KR900011272A - Automatic compensation circuit for Y signal delay time of PAL / SECAM system - Google Patents

Automatic compensation circuit for Y signal delay time of PAL / SECAM system Download PDF

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Publication number
KR900011272A
KR900011272A KR1019880017815A KR880017815A KR900011272A KR 900011272 A KR900011272 A KR 900011272A KR 1019880017815 A KR1019880017815 A KR 1019880017815A KR 880017815 A KR880017815 A KR 880017815A KR 900011272 A KR900011272 A KR 900011272A
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KR
South Korea
Prior art keywords
signal
chroma
output
delay
composite video
Prior art date
Application number
KR1019880017815A
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Korean (ko)
Inventor
윤여준
Original Assignee
안시환
삼성전자 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.)
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Publication date
Application filed by 안시환, 삼성전자 주식회사 filed Critical 안시환
Priority to KR1019880017815A priority Critical patent/KR900011272A/en
Publication of KR900011272A publication Critical patent/KR900011272A/en

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Abstract

내용 없음No content

Description

PAL/SECAM시스템의 Y신호 지연시간 자동 보상회로Automatic compensation circuit for Y signal delay time of PAL / SECAM system

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

제2도는 본 발명에 따른 회로도.2 is a circuit diagram according to the present invention.

Claims (2)

PAL/SECAM시스템의 Y신호 지연시간 자동 보상회로에 있어서, 입력되는 복합영상신호(CV)중 크로마신호를 트랩하고 휘도신호(Y)만을 소정 지연하여 출력하는 휘도신호 검출 지연수단과, 소정 스위칭 제어신호에 의해 상기 휘도신호 검출 지연수단의 지연출력을 패싱하거나 2차 지연출력하는 휘도신호 스위칭 지연수단과, 소정 인에이블 신호에 의해 동작되어 입력 복합영상신호(CB)중 제1방송방식의 복합영상신호를 패싱하는 제1크로마필터(60)와, 소정 인에이블 신호에 의해 동작되어 입력 복합영상신호(CV)중 제2방송방식의 복합영상신호만을 크로마 필터링하여 출력하는 제2크로마필터(70)와, 상기 제1크로마필터(60)의 출력을 입려하여 제1,제2방송방식의 복합영상신호를 검출하여 상기 제1, 제2크로마필터(60)(70)에 인에이블 신호를 제공하고 필터링되어진 크로마 신호를 리코딩하여 색차신호를 출력하는 크로마 디코더(80)와, 상기 휘도신호 스위칭수단과 크로마 디코더(80)의 출력을 믹싱하여 색신호를 출력하는 믹서(50)로 구성됨을 특징으로 하는 PAL/SECAM시스템의 Y신호 지연시간 자동 보상회로.A Y signal delay time automatic compensation circuit of a PAL / SECAM system, comprising: luminance signal detection delay means for trapping a chroma signal of an input composite video signal CV and delaying only the luminance signal Y by a predetermined delay; A luminance signal switching delay means for passing or delaying the delay output of the luminance signal detection delay means by a signal, and operated by a predetermined enable signal to perform a composite video of the first broadcast method among the input composite video signals CB. A first chroma filter 60 for passing a signal and a second chroma filter 70 operated by a predetermined enable signal to chroma-filter only the composite video signal of the second broadcast method among the input composite video signals CV and output the chroma signal. And applying the output of the first chroma filter 60 to detect the composite video signal of the first and second broadcast methods to provide an enable signal to the first and second chroma filters 60 and 70. Filtered filter PAL / SECAM, comprising: a chroma decoder 80 for recording a ma signal and outputting a color difference signal; and a mixer 50 for mixing a luminance signal switching means and an output of the chroma decoder 80 to output a color signal Automatic compensation circuit for Y signal delay time of system. 제1항에 있어서, 휘도신호 스위칭 지연수단이, 상기 휘도신호 검출 지연수단의 출력을 입력하는 단자와 출력 제1,제2단자를 가지며 상기 제1크로마필터(60)의 인에이블 신호에 의해 스위칭되는 아나로그스위치(30)와, 상기 아나로그수위치(30)의 출력 제2단자와 상기 믹서(50) 입력단자 사이에 접속되어 입력을 소정 지연하는 제2Y-지연라인(40)으로 구성됨을 특징으로 하는 PAL/SECAM시스템의 Y신호 지연시간 자동 보상 회로.2. The device of claim 1, wherein the luminance signal switching delay means has a terminal for inputting the output of the luminance signal detection delay means, and outputs first and second terminals and is switched by an enable signal of the first chroma filter 60. And a second Y-delay line 40 connected between the output second terminal of the analog number position 30 and the input terminal of the mixer 50 to delay the input. Automatic Y-signal delay time compensation circuit of PAL / SECAM system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880017815A 1988-12-29 1988-12-29 Automatic compensation circuit for Y signal delay time of PAL / SECAM system KR900011272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880017815A KR900011272A (en) 1988-12-29 1988-12-29 Automatic compensation circuit for Y signal delay time of PAL / SECAM system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880017815A KR900011272A (en) 1988-12-29 1988-12-29 Automatic compensation circuit for Y signal delay time of PAL / SECAM system

Publications (1)

Publication Number Publication Date
KR900011272A true KR900011272A (en) 1990-07-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880017815A KR900011272A (en) 1988-12-29 1988-12-29 Automatic compensation circuit for Y signal delay time of PAL / SECAM system

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KR (1) KR900011272A (en)

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