KR940023279A - Broadcasting method detection device - Google Patents

Broadcasting method detection device Download PDF

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Publication number
KR940023279A
KR940023279A KR1019930005537A KR930005537A KR940023279A KR 940023279 A KR940023279 A KR 940023279A KR 1019930005537 A KR1019930005537 A KR 1019930005537A KR 930005537 A KR930005537 A KR 930005537A KR 940023279 A KR940023279 A KR 940023279A
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South Korea
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signal
synchronous
horizontal
broadcast method
reference number
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KR1019930005537A
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Korean (ko)
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강석규
나준호
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김광호
삼성전자 주식회사
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Priority to KR1019930005537A priority Critical patent/KR940023279A/en
Publication of KR940023279A publication Critical patent/KR940023279A/en

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Abstract

본 발명은 비디오 디스크 시스템의 방송방식 검출장치에 관한 것으로, 비디오 신호로부터 수평동기신호와 수직동기신호를 검출해 분리하는 동기분리수단과 동기분리수단으로부터 분리된 수평동기신호와 수직동기신호를 입력하여 카운트하는 동기카운트수단과 제1방송방식과 제2방송방식을 분별하는 기준이되는 기준수를 발생하는 기준수발생수단과 동기 카운트수단으로부터 입력한 수평동기 수와 기준수 발생으로부터 입력한 기준수를 비교하는 비교수단을 구비하여 하나의 비디오 디스크 플레어어로 NTSC 방식의 디스크와 PAL 방식의 디스크를 사용가능하게 하고, 일반적인 비디오 시스템에 응용되어 비디오 기록 및 재생기의 표준방식을 분별함으로써 다양한 서비스를 제공할 수 있다.The present invention relates to an apparatus for detecting a broadcast method of a video disc system, comprising: synchronizing separation means for detecting and separating a horizontal synchronizing signal and a vertical synchronizing signal from a video signal; A reference number generating means for generating a reference count that serves as a reference for discriminating the first broadcasting method and a second broadcasting method, and a horizontal synchronous number input from the synchronous counting means, and a reference number input from the reference number generation. It is possible to use NTSC disc and PAL disc as one video disc player by comparing means to compare and provide various services by discriminating standard methods of video recorder and player by applying to general video system. have.

Description

방송방식 검출장치Broadcasting method detection device

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

제1도는 본 발명의 방송방식 검출장치의 실시예를 도시한 블럭도이다.1 is a block diagram showing an embodiment of a broadcast method detecting apparatus of the present invention.

Claims (3)

일정한 수직동기기간에 n개의 수평동기를 가지는 제1방송방식이나 일정한 수직동기기간에 m개의 수평동기를 가지는 제2방송방식으로 기록된 임의의 비디오 디스크로부터 변조된 비디오 고주파신호를 복조하여 비디오 신호를 재생하는 비디오 디스크의 재생장치에 있어서, 상기 재생된 비디오 신호로부터 수평동기신호와 수직동기신호를 검출해 분리하는 동기 분리수단; 상기 동기 분리수단으로부터 분리된 상기 수평동기신호와 상기 수직동기신호를 입력하는 일정한 수직동기기간의 수평동기 수를 카운트하는 동기 카운트수단; 상기 제1방송방식과 상기 제2방송방식을 분별하는 기준이되는 기준수를 발생하는 기준수 발생수단; 및 상기 동기 카운트수단으로부터 입력한 상기 수평동기 수와 상기 기준수 발생수단으로부터 입력한 상기 기준수를 비교하는 비교수단을 구비하여 상기 비디오 디스크가 제1방송방식인지 제2방송방식인지를 검출하는 것을 특징으로 하는 방송방식 검출장치.The video signal is demodulated by demodulating a modulated video high frequency signal from an arbitrary video disc recorded in a first broadcasting method having n horizontal synchronizations in a constant vertical synchronization period or a second broadcasting method having m horizontal synchronizations in a constant vertical synchronization period. CLAIMS 1. A playback apparatus of a video disc for playback, comprising: sync separation means for detecting and separating a horizontal sync signal and a vertical sync signal from the played video signal; Synchronization counting means for counting the number of horizontal synchronizations between the horizontal synchronization signal separated from the synchronization separation means and a predetermined vertical synchronization unit for inputting the vertical synchronization signal; Reference number generating means for generating a reference number that becomes a reference for discriminating between the first broadcast method and the second broadcast method; And comparing means for comparing the horizontal synchronization number inputted from the synchronization counting means with the reference number inputted from the reference number generating means to detect whether the video disc is a first broadcast method or a second broadcast method. Broadcasting method detection device characterized in that. 제1항에 있어서, 상기 기준수는 상기 제1방송방식이 NTSC방식이고 상기 제2방송방식이 PAL방식일 경우 287인 것을 특징으로 하는 방송방식 검출장치.The apparatus of claim 1, wherein the reference number is 287 when the first broadcast method is NTSC and the second broadcast method is PAL. 일정한 수직동기간에 p개의 수직동기를 가지는 제1방송방식이나 일정한 수평동기기간에 q개의 수직동기를 가지는 제2방송방식으로 기록된 임의의 비디오 디스크로부터 변조된 비디오 고주파신호를 복조하여 비디오 신호를 재생하는 비디오 디스크의 재생장치에 있어서, 상기 재생된 비디오 신호로부터 수평동기신호와 수직동기신호를 검출해 분리하는 동기 분리수단; 상기 동기 분리수단으로부터 분리된 상기 수평동기신호와 상기 수직동기신호를 입력하여 일정한 수평동기기간의 수직동기 수를 카운트하는 동기 카운트수단; 상기 제1방송방식과 상기 제2방송방식을 분별하는 기준이되는 기준수를 발생하는 기준수 발생수단; 및 상기 동기 카운트수단으로부터 입력한 상기 수직동기 수와 상기 기준수 발생수단으로부터 입력한 상기 기준수를 비교하는 비교수단을 구비하여 상기 비디오 디스크가 제1방송방식인지 제2방송방식인지를 검출하는 것을 특징으로 하는 방송방식 검출장치.A video signal is reproduced by demodulating a modulated video high frequency signal from an arbitrary video disc recorded in a first broadcast method having p vertical synchronizations in a constant vertical synchronization period or a second broadcast method having q vertical synchronizations in a constant horizontal synchronization period. An apparatus for reproducing a video disc, comprising: synchronous separation means for detecting and separating a horizontal synchronous signal and a vertical synchronous signal from the reproduced video signal; Synchronous counting means for inputting the horizontal synchronous signal and the vertical synchronous signal separated from the synchronous separating means to count the number of vertical synchronous between the horizontal synchronous signals; Reference number generating means for generating a reference number that becomes a reference for discriminating between the first broadcast method and the second broadcast method; And comparing means for comparing the vertical synchronous number input from the synchronous counting means with the reference number input from the reference number generating means to detect whether the video disc is a first broadcast method or a second broadcast method. Broadcasting method detection device characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930005537A 1993-03-31 1993-03-31 Broadcasting method detection device KR940023279A (en)

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KR1019930005537A KR940023279A (en) 1993-03-31 1993-03-31 Broadcasting method detection device

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KR1019930005537A KR940023279A (en) 1993-03-31 1993-03-31 Broadcasting method detection device

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KR940023279A true KR940023279A (en) 1994-10-22

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