KR20000021678A - Device for automatically converting channel after completion of program in television receiver - Google Patents
Device for automatically converting channel after completion of program in television receiver Download PDFInfo
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- KR20000021678A KR20000021678A KR1019980040904A KR19980040904A KR20000021678A KR 20000021678 A KR20000021678 A KR 20000021678A KR 1019980040904 A KR1019980040904 A KR 1019980040904A KR 19980040904 A KR19980040904 A KR 19980040904A KR 20000021678 A KR20000021678 A KR 20000021678A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/4221—Dedicated function buttons, e.g. for the control of an EPG, subtitles, aspect ratio, picture-in-picture or teletext
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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
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Abstract
Description
본 발명은 텔레비전 수상기의 프로그램종료후 자동채널전환장치에 관한 것으로, 상세하게는 리모콘 장치의 자동채널전환키의 조작에 의해 시청중인 방송프로그램이 종료한 뒤에 자동으로 지정된 채널로 전환할 수 있는 텔레비전 수상기의 프로그램종료후 자동채널전환장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic channel switching device after a program of a television receiver is terminated. In detail, a television receiver capable of automatically switching to a designated channel after the watching of a broadcast program by an operation of an automatic channel switching key of a remote control device is completed. Automatic channel switching device after program termination.
도 1에 일반적인 텔레비젼 수상기의 내부 구성이 블록도로서 도시된다.The internal configuration of a general television receiver in FIG. 1 is shown as a block diagram.
도 1에 도시된 바와 같이, TV 수상기는, 안테나(1), 튜너(2), 데이터 디코더(2'), IF증폭부(3), P/S 분리부(4), 음성 검파부(5), 영상 검파부(6), 음성 처리부(10), OSD발생장치(13), 영상 처리부(14) 및 믹서(15), 리모콘 장치(7), 수신부(8), 마이컴(9), 메모리 수단으로서 E2PROM(9'), 음성 증폭부(11), 스피커(12), CRT 구동부(16) 그리고 CRT(17)를 포함하여 구성된다.As shown in FIG. 1, the TV receiver has an antenna 1, a tuner 2, a data decoder 2 ′, an IF amplifier 3, a P / S separator 4, and a voice detector 5. ), An image detector 6, an audio processor 10, an OSD generator 13, an image processor 14 and a mixer 15, a remote controller 7, a receiver 8, a microcomputer 9, a memory The means includes an E 2 PROM 9 ', a voice amplifier 11, a speaker 12, a CRT driver 16, and a CRT 17.
안테나(1)에 의해 공중파의 방송신호가 수신되고, 마이컴(9)에 의해 제어되는 튜너(2)에 의해 수신된 방송신호가 선국된다. IF증폭부(3)는 튜너(2)로부터 출력되는 중간 주파수(IF) 신호를 증폭하고, 상기 P/S 분리부(4)는 표면 탄성파 필터를 포함하여 중간 주파수(IF)를 영상중간주파수(PIF)와 음성중간주파수(SIF)로 분리한다.The broadcast signal of the airwave is received by the antenna 1, and the broadcast signal received by the tuner 2 controlled by the microcomputer 9 is tuned. The IF amplifier 3 amplifies an intermediate frequency (IF) signal output from the tuner 2, and the P / S separation unit 4 includes a surface acoustic wave filter to convert the intermediate frequency (IF) into an image intermediate frequency ( PIF) and voice intermediate frequency (SIF).
음성 검파부(5)는 음성중간주파수(SIF)로부터 음성신호를 검파하고, 음성 처리부(10)는 그 검파된 음성신호를 마이컴(9)의 제어신호에 따라 베이스(Base), 트레블(Treble), 볼륨(Volume) 등의 음성처리를 수행하고, 음성 증폭부(11)에서 그 처리된 음성신호를 증폭하여 스피커(12)로 출력한다.The voice detector 5 detects a voice signal from the voice intermediate frequency (SIF), and the voice processor 10 detects the detected voice signal based on the control signal of the microcomputer 9 (Base) and Treble. Voice processing such as volume, volume, etc. is performed, and the processed voice signal is amplified by the voice amplifier 11 and output to the speaker 12.
상기 영상중간 주파수(PIF)는 영상 검파부(6)에서 영상 신호가 검파되며, 영상 처리부(14)에서 그 검파된 영상신호를 마이컴(9)의 제어신호에 따라 칼라, 틴트, 브라이트니스 등을 처리하여 영상신호에 대응되는 R(Red), G(Green), B(Blue) 및 휘도(Y)신호를 출력하고, 그 R, G, B및 휘도(Y)신호는 믹서(15)에서 OSD발생장치(13)로부터 발생되는 R', G', B'및 OSD 블랭킹 신호(Y')를 믹스하여 출력함으로써 CRT 구동부(16)를 개재하여 CRT(17)를 구동, OSD발생장치(13)로부터의 소정의 OSD패턴데이타와 함께 영상이 디스플레이된다.The image intermediate frequency PIF is detected by an image signal in the image detector 6, and the image processor 14 detects the color, tint, brightness, etc. according to the control signal of the microcomputer 9. Processing to output R (Red), G (Green), B (Blue) and luminance (Y) signals corresponding to the image signal, and the R, G, B and luminance (Y) signals are displayed on the OSD in the mixer 15. By mixing and outputting the R ', G', B 'and OSD blanking signals Y' generated from the generator 13, the CRT 17 is driven through the CRT driver 16, and the OSD generator 13 is The image is displayed along with the predetermined OSD pattern data from.
또한, 상기 리모콘 장치(7)는 시청자가 출력음량조절, 채널전환 등을 하거나 그 밖의 장치 전반을 원격조정하기 위한 장치로서 적외선 신호를 송출하고 이를 텔레비젼의 수신부(8)에서 수신하여 전기적 코드 신호로 변환, 마이컴(9)에 출력함으로써 그 전기적 코드 신호에 따라 장치 전반이 마이컴(9)에 의해 제어된다.In addition, the remote control device 7 is a device for the viewer to control the output volume, channel switching, etc., or to remotely control the overall device, and transmits an infrared signal and receives it from the receiving unit 8 of the television to convert it into an electrical code signal. By converting and outputting to the microcomputer 9, the overall apparatus is controlled by the microcomputer 9 in accordance with the electrical code signal.
그러나. 상술한 바와 같이 리모콘 장치(7)에 설치된 채널엎/다운키에 의해 채널이 엎/다운되게 되거나, 예약시청한 때에는 현재의 시청중인 방송프로그램이 종료하지 아니한 때에도 예약시청시간이 되면 자동으로 채널이 전환되게 되어 다시 시청중인 채널로 전환하여야 하는 불편이 있다는 문제가 있다.But. As described above, when the channel is down / down by the channel down / down key installed in the remote control device 7, or when the reservation is requested, the channel is automatically turned on when the reservation time is reached even when the currently watching program is not finished. There is a problem that there is a inconvenience to switch to the channel being watched again.
따라서, 본 발명은 상술한 문제점을 해결하기 위한 것으로, 리모콘 장치에 자동채널전환키를 설치하고 그 자동채널전환키의 조작으로 시청중인 방송프로그램의 종료후에 자동으로 지정된 채널로 전환할 수 있는 텔레비전 수상기의 프로그램종료후 자동채널전환장치를 제공하는데 그 목적이 있다.Accordingly, the present invention has been made to solve the above-described problem, and a television receiver capable of installing an automatic channel switching key in a remote control device and automatically switching to a designated channel after the end of the program being watched by the operation of the automatic channel switching key. Its purpose is to provide an automatic channel switching device after program termination.
도 1은 일반적인 텔레비젼 수상기의 회로 구성의 일예를 도시한 블록도,1 is a block diagram showing an example of a circuit configuration of a general television receiver;
도 2는 본 발명의 일실시예에 따른 텔레비전 수상기의 프로그램종료후 자동채널전환장치의 구성을 도시한 블럭도,2 is a block diagram showing the configuration of an automatic channel switching apparatus after terminating a program of a television receiver according to an embodiment of the present invention;
도 3은 도 2의 장치를 실시하기 위한 방법의 구성을 도시한 플로우차트.3 is a flow chart showing the configuration of a method for implementing the apparatus of FIG.
* 도면의 주요 부분에 관한 부호의 설명* Explanation of symbols on the main parts of the drawings
1: 안테나 2: 튜너 2': 데이터 디코더1: antenna 2: tuner 2 ': data decoder
3: IF증폭부 4: P/S 분리부 5: 음성 검파부3: IF amplifier 4: P / S separation part 5: negative detector
6: 영상 검파부 7: 리모콘 장치 8: 수신부6: video detector 7: remote controller 8: receiver
9: 마이컴 9': 메모리부 10: 음성처리부9: micom 9 ': memory unit 10: voice processing unit
11: 음성 증폭부 12: 스피커 13: OSD발생장치11: audio amplifier 12: speaker 13: OSD generator
14: 영상 처리부 15: 믹서 16: CRT 구동부14: image processing unit 15: mixer 16: CRT drive unit
17: CRT 21: A/D변환부 22: 프레임저장부17: CRT 21: A / D converter 22: frame storage
23: 문자인식부23: character recognition unit
이러한 목적을 달성하기 위해 본 발명의 일실시예에 따른 텔레비전 수상기의 프로그램종료후 자동채널전환장치는, 튜너, P/S 분리부, 리모콘 장치, 마이컴, 영상 처리부, CRT 구동부 및 CRT를 포함하여 리모콘 장치의 채널엎/다운키에 의해 채널을 엎/다운시켜 디스플레이하는 텔레비전 수상기에 있어서: 상기 P/S 분리부로부터 영상중간주파수신호를 입력받아 디지털영상신호를 출력하는 A/D변환부; 그 A/D변환부에서 출력되는 디지털영상신호를 한 프레임씩 저장하기 위한 프레임저장부; 그 프레임저장부로부터 한 프레임의 디지털영상신호를 독취하여 문자를 인식하고 그 문자와 그 문자의 패턴을 추출하는 문자인식부; 그리고, 상기 리모콘 장치에 설치되어 마이컴에 의해 상기 문자인식부에서의 인식된 문자가 소정의 종료문자에 해당하거나, 그 인식된 문자의 패턴이 종료문자의 패턴에 해당하는 가를 판단하여 해당되는 때에 지정된 채널로 전환하도록 튜너가 제어되는 자동채널전환키를 포함하여 구성되는 것을 특징으로 한다.In order to achieve the above object, the automatic channel switching apparatus after program termination of a television receiver according to an embodiment of the present invention includes a remote controller including a tuner, a P / S separation unit, a remote control device, a microcomputer, an image processing unit, a CRT driving unit, and a CRT. A television receiver which displays a channel up / down by a channel down / down key of a device, the television receiver comprising: an A / D conversion unit for receiving an image intermediate frequency signal from the P / S separation unit and outputting a digital image signal; A frame storage unit for storing the digital image signal output from the A / D conversion unit by one frame; A character recognition unit which reads a digital image signal of one frame from the frame storage unit, recognizes a character, and extracts the character and the pattern of the character; And it is installed in the remote control device and determined by the microcomputer whether the recognized character in the character recognition unit corresponds to a predetermined end character, or whether the pattern of the recognized character corresponds to the pattern of the end character, And an automatic channel switch key in which the tuner is controlled to switch to the channel.
또한, 예약시청기능이 있는 경우, 상기 자동채널전환키의 조작시에 그 예약시청채널의 작동이 방송프로그램의 종료후에 이루어지도록 지연시킬 수 있게 된다.In addition, when there is a reservation viewing function, the operation of the reservation viewing channel can be delayed so that the operation of the reservation viewing channel is made after the termination of the broadcast program.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 2에는 본 발명의 일실시예에 따른 텔레비전 수상기의 프로그램종료후 자동채널전환장치의 구성이 블럭도로서 도시된다.2 is a block diagram showing the configuration of an automatic channel switching apparatus after program termination of a television receiver according to an embodiment of the present invention.
도 2에서 그 텔레비전 수상기의 채널전환장치는, 도 1의 종래의 텔레비전 수상기와 같이 튜너(2), P/S 분리부(4), 리모콘 장치(7), 마이컴(9), 영상 처리부(14), CRT 구동부(16) 및 CRT(17)를 포함하고, 채널을 엎/다운시키기 위한 채널엎/다운키가 리모콘 장치(7)에 제공되며, 그 기증은 도 1과 관련하여 설명한 바와 같다. 본 발명의 일실시예에 의한 텔레비전 수상기는, 도 2에서 A/D변환부(21), 프레임저장부(22) 및 문자인식부(23)를 포함하여 구성되고, 리모콘 장치(7)에 자동채널전환키가 설치된다.In FIG. 2, the channel switching device of the television receiver is a tuner 2, a P / S separation unit 4, a remote control unit 7, a microcomputer 9, and an image processing unit 14, as in the conventional television receiver of FIG. ), Including a CRT driver 16 and a CRT 17, a channel up / down key for up / down channels is provided to the remote control device 7, and the donation is as described with reference to FIG. The television receiver according to an embodiment of the present invention includes an A / D conversion unit 21, a frame storage unit 22, and a character recognition unit 23 in FIG. Channel switch key is installed.
그 A/D변환부(21)는 P/S 분리부(4)로부터 영상중간주파수신호를 입력받아 디지털영상신호를 출력하도록 연결되고, 프레임저장부(22)는 그 A/D변환부(21)에서 출력되는 디지털영상신호를 한 프레임씩 저장하도록 연결되고 마이컴(9)에 의해 제어된다.The A / D converter 21 is connected to receive an image intermediate frequency signal from the P / S separator 4 to output a digital video signal, and the frame storage 22 is connected to the A / D converter 21. Is connected to store the digital video signal output by the frame one by one and is controlled by the microcomputer (9).
또한, 그 프레임저장부(22)로부터 한 프레임의 디지털영상신호를 독취하여 문자와 그 패턴을 인식하여 추출하도록 문자인식부(23)에 연결된다. 그 문자인식부(23)에서 인식된 문자 및 그 문자의 패턴이 마이컴(9)을 개재하여 메모리부(9')에 저장된다.In addition, the frame storage unit 22 is connected to the character recognition unit 23 to read out a digital image signal of one frame and to recognize and extract a character and its pattern. The character recognized by the character recognition unit 23 and the pattern of the character are stored in the memory unit 9 'via the microcomputer 9.
상기 리모콘 장치(7)에 설치되는 자동채널전환키는, 마이컴(9)에 의해 상기 문자인식부(23)에서의 인식된 문자가 소정의 종료문자에 해당하거나, 그 인식된 문자의 패턴이 종료문자의 패턴에 해당하는 가를 판단하여 해당되는 때에 지정된 채널로 전환하도록 구성된다.In the automatic channel switching key installed in the remote control device 7, the character recognized by the character recognition unit 23 by the microcomputer 9 corresponds to a predetermined end character, or the pattern of the recognized character ends. It is configured to determine whether it corresponds to the pattern of the character and to switch to the designated channel at that time.
또한, 예약시청기능이 있는 경우, 상기 자동채널전환키의 조작시에 그 시청이 예약된 채널로의 전환이 현재 시청중인 방송프로그램의 종료후에 이루어지도록 구성된다.In addition, when there is a reservation viewing function, it is configured such that, when the automatic channel switching key is operated, the switching to the channel for which viewing is reserved is made after the termination of the broadcast program currently being watched.
이와같이 구성된 텔레비전 수상기의 채널전환장치에 의하면, 상기 리모콘 장치(7)의 자동채널전환키의 조작시, 현재 시청중인 방송프로그램이 종료되는 지를 문자를 인식하거나, 그 문자의 팬턴을 인식하여 판단한다. 문자에 의한 종료는 "종료", 끝" 등의 문자에 의하고, 패턴의 인식은, 동일한 패턴의 문자가 발생하거나, 인식된 문자가 단지 이동하는 것에 불과한 때와 같은 방송프로그램의 종료패턴을 저장하여 그 종료패턴과 비교함으로써 방송프로그램의 종료여부를 판단한다.According to the channel switching device of the television receiver configured as described above, when the automatic channel switching key of the remote control device 7 is operated, the character is recognized or the pantone of the character is recognized to determine whether the broadcast program currently being watched is terminated. Ending by character is based on characters such as "end", end ", and the like. Recognition of a pattern stores an end pattern of a broadcast program such as when characters of the same pattern occur or only recognized characters are moved. It is judged whether or not the broadcast program is finished by comparing with the end pattern.
도 3에는 본 발명의 실시예에 따른 텔레비전 수상기의 프로그램종료후 자동채널전환장치를 실시하기 위한 프로그램의 플로우차트가 도시된다. 그 단계들을 수행하기 위한 프로그램이 마이컴(9)의 내장 메모리 내지 메모리부(9')에 저장된다.3 is a flowchart of a program for executing the automatic channel switching apparatus after the program termination of the television receiver according to the embodiment of the present invention. A program for performing the steps is stored in the internal memory or the memory portion 9 'of the microcomputer 9.
먼저, 단계 S1에서는 텔레비전이 온으로 된 때, 자동채널전환키(종료후 채널전환키)의 조작을 감지하는 감지단계(단계 S1)를 수행하며, 감지되지 아니한 때에는 계속 감시하던가 일정시간 감지한 후, 프로그램을 종료시킬 수도 있다.First, in step S1, when the television is turned on, a detection step (step S1) of detecting an operation of the automatic channel switching key (channel switching key after termination) is performed. You can also exit the program.
그 자동채널전환키의 조작을 감지한 때에는 종료후 전환채널을 입력받아 저장한다(단계 S2). 예약시청기능이 있는 경우, 예약시청이 있는 지를 판단하여 그 중 최선채널을 시간과함께 저장한다.When the operation of the automatic channel switching key is sensed, the switching channel is received after completion and stored (step S2). If there is a reservation request function, it is determined whether there is a reservation request and the best channel is stored with time.
단계 S3에서 현재 시청중인 제 1 프레임을 A/D변환부(21)에서 디지털영상신호로 변환하여 프레임저장부(22)에 저장하고, 단계 S4에서 문자인식부(23)에 의해 문자를 인식하여 인식된 제 1 문자 및 패턴을 메모리부(9')에 저장하고는 마이컴(9)에 의해 소정의 종료문자와 비교한다(단계 S5).In step S3, the first frame currently being viewed is converted into a digital video signal by the A / D conversion unit 21 and stored in the frame storage unit 22, and in step S4, the character is recognized by the character recognition unit 23. The recognized first character and pattern are stored in the memory portion 9 'and are compared by the microcomputer 9 with a predetermined end character (step S5).
그 단계 S5에서 종료문자와 동일한 때에는 단계 S6에서 저장채널로 채널을 전환하도록 튜너(2)를 제어함으로써 전환된 채널이 디스플레이되게 된다.When the same as the end character in step S5, the switched channel is displayed by controlling the tuner 2 to switch the channel to the storage channel in step S6.
한편, 상기 단계 S5에서 종료문자와 동일하지 아니한 때에는 단계 S7에서 1 내지 2초의 소정시간경과후 다시 제 2 프레임을 저장하고 그 제 2 프레임으로부터 상술한 바와 같이 제 2 문자 및 패턴을 저장하고(단계 S8), 단계 S9에서 제 1 문자 패턴과 제 2 문자패턴이 동일한가를 판단하여 동일한 때에는 방송프로그램의 종료패턴으로 판단하고 단계 S6에서 채널전환을 하며, 동일하지 아니한 때에는 다시 단계 S3으로 복귀하여 위의 과정을 되풀이한다.On the other hand, if it is not the same as the end character in step S5, after the predetermined time of 1 to 2 seconds has elapsed in step S7, the second frame is stored again and the second character and pattern are stored as described above from the second frame (step S8), in step S9, it is determined whether the first character pattern and the second character pattern are the same, and when it is the same, it is determined as the end pattern of the broadcast program, and the channel is switched in step S6, and if it is not the same, the process returns to step S3 again. Repeat the process.
이와 같이 구성함으로써 리모콘 장치의 자동채널전환키의 조작으로 시청중인 방송프로그램의 종료후에 자동으로 지정된 채널로 전환할 수 있게 된다.With this arrangement, the channel can be automatically switched to the designated channel after the end of the program being watched by the operation of the automatic channel switching key of the remote control device.
이상에서 설명한 본 발명의 실시예에 따른 텔레비전 수상기의 프로그램종료후 자동채널전환장치의 구성과 작용에 의하면, 리모콘 장치에 자동채널전환키를 설치하고 방송프로그램의 종료시의 종료문자의 유형이나 패턴에 의해 시청중인 방송프로그램의 종료후에 자동으로 지정되거나 예약시청할 채널로 전환할 수 있는 등의 효과가 있다.According to the configuration and operation of the automatic channel switching device after the program termination of the television receiver according to the embodiment of the present invention described above, the automatic channel switching key is installed in the remote control device and the terminal character type or pattern at the end of the broadcast program There is an effect of switching to the channel to be automatically designated or reserved after the end of the broadcast program being watched.
이상에서 첨부된 도면을 참조하여 본 발명의 실시예를 구체적으로 설명하였지만, 본 발명은 이에 제한된 것은 아니고 본 발명의 정신이나 분야를 이탈하지 않는 한도 내에서 본 발명이 다양하게 개조 및 변화될 수 있다는 것을 당 업계에서 통상의 지식을 가진 자라면 용이하게 알 수 있을 것이다.While the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited thereto, and the present invention may be variously modified and changed without departing from the spirit or the field of the present invention. It will be readily apparent to those of ordinary skill in the art.
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019980040904A KR20000021678A (en) | 1998-09-30 | 1998-09-30 | Device for automatically converting channel after completion of program in television receiver |
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| KR1019980040904A KR20000021678A (en) | 1998-09-30 | 1998-09-30 | Device for automatically converting channel after completion of program in television receiver |
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