JP3101107B2 - Deflection yoke - Google Patents
Deflection yokeInfo
- Publication number
- JP3101107B2 JP3101107B2 JP34384792A JP34384792A JP3101107B2 JP 3101107 B2 JP3101107 B2 JP 3101107B2 JP 34384792 A JP34384792 A JP 34384792A JP 34384792 A JP34384792 A JP 34384792A JP 3101107 B2 JP3101107 B2 JP 3101107B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- horizontal deflection
- deflection coil
- coil
- deflection
- 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.)
- Expired - Fee Related
Links
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- Details Of Television Scanning (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、インライン方式のカ
ラー陰極線管（以下ＣＲＴという）に使用される偏向ヨ
ークに関するものであり、特に上下糸巻き歪の補正を容
易かつ正確に行なえる偏向ヨークに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deflection yoke used for an in-line type color cathode ray tube (hereinafter referred to as "CRT"), and more particularly to a deflection yoke capable of easily and accurately correcting upper and lower pincushion distortions. It is.
【０００２】[0002]
【従来の技術】図６に示すように従来の偏向ヨーク１
は、一般にコイル枠２を介してコイル枠２の内面にくら
形に水平偏向コイル３を巻回するとともに、コイル枠２
の外周にくら形の垂直偏向コイル４を装着し、さらに垂
直偏向コイル４の外周を磁気コア５で囲むようにして構
成されている。そしてコイル枠２のスクリーン（蛍光
面）側の端部および電子銃側の端部には複数個の巻線溝
６を有するガイド部２ａ，２ｂが形成されている。2. Description of the Related Art As shown in FIG.
In general, the horizontal deflection coil 3 is wound around the inner surface of the coil frame 2 via the coil frame 2 and the coil frame 2
A vertical deflection coil 4 is mounted on the outer periphery of the vertical deflection coil 4 and the outer circumference of the vertical deflection coil 4 is further surrounded by a magnetic core 5. Guide portions 2a and 2b having a plurality of winding grooves 6 are formed at the screen (fluorescent screen) side end and the electron gun side end of the coil frame 2.
【０００３】図７は、コイル枠２に巻回された水平偏向
コイル３の上半部を示す図で、図７（Ａ）、（Ｂ）は従
来の方法で巻回された水平偏向コイル３の各々スクリー
ン側からみた図と管軸に沿って見た図であり、中央部の
コイル３ｃは、両端部のコイル３ａ，３ｂと同様に電子
銃側からスクリーン側端まで同一方向に巻回されてい
る。FIGS. 7A and 7B show the upper half of a horizontal deflection coil 3 wound around a coil frame 2. FIGS. 7A and 7B show a horizontal deflection coil 3 wound by a conventional method. 3A and 3B are views seen from the screen side and along the tube axis. The coil 3c at the center is wound in the same direction from the electron gun side to the screen side end similarly to the coils 3a and 3b at both ends. ing.
【０００４】このような水平偏向コイルを上下一対にし
てＣＲＴに装着した場合、スクリーン上において図８の
実線７で示すような上下糸巻き歪が発生する。このため
従来の偏向ヨークはスクリーン側にマグネットを設置す
ることによって、図８に示す破線８のように上下糸巻き
歪を補正している。When such a horizontal deflection coil is mounted on a CRT as a pair of upper and lower coils, upper and lower pincushion distortion is generated on the screen as shown by a solid line 7 in FIG. For this reason, the conventional deflection yoke corrects upper and lower pincushion distortion as shown by a broken line 8 in FIG. 8 by installing a magnet on the screen side.
【０００５】偏向ヨークスクリーン側にマグネットを設
置する方法で、上下糸巻き歪を補正した場合、マグネッ
トが発生する磁界の影響により、インライン方式のＣＲ
Ｔでは、図９に示すように垂直軸（Ｙ軸）端において赤
の電子ビームＲと青の電子ビームＢとの間に水平方向の
ミスコンバーゼンスＹH が発生する。このＹH 量を垂直
偏向コイルの磁界分布をバレル磁界方向に調整してＹH
＝０に補正することができるが、上下糸巻き歪は図８に
示す実線７の方向へ変化し、図１０に示すようにコーナ
ー部において垂直方向のミスコンバーゼンスＰＱV が残
る。このため再度マグネットの大きさの調整や、水平偏
向コイルと垂直偏向コイルの磁界分布調整及び、管軸方
向で水平偏向コイルと垂直偏向コイルの位置変更を行な
って、図８に示す破線８のように上下糸巻き歪を補正を
するとともに、ＹH ，ＰＱV のミスコンバーゼンスを補
正している。When the upper and lower pincushion distortions are corrected by a method of installing a magnet on the deflection yoke screen side, an in-line type CR is used due to the influence of the magnetic field generated by the magnet.
In T, horizontal misconvergence Y H is generated between the electron beam B of the electron beam R and blue red in the vertical axis (Y-axis) end as shown in FIG. The Y H amount by adjusting the magnetic field distribution of the vertical deflection coil barrel magnetic field direction Y H
= 0, but the pincushion distortion changes in the direction of the solid line 7 shown in FIG. 8, and the misconvergence PQ V in the vertical direction remains at the corner as shown in FIG. Therefore, the size of the magnet is adjusted again, the magnetic field distribution between the horizontal deflection coil and the vertical deflection coil is adjusted, and the positions of the horizontal deflection coil and the vertical deflection coil are changed in the tube axis direction, as shown by a broken line 8 in FIG. in addition to the correction of vertical pincushion distortion, Y H, it is corrected misconvergence PQ V.
【０００６】[0006]
【発明が解決しようとする課題】以上のように従来の偏
向ヨークでは、上下糸巻き歪の補正をスクリーン側端部
にマグネットを設置して行なっているが、この方法では
マグネットの磁界による水平方向のミスコンバーゼンス
ＹH が発生し、再度垂直コイルの磁界分布調整が必要
で、これに伴う垂直方向のミスコンバーゼンスＰＱV の
変化を補正するためには水平偏向コイルの管軸で、位置
の見直しをすることが必要であるなどの問題点があっ
た。As described above, in the conventional deflection yoke, the upper and lower pincushion distortions are corrected by installing a magnet at the end on the screen side. misconvergence Y H is generated, requires field distribution adjusting again the vertical coil, in order to compensate for changes in the vertical misconvergence PQ V associated therewith in the tube axis of the horizontal deflection coil, a review of the position that problems Tsu there, such as is required
Was .
【０００７】また、上記のようなマグネットを使用しな
い従来技術として、例えば特開平３ー１４５０３９に見
られるように水平偏向コイルの一部に逆巻回巻線を追加
し、偏向磁界を部分的に変化させる方法もあるが、複雑
なコイル枠を必要とする等その追加方法は非常に煩わし
く実用的ではない上、必ずしも上下糸巻き歪の補正を十
分に行なえないという問題があった。As a conventional technique which does not use a magnet as described above, a reverse winding is added to a part of a horizontal deflection coil to partially reduce a deflection magnetic field as disclosed in Japanese Patent Application Laid-Open No. 3-145039. Although there is a method of changing it, there is a problem that the additional method such as the necessity of a complicated coil frame is very cumbersome and impractical, and that the upper and lower pincushion distortions cannot always be sufficiently corrected.
【０００８】この発明は、上記のような問題点を解消す
るためになされたもので、上下糸巻き歪補正用の特別な
マグネットを必要とせず、水平偏向コイル巻線の一部を
単に交差させるだけで上下糸巻き歪の補正を容易かつ正
確に行なえる、インライン方式ＣＲＴに適した偏向ヨー
クを提供することを目的としたものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and does not require a special magnet for correcting upper and lower pincushion distortions, and simply crosses a part of the horizontal deflection coil windings. in easy and positive correction of vertical pincushion distortion
It is an object of the present invention to provide a deflection yoke that can be surely performed and is suitable for an in-line type CRT.
【０００９】[0009]
【課題を解決するための手段】この発明による偏向ヨー
クは、くら形に形成されると共に、くら形の下端を結ぶ
線に対して３０度以上の位置で、上記カラー陰極線管の
スクリーン側及び電子銃側にそれぞれ設けられたガイド
部を有するコイル枠、このコイル枠に所定の方向に巻回
された主水平偏向コイル、及び上記スクリーン側のガイ
ド部に上記主水平偏向コイルと逆方向に巻回されると共
に、上記両ガイド部の間で交差され、上記電子銃側のガ
イド部に上記主水平偏向コイルと同方向に巻回された水
平偏向コイルを備え、上記スクリーン側のガイド部に巻
回された水平偏向コイルによって、主水平偏向磁界に対
する逆極性の磁界を発生させるようにしたものである。
この発明による偏向ヨークは、また、水平偏向コイルの
逆方向巻回部分を複数設けて、主水平偏向磁界に対し逆
極性の磁界を複数発生させるようにしたものである。 こ
の発明による偏向ヨークは、また、水平偏向コイルの逆
方向巻回部分により主水平偏向磁界に対し高調波成分の
磁界を制御するようにしたものである。 SUMMARY OF THE INVENTION A deflection yoke according to the present invention is formed in a claws and connects the lower ends of the claws.
The position of the color cathode ray tube above 30 degrees with respect to the line
Guides provided on the screen side and electron gun side respectively
Coil frame having a portion, wound around the coil frame in a predetermined direction
Main deflection coil and the screen side guide
Around the main horizontal deflection coil in the opposite direction.
At the same time, intersects between the two guide sections, and
Water wound in the same direction as the main horizontal deflection coil
Equipped with a flat deflection coil, wound around the guide part on the screen side
The turned horizontal deflection coil responds to the main horizontal deflection magnetic field.
A magnetic field of the opposite polarity is generated .
The deflection yoke according to the invention also provides a horizontal deflection coil.
Providing a plurality of windings in the opposite direction to reverse the main horizontal deflection magnetic field
A plurality of polar magnetic fields are generated. This
The deflection yoke according to the invention also has the inverse of the horizontal deflection coil.
Direction component turns the harmonic component to the main horizontal deflection magnetic field.
The magnetic field is controlled.
【００１０】[0010]
【作用】この発明による偏向ヨークにおいては、水平偏
向コイル巻線の逆方向巻回部分から発生する磁界と、通
常方向に巻回された主水平偏向コイルが発生する磁界と
が合成され、偏向ヨークのスクリーン側端部で、より強
いピンクッション形状の磁界を形成し、上下糸巻き歪を
正確に補正する。[Action] In the deflection yoke according to the present invention, a magnetic field generated from the reverse wound portion of the horizontal deflection coil windings, <br/> a magnetic field main horizontal deflection coils usually wound direction is generated synthetic A stronger pincushion-shaped magnetic field is formed at the screen-side end of the deflection yoke, and the upper and lower pincushion distortions are accurately corrected.
【００１１】[0011]
【実施例】実施例１．以下この発明の実施例を図につい
て説明する。図１（Ａ）は、一対の水平偏向コイルのう
ち、上半分の水平偏向コイルを、スクリーン側からみた
図であり、図１（Ｂ）は、同じ偏向コイルを管軸に沿っ
てみた図を表わしている。図１において、２０はコイル
枠で、水平軸に近いスクリーン側および電子銃側の位置
にそれぞれ主偏向コイル部分の位置を規制するガイド溝
２０ａ，２０ｂを有するとともに、水平軸からの角度が
３０度より大きい位置には、後述する水平偏向コイル巻
線の逆巻回部分を形成するためのスクリーン側ガイド部
２０ｃと電子銃側ガイド部２０ｄが設けられている。ス
クリーン側ガイド部２０ｃ、電子銃側ガイド部２０ｄの
周囲にはそれぞれ巻線案内溝が形成され、かつ両ガイド
部の間には水平偏向コイル巻線を交差させるための空間
部２０ｅが形成されている。[Embodiment 1] An embodiment of the present invention will be described below with reference to the drawings. FIG. 1A is a view of the upper half of the pair of horizontal deflection coils as viewed from the screen side, and FIG. 1B is a view of the same deflection coil viewed along the tube axis. It represents. In FIG. 1, reference numeral 20 denotes a coil frame having guide grooves 20a and 20b at positions on the screen side and the electron gun side close to the horizontal axis, respectively, for regulating the position of the main deflection coil portion, and having an angle of 30 degrees from the horizontal axis. At a larger position, a screen side guide portion 20c and an electron gun side guide portion 20d for forming a reverse winding portion of a horizontal deflection coil winding described later are provided. A winding guide groove is formed around each of the screen-side guide portion 20c and the electron gun-side guide portion 20d, and a space portion 20e is formed between both guide portions for crossing the horizontal deflection coil winding. I have.
【００１２】３０は水平偏向コイル巻線で、コイル枠２
０のガイド溝２０ａ，２０ｂに通常偏向方向に巻回され
た主偏向コイル部分３０ａ，３０ｂと、スクリーン側ガ
イド部２０ｃに主偏向コイル部分に対して逆方向に巻回
された逆巻回部分３０ｃと、電子銃側ガイド部２０ｄに
主偏向コイル部分と同方向に巻回された巻線部分３０ｄ
と、空間部２０ｅに位置する交差部分３０ｅとを備えて
おり、入口端３０ｆ，出口端３０ｇを通してそれぞれ図
示矢印方向に水平偏向電流が通電される。Reference numeral 30 denotes a horizontal deflection coil winding, which is a coil frame 2
The main deflection coil portions 30a, 30b wound in the normal deflection direction around the zero guide grooves 20a, 20b, and the reverse winding portion 30c wound in the opposite direction to the main deflection coil portion around the screen side guide portion 20c. And a winding portion 30d wound around the electron gun-side guide portion 20d in the same direction as the main deflection coil portion.
And an intersection 30e located in the space 20e, and a horizontal deflection current is supplied in the direction of the arrow shown in the figure through the entrance end 30f and the exit end 30g.
【００１３】図２は、図１に示した水平偏向コイルを上
下一対にしてＣＲＴに装着した場合の逆巻回部分３０ｃ
を含む、管軸に垂直な断面模式図であり、ＣＲＴの電子
銃から発射された電子ビームをＣＲＴスクリーン側から
みて左側に走査する場合の水平偏向電流通電方向を示し
ている。上半部と下半部の逆巻回部分３０ｃには偏向方
向とは逆方向に偏向する方向の電流が通電される。FIG. 2 shows a reverse winding portion 30c when the horizontal deflection coils shown in FIG.
FIG. 4 is a schematic cross-sectional view perpendicular to the tube axis, including a horizontal deflection current flowing direction when an electron beam emitted from an electron gun of a CRT scans leftward when viewed from the CRT screen side. A current in a direction of deflecting in a direction opposite to the deflecting direction is applied to the reverse winding portion 30c of the upper half and the lower half.
【００１４】このように通電すると、各コイル部分が形
成する磁界方向は図２矢印に示すようになり、６極の多
極磁界を形成する。これは主水平偏向磁界に対して、周
期が３倍となった第３次高調波成分が強くなったことを
表わしている。この第３次高調波成分を強くするために
水平軸からの角度が３０度よりも大きい位置の管軸方向
中央部に逆巻回部分３０ｃが配置される。図３はこのよ
うな水平偏向磁界について極座標で示した磁位の高調波
成分を表わすもので、Ｈａは基本波の部分であり，Ｈｂ
は第３次高調波である。この基本波と第３次高調波の合
成磁界が破線で示したＨｃである。この合成磁界は図４
に実線で示した等位磁線を形成し、強いピンクッション
形状を有している。When current is supplied in this manner, the direction of the magnetic field formed by each coil portion is as shown by the arrow in FIG. 2, and a six-pole multipole magnetic field is formed. This indicates that the third harmonic component whose period has tripled with respect to the main horizontal deflection magnetic field has become stronger. In order to strengthen the third harmonic component, a reverse winding portion 30c is arranged at the center in the tube axis direction at a position where the angle from the horizontal axis is larger than 30 degrees. FIG. 3 shows the harmonic component of the magnetic potential shown in polar coordinates with respect to such a horizontal deflection magnetic field, where Ha is a fundamental wave portion and Hb
Is the third harmonic. The combined magnetic field of the fundamental wave and the third harmonic is Hc indicated by a broken line. This combined magnetic field is shown in FIG.
In FIG. 3, the magnetic field lines shown by solid lines are formed, and the pin has a strong pincushion shape.
【００１５】このピンクッション形状の磁界は、スクリ
ーン上で図５の矢印のような方向に力を及ぼし、図４に
示すように上下糸巻き歪を破線４０の方向へ補正する。
したがって、逆巻回部分３０ｃの巻回回数及び位置によ
って前述の第３次高調波成分の大きさを変化させ、ピン
クッション形状の磁界を調整することにより上下糸巻き
歪の残量に応じて補正量を正確に調整できる。The pincushion-shaped magnetic field exerts a force on the screen in the direction shown by the arrow in FIG. 5, and corrects the upper and lower pincushion distortion in the direction of the broken line 40 as shown in FIG.
Accordingly, the winding number and position in the winding portion 30c to change the size of the third-order harmonic component described above, the correction in accordance with the remaining amount of the upper and lower pincushion distortion by adjusting the magnetic field of the pincushion-shaped The amount can be adjusted precisely .
【００１６】実施例２． 尚、上記実施例では第３次高調波成分の増減について説
明したが、逆巻回部分３０ｃを複数設けることによっ
て，１０極磁界成分や、１４極磁界成分の、より高い第
５次高調波成分、第７次高調波成分の制御が可能とな
り、より高精度に上下糸巻き歪を補正することができ
る。Embodiment 2 FIG. In the above embodiment has been described changes in the third-order harmonic components, by providing a plurality of reverse wound portion 30c, and 10-pole magnetic field component of 14-pole magnetic field component, higher 5th harmonic Component and the seventh harmonic component can be controlled, and upper and lower pincushion distortion can be corrected with higher accuracy.
【００１７】[0017]
【発明の効果】この発明による偏向ヨークは、くら形に
形成されると共に、くら形の下端を結ぶ線に対して３０
度以上の位置で、上記カラー陰極線管のスクリーン側及
び電子銃側にそれぞれ設けられたガイド部を有するコイ
ル枠、このコイル枠に所定の方向に巻回された主水平偏
向コイル、及び上記スクリーン側のガイド部に上記主水
平偏向コイルと逆方向に巻回されると共に、上記両ガイ
ド部の間で交差され、上記電子銃側のガイド部に上記主
水平偏向コイルと同方向に巻回された水平偏向コイルを
備え、上記スクリーン側のガイド部に巻回された水平偏
向コイルによって、主水平偏向磁界に対する逆極性の磁
界を発生させるように構成されているので、マグネット
などの付加物を用いることなく主偏向磁界に対し高調波
成分の制御を行ない、上下糸巻き歪の補正を正確に行な
うことができる。また、水平偏向コイルの逆方向巻回部
分を複数設けて、主水平偏向磁界に対し逆極性の磁界を
複数発生させるようにしているため、より高い高調波成
分の制御が可能となり、高精度に上下糸巻き歪を補正す
ることができる。 The deflection yoke according to the present invention has a circular shape.
Formed and connected to the line connecting the lower ends of the claws
Degrees or more, on the screen side of the color cathode ray tube
With a guide section provided on each side of the gun and the electron gun
Main frame, which is wound around this coil frame in a predetermined direction.
The main water in the direction coil and the guide part on the screen side.
It is wound in the opposite direction to the flat deflection coil, and
And the guide section on the electron gun side
A horizontal deflection coil wound in the same direction as the horizontal deflection coil
Horizontal biased around the screen-side guide section
Directional coils provide opposite polarity magnetic fields to the main horizontal deflection field.
Since it is configured to generate a field, it is possible to control the harmonic component with respect to the main deflection magnetic field without using an additional material such as a magnet, and to accurately correct the upper and lower pincushion distortion. The reverse winding part of the horizontal deflection coil
And a magnetic field of opposite polarity to the main horizontal deflection magnetic field.
Higher harmonic generation due to multiple generation
Minute control, and corrects pincushion distortion with high accuracy.
Can be
【図１】この発明の一実施例を示す図で、図１（Ａ）
は、一対の水平偏向コイルのうち、上半分の水平偏向コ
イルを、スクリーン側からみた正面図、図１（Ｂ）は、
同じ偏向コイルを管軸に沿ってみた平面図を表わしてい
る。FIG. 1 shows an embodiment of the present invention, and FIG.
FIG. 1B is a front view of the upper half of the horizontal deflection coils of the pair of horizontal deflection coils as viewed from the screen side.
FIG. 2 shows a plan view of the same deflection coil as viewed along the tube axis.
【図２】図１に示した水平偏向コイルを上下一対にして
ＣＲＴに装着した場合の管軸に垂直な断面模視図で、各
コイル部分による磁極と磁力線の方向を示している。FIG. 2 is a schematic cross-sectional view perpendicular to the tube axis when the horizontal deflection coils shown in FIG. 1 are mounted on a CRT in a pair of upper and lower parts, and shows the directions of magnetic poles and lines of magnetic force by each coil part.
【図３】図２に示した水平偏向コイルによる磁界成分を
説明するための図である。FIG. 3 is a diagram for explaining a magnetic field component generated by the horizontal deflection coil shown in FIG. 2;
【図４】図２に示した水平偏向コイルによる合成磁界を
表わした説明図である。FIG. 4 is an explanatory diagram showing a synthetic magnetic field generated by the horizontal deflection coil shown in FIG.
【図５】図４の合成磁界による糸巻き歪補正作用を説明
するための図である。FIG. 5 is a diagram for explaining a pincushion distortion correcting action by the combined magnetic field of FIG. 4;
【図６】従来の偏向ヨークの一例を示す側面図である。FIG. 6 is a side view showing an example of a conventional deflection yoke.
【図７】従来の水平偏向コイルの一例を示す図で、
（Ａ）は正面図、（Ｂ）は平面図である。FIG. 7 is a diagram showing an example of a conventional horizontal deflection coil;
(A) is a front view, (B) is a plan view.
【図８】スクリーン上における上下糸巻き歪を示す説明
図である。FIG. 8 is an explanatory diagram showing upper and lower pincushion distortions on a screen.
【図９】水平方向のミスコンバーゼンスを説明するため
の図である。FIG. 9 is a diagram for describing horizontal misconvergence.
【図１０】垂直方向のミスコンバーゼンスを説明するた
めの図である。FIG. 10 is a diagram for explaining misconvergence in the vertical direction.
２０ ・・・コイル枠 ２０ａ・・・ガイド溝 ２０ｂ・・・ガイド溝 ２０ｃ・・・スクリーン側ガイド部 ２０ｄ・・・電子銃側ガイド部 ２０ｅ・・・空間部 ３０ ・・・水平偏向コイル巻線 ３０ａ・・・主偏向コイル部分 ３０ｂ・・・主偏向コイル部分 ３０ｃ・・・逆巻回部分 ３０ｅ・・・交差部分 ３０ｆ・・・入口端 ３０ｇ・・・出口端 Reference Signs List 20: coil frame 20a: guide groove 20b: guide groove 20c: screen-side guide part 20d: electron gun-side guide part 20e: space part 30: horizontal deflection coil winding 30a: Main deflection coil portion 30b: Main deflection coil portion 30c: Reverse winding portion 30e: Intersection portion 30f: Inlet end 30g: Outlet end
Claims (3)
される偏向ヨークにおいて、くら形に形成されると共
に、くら形の下端を結ぶ線に対して３０度以上の位置
で、上記カラー陰極線管のスクリーン側及び電子銃側に
それぞれ設けられたガイド部を有するコイル枠、このコ
イル枠に所定の方向に巻回された主水平偏向コイル、及
び上記スクリーン側のガイド部に上記主水平偏向コイル
と逆方向に巻回されると共に、上記両ガイド部の間で交
差され、上記電子銃側のガイド部に上記主水平偏向コイ
ルと同方向に巻回された水平偏向コイルを備え、上記ス
クリーン側のガイド部に巻回された水平偏向コイルによ
って、主水平偏向磁界に対する逆極性の磁界を発生させ
るようにしたことを特徴とする偏向ヨーク。[Claim 1] attached to the color cathode-ray tube of the in-line system
The deflection yoke that is formed
At least 30 degrees from the line connecting the lower ends of the claws
On the screen side and electron gun side of the color cathode ray tube
Coil frames with guides provided respectively,
A main horizontal deflection coil wound in a predetermined direction
And the main horizontal deflection coil in the guide section on the screen side
And wound between the two guides.
Into the guide section on the electron gun side.
Equipped with a horizontal deflection coil wound in the same direction as the
The horizontal deflection coil wound around the guide on the clean side
To generate a magnetic field of the opposite polarity to the main horizontal deflection magnetic field.
Deflection yoke being characterized in that the so that.
方向巻回部分を複数設けて、主水平偏向磁界に対し逆極
性の磁界を複数発生させるようにしたことを特徴とする
偏向ヨーク。2. The reverse of the horizontal deflection coil according to claim 1,
Providing a plurality of directions wound portions, the deflection yoke being characterized in that the so that is more generate opposite polarity magnetic field to the main horizontal deflection magnetic field.
偏向コイルの逆方向巻回部分により主水平偏向磁界に対
し高調波成分の磁界を制御するようにしたことを特徴と
する偏向ヨーク。3. The method according to claim 1, wherein the horizontal
A deflection yoke wherein a magnetic field of a harmonic component with respect to a main horizontal deflection magnetic field is controlled by a winding portion of a deflection coil in a reverse direction .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34384792A JP3101107B2 (en) | 1992-12-24 | 1992-12-24 | Deflection yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34384792A JP3101107B2 (en) | 1992-12-24 | 1992-12-24 | Deflection yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06197233A JPH06197233A (en) | 1994-07-15 |
| JP3101107B2 true JP3101107B2 (en) | 2000-10-23 |
Family
ID=18364701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34384792A Expired - Fee Related JP3101107B2 (en) | 1992-12-24 | 1992-12-24 | Deflection yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3101107B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202138B1 (en) | 1995-07-31 | 2001-03-13 | Lexar Media, Inc | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
| US6411546B1 (en) | 1997-03-31 | 2002-06-25 | Lexar Media, Inc. | Nonvolatile memory using flexible erasing methods and method and system for using same |
| US6728851B1 (en) | 1995-07-31 | 2004-04-27 | Lexar Media, Inc. | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
| US6757800B1 (en) | 1995-07-31 | 2004-06-29 | Lexar Media, Inc. | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
-
1992
- 1992-12-24 JP JP34384792A patent/JP3101107B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202138B1 (en) | 1995-07-31 | 2001-03-13 | Lexar Media, Inc | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
| US6397314B1 (en) | 1995-07-31 | 2002-05-28 | Lexar Media, Inc. | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
| US6728851B1 (en) | 1995-07-31 | 2004-04-27 | Lexar Media, Inc. | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
| US6757800B1 (en) | 1995-07-31 | 2004-06-29 | Lexar Media, Inc. | Increasing the memory performance of flash memory devices by writing sectors simultaneously to multiple flash memory devices |
| US6411546B1 (en) | 1997-03-31 | 2002-06-25 | Lexar Media, Inc. | Nonvolatile memory using flexible erasing methods and method and system for using same |
| US6587382B1 (en) | 1997-03-31 | 2003-07-01 | Lexar Media, Inc. | Nonvolatile memory using flexible erasing methods and method and system for using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06197233A (en) | 1994-07-15 |
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