KR840004644A - Video signal picking device - Google Patents

Video signal picking device Download PDF

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Publication number
KR840004644A
KR840004644A KR1019830001276A KR830001276A KR840004644A KR 840004644 A KR840004644 A KR 840004644A KR 1019830001276 A KR1019830001276 A KR 1019830001276A KR 830001276 A KR830001276 A KR 830001276A KR 840004644 A KR840004644 A KR 840004644A
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KR
South Korea
Prior art keywords
signal
video signal
output
video
peaking
Prior art date
Application number
KR1019830001276A
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Korean (ko)
Other versions
KR920000980B1 (en
Inventor
알버트 하워드 레오폴드 (외 3)
Original Assignee
글렌 에이취. 브르스틀
알 씨 에이 코포레이션
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.)
Filing date
Publication date
Priority claimed from US06/394,885 external-priority patent/US4509080A/en
Application filed by 글렌 에이취. 브르스틀, 알 씨 에이 코포레이션 filed Critical 글렌 에이취. 브르스틀
Publication of KR840004644A publication Critical patent/KR840004644A/en
Application granted granted Critical
Publication of KR920000980B1 publication Critical patent/KR920000980B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/142—Edging; Contouring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

내용 없음No content

Description

비데오 신호 피킹장치Video signal picking device

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

제1도는 본 발명의 구체적인 실시예에 의한 피킹 시스템이 내장된 칼라텔레비젼 수상기의 휘도채널부의 부분적인 계통도 및 개요도1 is a partial schematic and schematic diagram of a luminance channel portion of a color television receiver having a picking system according to a specific embodiment of the present invention;

제2도는 제1도의 피킹 시스템에서 코어링 레벨제어 전압 발생용으로 사용될수 있는 개략 회로도.2 is a schematic circuit diagram that can be used for generating a coring level control voltage in the picking system of FIG.

Claims (3)

재생될 영상의 휘도를 나타내는 비데오 신호원(I)을 포함하고 있는 영상 재생 시스템의 비데오 신호 피킹 시스템에 있어서, 상기비데오 신호에 응답하여 조정 가능하게 코어된 수평 피킹신호 출력을 형성하며 코어링 레벨 제어단자(CC)를 내장하여 이 단자에서 발생하는 전원 레벨에 따라 상기 수평 피킹신호 출력의 코어링 깊이를 제어하는 신호형성수단(18)과, 가변 코어링 레벨 제어 전위를 생성하여 제어단자에 공급하는 수단(25)과, 신호 형성 수단의 조정가능하게 코어된 수평 피킹신호 출력에 응답하는 이득제어피킹신호 트랜스레이터(19)와, 이득제어 피킹신호 트랜스레이터의 출력과 비데오 신호원으로 부터의 비데오 신호를 결합시켜 피크휘도 신호를 형성하는 수단(20)과, 피크휘도 신호에 응답하는 입력을 가지며 비데오 신호에 의해 점유되는 주파수 대역의 일부를 포함하는 통과대역을 가진 주파수 선택증폭기 및, 주파수 선택 증폭기의 출력 진폭에 응답하여 피킹 신호 트랜스레이터의 이득을 상기 진폭에 변동이 생기지 않을 정도로 제어하는 수단(23)을 특징으로하는 비데오 신호 피킹장치.A video signal picking system of a video reproducing system including a video signal source (I) indicative of the brightness of an image to be reproduced, the video signal picking system comprising: a coarse level control in which an adjustable cored horizontal picking signal output is formed in response to the video signal A signal forming means 18 for controlling the coring depth of the horizontal peaking signal output according to the power level generated at the terminal by embedding the terminal CC, and generating and supplying a variable coring level control potential to the control terminal. Combining means 25, a gain control peaking signal translator 19 responsive to the adjustable cored horizontal peaking signal output of the signal forming means, and an output of the gain control peaking signal translator and a video signal from a video signal source Means 20 for forming a peak luminance signal and an input responsive to the peak luminance signal and occupied by the video signal. A video comprising a frequency selective amplifier having a pass band including a portion of the frequency band and means (23) for controlling the gain of the peaking signal translator in such a way that the amplitude of the amplitude does not change in response to the output amplitude of the frequency selective amplifier. Signal picking device. 제1항에 의한 장치에 있어서, 비데오 신호원(I)으로 부터의 비데오 신호가 공급되는 적절히 종단된 입력단(L)과 오종단된 출력단(L')을 가진 지연선(16)을 구비하여, 상기 신호형성수단(18)이 지연선의 입출력단에서 생긴 신호에 응답하도록 한것을 특징으로하는 비데오 신호피킹 장치.An apparatus according to claim 1, comprising a delay line 16 having a properly terminated input end L and an incorrectly terminated output end L 'to which a video signal from the video signal source I is supplied. And the signal forming means (18) responds to a signal generated at an input / output terminal of a delay line. 제1항에 의한 장치에 있어서, 제어전위 생성수단(25)이 비데오 신호원(I)으로부터의 비데오 신호에 응답하도록 한 것을 특징으로 하는 비데오 신호 피킹장치.Device according to claim 1, characterized in that the control potential generating means (25) is responsive to the video signal from the video signal source (I). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830001276A 1982-03-31 1983-03-29 Video signal peaking apparatus KR920000980B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US36386882A 1982-03-31 1982-03-31
US363,868 1982-03-31
US06/394,885 US4509080A (en) 1982-07-02 1982-07-02 Video signal peaking system
US394,885 1982-07-02

Publications (2)

Publication Number Publication Date
KR840004644A true KR840004644A (en) 1984-10-22
KR920000980B1 KR920000980B1 (en) 1992-01-31

Family

ID=27002242

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001276A KR920000980B1 (en) 1982-03-31 1983-03-29 Video signal peaking apparatus

Country Status (5)

Country Link
KR (1) KR920000980B1 (en)
DE (1) DE3311883C2 (en)
FR (1) FR2524753B1 (en)
GB (1) GB2118396B (en)
IT (1) IT1175303B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437124A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamic coring circuit
US4536796A (en) * 1983-08-23 1985-08-20 Rca Corporation Non-linear dynamic coring circuit for video signals
US4882626A (en) * 1988-05-04 1989-11-21 Rca Licensing Corporation Signal combining circuitry
KR910006373B1 (en) * 1988-06-11 1991-08-21 삼성전자 주식회사 Noise removing level control circuit
KR920010938B1 (en) * 1990-05-21 1992-12-24 삼성전자 주식회사 Circuit for controlling vertical concentration
US5187567A (en) * 1991-10-03 1993-02-16 Zenith Electronics Corporation Automatic video peaking system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984865A (en) * 1975-03-26 1976-10-05 Rca Corporation Transient suppression in television video systems
US4080627A (en) * 1977-01-19 1978-03-21 Gte Sylvania Incorporated Aperture correction circuitry for a video correction system
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus
US4399460A (en) * 1981-10-09 1983-08-16 Rca Corporation Video signal peaking control system with provision for automatic and manual control

Also Published As

Publication number Publication date
GB8308452D0 (en) 1983-05-05
GB2118396A (en) 1983-10-26
FR2524753A1 (en) 1983-10-07
DE3311883A1 (en) 1983-10-06
KR920000980B1 (en) 1992-01-31
DE3311883C2 (en) 1986-03-27
GB2118396B (en) 1985-09-25
IT1175303B (en) 1987-07-01
IT8320346A0 (en) 1983-03-29
FR2524753B1 (en) 1988-11-10

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