JPH0737527A - Deflection yoke - Google Patents
Deflection yokeInfo
- Publication number
- JPH0737527A JPH0737527A JP5178640A JP17864093A JPH0737527A JP H0737527 A JPH0737527 A JP H0737527A JP 5178640 A JP5178640 A JP 5178640A JP 17864093 A JP17864093 A JP 17864093A JP H0737527 A JPH0737527 A JP H0737527A
- Authority
- JP
- Japan
- Prior art keywords
- deflection yoke
- distortion
- magnetic field
- auxiliary coil
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
(57)【要約】
【目的】偏向ヨークの上下歪補正において、マグネット
を使用せずに歪補正を行なうことを目的とする。
【構成】水平枠に補助コイルを設け、この補助コイルの
巻線は、ネック部から開口部までの２／３までは２本の
導線によって作られる磁界がキャンセルするように平行
に巻線し、残り１／３では扇形に巻線しその両側端がガ
ル歪のピーク点にくるように巻線する構成とする。
【効果】補助コイルによる磁界を利用してガル歪のふく
らみ部を改善することができる。
(57) [Abstract] [Purpose] The objective of the present invention is to correct distortion in the vertical deflection of the deflection yoke without using a magnet. [Structure] An auxiliary coil is provided on a horizontal frame, and the windings of this auxiliary coil are wound in parallel so that the magnetic field created by the two conductors cancels up to 2/3 from the neck to the opening. The remaining one-third is wound in a fan shape so that both ends thereof come to the peak points of gull distortion. [Effect] The bulging portion of gull distortion can be improved by utilizing the magnetic field generated by the auxiliary coil.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、テレビジョン受像機等
に用いられる偏向ヨークに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deflection yoke used in a television receiver or the like.
【０００２】[0002]
【従来の技術】近年、偏向ヨークにおける上下歪補正に
はマグネットが使用されている。以下従来の偏向ヨーク
の構成について図４および図５を参照しながら説明す
る。図４は、従来の偏向ヨークのＨコイル部を開口部か
らみた平面図である。図中の１は水平枠、２は水平コイ
ルを示している。図５は歪補正を行なうためのマグネッ
トを用いた偏向ヨークを表している。図中の７は小カバ
ー、８はコア、９は大カバー、１０はマグネットであ
る。2. Description of the Related Art In recent years, a magnet has been used to correct vertical distortion in a deflection yoke. The structure of the conventional deflection yoke will be described below with reference to FIGS. FIG. 4 is a plan view of the H coil portion of the conventional deflection yoke as seen from the opening. In the figure, 1 indicates a horizontal frame and 2 indicates a horizontal coil. FIG. 5 shows a deflection yoke using a magnet for performing distortion correction. In the figure, 7 is a small cover, 8 is a core, 9 is a large cover, and 10 is a magnet.
【０００３】以上の各構成要素よりなる偏向ヨークにつ
いて、以下その動作について説明する。図６に示すよう
にマグネット１０が作る磁界による力１１の上下方向の
成分１２により、上下歪の補正が可能となる。The operation of the deflection yoke composed of the above components will be described below. As shown in FIG. 6, the vertical component 12 of the force 11 generated by the magnetic field generated by the magnet 10 can correct vertical distortion.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら前記の従
来の構成では、マグネット１０の着磁によって磁界分布
が違なったり力１１の左右方向の力１３があるので、歪
のバラツキが生じたり、マグネット１０の影響によって
ＹH （コンバーゼンス）などのバラツキが生じる。However, in the above-mentioned conventional configuration, the magnetic field distribution is different due to the magnetization of the magnet 10 and there is a force 13 in the left-right direction of the force 11, so that there are variations in distortion and the magnet 10 Due to the influence of, variations such as Y H (convergence) occur.
【０００５】本発明は前記従来の問題点を解決するもの
で、前記問題のあるマグネットを使用せずに歪補正を行
なうことができる偏向ヨークを提供することを目的とし
ている。The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a deflection yoke capable of performing distortion correction without using the problematic magnet.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に本発明の偏向ヨークは、水平枠に補助コイルを巻線す
る。この補助コイルの巻線は、ネック部から開口部まで
の２／３までは、２本の導線によって作られる磁界がキ
ャンセルするように平行に巻線し、残り１／３では、扇
形に巻線してその両側端がガル歪のピーク点に対応する
ように配置した構成とする。To achieve this object, the deflection yoke of the present invention has an auxiliary coil wound around a horizontal frame. The winding of this auxiliary coil is parallel to the 2/3 from the neck to the opening so that the magnetic field created by the two conductors cancels, and the remaining 1/3 is fan-shaped. Then, the both side ends are arranged so as to correspond to the peak points of the gull distortion.
【０００７】[0007]
【作用】本発明は上記構成によって、補助コイルによっ
て作られる磁界がガル歪のふくらみ部に力を加えるよう
に作用し、ガル歪のふくらみ部を改善することとなる。With the above structure, the magnetic field generated by the auxiliary coil acts so as to apply a force to the bulging portion of the gull distortion, thereby improving the bulging portion of the gull distortion.
【０００８】[0008]
【実施例】以下、本発明の一実施例について図１〜図３
を参照しながら説明する。図１は本発明の一実施例の偏
向ヨークの水平コイル部の平面図である。図２にはガル
歪を示し、そのＣ，Ｄは歪のピーク点である。この歪ピ
ーク点Ｃ，Ｄのふくらみ部のビームをおさえるために
は、上部では下向き、下部では上向きの力が必要とな
る。この力を得るために本実施例では図１に示す補助コ
イル３を用いる。なお、図中の１は水平枠、２は水平コ
イルである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.
Will be described with reference to. FIG. 1 is a plan view of a horizontal coil portion of a deflection yoke according to an embodiment of the present invention. FIG. 2 shows gull distortion, and C and D thereof are peak points of the distortion. In order to suppress the beam at the bulge of the strain peak points C and D, downward force is required at the upper portion and upward force is required at the lower portion. In order to obtain this force, the auxiliary coil 3 shown in FIG. 1 is used in this embodiment. In the figure, 1 is a horizontal frame and 2 is a horizontal coil.
【０００９】この補助コイル３の原理を図３に示す。図
１に示すように補助コイル３に電流を流すことにより磁
界５が得られる。よってガル歪のふくらみ部をおさえる
ための力６を得ることができる。ここで前記補助コイル
３の巻線は、図１に示すように偏向ヨークにおけるネッ
ク部イから開口部ロまでの２／３までを２本の導線によ
って作られる磁界がキャンセルするように平行に巻線す
る。また残り１／３では扇形に巻線され、その両外側点
Ａ，Ｂがガル歪４のピーク点Ｃ，Ｄにくるように配置す
る。The principle of this auxiliary coil 3 is shown in FIG. A magnetic field 5 is obtained by passing a current through the auxiliary coil 3 as shown in FIG. Therefore, the force 6 for suppressing the bulging portion of the gull distortion can be obtained. Here, the winding of the auxiliary coil 3 is wound in parallel so that the magnetic field created by the two conductors cancels 2/3 from the neck portion a to the opening portion b in the deflection yoke as shown in FIG. Line. The remaining 1/3 is wound in a fan shape, and both outer points A and B are arranged so as to come to the peak points C and D of the gull strain 4.
【００１０】このように本実施例の偏向ヨークは補助コ
イル３によってガル歪を補正でき、すなわち、問題を生
じるマグネットを使用せずに、所期の目的を達成でき
る。As described above, the deflection yoke of this embodiment can correct the gull distortion by the auxiliary coil 3, that is, the intended purpose can be achieved without using a magnet which causes a problem.
【００１１】[0011]
【発明の効果】以上の実施例の説明より明らかなよう
に、本発明は水平枠に補正コイルを設け、この補正コイ
ルによって作られる磁界により、ガル歪のふくらみ部を
おさえる力を加えるので、ガル歪が補正された優れた偏
向ヨークを提供できる。As is apparent from the above description of the embodiments, in the present invention, a correction coil is provided in the horizontal frame, and the magnetic field generated by the correction coil applies a force to suppress the bulge portion of the gull distortion. An excellent deflection yoke in which distortion is corrected can be provided.
【図１】本発明の一実施例の偏向ヨークのＨコイル部の
平面断面図FIG. 1 is a plan sectional view of an H coil portion of a deflection yoke according to an embodiment of the present invention.
【図２】ガル歪の説明図FIG. 2 is an explanatory diagram of gull distortion.
【図３】補助コイルによる磁界と力の向きの説明図FIG. 3 is an explanatory diagram of directions of magnetic field and force by an auxiliary coil.
【図４】従来の偏向ヨークのＨコイル部の平面断面図FIG. 4 is a plan sectional view of an H coil portion of a conventional deflection yoke.
【図５】マグネットを用いた従来の偏向ヨークの斜視図FIG. 5 is a perspective view of a conventional deflection yoke using a magnet.
【図６】同偏向ヨークにおけるマグネットによる磁界と
力の向きの説明図FIG. 6 is an explanatory view of a magnetic field and a direction of force by a magnet in the deflection yoke.
１ 水平枠 ２ 水平コイル ３ 補助コイル ４ ガル歪 ５ 補助コイルによって作られる磁界 ６ 補助コイルによって得られる力 1 Horizontal Frame 2 Horizontal Coil 3 Auxiliary Coil 4 Gull Distortion 5 Magnetic Field Created by Auxiliary Coil 6 Force Obtained by Auxiliary Coil
Claims (2)
偏向磁界を発生させる水平偏向コイル、垂直偏向コイ
ル、フェライトコアを有する偏向ヨークであって、上下
歪補正をする補助コイルを設けたことを特徴とする偏向
ヨーク。1. A horizontal deflection coil, a vertical deflection coil, and a deflection yoke having a ferrite core for generating a deflection magnetic field for deflecting an electron beam of a cathode ray tube, wherein an auxiliary coil for vertical distortion correction is provided. Characteristic deflection yoke.
の２／３までは２本の導線によって作られる磁界がキャ
ンセルするように平行に巻線し、残り１／３では扇形に
巻線してその両側端がガル歪のピーク点に対応するよう
に配置した請求項１記載の偏向ヨーク。2. The auxiliary coil is wound in parallel up to 2/3 from the neck to the opening so that the magnetic field created by the two conductors cancels, and in the remaining 1/3 is fan-shaped. The deflection yoke according to claim 1, wherein both ends of the lever are arranged so as to correspond to peak points of gull distortion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17864093A JP3476216B2 (en) | 1993-07-20 | 1993-07-20 | Deflection yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17864093A JP3476216B2 (en) | 1993-07-20 | 1993-07-20 | Deflection yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0737527A true JPH0737527A (en) | 1995-02-07 |
| JP3476216B2 JP3476216B2 (en) | 2003-12-10 |
Family
ID=16051998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17864093A Expired - Fee Related JP3476216B2 (en) | 1993-07-20 | 1993-07-20 | Deflection yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3476216B2 (en) |
-
1993
- 1993-07-20 JP JP17864093A patent/JP3476216B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3476216B2 (en) | 2003-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |