KR910013884A - Ghost Elimination Circuit Using GCR Signal - Google Patents

Ghost Elimination Circuit Using GCR Signal Download PDF

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Publication number
KR910013884A
KR910013884A KR1019890019918A KR890019918A KR910013884A KR 910013884 A KR910013884 A KR 910013884A KR 1019890019918 A KR1019890019918 A KR 1019890019918A KR 890019918 A KR890019918 A KR 890019918A KR 910013884 A KR910013884 A KR 910013884A
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KR
South Korea
Prior art keywords
signal
ghost
inputting
detecting
gcr
Prior art date
Application number
KR1019890019918A
Other languages
Korean (ko)
Inventor
이태성
Original Assignee
강진구
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890019918A priority Critical patent/KR910013884A/en
Publication of KR910013884A publication Critical patent/KR910013884A/en

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Abstract

내용 없음.No content.

Description

GCR신호를 이용한 고스트 제거회로Ghost Elimination Circuit Using GCR Signal

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

제1도는 본 발명에 따른 회로도,1 is a circuit diagram according to the present invention,

제2도는 제1도중 각부의 동작 파형도.2 is an operational waveform diagram of each part of FIG.

Claims (1)

화상정보를 송수신하는 장치의 GCR신호를 이용한 고스트 제거회로에 있어서, 복합 영상신호를 입력하여 수직동기를 검출하는 수직동기 검출부(10)와, 상기 수직동기 검출부(10)에서 검출된 수직동기에서 고스트신호를 검출하는 제1고스트 검출부(20)와, GCR신호를 발생하는 GCR신호 발생부(30)와, 상기 GCR신호 발생부(30)의 출력신호를 입력하여 고스트 신호를 검출하는 제2게스트 검출부(40)와, 상기 제1-2고스트 검출부(20)(40)의 출력인 고스트 신호를 각각 입력하여 상기 두 신호를 비교하여 시간차(△T)를 검출하는 제1비교기(50)와, 상기 제1-2고스트 검출부(20)(40)의 출력인 고스트 신호를 각각 입력하여 상기 두 신호를 비교하여 크기차(△T)를 검출하는 제2비교기(60)와, 상기 제1비교기(50)에서 시간차(△T)를 검출단 신호에 의해 복합영상신호의 원래 고스트가 발생한 신호를 지연시키는 지연부(70)와, 상기 지연부(70)에서 지연된 고스트 신호를 입력하여 상기 제2비교기(60)에서 검출된 크기차(△T)만큼 이득을 조정하는 이득조정부(80)와, 복합 영상 신호에서 원래 발생된 고스트 신호를 입력하여 상기 이득 조정부(80)에서 이득이 조정된 고스트 신호를 가산하는 가산기(90)로 구성됨을 특징으로 하는 회로.A ghost elimination circuit using a GCR signal of an apparatus for transmitting and receiving image information, comprising: a vertical synchronous detection unit 10 for inputting a composite video signal and detecting vertical synchronous; A first ghost detector 20 for detecting a signal, a GCR signal generator 30 for generating a GCR signal, and a second guest detector for detecting a ghost signal by inputting an output signal of the GCR signal generator 30 A first comparator 50 for inputting a ghost signal which is an output of the first-2 ghost detectors 20 and 40, and comparing the two signals to detect a time difference ΔT; A second comparator 60 for inputting a ghost signal, which is an output of the second ghost detection unit 20, 40, respectively, and comparing the two signals to detect a magnitude difference ΔT; The original ghost of the composite video signal is generated by detecting the time difference A delay adjusting unit 80 for delaying one signal and a gain adjusting unit 80 for adjusting gain by a magnitude difference ΔT detected by the second comparator 60 by inputting a ghost signal delayed by the delaying unit 70; And an adder (90) for inputting a ghost signal originally generated from the composite video signal and adding a ghost signal whose gain is adjusted by the gain adjusting unit (80). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019918A 1989-12-28 1989-12-28 Ghost Elimination Circuit Using GCR Signal KR910013884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890019918A KR910013884A (en) 1989-12-28 1989-12-28 Ghost Elimination Circuit Using GCR Signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019918A KR910013884A (en) 1989-12-28 1989-12-28 Ghost Elimination Circuit Using GCR Signal

Publications (1)

Publication Number Publication Date
KR910013884A true KR910013884A (en) 1991-08-08

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ID=67662319

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890019918A KR910013884A (en) 1989-12-28 1989-12-28 Ghost Elimination Circuit Using GCR Signal

Country Status (1)

Country Link
KR (1) KR910013884A (en)

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