결과, 시스템의 전원이 온상태이고, 사용자가 예약된 채널과 동일한 채널을 시청하고 있다면 제어부(10)는 시스템에 다른 조작 즉, 채널을 절환한다거나 전원을 온상태로하는 조작을 하지않고, 스크린에는 현 시청중인 채널의 프로그램이면서 예약채널의 프로그램이 현시된다.First, when a user wants to reserve a viewing channel for a digital broadcasting signal through a key input unit such as a remote controller (not shown), the signal for the reservation function of the viewing channel through the key input unit is input to the controller 10 (step 201). . After performing step 201, the controller 10 controls the TS decoder 17 to receive the EPG data (step 202) and to display the EPG on the screen on the CRT (step 203). The user views the program table of the EPG displayed on the screen and selects channel information such as channel number, channel name, program name, schedule, etc. to be reserved for viewing by using the key input unit, and the selection signal for the channel information is controlled by the controller 10. Is input (step 204). Then, the controller 10 stores the user's viewing reserved channel information in the EPG data according to the input selection signal (step 205), and checks whether the viewing time is reserved using the built-in timer (step 206). At this time, the user may reserve a viewing channel and then watch a program of another channel or turn off the system. As a result of checking the viewing reservation time in step 206, if the viewing reservation time is not the same, the controller 10 checks the time again. If the viewing result is viewing viewing time, the controller 10 checks the state of the system (step 207). ). That is, the controller 10 checks whether the power of the system is off or whether the user is watching another channel. In step 207, if the system is turned on and the user is watching a channel different from the reserved channel, the controller 10 automatically switches to the reserved channel (step 208) and stores the stored channel information. The program for the reserved channel is displayed on the screen (step 209). If it is determined in step 207 that the system is turned off, the controller 10 turns on the system (step 210) and then performs step 209. If the system is turned on and the user is watching the same channel as the reserved channel, the controller 10 performs another operation on the system, that is, switching the channel or turning on the power. Instead, the screen shows the program of the channel currently being watched and the reserved channel program.

상술한 바와 같이, 본 발명에 따른 디지탈TV수상기는 시청예약시각이 되면 채널이 자동으로 절환되거나 전원 오프시 온상태가 되어 예약프로그램이 현시되므로, 사용자는 시청하고 싶은 프로그램을 놓치지않고 시청할 수 있는 잇점이 있다.As described above, the digital TV receiver according to the present invention is switched on when the viewing time of the viewing time is automatically switched on or when the power off, the reservation program is manifested, the user can watch the program without missing a desired program There is this.

Claims (8)

적어도 둘 이상의 방송신호를 수신할 수 있으며 EPG(Electronic Program Guide;전자프로그램가이드)예약기능을 지닌 디지탈TV수상기에 있어서,In a digital TV receiver capable of receiving at least two broadcast signals and having an EPG (Electronic Program Guide) reservation function, EPG데이터를 출력하는 TS(Transport Stream)디코더; 및A TS (Transport Stream) decoder for outputting EPG data; And 상기 디지탈TV수상기를 제어하고, 상기 TS디코더로부터 EPG데이터를 입력받아 저장하며, 내장한 타이머를 체크하여 EPG를 이용한 시청채널의 예약에 따른 예약시각이 되면 상기 디지탈TV수상기의 상태를 체크한 후 예약된 채널에 대한 프로그램을 현시하기 위해 채널을 자동절환하는 제어부를 구비함으로써 EPG예약기능을 이용하여 채널을 자동으로 절환하는 디지탈TV수상기.Control the digital TV receiver, receive and store the EPG data from the TS decoder, check the built-in timer and check the status of the digital TV receiver when the reservation time according to the reservation of the viewing channel using the EPG is reserved. A digital TV receiver for automatically switching channels by using an EPG reservation function by including a control unit for automatically switching channels in order to display a program for a predetermined channel. 제 1항에 있어서, 상기 디지탈TV수상기의 상태를 체크하는 것은 상기 예약시각일 때 상기 디지탈TV수상기의 전원이 온(on)상태인지 오프(off)상태인지를 체크하며 시청중인 채널이 예약채널과 동일한 채널인지 다른 채널인지를 체크하는 것을 특징으로 하는 디지탈TV수상기.The method of claim 1, wherein the checking of the state of the digital TV receiver checks whether the power of the digital TV receiver is on or off at the time of the reservation. Digital TV receiver characterized in that it is checked whether the same channel or different channels. 제 2항에 있어서, 상기 디지탈TV수상기의 전원이 오프상태이면 상기 제어부는 상기 디지탈TV수상기의 전원을 온상태로 한 후 예약된 채널에 대한 프로그램을 현시하는 것을 특징으로 하는 디지탈TV수상기.The digital TV receiver according to claim 2, wherein when the power of the digital TV receiver is turned off, the control unit turns on the power of the digital TV receiver and displays a program for a reserved channel. 제 2항에 있어서, 상기 시청중인 채널이 예약채널과 동일한 채널이면 시청중인 채널의 프로그램이면서 예약채널에 대한 프로그램이 현시되고, 다른 채널이면 예약채널로 자동 채널절환이 이루어져 예약채널에 대한 프로그램이 현시되는 것을 특징으로 하는 디지탈TV수상기.According to claim 2, wherein if the channel being watched is the same channel as the reserved channel, the program of the channel being watched and the program for the reserved channel is manifested, and if the other channel is automatically channel switching to the reserved channel is displayed the program for the reserved channel Digital TV receiver, characterized in that. 적어도 둘 이상의 방송신호를 수신할 수 있으며 EPG예약기능을 지닌 디지탈TV수상기를 이용하여 채널을 절환하는 방법에 있어서,In the method for receiving at least two broadcast signals and switching channels using a digital TV receiver having an EPG reservation function, 시청예약기능의 선택신호를 입력받는 단계;Receiving a selection signal of a viewing reservation function; EPG데이터를 입력받아 EPG를 스크린에 현시하는 단계;Receiving the EPG data and displaying the EPG on the screen; 현시된 EPG에서 시청을 원하는 채널정보가 선택되면, 선택된 채널정보를 저장하는 단계;Storing the selected channel information when channel information desired to be viewed in the manifested EPG is selected; 상기 저장한 채널정보로부터 예약시각을 체크하고, 예약시각이면 상기 디지탈TV수상기의 상태를 체크하는 단계; 및Checking a reservation time from the stored channel information, and checking a state of the digital TV receiver if a reservation time; And 상기 디지탈TV수상기의 상태를 체크한 결과, 전원이 온(on)상태이고, 시청중인 채널이 상기 채널정보로부터의 예약채널과 다른 채널이면 예약채널로 자동 절환함으로써 시청예약된 채널의 프로그램이 현시되는 EPG예약기능을 이용하여 채널을 자동 절환하는 방법.As a result of checking the state of the digital TV receiver, if the power is on and the channel being watched is different from the reserved channel from the channel information, the program of the reserved channel is displayed by automatically switching to the reserved channel. How to automatically switch channels using EPG reservation function. 제 5항에 있어서, 상기 채널정보는 채널번호, 채널명, 프로그램명, 스케줄인 것을 특징으로 하는 EPG예약기능을 이용하여 채널을 자동 절환하는 방법.6. The method of claim 5, wherein the channel information is a channel number, a channel name, a program name, and a schedule. 제 5항에 있어서, 상기 제 4단계에서 예약시각을 체크한 후 예약시각이 아니면 계속 예약시각을 체크하는 것을 특징으로 하는 EPG예약기능을 이용하여 채널을 자동 절환하는 방법.6. The method of claim 5, wherein after checking the reservation time in the fourth step, if the reservation time is not the same, the reservation time is continuously checked. 제 5항에 있어서, 상기 제 4단계에서 상기 디지탈TV수상기의 상태가 전원 오프(off)상태이면 전원을 온상태로 하는 단계를 더 포함하여 전원의 온상태 후 시청예약된 채널의 프로그램이 현시되는 것을 특징으로 하는 EPG예약기능을 이용하여 채널을 자동 절환하는 방법.6. The method of claim 5, further comprising turning on the power when the digital TV receiver is in the power off state in the fourth step, wherein the program of the reserved channel is displayed after the power is turned on. Method for automatically switching channels using the EPG reservation function, characterized in that.
KR1019980011306A 1998-03-31 1998-03-31 Digital tv receiver and method for automatically changing channel using epg(electronic program guide) reservation function KR100299982B1 (en)

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