KR890005712Y1 - Structure of ferrite core quick return winding - Google Patents
Structure of ferrite core quick return winding Download PDFInfo
- Publication number
- KR890005712Y1 KR890005712Y1 KR2019870010326U KR870010326U KR890005712Y1 KR 890005712 Y1 KR890005712 Y1 KR 890005712Y1 KR 2019870010326 U KR2019870010326 U KR 2019870010326U KR 870010326 U KR870010326 U KR 870010326U KR 890005712 Y1 KR890005712 Y1 KR 890005712Y1
- Authority
- KR
- South Korea
- Prior art keywords
- cathode
- cathode cap
- ferrite core
- quick return
- cap
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/76—Deflecting by magnetic fields only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/70—Electron beam control outside the vessel
- H01J2229/703—Electron beam control outside the vessel by magnetic fields
- H01J2229/7031—Cores for field producing elements, e.g. ferrite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/70—Electron beam control outside the vessel
- H01J2229/703—Electron beam control outside the vessel by magnetic fields
- H01J2229/7032—Conductor design and distribution
- H01J2229/7033—Winding
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래의 캐소우드 캡 단면도.1 is a cross-sectional view of a conventional cathode cap.
제2도는 본 고안의 캐소우드 캡 단면도.2 is a cross-sectional view of the cathode cap of the present invention.
제3도는 본 고안의 캐소우드 캡에 전자 방사 물질을 점착한 상태의 단면도.3 is a cross-sectional view of a state in which the electron-emitting material is attached to the cathode cap of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
2 : 캐소우드 캡 3 : 홈2: cathode cap 3: groove
본 고안은 캐소우드 캡에 관한 것으로써, 특히 전자 방사 물질의 이탈을 방지하는 오목형 캐소우드 캡에 대한 것이다.The present invention relates to a cathode cap, and more particularly to a concave cathode cap that prevents the escape of electrospinning material.
일반적으로 음극선관용 전자총은 캐소우드가 히터에 의해 가열되므로써 측단에 복착되는 캐소우드 캡에 점착된 전자 방사 물질이 방출되고, 다수개의 격자 전극에 의하여 제어되르로써 샤프하고 높은 에너지의 전자 비임으로 방사한다.In general, an electron gun for a cathode ray tube emits an electron emitting material adhered to a cathode cap which is coated on the side end by heating the cathode by a heater, and is controlled by a plurality of lattice electrodes to emit a sharp, high energy electron beam. .
이와같이 방사되는 전자 비임은 샤도우 마스크를 통하여 판넬에 도포되어 있는 형광체에 충돌하므로써 영상을 나타나게 한다.The electron beam thus emitted impinges upon the phosphor applied to the panel through the shadow mask to display an image.
이와같은 칼라 화상을 표시하기 위한 표시관에 있어서는 보통 R,G,B 3개의 전자비임을 발생하게 되는데 이러한 표시관에 있어서 음극1개의 수명이 다른 음극의 수명보다 짧은 경우는 색이동이 발생하는 문제점이 발생된다.음극의 수명을 짧게하는 요인의 하나로서 캐소우드 캡위의 전자 방출 물질이 쉽게 떨어지는 것을 들 수 있다. 일반적으로 캐소우드 캡의 형상은 제1도에 도시한 바와 같이, 캐소우드 슬리이브(도시생략)에 삽입되는 개구부(O)와 전자 방사물질이 점착되는 캡 상단부(T)로 형성되는데 캡 상단부(T)가 평면을 이루고 있으므로 공정중 운반할시나 배기시의 고온 상태에서 쉽게 떨어지게 된다.In the display tube for displaying such color images, three electron beams of R, G, and B are usually generated. In such display tubes, color shift occurs when one cathode is shorter than the other cathode. One of the factors that shorten the lifetime of the cathode is that the electron-emitting material on the cathode cap easily falls off. In general, as shown in FIG. 1, the shape of the cathode cap is formed by an opening O inserted into the cathode sleeve (not shown) and a cap upper end T to which an electron emitting material is adhered. Since T) is flat, it easily falls in the high temperature state during transportation or exhaust during the process.
본 고안은 상기한 종래의 제반 문제점을 해소하기 위하여 안출한 것으로써, 전자 방사물질의 점착력이 지속적으로 유지될 수 있도록 하여 전자총의 성능 향상과 수명을 연장시킬 수 있도록 하는 캐소우드 캡을 제공함에 그 목적이 있다.The present invention has been made in order to solve the above-mentioned conventional problems, to provide a cathode cap that can improve the performance and life of the electron gun to ensure that the adhesive force of the electron emitting material is continuously maintained. There is a purpose.
이하 본 고안의 구성을 첨부된 도면에 의하여 좀더 상세히 기술하면 다음과 같다.Hereinafter, the configuration of the present invention will be described in more detail with reference to the accompanying drawings.
제2도의 도시와 같이, 캐소우드 슬리이브(도시생략)가 삽입되는 통상의 개구부(1)을 갖는 캐소우드 캡(2)에 있어서, 상단부에 캐소우드 캡(2)보다 다소 작은 직경의 홈(3)을 형성하여자상의 단면을 형성하는 구조이다.As shown in FIG. 2, in a cathode cap 2 having a normal opening 1 into which a cathode sleeve (not shown) is inserted, a groove having a diameter slightly smaller than that of the cathode cap 2 at the upper end ( 3) by forming It is a structure that forms a magnetic cross section.
상기홈(3)은 프레스 가공으로 형성되는데 캐소우드 캡(2)가 박판의 금속으로 되어 있어 가능케 된다. 이와같이 구성되는 본 고안의 캐소우드캡(2)에 제3도의 도시와 같이 전자방사물질(4)을 점착하게 되면 중앙부위가 홈(3)에 삽입되어 보전되므로써 운반 도중이나 고온 상태에서도 이탈현상이 방지되어 전자총의 수명을 길게할 수 있고 R,G,B3개의 전자총중 어느하나 또는 두개의 전자총내의 캐소우드 캡에 점착된 전자 방사물질이 이탈되므로써 초래되던 색이동 현상을 방지할 수 있는 유용한 고안인 것이다.The grooves 3 are formed by press working, and the cathode cap 2 is made of a thin sheet metal, thereby making it possible. When the electromagnetic radiation material 4 is adhered to the cathode cap 2 of the present invention, as shown in FIG. 3, the center part is inserted into the groove 3 to be retained, so that the separation phenomenon may occur during transport or at a high temperature. It is possible to extend the life of the electron gun and to prevent the color shift phenomenon caused by the release of the electron emission material adhered to the cathode cap of one of the two guns or the R, G, and B guns. will be.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870010326U KR890005712Y1 (en) | 1987-06-27 | 1987-06-27 | Structure of ferrite core quick return winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870010326U KR890005712Y1 (en) | 1987-06-27 | 1987-06-27 | Structure of ferrite core quick return winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890001546U KR890001546U (en) | 1989-03-18 |
| KR890005712Y1 true KR890005712Y1 (en) | 1989-08-25 |
Family
ID=19264555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870010326U KR890005712Y1 (en) | 1987-06-27 | 1987-06-27 | Structure of ferrite core quick return winding |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR890005712Y1 (en) |
-
1987
- 1987-06-27 KR KR2019870010326U patent/KR890005712Y1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR890001546U (en) | 1989-03-18 |
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