KR950028544A - Color television automatic adjustment device - Google Patents

Color television automatic adjustment device Download PDF

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Publication number
KR950028544A
KR950028544A KR1019940006429A KR19940006429A KR950028544A KR 950028544 A KR950028544 A KR 950028544A KR 1019940006429 A KR1019940006429 A KR 1019940006429A KR 19940006429 A KR19940006429 A KR 19940006429A KR 950028544 A KR950028544 A KR 950028544A
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KR
South Korea
Prior art keywords
color
signal
amount
crt
driving
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Application number
KR1019940006429A
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Korean (ko)
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KR970007804B1 (en
Inventor
박해룡
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배순훈
대우전자 주식회사
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Priority to KR1019940006429A priority Critical patent/KR970007804B1/en
Publication of KR950028544A publication Critical patent/KR950028544A/en
Application granted granted Critical
Publication of KR970007804B1 publication Critical patent/KR970007804B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10—Details of semiconductor or other solid state devices to be connected
    • H01L2924/11—Device type
    • H01L2924/13—Discrete devices, e.g. 3 terminal devices
    • H01L2924/1304—Transistor

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

Abstract

본 발명은 시청자가 화면컬러량을 설정하여 둔 경우 화면의 복잡성에 따라 CRT(Cathod Ray Tube ： 음극선관) 구동수단에 인가되는 컬러량이 자동으로 조정될? 수 있도록 하기 위한 컬러텔레비전의 컬러량자동조정장치에 관한 것으로, 외부로부터 인가되는 컬러량설정신호와 방송국으로부터의 방송신호 중의 영상신호를 인가받아 그 컬러량 설정신호를 기초로 영상신호를 재생하기 위한 CRT구동신호(-Y)를 출력하는 색신호재생수단(10)과, 상기 색신호재생수단(10)에서 재생되는 휘도신호아 색도신호를 증폭출력시켜 CRT(40)를 구동시킬 수 있는 구동전압으로서 CRT구동수단(30)에 인가하는 CRT구동신호출력수단(20)을 갖춘 컬러텔레비전에서, 상기 CRT(20)에서 출력되는 상기 CRT(-Y)를 검출하여 그 고저에 따라 색도신호의 조정치를 제어하는 컬러량조정치판단수단(50)과； 상기 컬러량조정치판단수단(50)에서 제어된 컬러량조정치에 비례한 색도신호를 상기 색신호재생수단(10)에 제공하여 색도신호의 조정이 이루어지도록 하는 컬러량 출력수단(60)이 추가로 구성된 것이다.According to the present invention, when the viewer sets the screen color amount, the amount of color applied to the CRT (Cathod Ray Tube: cathode ray tube) driving means is automatically adjusted according to the complexity of the screen. The present invention relates to a color television automatic adjustment device for color television, which is capable of receiving a video signal from an external color signal and a broadcast signal from a broadcasting station and reproducing the video signal based on the color signal setting signal. CRT as a driving voltage capable of driving the CRT 40 by amplifying and outputting the color signal reproducing means 10 for outputting the CRT driving signal (-Y) and the luminance signal and chroma signal reproduced by the color signal reproducing means 10. In a color television having a CRT driving signal output means 20 applied to a driving means 30, the CRT (-Y) output from the CRT 20 is detected and the adjustment value of the chromaticity signal is controlled according to the height. Color amount adjustment value judging means (50); and chromaticity signals proportional to the color amount adjustment values controlled by the color amount adjustment value judging means (50) to the color signal reproducing means (10) to adjust the chromaticity signals. Color amount output means 60 which is configured to add.

Description

컬러텔레비전의 컬러량 자동조정장치Color television automatic adjustment device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 일실시예를 따른 컬러텔레비전의 컬러량자동조정장치의 회로도이다.1 is a circuit diagram of a color television automatic adjustment device of a color television according to an embodiment of the present invention.

Claims (5)

외부로부터 인가되는 컬러량설정신호와 방송국으로부터의 방송신호 중의 영상신호를 인가받아 그 컬러량신호를 기초로 영상신호를 재생하기 위한 CRT구동신호(-Y)를 출력하는 색신호재생수단(10)과, 상기 색신호재생수단(10)에서 재생되는 휘도신호와 색도신호를 증폭출력시켜 CRT(40)를 구동시킬 수 있는 구동전압으로서 CRT 구동수단(30)에 인가하는 CRT구동신호출력수단(20)을 갖춘 컬러텔레비전에 있어서, 상기 CRT구동신호출력수단(20)에서 출력되는 상기 CRT구동신호(-Y)를 검출하여 그 고저에 따라 색도신호의 조정치를 제어하는 컬러량 조정판단수단(50)과； 상기 컬러량조정치판단수단(50)에서 제어된 컬러량조정치에 비례한 색도신호를 상기 색신호재생수단(10)에 재공하여 색도신호의 조정이 이루어지도록 하는 컬러량 출력수단(60)이 추가로 구성된 것을 특징으로 하는 컬러량자동조정장치.Color signal reproducing means (10) for receiving a color amount setting signal applied from the outside and a video signal of a broadcast signal from a broadcasting station and outputting a CRT driving signal (-Y) for reproducing the video signal based on the color amount signal; The CRT driving signal output means 20 is applied to the CRT driving means 30 as a driving voltage capable of driving the CRT 40 by amplifying and outputting the luminance signal and the chromaticity signal reproduced by the color signal reproducing means 10. A color television with color quantity adjustment determining means (50) for detecting the CRT driving signal (-Y) output from the CRT driving signal output means (20) and controlling the adjustment value of the chromaticity signal in accordance with the height; The color amount output means 60 is further configured to provide a chroma signal to the color signal reproducing means 10 in proportion to the color amount adjusted value controlled by the color amount adjusting value judging means 50 to adjust the chroma signal. that Color amount automatic adjustment device according to claim. 제1항에 있어서, 상기 컬러량조정치판단수단(50)은 상기 CRT구동신호출력수단(20)에서 증폭출력되는 휘도신호의 전류량을 검출하는 전류구동량검출부(50A)와, 상기 전류구동량검출부(50A)에서 검출된 전류량을 적분하는 적분회로(50B) 및, 상기 적분회로(50B)에서 출력되는 적분치를 기초로 가변적인 전류량을 발생시키는 가변전류량발생부(50C)로 구성되는 것을 특징으로 하는 컬러텔레비전의 컬러량자동조정장치.2. The current driving amount detecting unit (50A) for detecting the current amount of the luminance signal amplified by the CRT driving signal output unit (20), and the current driving amount detecting unit (100). An integrating circuit 50B for integrating the amount of current detected at 50A, and a variable current amount generating unit 50C for generating a variable current amount based on the integral value output from the integrating circuit 50B. Color television automatic adjustment device. 제2항에 있어서, 상기 전류구동량검출부(50A)는 상기 CRT구동신호출력수단(20)의 출력단의 전류레벨에 따라 전류구동능력이 설정되는 트랜지스터(Q3)로 구성된 것을 특징으로 하는 컬러텔레비전의 컬러량자동조정장치.The color television according to claim 2, wherein the current driving amount detecting unit 50A comprises a transistor Q3 whose current driving capability is set according to the current level of the output terminal of the CRT driving signal output means 20. Color level adjustment device. 제3항에 있어서, 상기 적분회로(50B)는 상기 트래지스터(Q3)의 전류구동치에 따라 충전레벨이 조정되는 충전소자(C2)를 포함하여 구성된 것을 특징으로 하는 컬러텔레비전의 컬러량자동조정장치.4. The color quantity automatic adjustment of color television according to claim 3, wherein the integrating circuit (50B) comprises a charging element (C2) whose charging level is adjusted according to the current driving value of the transistor (Q3). Device. 제4항에 있어서, 상기 가변전류량발생부(50C)는 상기 적분회로(50C)의 충전소자(C2)에 충전되는 충전량이 많게 되는 경우 발광량이 적게 되고 상기 충전소자(C2)에 충전되는 충전량이 적게 되는 경우에는 발광량이 많도록 제어되는 발광다이오드(LD)와, 그 발광다이오드(LD)의 발광량에 따라 색도신호에 대한 전류량을 발생시키는 전계효과트랜지스터(Q4)로 이루어진 포토커플러인 것을 특징으로 하는 컬러텔레비전의 컬러량자동조정장치.The method of claim 4, wherein the variable current amount generating portion (50C) is a small amount of light emission when the charge amount to be charged in the charging element (C2) of the integrating circuit (50C) is reduced and the charge amount charged in the charging element (C2) In the case of a decrease, the photocoupler includes a light emitting diode LD controlled to have a large amount of light emission and a field effect transistor Q4 for generating a current amount for a chromaticity signal according to the light emission amount of the light emitting diode LD. Color television automatic adjustment device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940006429A 1994-03-30 1994-03-30 Automatic color control device of color television KR970007804B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940006429A KR970007804B1 (en) 1994-03-30 1994-03-30 Automatic color control device of color television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940006429A KR970007804B1 (en) 1994-03-30 1994-03-30 Automatic color control device of color television

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KR950028544A true KR950028544A (en) 1995-10-18
KR970007804B1 KR970007804B1 (en) 1997-05-16

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