KR960028320A - Broadcast channel search / switch device when TV's on-timer function - Google Patents

Broadcast channel search / switch device when TV's on-timer function Download PDF

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Publication number
KR960028320A
KR960028320A KR1019940040733A KR19940040733A KR960028320A KR 960028320 A KR960028320 A KR 960028320A KR 1019940040733 A KR1019940040733 A KR 1019940040733A KR 19940040733 A KR19940040733 A KR 19940040733A KR 960028320 A KR960028320 A KR 960028320A
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South Korea
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broadcast
broadcast channel
channel search
channel
signal
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KR1019940040733A
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Korean (ko)
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이정우
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배순훈
대우전자 주식회사
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Priority to KR1019940040733A priority Critical patent/KR960028320A/en
Publication of KR960028320A publication Critical patent/KR960028320A/en

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Abstract

본 발명은 텔레비젼의 온타이머기능시 방송채널탐색/절환장치에 관한 것으로, 온타이머기능에 의한 시간이 예약된 온타임기능설정수단과, 그 온타임기능설정수단에 의해 설정된 예약시간과 타이머에 의해 계시되는 현재 시간을 기초로 상기 예약시간의 도달시 전원수단에 의해 전원을 인가하도록 제어함과 더불어 상기 예약 시간에 선정된 채널에서 정규방송신호의 수신여부에 따라 방송채널을 절환하는 제어수단, 상기 제어수단의 제어하에 상기 예약시간에 선정된 채널로부터 정규방송신호의 수신가능여부를 검출하는 제1 방송채널탐색수단, 그 제1방송채널탐색수단에 의해 정규방송신호의 수신불가시 다화면방식으로 수신 가능한 방송채널을 탐색하는 제2방송채널탐색수단, 그 제2방송채널탐색수단에 의해 선국되는 방송채널을 다화면처리하는 다화면처리수단 및, 상기 제1 또는 제2방송채널탐색수단에 의해 탐색된 방송 채널에 의해 수신되는 방송신호의 음성 및 영상신호를 처리하여 재생하는 음성/영상처리수단을 포함하여, 온타이머 기능의 작동시 제1채널에 의해 선국되는 미리 예약된 채널에서 방송신호가 포착되지 않는 경우에는 음성신호를 뮤팅시킨 상태에서 제2채널에 의해 시청가능한 방송신호가 검출되는 채널을 탐색하여 화면의 절환이 이루어지도록 된 것이다.The present invention relates to a broadcast channel search / switching device for an on-timer function of a television. The present invention relates to an on-time function setting means for which time by the on-timer function is reserved, and to a reservation time and a timer set by the on-time function setting means. A control means for controlling power to be applied by a power supply means when the reservation time is reached on the basis of the present time being displayed and switching the broadcast channel according to whether or not to receive a regular broadcast signal in the channel selected at the reservation time; A first broadcast channel search means for detecting whether or not a regular broadcast signal can be received from a channel selected at the reserved time under the control of a control means, and when the first broadcast channel search means cannot receive a regular broadcast signal in a multi-screen mode; A second broadcast channel search means for searching for a receivable broadcast channel, and multicasting the broadcast channel tuned by the second broadcast channel search means On-timer functions, including multi-screen processing means and audio / video processing means for processing and reproducing audio and video signals of broadcast signals received by broadcast channels searched by the first or second broadcast channel search means. If the broadcast signal is not captured from the pre-reserved channel tuned by the first channel during the operation of, the screen is switched by searching for the channel where the broadcast signal that can be viewed by the second channel is detected while the audio signal is muted. It is to be done.

Description

텔레비젼의 온타이머기능시 방송채널탐색/절환장치Broadcast channel search / switch device when TV's on-timer function

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 텔레비전의 온타이머기능시 방송채널탐색/절환 장치를 나타낸 블럭구성도, 제2도는 제1도에 도시된 본 발명에 따른 텔레비전의 온타이머기능시 방송채널탐색/절환장치에 의한 온타이머기능의 작동시 방송채널의 탐색 및 주화면/부화면 절환과정을 설명하는 플로우챠트이다.FIG. 1 is a block diagram showing a broadcast channel search / switching device in an on-timer function of a television according to the present invention. FIG. 2 is a broadcast channel search / switching device in an on-timer function of a television according to the present invention shown in FIG. This is a flowchart explaining the process of searching for a broadcasting channel and switching between main screen and sub picture when the on-timer function is activated.

Claims (6)

온타이머기능에 의한 시간이 예약된 온타임기능설정수단과, 그 온타임기능설정수단에 의해 설정된 예약시간과 타이머에 의해 계시되는 현재 시간을 기초로 상기 예약시간의 도달시 전원수단에 의해 전원을 인가하도록 제어함과 더불어 상기 예약 시간에 선정된 채널에서 정규방송신호의 수신여부에 따라 방송채널을 절환하는 제어수단, 상기 제어수단의 제어하에 상기 예약시간에 선정된 채널로부터 정규방송신호의 수신가능여부를 검출하는 제1방송채널탐색수단, 그 제1방송채널탐색수단에 의해 정규방송신호의 비검출시 다화면방식으로 수신가능한 방송채널을 탐색하는 제2방송채널탐색수단, 그 제2방송채널탐색수단에 의해 선국되는 방송채널을 다화면처리하는 다화면처리수단및, 상기 제1 또는 제2방송채널탐색수단에 의해 탐색된 방송채널에 의해 수신되는 방송신호의 음성 및 영상신호를 처리하여 재생하는 음성/영상처리수단을 포함하여 구성된 것을 특징으로 하는 텔레비전의 온타이머기능시 방송채널 탐색/절환장치.On-time function setting means for which the time by the on-timer function is reserved, and the power supply means when the reservation time is reached based on the reservation time set by the on-time function setting means and the current time indicated by the timer. Control means for switching the broadcast channel according to whether or not to receive the regular broadcast signal in the channel selected at the reserved time, and receiving the regular broadcast signal from the channel selected at the reserved time under the control of the control means. First broadcast channel search means for detecting whether the first broadcast channel search means searches for a broadcast channel receivable in a multi-screen manner when the normal broadcast signal is not detected by the first broadcast channel search means, and the second broadcast channel search means Multi-screen processing means for multi-screen processing the broadcast channel tuned by the means, and the broadcast channel searched by the first or second broadcast channel search means. And an audio / video processing means for processing and reproducing audio and video signals of a broadcast signal received by the broadcast channel. 제1항에 있어서, 상기 제1방송채널탐색수단은 상기 제어수단의 제어하에 상기 온타임기능설정수단에 의해 설정된 예약시간의 도달시 미리 설정된 채널의 선국을 행하는 제1튜너와 그 제1튜너에 의해 선국된 채널의 방송신호에 대한 중간주파수 변환처리를 행하는 제1 IF모듈 및 그 제1 IF모듈에 의해 중간 주파수 변환처리된 방송신호에서 동기신호를 검출하는 제1동기신호검출수단을 포함하여 구성된 것을 특징으로 하는 텔레비전의 온타이머기능시 방송채널 탐색/절환장치.2. The apparatus of claim 1, wherein the first broadcast channel search means is connected to a first tuner and a first tuner which tune to a preset channel upon arrival of a reservation time set by the on-time function setting means under the control of the control means. A first IF module for performing an intermediate frequency conversion process on the broadcast signal of the channel tuned by the channel and a first synchronous signal detection means for detecting a synchronization signal in the broadcast signal subjected to the intermediate frequency conversion process by the first IF module. A broadcast channel search / switching device during an on-timer function of a television. 제1항에 있어서, 상기 제2방송채널탐색수단은 상기 미리 설정된 채널에서 방송신호의 비검출시에는 상기 제어수단의 제어하에 방송수신가능한 채널의 선국을 행하는 제2튜너와 그 제2튜너에 의해 선국된 채널의 방송신호에 대한 중간주파수 변환처리를 행하는 제2 IF모듈 및 그 제2 IF모듈에 의해 중간 주파수 변환처리된 방송신호에서 동기신호를 검출하는 제2동기 신호검출수단을 포함하여 구성된 것을 특징으로 하는 텔레비전의 온타이머기능시 방송채널 탐색/절환장치.2. The apparatus of claim 1, wherein the second broadcast channel search means selects a second tuner and a second tuner that tune to a broadcast-receivable channel under the control of the control means when the broadcast signal is not detected in the preset channel. And a second synchronous signal detecting means for detecting a synchronous signal in the broadcast signal subjected to the intermediate frequency conversion processing by the second IF module and performing an intermediate frequency conversion process on the broadcast signal of the channel. A broadcast channel search / switching device during an on-timer function of a television. 제1항 내지 제3항중 어느 한항에 있어서, 상기 제어수단은 상기 제1방송 채널탐색수단에 의해 미리 설정된 채널에서 방송신호의 동기신호가 검출되지 않는 경우에는 상기 음성처리수단을 뮤팅시키는 것을 특징으로 하는 텔레비전의 온타이머기능시 방송채널탐색/절환장치.The method according to any one of claims 1 to 3, wherein said control means mutes said audio processing means when a synchronization signal of a broadcast signal is not detected in a channel preset by said first broadcast channel search means. Broadcast channel search / switching device at the time of the on-time function of the television. 제1항에 있어서, 상기 제어수단은 상기 제2방송채널탐색수단에 의해 수신가능한 방송채널의 검색시 상기 제1방송채널탐색수단에 의한 선국작업으로부터 제2방송채널탐색수단에 의해 선국된 채널로 화면절환되도록 하는 것을 특징으로 하는 텔레비전의 온타이머기능시 방송채널 탐색/절환장치.2. The apparatus according to claim 1, wherein said control means moves from a tuning operation by said first broadcast channel search means to a channel tuned by said second broadcast channel search means when searching for a broadcast channel receivable by said second broadcast channel search means. A broadcast channel search / switching device for an on-timer function of a television, characterized in that the screen is switched. 제1항에 있어서, 상기 다화면처리수단은 상기 제2방송채널탐색수단의 제2 IF모듈에 의해 중간주파처리된 방송신호를 휘도/색신호분리하여 디지탈변환하는 휘도/색신호분리부와, 그 휘도/색신호분리부에서 분리된 데이터를 화상데이터로 저장하는 화상데이터저장부, 그 화상데이터저장부에 저장된 화상데이터를 다화면방식으로 출력하는 PIP화면처리부를 갖추어 구성된 것을 특징으로 하는 텔레비전의 온타이머기능시 방송채널 탐색/절환장치.The display apparatus of claim 1, wherein the multi-screen processing means comprises: a luminance / color signal separation unit for digitally converting the broadcast signal processed by the second IF module of the second broadcasting channel search means by dividing the luminance / color signal and the luminance thereof; An image data storage unit for storing the data separated by the color signal separation unit as image data, and a PIP screen processing unit for outputting the image data stored in the image data storage unit in a multi-screen manner. Broadcast channel search / switching device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940040733A 1994-12-28 1994-12-28 Broadcast channel search / switch device when TV's on-timer function KR960028320A (en)

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KR1019940040733A KR960028320A (en) 1994-12-28 1994-12-28 Broadcast channel search / switch device when TV's on-timer function

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