JPH11307011A - Deflection yoke - Google Patents

Deflection yoke

Info

Publication number
JPH11307011A
JPH11307011A JP10776398A JP10776398A JPH11307011A JP H11307011 A JPH11307011 A JP H11307011A JP 10776398 A JP10776398 A JP 10776398A JP 10776398 A JP10776398 A JP 10776398A JP H11307011 A JPH11307011 A JP H11307011A
Authority
JP
Japan
Prior art keywords
deflection coil
horizontal deflection
coil
horizontal
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.)
Withdrawn
Application number
JP10776398A
Other languages
Japanese (ja)
Inventor
Hitoshi Shoji
仁 小路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Development and Engineering Corp
Original Assignee
Toshiba Corp
Toshiba Electronic Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Toshiba Electronic Engineering Co Ltd filed Critical Toshiba Corp
Priority to JP10776398A priority Critical patent/JPH11307011A/en
Publication of JPH11307011A publication Critical patent/JPH11307011A/en
Withdrawn legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a deflection yoke enabling to lower electric power consumption of a horizontal deflection coil, and improve deflection sensitivity and quality of images. SOLUTION: In this deflection yoke, a bent part 12 on the aperture side of a horizontal deflection coil 9 is formed in the direction of a normal line to the peripheral surface of a funnel-shaped cone part 13. And a toroidal vertical deflection coil 11 is disposed along the peripheral surface of the cone part 13, between thus formed bent part 12 on the aperture side and a bent part 14 on the electron gun side of the horizontal deflection coil 9.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、偏向ヨークに係わ
り、特にカラー受像管やモノクロ用受像管に装着される
偏向ヨークに関する。
The present invention relates to a deflection yoke, and more particularly to a deflection yoke mounted on a color picture tube or a monochrome picture tube.

【0002】[0002]

【従来の技術】従来から、カラー画像を映し出すカラー
受像管やモノクロ画像を映し出すモノクロ用受像管で
は、ブラウン管(ファンネル)を構成する漏斗状のコー
ン部に、水平偏向コイルと垂直偏向コイルとを組合わせ
た偏向ヨークを装着し、電子ビームを水平方向および垂
直方向にそれぞれ偏向している。
2. Description of the Related Art Conventionally, in a color picture tube for displaying a color image and a monochrome picture tube for displaying a monochrome image, a horizontal deflection coil and a vertical deflection coil are assembled in a funnel-shaped cone portion constituting a cathode ray tube (funnel). A matching deflection yoke is mounted to deflect the electron beam in the horizontal and vertical directions, respectively.

【0003】従来のサドル・トロイダル型偏向ヨークの
概略構成を、水平偏向コイルのみ取り出して図4に示
す。
FIG. 4 shows a schematic structure of a conventional saddle-toroidal deflection yoke, in which only a horizontal deflection coil is taken out.

【0004】この図に示すように、水平偏向コイル1は
サドル(鞍)形状を有しており、雄型と雌型とから構成
される金型により成形される。すなわち、この水平偏向
コイル1は、図4におけるK−K断面で表わした図5に
示すように、雄型2と雌型3との間の巻型部4に、絶縁
電線5例えば自己融着性の絶縁電線が任意の回数だけ巻
き込まれ、成形板6によりプレス成形されて得られる。
As shown in FIG. 1, the horizontal deflection coil 1 has a saddle (saddle) shape, and is formed by a mold composed of a male mold and a female mold. That is, as shown in FIG. 5, which is a cross-sectional view taken along the line KK in FIG. A flexible insulated wire is obtained by being rolled up an arbitrary number of times and press-formed by the forming plate 6.

【0005】ここで、金型の巻型部4の形状および断面
積は、水平偏向コイル1の形状と断面積をそれぞれ決定
するものであり、ラスター歪みやコンバージェンスのよ
うな画像品位に係る特性が最適となるように決められて
いる。特に、断面積の大きさは、水平偏向コイル1の設
計段階で、ほぼ固定された値となっている。つまり、使
用する電線5の断面積をS、巻き込む回数(巻数)をN
とすると、巻型部の断面積=S×Nという条件を満た
し、断面積Sの小さい(細い)電線5を使用すれば、巻
数Nは大きく、反対に断面積Sの大きな(太い)電線5
を使用すれば、巻数Nは小さくなる。
Here, the shape and the cross-sectional area of the winding portion 4 of the mold determine the shape and the cross-sectional area of the horizontal deflection coil 1, respectively, and characteristics relating to image quality such as raster distortion and convergence are not obtained. It is determined to be optimal. In particular, the size of the cross-sectional area has a substantially fixed value at the stage of designing the horizontal deflection coil 1. That is, the sectional area of the electric wire 5 to be used is S, and the number of windings (the number of windings) is N.
Then, if the condition that the cross-sectional area of the winding portion = S × N is satisfied and the wire 5 having a small (small) cross-sectional area S is used, the number of turns N is large, and conversely, the wire 5 having a large (thick) cross-sectional area S is used.
Is used, the number of turns N is reduced.

【0006】また、水平偏向コイル1の開口部側のべン
ド部7(図4に斜線部で示す。)を構成する電線の長さ
は、べンド部7の厚さTと、前記した電線5の巻数Nと
から、以下に示す長さを持つ。
The length of an electric wire forming the bent portion 7 (shown by hatching in FIG. 4) on the opening side of the horizontal deflection coil 1 is determined by the thickness T of the bent portion 7 and the electric wire described above. With the number of turns N of 5, the following length is provided.

【0007】すなわち、従来の水平偏向コイル1におい
て、開口部側のべンド部7は、べンド部7の中心線C1
が管軸(コーン部8の中心軸)Zとほぼ垂直になる方向
に成形されており、べンド部7を構成する電線の長さ
は、中心線C1 と管軸Zとの交点A1 と、コーン部8の
外周面と中心線C1 との交点B1 とを結ぶ線分を半径r
1 とする半円の円周(円弧)の長さL1 に比例する。例
えば、水平偏向コイル1において、電線の巻数Nが30回
であれば、べンド部7を形成する電線の長さは、ほぼL
1 ×30となる。
That is, in the conventional horizontal deflection coil 1, the bent portion 7 on the opening side is positioned at the center line C 1 of the bent portion 7.
Is formed in a direction substantially perpendicular to the tube axis (center axis of the cone portion 8) Z, and the length of the electric wire forming the bend portion 7 is determined by the intersection A 1 between the center line C 1 and the tube axis Z. And a line segment connecting the outer peripheral surface of the cone portion 8 and the intersection B 1 between the center line C 1 and the radius r
It is proportional to the length L 1 of the circumference (arc) of the semicircle set to 1 . For example, in the horizontal deflection coil 1, if the number of turns N of the electric wire is 30, the length of the electric wire forming the bend portion 7 is approximately L
It becomes 1 × 30.

【0008】ところで、水平偏向コイル1は、電線に偏
向電流を流すことで水平偏向磁界を発生し、電子ビーム
を偏向するものであり、その消費電力は、コイルの抵抗
値をR、偏向電流値をIとすると、RI2 で表わされる
ため、省電力化には、偏向電流値Iを小さくするか、あ
るいはコイルの抵抗値Rを小さくする方法が考えられ
る。しかし、偏向電流の大きさは、前記した電線の巻数
Nにより変化し、かつこの巻数Nは、偏向電流を供給す
るための水平偏向回路によって決められているため、偏
向電流値Iはほぼ一定の値になる。したがって、水平偏
向コイル1での消費電力を低減するには、抵抗値Rをで
きるだけ小さくした方が良いことになる。
The horizontal deflection coil 1 generates a horizontal deflection magnetic field by flowing a deflection current through an electric wire to deflect an electron beam. the When I, because represented by RI 2, power saving, reduce the deflection current value I, or a method of reducing the resistance value R of the coil can be considered. However, the magnitude of the deflection current varies depending on the number of turns N of the electric wire, and since the number of turns N is determined by the horizontal deflection circuit for supplying the deflection current, the deflection current value I is substantially constant. Value. Therefore, in order to reduce the power consumption of the horizontal deflection coil 1, it is better to make the resistance value R as small as possible.

【0009】しかしながら、前記したように、金型の巻
型部4により成形される水平偏向コイル1の断面積Sは
ほぼ一定であり、水平偏向回路により決められた巻数N
が与えられれば、電線の断面積Sが決まる。また、前記
したようにべンド部7を形成する電線の長さも決まった
値になることから、コイルの抵抗値Rはほぼ決まった値
になり、それ以下の値にすることが困難であった。
However, as described above, the cross-sectional area S of the horizontal deflection coil 1 formed by the winding portion 4 of the mold is substantially constant, and the number of turns N determined by the horizontal deflection circuit is set.
Is given, the cross-sectional area S of the electric wire is determined. In addition, since the length of the electric wire forming the bent portion 7 also has a fixed value as described above, the resistance value R of the coil has a substantially fixed value, and it is difficult to reduce the resistance value to a value less than that. .

【0010】さらに、この水平偏向コイル1の抵抗値R
が大きい場合には、消費電力が大きくなるばかりでな
く、ジュール熱による発熱でコイルが変形したり、電線
の絶縁層が溶けるなど、重大な問題を招くおそれがある
ため、この点からも抵抗値Rをできるだけ低減すること
が望まれている。
Further, the resistance value R of the horizontal deflection coil 1 is
If the value is large, not only the power consumption will increase, but also serious problems such as deformation of the coil due to heat generated by Joule heat and melting of the insulation layer of the wire may occur. It is desired to reduce R as much as possible.

【0011】[0011]

【発明が解決しようとする課題】このように、従来の偏
向ヨークでは、水平偏向コイル1の開口部側のベンド部
7が、管軸Zに対してほぼ垂直となる方向に成形されて
いるので、消費電力の改善のためにコイルの抵抗値Rを
小さくしようとしても限界があり、経済性の良好なもの
が得られないという問題があった。
As described above, in the conventional deflection yoke, the bend 7 on the opening side of the horizontal deflection coil 1 is formed in a direction substantially perpendicular to the tube axis Z. However, there is a limit to reducing the resistance value R of the coil for improving power consumption, and there is a problem that a good economical one cannot be obtained.

【0012】本発明は、このような問題を解決するため
になされたもので、その目的とするところは、水平偏向
コイルの消費電力を低減し、偏向感度を向上させて画像
品位の向上を図ることのできる偏向ヨークを提供するこ
とにある。
SUMMARY OF THE INVENTION The present invention has been made to solve such a problem. It is an object of the present invention to reduce the power consumption of a horizontal deflection coil, improve deflection sensitivity, and improve image quality. To provide a deflection yoke that can be used.

【0013】[0013]

【課題を解決するための手段】上記目的を達成するため
に、本発明の偏向ヨークは、電子ビームを水平方向に偏
向する水平偏向コイルと、前記電子ビームを垂直方向に
偏向する垂直偏向コイルと、磁性体から成るコアを備え
た偏向ヨークにおいて、前記水平偏向コイルの開口部側
のべンド部が、漏斗状のコーン部の外周面に対して法線
方向に成形されていることを特徴とするものである。
In order to achieve the above object, a deflection yoke according to the present invention comprises a horizontal deflection coil for deflecting an electron beam in a horizontal direction, and a vertical deflection coil for deflecting the electron beam in a vertical direction. A deflection yoke provided with a core made of a magnetic material, wherein a bent portion on the opening side of the horizontal deflection coil is formed in a normal direction to an outer peripheral surface of a funnel-shaped cone portion. Is what you do.

【0014】本発明では、このように構成することによ
って、水平偏向コイルの開口部側のべンド部を構成する
電線の長さを、従来に比べて短くすることができ、水平
偏向コイルの抵抗値Rを低減することができる。したが
って、消費電力が低減され、経済性が良好であるうえ
に、ジュール熱によるコイルの変形や電線絶縁層の溶融
・軟化が生じにくい。
According to the present invention, the length of the electric wire forming the bent portion on the opening side of the horizontal deflection coil can be made shorter than that of the conventional one, and the resistance of the horizontal deflection coil can be reduced. The value R can be reduced. Therefore, power consumption is reduced, economy is good, and deformation of the coil due to Joule heat and melting and softening of the wire insulation layer are less likely to occur.

【0015】特に本発明では、水平偏向コイルの開口部
側のベンド部を、コーン部の外周面に沿った形状とし、
このベンド部を覆うように、垂直偏向コイルを重ねて配
設することで、これまで水平偏向コイルの開口部側と電
子銃側の各ベンド部間の距離によって制約されていた、
垂直偏向コイルの管軸方向の長さをより長くすることが
でき、垂直偏向コイルの垂直偏向感度を改善することが
できる。そして、この垂直偏向コイルの偏向感度の改善
によって、偏向ヨークの消費電力をいっそう低減するこ
とができ、またラスター歪みをほぼ完全に無くすことが
可能となる。
In particular, in the present invention, the bend portion on the opening side of the horizontal deflection coil has a shape along the outer peripheral surface of the cone portion,
By arranging the vertical deflection coils in an overlapping manner so as to cover this bend portion, the distance between the opening side of the horizontal deflection coil and each bend portion on the electron gun side has been restricted until now.
The length of the vertical deflection coil in the tube axis direction can be made longer, and the vertical deflection sensitivity of the vertical deflection coil can be improved. By improving the deflection sensitivity of the vertical deflection coil, the power consumption of the deflection yoke can be further reduced, and the raster distortion can be almost completely eliminated.

【0016】[0016]

【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて説明する。
Embodiments of the present invention will be described below with reference to the drawings.

【0017】図1は、本発明の一実施形態である偏向ヨ
ークの概略構成を一部断面的に示す側面図である。な
お、モールド部は図示を省略した。
FIG. 1 is a side view partially showing a schematic configuration of a deflection yoke according to an embodiment of the present invention. The illustration of the mold section is omitted.

【0018】第1の実施例の偏向ヨークは、図に示すよ
うに、金型によって成形された一対の水平偏向コイル9
と、フェライトコア10に巻線されたトロイダル型の垂
直偏向コイル11とを、主な構成部品として備えてい
る。そして、水平偏向コイル9においては、その開口部
側のベンド部12(斜線部として示す。)が、漏斗状の
コーン部13の外周面に対して法線をなす方向に成形さ
れている。また、このような水平偏向コイル9の開口部
側のベンド部12と電子銃側のべンド部14との間のコ
ーン部13の外周面に沿って、トロイダル型の垂直偏向
コイル11が配設されている。
As shown in the drawing, the deflection yoke of the first embodiment has a pair of horizontal deflection coils 9 formed by a mold.
And a toroidal vertical deflection coil 11 wound around a ferrite core 10 as main components. In the horizontal deflection coil 9, a bend portion 12 (shown as a hatched portion) on the opening side is formed in a direction normal to the outer peripheral surface of the funnel-shaped cone portion 13. A toroidal vertical deflection coil 11 is provided along the outer peripheral surface of the cone 13 between the bend 12 on the opening side of the horizontal deflection coil 9 and the bend 14 on the electron gun side. Have been.

【0019】このように構成される第1の実施例の偏向
ヨークにおいて、水平偏向コイル9の開口部側のべンド
部12を構成する電線の長さは、このべンド部12の中
心線C0 と管軸Zとの交点A0 と、コーン部13の外周
面と中心線C0 との交点B0とを結ぶ線分を半径r0
する半円の円弧の長さL0 にほぼ比例した大きさとな
る。
In the deflection yoke according to the first embodiment thus configured, the length of the electric wire forming the bend portion 12 on the opening side of the horizontal deflection coil 9 is determined by the center line C of the bend portion 12. 0 and the intersection a 0 of the tube axis Z, substantially the arc length L 0 of the semicircle which the radius r 0 segment connecting the intersection point B 0 between the outer peripheral surface and the center line C 0 of the cone portion 13 The size is proportional.

【0020】従来の水平偏向コイル1と第1の実施例の
水平偏向コイル9とを重ねて図示した図2(a)および
(b)から明らかなように、実施例の水平偏向コイル9
における半円の半径r0 が、従来からの水平偏向コイル
1における半円の半径r1 に比べて小さくなっている。
したがって、第1の実施例の偏向ヨークでは、水平偏向
コイル9の開口部側のべンド部12を構成する電線の長
さが、大幅に短縮されるので、コイルの抵抗値Rが低減
され、その結果消費電力が低減される。。
As is clear from FIGS. 2 (a) and 2 (b) in which the conventional horizontal deflection coil 1 and the horizontal deflection coil 9 of the first embodiment are shown in an overlapped manner, the horizontal deflection coil 9 of the embodiment is shown.
Radius r 0 of the semicircle in is smaller than the radius r 1 of the semicircle in the horizontal deflection coil 1 from the prior art.
Therefore, in the deflection yoke of the first embodiment, the length of the electric wire forming the bend portion 12 on the opening side of the horizontal deflection coil 9 is greatly reduced, so that the resistance value R of the coil is reduced. As a result, power consumption is reduced. .

【0021】本発明の偏向ヨークの他の実施形態を、図
3に示す。
Another embodiment of the deflection yoke of the present invention is shown in FIG.

【0022】図に示すように、第2の実施例の偏向ヨー
クでは、水平偏向コイル9の開口部側のベンド部12の
厚さTが、第1の実施例に比べて増大され、その結果こ
のベンド部12がコーン部13の傾斜した外周面に沿っ
た形状となっている。そして、このベンド部12の上を
覆うように、垂直偏向コイル11が重ねて配置されてい
る。
As shown in the figure, in the deflection yoke of the second embodiment, the thickness T of the bend portion 12 on the opening side of the horizontal deflection coil 9 is increased as compared with the first embodiment. The bend portion 12 has a shape along the inclined outer peripheral surface of the cone portion 13. The vertical deflection coils 11 are arranged so as to cover the bends 12.

【0023】このように構成される第2の実施例では、
第1の実施例に比べて、垂直偏向コイル11の管軸Z方
向の長さをより長くすることができ、垂直偏向コイル1
1の偏向感度を改善することができる。
In the second embodiment configured as described above,
As compared with the first embodiment, the length of the vertical deflection coil 11 in the tube axis Z direction can be made longer, and the vertical deflection coil 1
1 can be improved.

【0024】なお、前記した第1および第2の実施例で
は、サドル型の水平偏向コイル9とトロイダル型の垂直
偏向コイル11をそれぞれ用いたサドル・トロイダル型
偏向ヨークについて説明したが、本発明は、サドル型の
垂直偏向コイルを用いた偏向ヨークにも適用可能であ
る。また、水平偏向コイル9としては、金型を使用して
成形されたものだけでなく、セクション巻きにより成形
された水平偏向コイルにも適用することができる。さら
に、サドル型の垂直偏向コイルでは、金型を使用して成
形された垂直偏向コイルだけでなく、セクション巻きに
より成形された垂直偏向コイルを使用した偏向ヨークに
も、本発明を適用することができる。
In the first and second embodiments, the saddle-toroidal deflection yoke using the saddle-type horizontal deflection coil 9 and the toroidal-type vertical deflection coil 11 has been described. The present invention is also applicable to a deflection yoke using a saddle type vertical deflection coil. The horizontal deflection coil 9 can be applied not only to a coil formed using a mold but also to a horizontal deflection coil formed by section winding. Further, in the saddle-type vertical deflection coil, the present invention can be applied not only to a vertical deflection coil formed by using a mold, but also to a deflection yoke using a vertical deflection coil formed by section winding. it can.

【0025】[0025]

【発明の効果】以上説明したように、本発明によれば、
水平偏向コイルの開口部側のべンド部がコーン部の外周
面に対して法線方向に成形されているので、水平偏向電
流の大きさと水平偏向コイルの断面積を変えることな
く、コイルの抵抗値を小さくすることができる。この水
平偏向コイルの偏向感度の改善によって、偏向ヨークの
消費電力を低減することができ、経済性に優れた偏向ヨ
ークを得ることができる。
As described above, according to the present invention,
Since the bent portion on the opening side of the horizontal deflection coil is formed in the normal direction to the outer peripheral surface of the cone portion, the resistance of the coil can be maintained without changing the magnitude of the horizontal deflection current and the cross-sectional area of the horizontal deflection coil. The value can be reduced. By improving the deflection sensitivity of the horizontal deflection coil, the power consumption of the deflection yoke can be reduced, and a deflection yoke excellent in economy can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の偏向ヨークの第1の実施例の概略構成
を一部断面的に示す側面図。
FIG. 1 is a side view partially showing a schematic configuration of a deflection yoke according to a first embodiment of the present invention;

【図2】第1の実施例の水平偏向コイルと従来の水平偏
向コイルとの比較を示す図であり、(a)は構成の比較
を示す側面図、(b)は半円の半径の長さの比較を示す
図。
FIGS. 2A and 2B are diagrams showing a comparison between the horizontal deflection coil of the first embodiment and a conventional horizontal deflection coil, wherein FIG. 2A is a side view showing a configuration comparison, and FIG. FIG.

【図3】本発明の第2の実施例の概略構成を示す一部断
面図。
FIG. 3 is a partial sectional view showing a schematic configuration of a second embodiment of the present invention.

【図4】従来のサドル・トロイダル型偏向ヨークにおい
て、水平偏向コイルの概略構成を示す側面図。
FIG. 4 is a side view showing a schematic configuration of a horizontal deflection coil in a conventional saddle toroidal deflection yoke.

【図5】従来の水平偏向コイルを成形するための金型の
断面図。
FIG. 5 is a sectional view of a mold for molding a conventional horizontal deflection coil.

【符号の説明】[Explanation of symbols]

9………水平偏向コイル 10………フェライトコア 11………垂直偏向コイル 12………水平偏向コイルの開口部側のべンド部 13………コーン部 9 Horizontal deflection coil 10 Ferrite core 11 Vertical deflection coil 12 Bend portion on the opening side of horizontal deflection coil 13 Cone portion

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 電子ビームを水平方向に偏向する水平偏
向コイルと、前記電子ビームを垂直方向に偏向する垂直
偏向コイルと、磁性体から成るコアを備えた偏向ヨーク
において、 前記水平偏向コイルの開口部側のべンド部が、漏斗状の
コーン部の外周面に対して法線方向に成形されているこ
とを特徴とする偏向ヨーク。
1. A deflection yoke having a horizontal deflection coil for deflecting an electron beam in a horizontal direction, a vertical deflection coil for deflecting the electron beam in a vertical direction, and a core made of a magnetic material, wherein an opening of the horizontal deflection coil is provided. A deflection yoke, wherein a bent portion on the side of the portion is formed in a direction normal to an outer peripheral surface of a funnel-shaped cone portion.
【請求項2】 請求項1記載の偏向ヨークにおいて、 前記水平偏向コイルの開口部側のベンド部が、前記コー
ン部の外周面に沿った形状を有し、該ベンド部を覆うよ
うに、前記垂直偏向コイルが配設されることを特徴とす
る偏向ヨーク。
2. The deflection yoke according to claim 1, wherein the bend portion on the opening side of the horizontal deflection coil has a shape along the outer peripheral surface of the cone portion, and covers the bend portion. A deflection yoke, wherein a vertical deflection coil is provided.
JP10776398A 1998-04-17 1998-04-17 Deflection yoke Withdrawn JPH11307011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10776398A JPH11307011A (en) 1998-04-17 1998-04-17 Deflection yoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10776398A JPH11307011A (en) 1998-04-17 1998-04-17 Deflection yoke

Publications (1)

Publication Number Publication Date
JPH11307011A true JPH11307011A (en) 1999-11-05

Family

ID=14467386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10776398A Withdrawn JPH11307011A (en) 1998-04-17 1998-04-17 Deflection yoke

Country Status (1)

Country Link
JP (1) JPH11307011A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050096464A (en) * 2004-03-30 2005-10-06 삼성전기주식회사 H-coil and deflection yoke comprising the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050096464A (en) * 2004-03-30 2005-10-06 삼성전기주식회사 H-coil and deflection yoke comprising the same

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Effective date: 20050705