JPH0315453U - - Google Patents
Info
- Publication number
- JPH0315453U JPH0315453U JP7606689U JP7606689U JPH0315453U JP H0315453 U JPH0315453 U JP H0315453U JP 7606689 U JP7606689 U JP 7606689U JP 7606689 U JP7606689 U JP 7606689U JP H0315453 U JPH0315453 U JP H0315453U
- Authority
- JP
- Japan
- Prior art keywords
- deflection
- permanent magnet
- electron gun
- pair
- magnetic field
- 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.)
- Pending
Links
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 241000226585 Antennaria plantaginifolia Species 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
Description
第１図乃至第１２図この考案の実施例の説明図
で、第１図はその一実施例カラー受像管装置の構
成図、第２図はその偏向装置およびこの偏向装置
に対する一対の永久磁石組合体の配置を示す図、
第３図はその電子銃構体の主レンズ部を構成する
電極構造を示す図、第４図は水平軸を挟んで上下
に配置された一対の永久磁石組合体のピンクツシ
ヨン形磁界が電子ビームのスポツトに及ぼす作用
およびピンクツシヨン形磁界の静コンバーゼンス
作用を説明するための図、第５図および第６図は
それぞれ一対の永久磁石組合体の静コンバーゼン
ス作用と比較のために示した従来の電子銃構体の
静コンバーゼンスをとるための主レンズ部を構成
する電極構造を示す図、第７図は一対の永久磁石
組合体が発生するピンクツシヨン形磁界の非回転
対称レンズ機能を説明するための図、第８図は一
対の永久磁石組合体の漏洩磁界とコンバーゼンス
を補正する補正片との関係を示す図、第９図は偏
向装置に対する一対の永久磁石組合体の異なる配
置を示す図、第１０図はその一対の永久磁石組合
体のピンクツシヨン形磁界が電子ビームのスポツ
トに及ぼす作用を説明するための図、第１１図は
同じくその一対の永久磁石組合体のピンクツシヨ
ン形磁界の静コンバーゼンス作用を説明するため
の図、第１２図は偏向装置に対する一対の永久磁
石組合体のさらに異なる配置を示す図、第１３図
は従来のカラー受像管装置の構成図、第１４図は
偏向装置の斉一磁界により偏向された電子ビーム
のスポツト形状の説明図、第１５図は偏向装置の
非斉一磁界により偏向された電子ビームのスポツ
ト形状の説明図、第１６図ａおよびｂはそれぞれ
電子ビームに対するピンクツシヨン形水平偏向磁
界およびバレル形垂直偏向磁界の影響を説明する
ための図、第１７図は本願の先願に係る偏向装置
に対する一対の永久磁石の配置を示す図、第１８
図はその一対の永久磁石の磁界を示す図である。
９……偏向装置、１０……水平偏向コイル、１
１……垂直偏向コイル、２０……電子銃構体、２
４……偏向装置の電子銃構体側端部、２５ａ〜２
５ｄ……永久磁石組合体、２６ａ，２６ｂ……永
久磁石、２７……磁性片、Ｂ，Ｒ……一対のサイ
ドビーム、Ｇ……センタービーム。
Figures 1 to 12 are explanatory diagrams of embodiments of this invention, in which Figure 1 is a configuration diagram of a color picture tube device according to one embodiment, and Figure 2 is a deflection device and a pair of permanent magnet combinations for this deflection device. A diagram showing the placement of the body,
Figure 3 shows the electrode structure constituting the main lens part of the electron gun structure, and Figure 4 shows the pincushion magnetic field of a pair of permanent magnet combinations arranged above and below with the horizontal axis in between. Figures 5 and 6 are diagrams for explaining the static convergence effect of a pincushion type magnetic field and the static convergence effect of a pair of permanent magnet combinations, respectively, and a conventional electron gun assembly shown for comparison. Figure 7 is a diagram showing the electrode structure constituting the main lens section for static convergence; Figure 7 is a diagram to explain the non-rotationally symmetrical lens function of the pink tension magnetic field generated by a pair of permanent magnet combinations; Figure 8 is a diagram showing the relationship between the leakage magnetic field of a pair of permanent magnet assemblies and a correction piece for correcting convergence, FIG. 9 is a diagram showing different arrangements of the pair of permanent magnet assemblies with respect to the deflection device, and FIG. 10 is a diagram of the pair. FIG. 11 is a diagram for explaining the effect of the pink-tension magnetic field of the permanent magnet assembly on the spot of the electron beam, and FIG. , Fig. 12 is a diagram showing a further different arrangement of a pair of permanent magnet combinations with respect to the deflection device, Fig. 13 is a configuration diagram of a conventional color picture tube device, and Fig. 14 is a diagram showing electrons deflected by the uniform magnetic field of the deflection device. Figure 15 is an explanatory diagram of the spot shape of the electron beam deflected by the non-uniform magnetic field of the deflection device. Figures 16a and b are the pincushion horizontal deflection magnetic field and barrel shape for the electron beam, respectively. FIG. 17 is a diagram for explaining the influence of a vertical deflection magnetic field, and FIG.
The figure shows the magnetic field of the pair of permanent magnets. 9...Deflection device, 10...Horizontal deflection coil, 1
1...Vertical deflection coil, 20...Electron gun structure, 2
4... Electron gun structure side end of the deflection device, 25a-2
5d... Permanent magnet assembly, 26a, 26b... Permanent magnet, 27... Magnetic piece, B, R... Pair of side beams, G... Center beam.
Claims (1)
放出する電子銃構体と、上記複数電子ビームをそ
の配列方向に偏向する主としてピンクツシヨン形
偏向磁界を形成する第１偏向コイルおよび上記複
数電子ビームをその配列方向と直交する方向に偏
向する主としてバレル形偏向磁界を形成する第２
偏向コイルを備える偏向装置と、上記電子銃構体
側に一方の磁極が位置しかつこの電子銃構体側の
磁極が互いに反対磁極になるように並列する２個
の永久磁石を１組の永久磁石組合体として、上記
第１および第２偏向コイルの形成する少なくとも
一方の偏向磁界に対応して上記偏向装置の電子銃
構体側の複数電子ビームの径路上にピンクツシヨ
ン形磁界を発生するように配置された一対の永久
磁石組合体と、この一対の永久磁石組合体のそれ
ぞれに対して上記電子銃構体の反対側に配置され
、上記一対の永久磁石組合体の各永久磁石と磁気
的に結合する磁性片とを具備することを特徴とす
るカラー受像管装置。 an electron gun assembly that emits a plurality of electron beams arranged in a row passing on the same plane; a first deflection coil that mainly forms a pincushion type deflection magnetic field that deflects the plurality of electron beams in the direction in which the plurality of electron beams are arranged; A second field forming a primarily barrel-shaped deflection field deflecting in a direction perpendicular to the
A permanent magnet combination includes a deflection device including a deflection coil, and two permanent magnets arranged in parallel such that one magnetic pole is located on the electron gun assembly side and the magnetic poles on the electron gun assembly side are opposite magnetic poles. The deflector body is arranged to generate a pink tension magnetic field on the path of the plurality of electron beams on the electron gun structure side of the deflection device in response to the deflection magnetic field of at least one of the first and second deflection coils. a pair of permanent magnet assemblies; a magnetic piece disposed on the opposite side of the electron gun assembly to each of the pair of permanent magnet assemblies, and magnetically coupled to each permanent magnet of the pair of permanent magnet assemblies; A color picture tube device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7606689U JPH0315453U (en) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7606689U JPH0315453U (en) | 1989-06-28 | 1989-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0315453U true JPH0315453U (en) | 1991-02-15 |
Family
ID=31617202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7606689U Pending JPH0315453U (en) | 1989-06-28 | 1989-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315453U (en) |
-
1989
- 1989-06-28 JP JP7606689U patent/JPH0315453U/ja active Pending
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