KR850004000A - Vertical Contour Compensator - Google Patents

Vertical Contour Compensator Download PDF

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Publication number
KR850004000A
KR850004000A KR1019840007272A KR840007272A KR850004000A KR 850004000 A KR850004000 A KR 850004000A KR 1019840007272 A KR1019840007272 A KR 1019840007272A KR 840007272 A KR840007272 A KR 840007272A KR 850004000 A KR850004000 A KR 850004000A
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KR
South Korea
Prior art keywords
signal
output
synthesizing
delay
pass filter
Prior art date
Application number
KR1019840007272A
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Korean (ko)
Other versions
KR900001796B1 (en
Inventor
도시미쯔 우메자와
Original Assignee
사바 쇼오이찌
가부시끼 가이샤 도오시바
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Publication date
Application filed by 사바 쇼오이찌, 가부시끼 가이샤 도오시바 filed Critical 사바 쇼오이찌
Publication of KR850004000A publication Critical patent/KR850004000A/en
Application granted granted Critical
Publication of KR900001796B1 publication Critical patent/KR900001796B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • H04N5/205Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Abstract

내용 없음No content

Description

수직윤곽 보정장치Vertical Contour Compensator

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

제9도는 본 발명의 수직윤곽 보정장치의 일실시예를 나타내는 회로도,9 is a circuit diagram showing an embodiment of the vertical contour correction apparatus of the present invention;

제10도 및 제11도는 제9도의 회로동작설명용 신호파형도.10 and 11 are signal waveform diagrams for explaining the circuit operation of FIG.

Claims (2)

영상신호원, 상기 영상신호원으로 부터 공급되어지는 영상신호인 제1신호와 제2신호를 합성시키는 제1합성수단, 상기 제1합성수단에 그 입력단이 접속되면서 그 입력단에 공급되어지는 신호를 1수평 주사기간동안 지연시켜서 그 출력단으로부터 송출되어지게 하는 지연수단, 상기 지연수단의 출력단에서 얻어지는 신호와 상기 제1신호를 감산적으로 혼합시키는 감산적 혼합수단, 상기 감산적 혼합수단의 출력신호를 처리해서 제1신호의 레벨에 대해 작은레벨을 가지면서 극성이 반전된 신호를 상기 제1합성수단에 제2신호를 공급하기 위한 궤환회로망, 상기 지연수단의 출력수단에서 얻어지는 신호와 상기 감산적 혼합수단의 출력신호를 소정의 비율로 가산적으로 혼합시켜 프리슈트와 오버슈트에 붙은 영상신호를 송출시키는 가산적 혼합수단등을 구비하여서 구성되어어진 수직윤곽 보정장치.A video signal source, a first synthesizing means for synthesizing a first signal and a second signal, which are video signals supplied from the video signal source, and a signal supplied to the input terminal while the input terminal is connected to the first synthesizing means; Delay means for delaying one horizontal syringe to be sent out from the output end, subtractive mixing means for subtracting the signal obtained at the output end of the delay means and the first signal, and output signal of the subtractive mixing means. A feedback network for supplying the second signal to the first synthesizing means a signal having a small level with respect to the level of the first signal by processing, the signal obtained from the output means of the delay means and the subtractive mixing Additive mixing means for outputting the video signal attached to the preshoot and overshoot by adding the output signal of the means at a predetermined ratio. Vertical contour correction device composed in comparison. 컬러텔레비젼 신호원, 상기 컬러텔레비젼 신호원으로부터 공급되어지는 영상신호인 제1신호와 제2신호를 합성시키는 제1합성수단, 상기 제1합성수단에 그 입력단이 접속되면서 그 입력단에 공급되어지는 신호를 1수평주사 기간동안 지연시켜서 그 출력단으로부터 송출되어 지게하는 지연수단, 상기 지연수단의 출력단에서 얻어지는 신호와 상기 제1신호를 감산적으로 혼합시키는 감산적 혼합수단, 상기 감산적 혼합수단에 의해 감산적 혼합출력 신호로부터 저주파성분을 분리해서 송출되어지게 하는 저역통과 여파기, 상기 저역통과 여파기에 의해 분리된 신호를 처리해서 상기 제 신호레벨에 대해 작은 레벨을 가지면서 극성이 반전된 신호를 상기 제1합성수단에 제2신호로 공급하기 위한 궤환회로망, 상기 제1신호와 상기 지연수단에 의해 지연된 신호 및 상기 저역통과 여파기등에 의해 분리된 신호를 소정의 비율로가산적으로 혼합시켜 그 출력으로 프리슈트와 오버슈트가 붙은 휘도신호를 송출시키는 가산적 혼합수단을 구비하고, 상기 저역통과 여파기를 통한 신호가 지연작용을 받을때에는 필요에 용해서 상기 저역통과 여파기의 출력에 준한 신호로 합성혼합된 신호에 대해 상기 지연작용에 따른 시간적 오차를 보정하기 위한 수단을 설치하여서 구성되어진 수직윤곽 보정장치.A color television signal source, a first synthesizing means for synthesizing a first signal and a second signal, which are video signals supplied from the color television signal source, and a signal supplied to an input end thereof while the input end thereof is connected to the first synthesizing means; Delay means for delaying a horizontal scanning period from the output end thereof, subtractive mixing means for subtractively mixing the signal obtained at the output end of the delay means and the first signal, and subtracting the subtractive mixing means. A low pass filter for separating low frequency components from the red mixed output signal and a signal separated by the low pass filter to process a signal having a small level with respect to the first signal level and inverting the polarity of the signal; Feedback network for supplying to the synthesizing means as a second signal, a signal delayed by the first signal and the delay means And an additive mixing means for adding the signal separated by the low pass filter at a predetermined ratio and outputting the luminance signal with the preshoot and the overshoot as its output, and the signal through the low pass filter. And a means for correcting the temporal error according to the delay action for the signal mixed with the signal according to the output of the low pass filter when necessary when the delay action is applied. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840007272A 1983-11-26 1984-11-21 Vertical contour correction device KR900001796B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP221395 1983-11-26
JP58221395A JPS60114089A (en) 1983-11-26 1983-11-26 Vertical contour correction device
JP58-221395 1983-11-26

Publications (2)

Publication Number Publication Date
KR850004000A true KR850004000A (en) 1985-06-29
KR900001796B1 KR900001796B1 (en) 1990-03-24

Family

ID=16766089

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840007272A KR900001796B1 (en) 1983-11-26 1984-11-21 Vertical contour correction device

Country Status (2)

Country Link
JP (1) JPS60114089A (en)
KR (1) KR900001796B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729420U (en) * 1980-07-28 1982-02-16

Also Published As

Publication number Publication date
JPS60114089A (en) 1985-06-20
JPH0216634B2 (en) 1990-04-17
KR900001796B1 (en) 1990-03-24

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