KR960015649A - Convergence Measuring Device and Method - Google Patents

Convergence Measuring Device and Method Download PDF

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Publication number
KR960015649A
KR960015649A KR1019940025634A KR19940025634A KR960015649A KR 960015649 A KR960015649 A KR 960015649A KR 1019940025634 A KR1019940025634 A KR 1019940025634A KR 19940025634 A KR19940025634 A KR 19940025634A KR 960015649 A KR960015649 A KR 960015649A
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South Korea
Prior art keywords
convergence
color
signal
central processing
processing unit
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KR1019940025634A
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Korean (ko)
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KR0159583B1 (en
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윤정식
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이헌조
엘지전자 주식회사
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Publication of KR960015649A publication Critical patent/KR960015649A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/42Measurement or testing during manufacture

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

본 발명은 흑백 카메라를 이용하여 칼라를 구분하고 3색 빔간의 정확한 컨버전스를 측정하는 컨버전스 측정장치 및 방법에 관한 것으로서, 칼라 영상제품의 칼라 브라운관을 촬영하기 위반 흑백 카메라와, 상기 흑백 카메라에서 출력되는 신호를 입력받아 디지탈 신호로 처리하는 화상처리장치와, 상기 화상처리장치의 출력신호를 입력받고 시스템의 전반적인 동작을 제어하는 중앙처리장치와, 상기 중앙처리장치의 제어를 받아 측정결과를 디스플레이하는 표시장치와, 상기 중앙처러장치의 제어를 받아 컨버전스 계측에 필요한 패턴을 발생하는 신호발생기와, 상기 중앙처리장치의 제어를 받고 상기 신호발생기에서 출력되는 신호를 상기 칼라 브라운관에 공급하는 전원구동부로 구성된 것을 특징으로 한다.The present invention relates to a convergence measuring apparatus and method for distinguishing colors and measuring accurate convergence between three color beams by using a monochrome camera, and a black-and-white camera that violates photographing a color CRT of a color imaging product, which is output from the monochrome camera. An image processing apparatus for receiving a signal and processing the digital signal; a central processing unit for receiving an output signal of the image processing apparatus and controlling the overall operation of the system; and a display for displaying measurement results under control of the central processing unit. Device, a signal generator for generating a pattern for convergence measurement under the control of the central handling device, and a power driver for controlling the central processing device and supplying a signal output from the signal generator to the color CRT. It features.

Description

컨버전스 측정장치 및 방법Convergence Measuring Device and Method

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

제4도는 본 발명에 의한 컨버전스 측정장치의 구성 블럭도.4 is a block diagram of a convergence measurement apparatus according to the present invention.

Claims (5)

칼라 영상제품의 칼라 브라운관을 촬영하기 위한 흑백 카메라와, 상기 흑백 카메라에서 출력되는 신호를 입력받아 디지탈 신호로 처리하는 화상처리장치와, 상기 화상처리장치의 출력신호를 입력받고 시스템의 전반적인 동작을 제어하는 중앙처리장치와, 상기 중앙처리장치의 제어를 받아 측정결과를 디스플레이하는 표시장치와, 상기 중앙처리장치의 제어를 받아 컨버전스 계측에 필요한 패턴을 발생하는 신호발생기와, 상기 중앙처리장치의 제어를 받고 상기 신호발생기에서 출력되는 신호를 상기 칼라 브라운관에 공급하는 전원구동부로 구성된 것을 특징으로 하는 컨버전스 측청장치.A monochrome camera for photographing color CRT of a color image product, an image processing apparatus for receiving a signal output from the monochrome camera and processing it as a digital signal, and receiving an output signal of the image processing apparatus and controlling the overall operation of the system. A central processing unit, a display unit for displaying measurement results under control of the central processing unit, a signal generator for generating a pattern for convergence measurement under control of the central processing unit, and control of the central processing unit. And a power driver configured to receive and output a signal output from the signal generator to the color CRT. 신호발생기를 제어하여 칼라 브라운관에 특정색의 형광체가 발광하는 패턴을 발생시키고 이때의 화면을 흑백 카메라로 촬영하는 제1과정과, 상기 특정색의 형광체의 위치 및 나머지 형광체의 위치를 기억하는 제2과정과, 상기 칼라 브라운관에 컨버전스 조정용 패턴을 발생시키고 이때의 화면을 상기 흑백 카메라로 촬영하는 제3과정과, 화이트 밸런스 조정시 구해진 적색, 녹색, 청색의 밝기를 이용하여 색을 판별하는 제4과정으로 이루어진 것을 특징으로 하는 컨버전스 측정방법.Generating a pattern in which a phosphor of a specific color emits light in a color CRT by controlling a signal generator, and photographing a screen with a black and white camera at this time; and a second storing the position of the phosphor of the specific color and the positions of the remaining phosphors A third process of generating a convergence adjustment pattern on the color CRT and photographing the screen with the black and white camera, and a fourth process of discriminating color by using brightnesses of red, green, and blue obtained during white balance adjustment. Convergence measurement method, characterized in that consisting of. 제2항에 있어서, 상기 제3과정은 컨버전스 조정용 패턴에서 발광하는 형광체의 중심과 제2과정에서 구한 형광체의 중심을 비교하여 진동 정도를 구하여 보상하는 것을 특징으로 하는 컨버전스 측정방법.The method of claim 2, wherein the third process compares the center of the phosphor that emits light in the convergence adjustment pattern with the center of the phosphor obtained in the second process to obtain a degree of vibration to compensate. 제2항에 있어서, 상기 제4과정은 화이트 밸런스 조정시 구해진 적색, 녹색, 청색의 밝기를 각각 Rl, C1, B1라 하고, 현재 발광하는 형광체의 위치에서 구한 밝기를 공간적인 위치순서로 배열한 것을 각각 a, b, c라 할때, 밝기의 차이의 제곱합(El, E2, E3)을 E1=(R1-a)2+(G1-b)2+(B1-c)2, E2=(Rl-b)2+(G1-c)2+(B1-a)2, E3=(R1-c)2+(G1-a)2+(B1-b)2의 식으로 구하여 가장 작은 밝기의 차이의 제곱합으로 색을 배열하는 것을 특징으로 하는 컨버전스 측정방법.4. The method of claim 2, wherein the fourth process is to determine the brightness of the red, green, and blue obtained at the time of adjusting the white balance, respectively, Rl, C1, B1, and arrange the brightness obtained at the position of the currently emitting phosphor in spatial order. When a, b, and c are respectively, the sum of squares of the differences in brightness (El, E2, E3) is equal to E1 = (R1-a) 2 + (G1-b) 2 + (B1-c) 2 , E2 = ( Rl-b) 2 + (G1-c) 2 + (B1-a) 2 , E3 = (R1-c) 2 + (G1-a) 2 + (B1-b) 2 A method for measuring convergence, comprising arranging colors by the sum of squares of differences. 제2항에 있어서, 제3과정과 제4과정을 이용하여 컨버전스가 어굿난 정도를 표시장치로 디스플레이하는 과정을 포함하는 것을 특징으로 하는 컨버전스 측정방법.The method of claim 2, further comprising the step of displaying the degree of convergence on the display device using the third and fourth processes. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940025634A 1994-10-07 1994-10-07 Measuring apparatus for convergence and method thereof KR0159583B1 (en)

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KR1019940025634A KR0159583B1 (en) 1994-10-07 1994-10-07 Measuring apparatus for convergence and method thereof

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KR1019940025634A KR0159583B1 (en) 1994-10-07 1994-10-07 Measuring apparatus for convergence and method thereof

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KR960015649A true KR960015649A (en) 1996-05-22
KR0159583B1 KR0159583B1 (en) 1998-12-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100284091B1 (en) * 1997-08-26 2001-04-02 윤종용 Convergence Measurement Method and Device
KR20160110817A (en) 2015-03-13 2016-09-22 (주)본시스 Device of issuing certificates for preventing forgery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100284091B1 (en) * 1997-08-26 2001-04-02 윤종용 Convergence Measurement Method and Device
KR20160110817A (en) 2015-03-13 2016-09-22 (주)본시스 Device of issuing certificates for preventing forgery

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