KR960028196A - Black and white broadcast signal reception alarm device of color television - Google Patents

Black and white broadcast signal reception alarm device of color television Download PDF

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Publication number
KR960028196A
KR960028196A KR1019940039628A KR19940039628A KR960028196A KR 960028196 A KR960028196 A KR 960028196A KR 1019940039628 A KR1019940039628 A KR 1019940039628A KR 19940039628 A KR19940039628 A KR 19940039628A KR 960028196 A KR960028196 A KR 960028196A
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KR
South Korea
Prior art keywords
signal
broadcast
alarm
generating
black
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Application number
KR1019940039628A
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Korean (ko)
Inventor
이정우
Original Assignee
배순훈
대우전자 주식회사
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Priority to KR1019940039628A priority Critical patent/KR960028196A/en
Publication of KR960028196A publication Critical patent/KR960028196A/en

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Abstract

본 발명은 컬러텔레비전의 흑백방송신호수신 경보장치에 관한 것으로, 튜너에 의해 선국된 채널의 방송신호를 소정의 주파수로 중간주파 변환하는 IF모듈과, 그 IF모듈에서 처리된 방송신호에 포함된 영상신호의 동기신호를 검출하는 동기검출수단, 상기 IF모듈에서 처리된 방송영상신호에서 방송신호의 형식을 검출하기 위한 주파수변별수단, 상기 동기신호 검출수단에서 검출된 동기신호와 상기 주파수변별수단에 의해 검출된 방송신호의 형식에 따라 방송경보신호를 생성하는 방송경보신호를 생성수단, 그 방송경보신호 생성수단에서 생성된 방송경보신호에 의해 그 방송방식의 경보를 발생하는 경보수단을 제어하는 제어수단을 포함하여 구성된 것이다.The present invention relates to a black and white broadcast signal reception alarm device of color television, comprising: an IF module for converting a broadcast signal of a channel tuned by a tuner into a predetermined frequency at an intermediate frequency, and an image included in the broadcast signal processed by the IF module. By synchronous detection means for detecting a synchronous signal of a signal, frequency discriminating means for detecting a format of a broadcast signal from a broadcast video signal processed by the IF module, and synchronous signal detected by the synchronous signal detecting means and the frequency discriminating means Control means for generating a broadcast alarm signal for generating a broadcast alarm signal according to the detected broadcast signal format, and for controlling alarm means for generating an alarm of the broadcast method by the broadcast alarm signal generated by the broadcast alarm signal generating means. It is configured to include.

Description

컬러텔레비전의 흑백방송신호수신 경보장치Black and white broadcast signal reception alarm device of color television

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

제1도는 본 발명에 따른 컬러텔레비전의 흑백방송신호수신 경보장치의 블럭구성을 나타낸 도면이다.1 is a block diagram of a black and white broadcast signal reception alarm device of a color television according to the present invention.

Claims (5)

튜너에 의해 선국된 채널의 방송신호를 소정의 주파수로 중간주파 변환하는 IF모듈과, 상기 IF모듈에서 처리된 방송신호에 포함된 영상신호의 동기 신호를 검출하는 동기검출수단, 상기 IF모듈에서 처리된 방송영상신호에서 방송신호의 형식을 검출하기 위한 주파수변별수단, 상기 동기신호검출수단에서 검출된 동기신호와 상기 주파수변별 수단에 의해 검출된 방송신호의 형식에 따라 방송경보신호를 생성하는방송경보신호 생성수단, 그 방송경보신호 생성수단에서 생성된 방송경보신호에 의해 그 방송방식의 경보를 발생하는 경보수단을 제어하는 제어수단을 포함하여 구성된 것을 특징으로 하는 컬러텔레비전의 흑백방송신호수신 경보장치.An IF module for intermediate-converting the broadcast signal of the channel tuned by the tuner to a predetermined frequency, synchronization detection means for detecting a synchronization signal of a video signal included in the broadcast signal processed by the IF module, and processing in the IF module A broadcast alarm signal for generating a broadcast alarm signal according to a frequency discriminating means for detecting a format of a broadcast signal from the broadcast video signal, a sync signal detected by the sync signal detecting means, and a broadcast signal format detected by the frequency discriminating means. And a control means for controlling the alarm means for generating an alarm of the broadcast method by the signal generation means and the broadcast alarm signal generated by the broadcast alarm signal generation means. . 제1항에 있어서, 상기 주파수변별수단은 컬러버스트신호(3.58MHz)의 검출을 행하여 그 컬러버스트 신호가 검출되면 컬러방송신호에 대응하는 레벨의 출력을 생성하도록 구성된 것을 특징으로 하는 컬러텔레비전의 흑백방송신호수신 경보장치.2. The black and white of color television according to claim 1, wherein the frequency discriminating means is configured to detect a color burst signal (3.58 MHz) and generate an output of a level corresponding to the color broadcast signal when the color burst signal is detected. Broadcast signal reception alarm device. 제1항에 있어서, 상기 방송경보신호 생성수단은 베이스가 상기 방송영상신호의 동기검출신호에 의해 제어되는 제1트랜지스터와, 베이스가 그 제1트랜지스터의 컬렉터출력에 접속되고 컬렉터가 전원에 접속되어 그 제1트랜지스터와 역동작하는 제2트랜지스터 및, 베이스가 상기 주파수변별수단의 출력에 의해 제어되고 컬렉터가 상기 제2트랜지스터의 에미터출력측에 접속되고 그 에미터측에서 방송경보신호가 나타나는 제3트랜지스터를 포함하여 구성된 것을 특징으로 하는 컬러텔레비전의 흑백방송신호수신 경보장치.The broadcast alarm signal generating means according to claim 1, wherein the broadcast alarm signal generating means comprises: a first transistor whose base is controlled by a synchronous detection signal of the broadcast video signal, a base connected to a collector output of the first transistor, and a collector connected to a power source; A second transistor which acts in reverse with the first transistor, and a third transistor whose base is controlled by the output of the frequency discriminating means, the collector is connected to the emitter output side of the second transistor, and the broadcast alarm signal appears on the emitter side Black and white broadcast signal reception alarm device of a color television, characterized in that configured to include. 제1항에 있어서, 상기 제어수단은 상기 방송경보신호에 반응하여 일정한 시간 간격으로 방송방식에 대한 경보를 발생하도록 제어하는 것을 특징으로 하는 컬러텔레비전의 흑백방송신호수신 경보장치.The apparatus of claim 1, wherein the control unit controls to generate an alarm for a broadcasting method at a predetermined time interval in response to the broadcasting alarm signal. 제1항 내지 제4항중 어느 한 항에 있어서, 상기 경보수단은 상기 제어수단의 제어하에 일정한 시간 간격으로 OSD경보를 화면표시는 OSD처리수단으로 구성된 것을 특징으로 하는 컬러텔레비전의 흑백방송신호수신 경보장치.The black and white broadcast signal reception alarm according to any one of claims 1 to 4, wherein the alarm means comprises an OSD processing means for displaying the OSD alarm at regular time intervals under the control of the control means. Device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940039628A 1994-12-30 1994-12-30 Black and white broadcast signal reception alarm device of color television KR960028196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940039628A KR960028196A (en) 1994-12-30 1994-12-30 Black and white broadcast signal reception alarm device of color television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940039628A KR960028196A (en) 1994-12-30 1994-12-30 Black and white broadcast signal reception alarm device of color television

Publications (1)

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KR960028196A true KR960028196A (en) 1996-07-22

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Application Number Title Priority Date Filing Date
KR1019940039628A KR960028196A (en) 1994-12-30 1994-12-30 Black and white broadcast signal reception alarm device of color television

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KR (1) KR960028196A (en)

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