KR960003253Y1 - Convergence correcting device - Google Patents

Convergence correcting device Download PDF

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Publication number
KR960003253Y1
KR960003253Y1 KR2019900006094U KR900006094U KR960003253Y1 KR 960003253 Y1 KR960003253 Y1 KR 960003253Y1 KR 2019900006094 U KR2019900006094 U KR 2019900006094U KR 900006094 U KR900006094 U KR 900006094U KR 960003253 Y1 KR960003253 Y1 KR 960003253Y1
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KR
South Korea
Prior art keywords
correction device
convergence
deflection yoke
bobbin
correction
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KR2019900006094U
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Korean (ko)
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KR910020999U (en
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이정희
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삼성전관 주식회사
김정베
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Priority to KR2019900006094U priority Critical patent/KR960003253Y1/en
Publication of KR910020999U publication Critical patent/KR910020999U/en
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Publication of KR960003253Y1 publication Critical patent/KR960003253Y1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70Arrangements for deflecting ray or beam
    • H01J29/701Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/702Convergence correction arrangements therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/70Electron beam control outside the vessel
    • H01J2229/703Electron beam control outside the vessel by magnetic fields
    • H01J2229/7038Coil separators and formers

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  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

내용 없음.No content.

Description

컨버어젼스 보정장치Convergence Compensator

제1도는 본 고안에 관련된 보정장치의 사용예를 도시하는 사시도.1 is a perspective view showing an example of use of the correction device according to the present invention.

제2a도는 미스 컨버어젼스를 도시하는 설명도.2A is an explanatory diagram showing miss convergence.

제2b도는 종래 컨버어젼스 보정장치의 사용예를 도시하는 사시도.2B is a perspective view showing an example of use of a conventional convergence correction device.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 코일 2 : 보빈1: coil 2: bobbin

3 : 페라이트 코어 4 : 지지각3: ferrite core 4: support angle

본 고안은 편향요크에 의한 미스 컨버어젼스를 보정하는 컨버어젼스 보정장치에 관한 것이다.The present invention relates to a convergence correction device for correcting miss convergence caused by deflection yoke.

브라운관의 화상은 전자총에서 방사되는 전자비임을 네크 외주에 부착된 편향요크가, 이를 편향시켜서 화면에 주사되게 하여 나타나는 것이며, 편향요크는 전자비임을 편향시키는 수직자계와 수평자계를 형성하기 위한 수평 및 수직코일을 보유하고 있으며, 이들 수평 및 수직자계에 의하여 전자비임은 편향에 되는 것이지만,다른 한편으로는 편향된 화면이 미스 컨버어젼스 성분을 받게 된다.The picture of the CRT is that the deflection yoke attached to the neck circumference of the electron beam radiated from the electron gun is caused to be deflected and scanned on the screen, and the deflection yoke is horizontal and It holds a vertical coil, and by these horizontal and vertical magnetic fields, the electron beam is deflected, but on the other hand, the deflected screen receives a miss convergence component.

제2a도는 화면에 나타나는 미스 컨버어젼스 성분을 도시한다.2A shows a miss convergence component appearing on the screen.

화면에서 수직방향으로 R, B비임이 어긋나는 갭을 Xv라 하고, 또 수직방향에서 어긋나는 갭을 Yh라 한다.The gap in which the R and B beams shift in the vertical direction on the screen is referred to as Xv, and the gap in the vertical direction is referred to as Yh.

그런데, 이와 같은 Xv와 Yh를 합치시키려면, 네크에서 편향요크의 부착위치를 상하 또는 좌우로 움직여 조절한 다음, 적당히 선정된 위치에 편향요크를 고정하면 되지만, 전기한 Xv와 Yh는 상호 반대되는 성향을 가지고 있어서, 어느 한쪽을 일치시키면 다른쪽이 심하게 벌어지는 문제가 있다.By the way, in order to match Xv and Yh, it is necessary to adjust the mounting position of the deflection yoke in the neck by moving it up and down or left and right, and then fix the deflection yoke at an appropriately selected position. There is a tendency to match one side, the other side is a problem that is severely open.

이러한 문제점은 Xv와 Yh의 합치점이 상호 절충되는 곳을 편향요크의 부착위치로 선정하여 어느 정도의 미스 컨버어젼스를 허용하거나 혹은 제2b도에 도시한 바와 같이, 편향요크(D)의 터미날보드(B)상에 보정장치(C)를 설정하여 보정하는 방식이 있다.This problem is to select the position where the junction of Xv and Yh are mutually compromised as the attachment position of the deflection yoke to allow some misconvergence or as shown in FIG. 2b, the terminal board of the deflection yoke (D) There is a method of correcting by setting the correction device C on (B).

상기한 보정장치(C)를 이용하는 방식에 있어서는, 화면상에서 Yh성분이 합치되게 조절한 다음, 보정장치에서 발생하는 자계로 편향요크(D)의 수평자계를 상쇄시켜 미스컨버어젼스가 보정되게 하는 것이나,이 보정장치를 통하여 발생되는 자계는 일률적으로 고정되어 있는 관계로, 완벽한 보정이 불가능하다.In the method using the correction device C described above, the Yh component is adjusted to match on the screen, and then the horizontal magnetic field of the deflection yoke D is canceled by the magnetic field generated by the correction device so that the misconvergence is corrected. Since the magnetic field generated by this correction device is uniformly fixed, perfect correction is impossible.

한편, 일본국공개실용신안공보 소58-99755호에 개시된 보정장치는 코일의 권선형태를 변형시켜서 바람직한 보정자계가 발생될 수 있게 하고 있으나, 이 방식에 의하더라도 어느 정도의 미스 컨버어젼스는 생길 수 밖에 없다.On the other hand, the correction device disclosed in Japanese Patent Application Laid-Open No. 58-99755 allows a desired correction magnetic field to be generated by modifying the winding form of the coil. However, even with this method, some degree of miss convergence may occur. There is nothing else.

본 고안의 목적은 상술한 종래의 문제점을 해결하기 위하여 보정자계의 세기를 임의로 가변시킬 수 있는 구조의 컨버어젼스 보정장치를 제공함에 있다.An object of the present invention is to provide a convergence correction device having a structure capable of arbitrarily varying the strength of the correction magnetic field in order to solve the above-mentioned conventional problems.

이에 따라, 본 고안은 외주에 코일이 감겨진 보빈의 중심에 페라이트코어를 나삽하여 죄어 넣거나 풀어낼 수 있게 함과 아울러, 이 보빈의 축방향에서 지지각을 일체로 성형하여 구성됨을 특징으로 한다.Accordingly, the present invention is characterized in that the ferrite core is inserted into the center of the bobbin coil wound around the outer periphery to tighten or release, and the support angle is integrally formed in the axial direction of the bobbin.

이하, 본 고안의 바람직한 실시예를 첨부도면에 따라 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제1도의 도시와 같이 본 고안은 외주에 코일(1)이 감겨진 보빈(2)의 중심에 페라이트코어(3)를 나삽하고, 또 전기한 보빈의 축방향 일측으로 지지각(4)을 일체로 형성하고 있다.As shown in FIG. 1, the present invention inserts a ferrite core 3 in the center of the bobbin 2 on which the coil 1 is wound on the outer circumference, and integrates the support angle 4 on one side of the bobbin in the axial direction. To form.

이 지지각(4)은 종단에 그립퍼(5)를 보유하고 있는 것으로서, 이것에 의해 본 고안의 보정장치는 편향요크(D)의 터미널 보드(B)에 뚫려 있는 삽착공(B')을 삽입 부착되는 것이다.The support angle 4 has a gripper 5 at its end, whereby the compensator of the present invention inserts an insertion hole B 'bored in the terminal board B of the deflection yoke D. To be attached.

이와 같은 본 고안의 보정장치는 터미널보드(B)에 대하여 수직으로 기립설치되는 것이며, 따라서 페라이트코어(3)의 삽입정도를 조절하는 작업자는 위에서 내려다 보면서 조작할 수 있기 때문에 작업이 편리해진다.The correction device of the present invention is installed vertically with respect to the terminal board (B), so that the operator who adjusts the insertion degree of the ferrite core (3) can be operated while looking down from the top is convenient.

보빈(2)에서 발생하는 보정자계에 의해 편향요크(D)의 수평자계가 상쇄되는 현상은 종래와 동일하게 나타나지만, 본 고안에서는 페라이트코어(3)의 삽입정도를 조절하여 줌으로써, 미스 컨버어젼스 성분 Xv를 맞추어 보정자계의 세기를 조절할 수 있기 때문에, 보다 정교한 보정효과를 거둘 수 있다.The phenomenon in which the horizontal magnetic field of the deflection yoke D is canceled by the correction magnetic field generated in the bobbin 2 is the same as in the related art, but in the present invention, by adjusting the insertion degree of the ferrite core 3, the miss convergence Since the intensity of the correction field can be adjusted by fitting the component Xv, a more precise correction effect can be obtained.

또한, 도시한 바와 같이 2개의 보정장치로 나누어 설치할 경우, 조작이 편리한 자세로 설치되면서도 부피를 극소화할 수 있는 이점도 있다.In addition, when divided into two correction apparatus as shown, there is also an advantage that the volume can be minimized while being installed in a convenient posture.

Claims (1)

편향요크의 터미널 보드상에 보정장치를 설치하여 미스 컨버어젼스를 보정하는 컨버어젼스 보정장치에 있어서, 상기한 보정장치는, 외주에 코일(1)이 감겨진 보빈(2)의 중심 내부로 페라이트 코어(3)가 죄어지거나 풀어질 수 있도록 나사 결합되며, 상기한 보빈(2)의 축방향으로 지지각(4)이 일체로 형성됨을 특징으로 하는 컨버어젼스 보정장치.In a convergence correction device for correcting miss convergence by installing a correction device on a terminal board of a deflection yoke, the correction device is provided in the center of the bobbin 2 in which the coil 1 is wound on the outer circumference. Convergence correction device, characterized in that the ferrite core (3) is screwed to be tightened or loosened, the support angle (4) is integrally formed in the axial direction of the bobbin (2).
KR2019900006094U 1990-05-08 1990-05-08 Convergence correcting device KR960003253Y1 (en)

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KR2019900006094U KR960003253Y1 (en) 1990-05-08 1990-05-08 Convergence correcting device

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KR2019900006094U KR960003253Y1 (en) 1990-05-08 1990-05-08 Convergence correcting device

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KR960003253Y1 true KR960003253Y1 (en) 1996-04-19

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