KR960020475A - Sound mute circuit of character broadcasting processing system - Google Patents

Sound mute circuit of character broadcasting processing system Download PDF

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Publication number
KR960020475A
KR960020475A KR1019940030160A KR19940030160A KR960020475A KR 960020475 A KR960020475 A KR 960020475A KR 1019940030160 A KR1019940030160 A KR 1019940030160A KR 19940030160 A KR19940030160 A KR 19940030160A KR 960020475 A KR960020475 A KR 960020475A
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KR
South Korea
Prior art keywords
signal
broadcast
video signal
sound
mute
Prior art date
Application number
KR1019940030160A
Other languages
Korean (ko)
Inventor
고명기
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940030160A priority Critical patent/KR960020475A/en
Publication of KR960020475A publication Critical patent/KR960020475A/en

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Abstract

본 발명을 텔레비젼 문자 방송 수신시의 방송 신호 무신호시에 사운드를 자동으로 뮤트시키고 전원을 오프시킬 수 있는 문자 방송 처리 시스템의 사운드 뮤트 회로에 관한 것으로, 이를 위하여, 종래의 문자 방송 처리 시스템에 운자 방송 선택시의 방송신호 무신호시에 문자를 디코딩하는 디코더의 뮤트포트에 입력되는 뮤트 신호에 의거하여 영상 신호 처리부에서 시스템의 전반적인 제어를 위해 출력되는 ID 신호를 바이패스시키기 위한 트랜지스터를 부가하여 구성하고, 방송 신호 무신호시에 문자 디코더에 인가되는 뮤트 신호를 이용하여 사운드를 직접 뮤트시켜 주므로서, 종래장치에 비해 사용상의 편리성을 증진시키고 불필요한 전원 낭비를 방지한것이다.The present invention relates to a sound muting circuit of a text broadcasting processing system capable of automatically muting the sound and turning off the power when no signal is broadcast at the time of receiving a television text broadcasting. And a transistor for bypassing the ID signal output for overall control of the system by the video signal processor based on the mute signal input to the mute port of the decoder which decodes the character when no broadcast signal is selected. By muting the sound directly by using the mute signal applied to the character decoder when no signal is broadcast, it improves the convenience of use and prevents unnecessary waste of power compared to the conventional apparatus.

Description

문자 방송 처리 시스템의 사운드 뮤트 회로Sound mute circuit of character broadcasting processing system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 바람직한 실시예에 따른 문자 방송 처리 시스템의 사운드 뮤트 회로에 대한 개략적인 블럭 구성도.1 is a schematic block diagram of a sound mute circuit of a text broadcasting processing system according to a preferred embodiment of the present invention.

Claims (2)

방송시에 수신되는 영상 신호를 수상기를 통해 디스플레이 가능한 신호로 처리하고 방송 수신 시스템의 전반적인 동작 제어를 위해 동기 신호에 기초하는 ID 신호를 마이컴에 제공하는 영상신호 처리수단과, 방송 또는 문자 방송 선택에 상응하여 상기 영상신호 처리수단의 영상 출력을 자동으로 절환하는 티브이/에이브이 절환 수단과, 뮤트 포트를 가지며 문자 방송 선택시에 상기 절환수단으로부터의 복합 영상 신호와 이 복합 영상 신호를 변조하여 생성되고 내부에 메모리 되는 동기 신호를 상기 영상신호 처리수단에 제공하는 디코딩수단을 구비한 문자방송 처리시스템의 사운드 뮤트 회로에 있어서, 상기 문자 방송 선택시의 방송 신호 무신호시에 상기 디코딩수단의 뮤트 포트를 통해 입력되는 뮤트 신호에 의거하여 상기 영상 신호 처리수단에서 출력되는 상기 ID 신호를 바이패스시키기 위한 ID 출력 제어수단은 더 포함하여 이루어진 것을 특징으로 하는 문자 방송 처리 시스템의 사운드 뮤트 회로.Image signal processing means for processing a video signal received at the time of broadcast as a displayable signal through the receiver and providing the microcomputer with an ID signal based on a synchronization signal for overall operation control of the broadcast receiving system; Correspondingly, a TV / AV switching means for automatically switching the video output of the video signal processing means, a mute port, a composite video signal from the switching means and a composite video signal generated when the character broadcast is selected, A sound muting circuit of a character broadcast processing system having decoding means for providing a synchronization signal stored in the video signal processing means to a video signal processing means, the sound muting circuit being inputted through a mute port of the decoding means when no broadcast signal is selected for the character broadcast selection. The video signal processing means based on the mute signal For bypassing the ID signal outputted ID output control unit muting a sound of the character broadcast processing system, characterized in that made in further comprising circuitry. 제1항에 있어서, 상기 ID 출력 제어수단은 그의 베이스가 상기 디코딩수단의 뮤트 포트에 연결되고 콜렉터가 상기 영상 신호 처리수단의 ID 출력 라인에 연결되며 에미터가 접지에 연결되는 트랜지스터인 것을 특징으로 하는 문자 방송 처리 시스템의 사운드 뮤트 회로.The method of claim 1, wherein the ID output control means is a transistor whose base is connected to the mute port of the decoding means, the collector is connected to the ID output line of the video signal processing means and the emitter is connected to ground. Sound mute circuit of a character broadcast processing system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940030160A 1994-11-17 1994-11-17 Sound mute circuit of character broadcasting processing system KR960020475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940030160A KR960020475A (en) 1994-11-17 1994-11-17 Sound mute circuit of character broadcasting processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940030160A KR960020475A (en) 1994-11-17 1994-11-17 Sound mute circuit of character broadcasting processing system

Publications (1)

Publication Number Publication Date
KR960020475A true KR960020475A (en) 1996-06-17

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ID=66648328

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940030160A KR960020475A (en) 1994-11-17 1994-11-17 Sound mute circuit of character broadcasting processing system

Country Status (1)

Country Link
KR (1) KR960020475A (en)

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