KR960043829A

KR960043829A - TV brightness control device and control method

Info

Publication number: KR960043829A
Application number: KR1019950013202A
Authority: KR
Inventors: 박범진
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-05-25
Filing date: 1995-05-25
Publication date: 1996-12-23

Abstract

본 발명은 텔레비전의 밝기조절장치 및 조절방법에 관한 것으로, 실내의 밝기를 수광부(10)에서 감지하고, 이 수광부(10)에서 감지한 센서 전압의 레벨을 디지탈로 변화하여 마이컴(30)에 설정되어 있는 퍼지 논리 값에 따라 자동으로 화면의 밝기를 조절하게 함으로써, 최적의 화면상태를 유지하게 한 효과가 있다.The present invention relates to a brightness control device and a control method of a television, and detects the brightness of the room in the light receiving unit 10, and changes the level of the sensor voltage detected by the light receiving unit 10 to be set in the microcomputer 30. By automatically adjusting the brightness of the screen according to the set fuzzy logic value, there is an effect to maintain the optimal screen state.

Description

TV brightness control device and control method

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

제 3 도의 (가)는 본 발명에 따른 텔레비젼의 밝기조절장치의 개략적인 블럭선도, (나)는 밝기의 소속함수를 나타낸 그래프.Figure 3 (a) is a schematic block diagram of the brightness control device of the television according to the present invention, (b) a graph showing the membership function of the brightness.

Claims

A light receiving unit 10 for sensing an amount of light according to the brightness of the room and converting the amount of light into a magnitude of a sensor voltage to output the light; An A / D converter 20 for changing the magnitude of the sensor voltage of the analog signal according to the detection of the light receiver 10 into a digital signal and outputting the digital signal; A microcomputer 30 for inputting a digital sensor voltage output from the A / D converter 20 to output a bright waveform of pulse width modulation according to a sensor voltage value; And a CROMA IC (40) for inputting a bright waveform output from the microcomputer (30) to adjust the brightness of the screen according to a preset setting value.

Comparing the first experimental value due to the purge with the first sensor voltage value and outputting a bright waveform 50 of the pulse width modulation according to the experiment when the first experimental value is large, and performing the next step when the first experimental value is large; Comparing the second experimental value due to the purge with the second sensor voltage value and outputting the bright waveform 60 of the pulse width modulation by the experiment when the second experimental value is large, and performing the next step when the second experimental value is small; Comparing the third experimental value due to the purge with the third sensor voltage value and outputting the bright waveform 70 of the pulse width modulation by the experiment when the third experimental value is large, and performing the next step when the third experimental value is large; Comparing the fourth experimental value due to the purge to the fourth sensor voltage value and outputting the bright waveform 80 of the pulse width modulation by the experiment when the fourth experimental value is large, and performing the next step when the fourth experimental value is large; Comparing the fifth experimental value due to the purge with the fifth sensor voltage value and outputting the bright waveform 90 of the pulse width modulation by the experiment when the fifth experimental value is large, and performing the next step when the fifth experimental value is large; Comparing the sixth experimental value due to the purge with the sixth sensor voltage value and outputting the bright waveform 100 of the pulse width modulation according to the experiment when the sixth experimental value is large, and performing the next step when the sixth experimental value is large; And comparing the seventh experimental value due to the purge with the seventh sensor voltage value and outputting the bright waveform 110 of the pulse width modulation by the experiment when the seventh experimental value is large, and performing the following step when the smallest is small. The brightness adjustment method of the TV, characterized in that the operation sequentially.

※ Note: The disclosure is based on the initial application.