JPH0785816A - Deflection yoke - Google Patents
Deflection yokeInfo
- Publication number
- JPH0785816A JPH0785816A JP25017593A JP25017593A JPH0785816A JP H0785816 A JPH0785816 A JP H0785816A JP 25017593 A JP25017593 A JP 25017593A JP 25017593 A JP25017593 A JP 25017593A JP H0785816 A JPH0785816 A JP H0785816A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- deflection yoke
- auxiliary
- auxiliary coil
- ray tube
- 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
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ラスター回転用補助コ
イルを備えた偏向ヨークに関する。そして、この発明
は、キャンセルコイル等の他の補助部品付きの偏向ヨー
クにラスター回転用補助コイルを設ける場合に、磁気的
干渉の問題を発生することなく、しかも、大径側の外径
を小型化できる偏向ヨークを提供することを目的として
いる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deflection yoke having a raster rotation auxiliary coil. Further, according to the present invention, when the raster rotation auxiliary coil is provided on the deflection yoke with other auxiliary components such as the cancel coil, the problem of magnetic interference does not occur, and the outer diameter on the large diameter side is reduced It is an object of the present invention to provide a deflection yoke that can be realized.
【０００２】[0002]
【従来の技術】偏向ヨークから発生する磁界以外の磁界
（地磁気等）によって回転したラスター（図３参照）を
正しい位置に戻すために、従来からラスター回転用補助
コイルが用いられている。2. Description of the Related Art In order to return a raster (see FIG. 3) rotated by a magnetic field (such as geomagnetism) other than a magnetic field generated from a deflection yoke to a correct position, a raster rotating auxiliary coil has been conventionally used.
【０００３】図４及び図５にラスター回転用補助コイル
を備えた従来の偏向コイルを示す。図４は陰極線管に取
付けた従来の偏向ヨークの断面の様子を示す図、図５は
図４の部分拡大図である。4 and 5 show a conventional deflection coil provided with an auxiliary coil for raster rotation. FIG. 4 is a diagram showing a state of a cross section of a conventional deflection yoke attached to a cathode ray tube, and FIG. 5 is a partially enlarged view of FIG.
【０００４】図において、１は鞍型に巻線された一対の
水平偏向コイル、２は鞍型（もしくはトロイダル型）に
巻線された一対の垂直偏向コイル、３は水平偏向コイル
１と垂直偏向コイル２とを電気的に絶縁して保持するた
めのラッパ型のコイルセパレータである。ラスター回転
用補助コイル４は、取付けが容易な、コイルセパレータ
３の大径側フランジ部３ａ（水平偏向コイル１の大径側
渡り線部を覆う部分）の外周に全周にわたって設けられ
る。補助コイル４のコイルボビン５の断面はコの字型で
あり、補助コイル４は断面が長方形に形成される。この
補助コイル４に直流電流を流すことにより、地磁気等に
よって回転したラスターを正しい位置に戻すことができ
る。In the figure, 1 is a pair of horizontal deflection coils wound in a saddle type, 2 is a pair of vertical deflection coils wound in a saddle type (or toroidal type), and 3 is a horizontal deflection coil 1 and a vertical deflection coil. It is a trumpet type coil separator for electrically insulating and holding the coil 2. The raster rotation auxiliary coil 4 is provided over the entire circumference on the outer periphery of the large-diameter side flange portion 3a of the coil separator 3 (the portion that covers the large-diameter side connecting wire portion of the horizontal deflection coil 1), which is easy to attach. The coil bobbin 5 of the auxiliary coil 4 has a U-shaped cross section, and the auxiliary coil 4 has a rectangular cross section. By applying a direct current to the auxiliary coil 4, the raster rotated by the geomagnetism or the like can be returned to the correct position.
【０００５】なお、６は端子板、７は磁気コア、８は陰
極線管のファンネル部、９は偏向ヨークを陰極線管に固
定するための固定用クサビである。Reference numeral 6 is a terminal plate, 7 is a magnetic core, 8 is a funnel portion of the cathode ray tube, and 9 is a fixing wedge for fixing the deflection yoke to the cathode ray tube.
【０００６】ここで、従来の偏向ヨーク（図６参照）と
して、ラスター回転用補助コイル４ではなくキャンセル
コイル１０を設けたものがある。キャンセルコイル１０
の取付け位置は、ラスター回転用補助コイル４と同様、
取付けの容易性からコイルセパレータ３の大径側フラン
ジ部３ａの外周である。このキャンセルコイル１０は、
水平偏向コイル本体及び垂直偏向コイル本体から外部に
漏洩する不要な磁界を打ち消す働きをしている。Some conventional deflection yokes (see FIG. 6) are provided with a cancel coil 10 instead of the raster rotation auxiliary coil 4. Cancel coil 10
The mounting position of is the same as the raster rotation auxiliary coil 4,
It is the outer circumference of the large-diameter side flange portion 3a of the coil separator 3 for ease of mounting. This canceling coil 10
It works to cancel unnecessary magnetic fields leaking from the horizontal deflection coil body and the vertical deflection coil body to the outside.
【０００７】また、従来の偏向ヨーク（図７参照）とし
て、ラスター回転用補助コイル４ではなく、コンバーゼ
ンスや偏向歪を改善するマグネット１１を大径側フラン
ジ部３ａの外周に設けたものもある。Further, as a conventional deflection yoke (see FIG. 7), there is also one in which a magnet 11 for improving convergence and deflection distortion is provided on the outer circumference of the large diameter side flange portion 3a, instead of the raster rotation auxiliary coil 4.
【０００８】[0008]
【発明が解決しようとする課題】以上のようなキャンセ
ルコイル１０、マグネット１１等の補助部品が、コイル
セパレータ３の大径側フランジ部３ａの外周に取付けら
れている偏向ヨークに、ラスター回転用補助コイル４を
取付ける場合、従来は偏向ヨークの大型化が免れなかっ
た。The auxiliary components such as the cancel coil 10 and the magnet 11 as described above are attached to the deflection yoke attached to the outer periphery of the large-diameter side flange portion 3a of the coil separator 3 to assist the raster rotation. In the case of mounting the coil 4, the deflection yoke must be upsized in the past.
【０００９】一例として、キャンセルコイル１０付きの
偏向コイルにラスター回転用補助コイル４を取付ける場
合を考える。一つの方法としては、図８に示すように、
ラスター回転用補助コイル４を、キャンセルコイル１０
と重ならないように、キャンセルコイル１０よりも陰極
線管の画面側に取付ける方法がある。ここで、固定用ク
サビ９は、陰極線管のファンネル部８に偏向ヨークの大
径側が直接接しないように所定位置まで挿入させなけれ
ばならない。よって、この取付け方法では、固定用クサ
ビ９のためのスペースを確保するためにはラスター回転
用補助コイル４の径を従来のものよりもかなり大きくし
なけらばならず。これが、偏向ヨークの大型化（具体的
には大径側の外径寸法の大型化）につながっていた。偏
向ヨークが大型化すると、ディスプレイ装置内での配置
の問題や梱包効率の悪化等を招いてしまう。また、ラス
ター回転用補助コイル４の径が大きくなるとラスターの
回転を修正する効率が低下してしまう。As an example, consider a case where the raster rotation auxiliary coil 4 is attached to the deflection coil having the cancel coil 10. As one method, as shown in FIG.
Raster rotation auxiliary coil 4 and cancel coil 10
There is a method of mounting the cancel coil 10 on the screen side of the cathode ray tube so as not to overlap with. Here, the fixing wedge 9 must be inserted to a predetermined position so that the large diameter side of the deflection yoke does not come into direct contact with the funnel portion 8 of the cathode ray tube. Therefore, in this mounting method, in order to secure the space for the fixing wedges 9, the diameter of the raster rotation auxiliary coil 4 must be made considerably larger than that of the conventional one. This has led to an increase in the size of the deflection yoke (specifically, an increase in the outer diameter dimension on the large diameter side). When the deflection yoke becomes large, it causes problems such as arrangement in the display device and deterioration of packing efficiency. Further, if the diameter of the raster rotation auxiliary coil 4 increases, the efficiency of correcting the rotation of the raster decreases.
【００１０】ラスター回転用補助コイル４を取付ける他
の方法としては、キャンセルコイル１０よりも陰極線管
の電子銃側に取付ける方法がある。この場合は、端子板
６と重ならないように補助コイル４の径を大きくしなけ
ればならず、結局、偏向ヨークの大型化につながってし
まう。さらには、補助コイル４を動作させてラスターの
回転を補正した場合、補助コイル４の磁界と偏向ヨーク
本体の磁界とが接近し、補助コイル４の磁界がコンバー
ゼンスに悪影響を与えしまう。As another method of attaching the raster rotation auxiliary coil 4, there is a method of attaching it to the electron gun side of the cathode ray tube rather than the cancel coil 10. In this case, the diameter of the auxiliary coil 4 must be increased so that the auxiliary coil 4 does not overlap the terminal plate 6, which eventually leads to an increase in the size of the deflection yoke. Furthermore, when the auxiliary coil 4 is operated to correct the rotation of the raster, the magnetic field of the auxiliary coil 4 and the magnetic field of the deflection yoke body approach each other, and the magnetic field of the auxiliary coil 4 adversely affects the convergence.
【００１１】この発明は、キャンセルコイル等の補助部
品付きの偏向ヨークにラスター回転用補助コイルを設け
ても、磁気的干渉の問題を発生することなく、しかも、
大径側の外径を小型化できる偏向ヨークを提供すること
を目的としている。According to the present invention, even if the raster rotation auxiliary coil is provided on the deflection yoke having an auxiliary component such as a cancel coil, the problem of magnetic interference does not occur, and moreover,
It is an object of the present invention to provide a deflection yoke that can reduce the outer diameter on the large diameter side.
【００１２】[0012]
【課題を解決するための手段】そこで、上記課題を解決
するために本発明は、コイルセパレータの大径側フラン
ジ部の外周部に補助部品を備えた偏向ヨークにおいて、
陰極線管に取付けた場合に、前記コイルセパレータの大
径側フランジ部より画面側となる位置に、ラスター回転
用補助コイルを設け、前記ラスター回転用補助コイルは
その断面が、前記位置と対向する前記陰極線管のファン
ネル部のカーブに略沿った形状の傾斜部を備えた略クサ
ビ形であることを特徴とする偏向ヨークを提供するもの
である。In order to solve the above problems, the present invention provides a deflection yoke having an auxiliary component on the outer peripheral portion of the large-diameter side flange portion of a coil separator.
When attached to a cathode ray tube, a raster rotation auxiliary coil is provided at a position closer to the screen than the large-diameter side flange portion of the coil separator, and the raster rotation auxiliary coil has a cross section thereof facing the position. It is intended to provide a deflection yoke having a substantially wedge shape, which includes an inclined portion having a shape substantially along a curve of a funnel portion of a cathode ray tube.
【００１３】[0013]
【実施例】図１に本発明の一実施例を示す。上述したよ
うに、コイルセパレータ３の大径側フランジ部３ａの外
周部に補助部品（ここではキャンセルコイル１０）を有
している偏向ヨークに、ラスター回転用補助コイルを取
付ける場合、キャンセルコイル１０よりも陰極線管の電
子銃側に取付けることは、磁気的干渉の点から好ましく
ない。FIG. 1 shows an embodiment of the present invention. As described above, when the raster rotation auxiliary coil is attached to the deflection yoke having the auxiliary component (here, the cancel coil 10) on the outer peripheral portion of the large-diameter side flange portion 3a of the coil separator 3, Also, it is not preferable to mount the cathode ray tube on the electron gun side in terms of magnetic interference.
【００１４】そこで、本実施例では、磁気的干渉を避け
るために、ラスター回転用補助コイル４ａを、偏向ヨー
クを陰極線管に取付けた場合にコイルセパレータ３の大
径側フランジ部３ａより画面側となる位置に設ける。Therefore, in this embodiment, in order to avoid magnetic interference, the raster rotation auxiliary coil 4a is located closer to the screen than the large-diameter side flange portion 3a of the coil separator 3 when the deflection yoke is attached to the cathode ray tube. It is installed at the position.
【００１５】補助コイル４ａを大径側フランジ部３ａよ
り画面側に設けた場合には、上記したように、固定用ク
サビ９のスペース確保のため補助コイル４ａの径を大き
しなければならず、偏向ヨークが大型化するという問題
が発生する。この問題を解決するために本実施例は、補
助コイル４ａのコイルボビン１２の形状を、図１にも示
すように、陰極線管のファンネル部８のカーブ（より正
確には、偏向ヨークを陰極線管に取付けた場合にコイル
ボビンと対向する位置の陰極線管のファンネル部８のカ
ーブ）に略沿った形状の傾斜部を有する略クサビ形とす
る。そして、コイルボビン１２にラスター回転用補助コ
イル４ａを形成する。形成されたラスター回転用補助コ
イル４ａは、その断面が、偏向ヨークを陰極線管に取付
けた場合に補助コイル４ａと対向する位置の陰極線管の
ファンネル部８のカーブに略沿った形状の傾斜部を有す
る略クサビ形となる。When the auxiliary coil 4a is provided on the screen side of the large-diameter side flange portion 3a, the diameter of the auxiliary coil 4a must be increased to secure the space for the fixing wedge 9 as described above. There is a problem that the deflection yoke becomes large. In order to solve this problem, in the present embodiment, as shown in FIG. 1, the shape of the coil bobbin 12 of the auxiliary coil 4a is changed to the curve of the funnel portion 8 of the cathode ray tube (more precisely, the deflection yoke is changed to the cathode ray tube). When attached, it has a substantially wedge shape having an inclined portion that is substantially along the curve of the funnel portion 8 of the cathode ray tube at a position facing the coil bobbin. Then, the raster rotating auxiliary coil 4 a is formed on the coil bobbin 12. The formed raster rotation auxiliary coil 4a has an inclined portion whose cross section is substantially along the curve of the funnel portion 8 of the cathode ray tube at a position facing the auxiliary coil 4a when the deflection yoke is attached to the cathode ray tube. It has a wedge shape.
【００１６】ラスター回転用補助コイル４ａとコイルボ
ビン１２とを略クサビ形としたことにより、図８に示す
ように、固定用クサビ９のスペースを確保しても補助コ
イル４ａの外径寸法を、補助部品なしの偏向ヨークに設
ける従来のラスター回転用補助コイルの外径寸法とほぼ
同一寸法とできる。従って、本実施例の補助コイル４ａ
の外径寸法は、図６に示す補助部品付きの偏向ヨークに
設ける従来のラスター回転用補助コイルの外径寸法より
も大幅に小さくなる。By making the auxiliary coil 4a for raster rotation and the coil bobbin 12 substantially wedge-shaped, as shown in FIG. 8, even if the space for the fixing wedge 9 is secured, the outer diameter of the auxiliary coil 4a is supplemented. The outer diameter of the conventional auxiliary coil for raster rotation provided on the deflection yoke without components can be made substantially the same. Therefore, the auxiliary coil 4a of this embodiment
The outer diameter dimension of is significantly smaller than the outer diameter dimension of the conventional auxiliary coil for raster rotation provided in the deflection yoke with the auxiliary component shown in FIG.
【００１７】よって、この実施例は、補助部品付きの偏
向ヨークにラスター回転用補助コイルを設ける場合に、
従来（例えば図６）と比べて大径側の外径を大幅に小型
化できる。同時に、ラスター回転用補助コイルの径が大
きくなることによるラスター回転の修正効率の低下の問
題も解決できる。Therefore, in this embodiment, when the raster rotation auxiliary coil is provided in the deflection yoke with the auxiliary component,
The outer diameter on the large diameter side can be significantly reduced compared to the conventional case (for example, FIG. 6). At the same time, it is possible to solve the problem that the efficiency of correction of raster rotation decreases due to the increase in the diameter of the auxiliary coil for raster rotation.
【００１８】[0018]
【発明の効果】以上の通り、本発明の偏向ヨークは、補
助部品付きの偏向ヨークにラスター回転用補助コイルを
設ける場合に、磁気的干渉の問題を発生させることな
く、従来と比べて大径側の外径を大幅に小型化できる。
さらには、ラスター回転用補助コイルの径が大きくなる
ことによるラスター回転の修正効率の低下の問題も解決
できる。As described above, the deflection yoke of the present invention has a larger diameter than the conventional one without causing the problem of magnetic interference when the raster rotation auxiliary coil is provided in the deflection yoke with the auxiliary component. The outside diameter on the side can be significantly reduced.
Further, it is possible to solve the problem that the correction efficiency of the raster rotation is lowered due to the increase in the diameter of the raster rotation auxiliary coil.
【図１】一実施例の要部を示す図である。FIG. 1 is a diagram showing a main part of one embodiment.
【図２】大径側の外径寸法を比較するための図である。FIG. 2 is a diagram for comparing outer diameter dimensions on the large diameter side.
【図３】ラスターの回転を説明するための図である。FIG. 3 is a diagram for explaining rotation of a raster.
【図４】ラスター回転用補助コイルを設けた従来の補助
部品なしの偏向ヨークを示す図である。FIG. 4 is a view showing a conventional deflection yoke without an auxiliary component, which is provided with an auxiliary coil for raster rotation.
【図５】図４の部分拡大図である。FIG. 5 is a partially enlarged view of FIG.
【図６】従来の補助部品付きの偏向ヨークを示す図であ
る。FIG. 6 is a view showing a conventional deflection yoke with an auxiliary component.
【図７】従来の補助部品付きの偏向ヨークを示す図であ
る。FIG. 7 is a view showing a conventional deflection yoke with an auxiliary component.
【図８】ラスター回転用補助コイルを設けた従来の補助
部品付きの偏向ヨークを示す図である。FIG. 8 is a diagram showing a conventional deflection yoke with an auxiliary component provided with an auxiliary coil for raster rotation.
３ コイルセパレータ ３ａ コイルセパレータの大径側フランジ部 ４ａ ラスター回転用補助コイル ８ 陰極線管ファンネル部 ９ 偏向ヨーク固定用クサビ １０ キャンセルコイル １２ コイルボビン 3 Coil separator 3a Large diameter side flange of coil separator 4a Auxiliary coil for raster rotation 8 Cathode ray tube funnel 9 Deflection yoke fixing wedge 10 Cancel coil 12 Coil bobbin
Claims (1)
周部に補助部品を備えた偏向ヨークにおいて、 陰極線管に取付けた場合に、前記コイルセパレータの大
径側フランジ部より画面側となる位置に、ラスター回転
用補助コイルを設け、 前記ラスター回転用補助コイルはその断面が、前記位置
と対向する前記陰極線管のファンネル部のカーブに沿っ
た形状の傾斜部を備えた略クサビ形であることを特徴と
する偏向ヨーク。1. A deflection yoke having an auxiliary component on the outer periphery of a large-diameter side flange portion of a coil separator, wherein the deflection yoke is located on a screen side of the large-diameter side flange portion of the coil separator when attached to a cathode ray tube. A raster rotation auxiliary coil is provided, wherein the cross section of the raster rotation auxiliary coil is substantially wedge-shaped with an inclined portion having a shape along the curve of the funnel portion of the cathode ray tube facing the position. Characteristic deflection yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25017593A JP2917769B2 (en) | 1993-09-10 | 1993-09-10 | Deflection yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25017593A JP2917769B2 (en) | 1993-09-10 | 1993-09-10 | Deflection yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0785816A true JPH0785816A (en) | 1995-03-31 |
| JP2917769B2 JP2917769B2 (en) | 1999-07-12 |
Family
ID=17203938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25017593A Expired - Fee Related JP2917769B2 (en) | 1993-09-10 | 1993-09-10 | Deflection yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2917769B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10306966B4 (en) * | 2002-02-21 | 2008-04-30 | Murata Kikai K.K. | Plate processing machine with a bending function |
| US7802506B2 (en) | 2005-07-04 | 2010-09-28 | Amada Company, Limited | Upper tool device and punch therefor |
-
1993
- 1993-09-10 JP JP25017593A patent/JP2917769B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10306966B4 (en) * | 2002-02-21 | 2008-04-30 | Murata Kikai K.K. | Plate processing machine with a bending function |
| US7802506B2 (en) | 2005-07-04 | 2010-09-28 | Amada Company, Limited | Upper tool device and punch therefor |
| US7958807B2 (en) | 2005-07-04 | 2011-06-14 | Amada Company Limited | Upper tool device and punch therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2917769B2 (en) | 1999-07-12 |
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