KR960015183A - Bias Adjuster for Video Signals - Google Patents

Bias Adjuster for Video Signals Download PDF

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Publication number
KR960015183A
KR960015183A KR1019940027897A KR19940027897A KR960015183A KR 960015183 A KR960015183 A KR 960015183A KR 1019940027897 A KR1019940027897 A KR 1019940027897A KR 19940027897 A KR19940027897 A KR 19940027897A KR 960015183 A KR960015183 A KR 960015183A
Authority
KR
South Korea
Prior art keywords
signal
output
clamping
capacitor
clamping signal
Prior art date
Application number
KR1019940027897A
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Korean (ko)
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KR0130158B1 (en
Inventor
노진두
Original Assignee
배순훈
대우전자 주식회사
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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019940027897A priority Critical patent/KR0130158B1/en
Publication of KR960015183A publication Critical patent/KR960015183A/en
Application granted granted Critical
Publication of KR0130158B1 publication Critical patent/KR0130158B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/223—Controlling dimensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction

Abstract

본 발명은 모니터의 비디오 프로세서에 관한 것으로서, 특히 증폭된 비디오 신호의 크기를 조정하여 화질을 상승시킬 수 있는 비디오 신호의 바이어스 조정 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video processor of a monitor, and more particularly, to an apparatus for adjusting a bias of a video signal capable of increasing image quality by adjusting the size of an amplified video signal.

이와같은 본 발명은 상기 바이어스 조정부가 입력되는 클램핑 신호를 전송시키는 클램핑 신호 처리수단과, 상기 클램핑 신호 처리수단에서 출력되는 클램핑 신호 처리수단과, 상기 클램핑 신호 처리수단에서 출력되는 클램핑 신호의 크기를 조정하는 클램핑 신호 제어수단과, 상기 클램핑 신호 처리수단에서 출력되는 클램핑 신호에 따라 증폭된 비디오 신호의 크기가 조정되는 바이어스 제어수단으로 구성된다.As described above, the present invention adjusts clamping signal processing means for transmitting the clamping signal to which the bias adjustment unit is input, clamping signal processing means output from the clamping signal processing means, and clamping signal output from the clamping signal processing means. Clamping signal control means and bias control means for adjusting the magnitude of the amplified video signal according to the clamping signal output from the clamping signal processing means.

Description

비디오 신호의 바이어스 조정장치Bias Adjuster for Video Signals

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

제2도는 본 발명에 따른 비디오 신호의 바이어스 조정장치의 구성을 보인도면.2 is a diagram showing the configuration of a bias adjustment apparatus for a video signal according to the present invention.

Claims (4)

화면에 표시되도록 처리된 후 출력되는 비디오 신호가 증폭되는 비디오 증폭부와 상기 증폭된 비디오 신호의 크기를 조정하는 비디오 신호의 바이어스 조정부로 구성된 비디오 신호의 바이어스 조정장치에 있어서, 상기 바이어스 조정부가 입력되는 클램핑 신호를 전송시키는 클램핑 신호처리수단과, 상기 클램핑 신호 처리수단에서 출력되는 클램핑 신호의 크기를 조정하는 클램핑 신호 제어수단과, 상기 클램핑 신호 처리수단에서 출력되는 클램핑 신호에 따라 증폭된 비디오 신호의 크기가 조정되는 바이어스 제어수단으로 구성됨을 특징으로 하는 비디오 신호의 바이어스 조정장치.In the bias adjustment device of the video signal consisting of a video amplification unit which is processed to be displayed on the screen and the output video signal is amplified and a bias adjustment unit of the video signal for adjusting the size of the amplified video signal, the bias adjustment unit is input Clamping signal processing means for transmitting a clamping signal, clamping signal control means for adjusting the magnitude of the clamping signal output from the clamping signal processing means, and magnitude of the video signal amplified according to the clamping signal output from the clamping signal processing means. The bias control device of the video signal, characterized in that consisting of a bias control means to be adjusted. 제1항에 있어서, 상기 클램핑 신호 처리수단은 입력되는 클램핑 신호의 노이즈 성분을 제거하는 저항(R11) 및 콘덴서(C11)와, 상기 저항(R11) 및 콘덴서(C11)를 통해 출력되는 클램핑 신호를 통과시키는 버퍼용 트랜지스터(Q11)와, 상기 트랜지스터(Q11)의 출력신호를 커플링시키는 콘덴서(C12)와, 상기 콘덴서(C12)의 출력신호에 의해 스위칭되는 트랜지스터(Q12)로 구성됨을 특징으로 하는 비디오 신호의 바이어스 조정장치.The clamping signal processing unit of claim 1, wherein the clamping signal processing unit is configured to receive a clamping signal output through the resistor R11 and the capacitor C11 and the resistor R11 and the capacitor C11 to remove noise components of the input clamping signal. A buffer transistor Q11 to pass through, a capacitor C12 coupling the output signal of the transistor Q11, and a transistor Q12 switched by the output signal of the capacitor C12. Bias adjuster for video signals. 제2항에 있어서, 상기 클램핑 신호 제어수단은 입력되는 전압(V1)을 반파정류시킨 후 바이패스시키는 다이오드(D21) 및 저항(R21)과, 저항(R21)의 출력신호를 설정전압으로 일정하게 유지시키는 저항(R22) 및 제너다이오드(ZD21)와, 제너다이오드(ZD21)의 출력전압을 평할시키는 저항(R33) 및 콘덴서(C21)와, 콘덴서(C21)의 출력전압을 바이어스시켜 상기 트랜지스터(Q12)를 보호하는 저항(R24)으로 구성됨을 특징으로 하는 비디오 신호의 바이어스 조정장치.3. The clamping signal control means according to claim 2, wherein the clamping signal control means constantly rectifies the input voltage V1 and then bypasses the diode D21 and the resistor R21 and the output signal of the resistor R21 at a predetermined voltage. The transistor Q12 is biased by biasing the output voltages of the resistors R22 and zener diode ZD21 to be held, the output voltages of the zener diodes ZD21 and the capacitor R21 and capacitor C21, and the capacitor C21. And a resistor (R24) for protecting the bias signal. 제3항에 있어서, 상기 바이어스 제어수단은 상기 트랜지스터(Q12)의 스위칭 상태에 의해 다이오드(D11)에 의해 반파정류된 전압이 평할된 후 조정시키는 콘덴서(C31) 및 가변저항(VR31)와, 상기 비디오 증폭부에서 출력되는 비디오 신호의 노이즈 성분이 제거되는 저항(R31) 및 콘덴서(C32)와, 상기 저항(R31) 및 콘덴서(C32)의 출력신호의 크기가 상기 가변저항(VR31)과 함께 조정되는 저항(R32)로 구성됨을 특징으로 하는 비디오 신호의 바이어스 조정장치.4. The capacitor of claim 3, wherein the bias control means comprises: a capacitor C31 and a variable resistor VR31 for adjusting after the half-wave rectified voltage is flattened by the diode D11 by the switching state of the transistor Q12; Resistor R31 and condenser C32 from which the noise component of the video signal output from the video amplifier is removed, and the magnitudes of the output signals of the resistors R31 and C32 are adjusted together with the variable resistor VR31. And a resistor (R32). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940027897A 1994-10-28 1994-10-28 Bias control device of a video signal KR0130158B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940027897A KR0130158B1 (en) 1994-10-28 1994-10-28 Bias control device of a video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940027897A KR0130158B1 (en) 1994-10-28 1994-10-28 Bias control device of a video signal

Publications (2)

Publication Number Publication Date
KR960015183A true KR960015183A (en) 1996-05-22
KR0130158B1 KR0130158B1 (en) 1998-04-09

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KR1019940027897A KR0130158B1 (en) 1994-10-28 1994-10-28 Bias control device of a video signal

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020046400A (en) * 2000-12-14 2002-06-21 성재갑 Disposable diaper comprising skin protecting agent
KR101105574B1 (en) * 2009-04-06 2012-01-17 유한킴벌리 주식회사 Absorbent articles comprising an encapsulated plant extract showing insecticidal effect

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020046400A (en) * 2000-12-14 2002-06-21 성재갑 Disposable diaper comprising skin protecting agent
KR101105574B1 (en) * 2009-04-06 2012-01-17 유한킴벌리 주식회사 Absorbent articles comprising an encapsulated plant extract showing insecticidal effect

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Publication number Publication date
KR0130158B1 (en) 1998-04-09

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