KR940013179A - Monitor brightness adjustment circuit - Google Patents

Monitor brightness adjustment circuit Download PDF

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Publication number
KR940013179A
KR940013179A KR1019920021125A KR920021125A KR940013179A KR 940013179 A KR940013179 A KR 940013179A KR 1019920021125 A KR1019920021125 A KR 1019920021125A KR 920021125 A KR920021125 A KR 920021125A KR 940013179 A KR940013179 A KR 940013179A
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KR
South Korea
Prior art keywords
output
horizontal
vertical
outputting
brightness
Prior art date
Application number
KR1019920021125A
Other languages
Korean (ko)
Inventor
최종룡
Original Assignee
이헌조
주식회사 금성사
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
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019920021125A priority Critical patent/KR940013179A/en
Publication of KR940013179A publication Critical patent/KR940013179A/en

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Abstract

본 발명은 화면 사이즈의 변화에 따라 자동적으로 화면 밝기가 조절되게 한 모니터의 화면 밝기 자동조절 회로에 관한 것으로, 수평 사이즈 변동 출력을 내보내는 수평출력부(4), 수직사이즈 변동 출력을 내보내는 수직출력부(5), 수평, 수직 출력부(4)(5)의 출력 파형을 임피던스 분리하고 DC 전압으로 변경시켜 출력시키는 밝기 조절부(6) 밝기 조절부의 출력, 즉 수평, 수직 화면 사이즈의 변동에 따라 입력되는 영상증폭율을 변화시키는 증폭부(1), 증폭부의 주파수를 보정하는 주파수 보정부(3)를 구비하여 이루어진다.The present invention relates to an automatic screen brightness adjustment circuit of a monitor that automatically adjusts screen brightness according to a change in screen size. The present invention relates to a horizontal output unit 4 for outputting a horizontal size variation output and a vertical output unit for outputting a vertical size variation output. (5), the brightness control unit for separating the output waveform of the horizontal, vertical output unit (4) (5) by impedance separation and changing to DC voltage (6) the output of the brightness control unit, that is, in accordance with the change in the horizontal, vertical screen size And an amplifying section 1 for changing the input image amplification ratio and a frequency correcting section 3 for correcting the frequency of the amplifying section.

Description

모니터의 화면 밝기 자동조절 회로Monitor brightness adjustment circuit

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

제4도는 본 발명의 화면 밝기 자동조절 회로도.4 is a screen brightness automatic adjustment circuit of the present invention.

Claims (2)

수평사이즈 변동에 따른 수평 출력을 내보내는 수평출력부(4)와, 수직 사이즈 변동에 따른 수직 출력을 내보내는 수직 출력부(5)와, 상기 수평, 수직 출력부(4)(5)의 출력 파형을 각각 임피던스 분리하고 DC 전압으로 변경시켜 출력시키는 밝기 조절부(6)와, 상기 밝기 조절부의 출력 즉 수평, 수직 화면 사이즈의 변동에 따라 입력되는 영상증폭율을 변화시키는 증폭부(1)와, 상기 증폭부의 주파수를 보정하는 주파수 보정부(3)를 포함하여 구성함을 특징으로 하는 모니터의 화면 밝기 자동조절 회로.Output waveforms of the horizontal output unit 4 for outputting the horizontal output according to the horizontal size variation, the vertical output unit 5 for outputting the vertical output according to the vertical size variation, and the output waveforms of the horizontal and vertical output units 4 and 5 A brightness controller 6 for separating the impedance and outputting the DC voltage by changing the impedance, an amplifier 1 for changing the image amplification factor according to the output of the brightness controller, that is, the horizontal and vertical screen sizes, and the And a frequency correction unit (3) for correcting the frequency of the amplification unit. 제1항에 있어서, 밝기 조절부(6)는 상기 수평 출력부(4)의 출력과 수직 출력부(5)의 출력을 임피던스 분리시키기 위한 OP앰프(OP1)(OP2)를 포함하여 구성함을 특징으로 하는 모니터의 화면 밝기 자동 조절 회로.The brightness adjusting part (6) of claim 1, wherein the brightness adjusting part (6) comprises an OP amplifier (OP 1 ) (OP 2 ) for separating the output of the horizontal output part (4) and the output of the vertical output part (5). Automatic screen brightness adjustment circuit of a monitor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920021125A 1992-11-11 1992-11-11 Monitor brightness adjustment circuit KR940013179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920021125A KR940013179A (en) 1992-11-11 1992-11-11 Monitor brightness adjustment circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920021125A KR940013179A (en) 1992-11-11 1992-11-11 Monitor brightness adjustment circuit

Publications (1)

Publication Number Publication Date
KR940013179A true KR940013179A (en) 1994-06-25

Family

ID=67210925

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920021125A KR940013179A (en) 1992-11-11 1992-11-11 Monitor brightness adjustment circuit

Country Status (1)

Country Link
KR (1) KR940013179A (en)

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