JPS62167355U - - Google Patents
Info
- Publication number
- JPS62167355U JPS62167355U JP5568386U JP5568386U JPS62167355U JP S62167355 U JPS62167355 U JP S62167355U JP 5568386 U JP5568386 U JP 5568386U JP 5568386 U JP5568386 U JP 5568386U JP S62167355 U JPS62167355 U JP S62167355U
- Authority
- JP
- Japan
- Prior art keywords
- crt
- correction device
- magnets
- distortion correction
- peripheral
- 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
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010894 electron beam technology Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Description
第１図はこの考案の前提となる歪補正装置を示
す図、第２図はこの考案にかかる歪補正装置の実
施例を示す図、第３図は第１図装置におけるＣＲ
Ｔ取付状態を示す斜視図、第４図はこの考案の他
の実施例を示す図、第５図は本考案に適用される
非球面ＣＲＴを示す図、第６図は第５図ＣＲＴに
おけるシヤドーマスクを示す図、第７図は第５図
ＣＲＴによつて生じる画面歪を示す図、第８図は
従来の歪補正装置を示す図、第９図は第８図装置
による画面歪を示す図である。
ｍ，ｍ１，ｍ２……磁石、ｍ３，ｍ３０，ｍ３
１……磁性体、１……ＣＲＴ、２……シヤドーマ
スク。
Fig. 1 is a diagram showing a distortion correction device which is the premise of this invention, Fig. 2 is a diagram showing an embodiment of the distortion correction device according to this invention, and Fig. 3 is a diagram showing the CR in the device shown in Fig. 1.
FIG. 4 is a perspective view showing the T-mounted state, FIG. 4 is a view showing another embodiment of this invention, FIG. 5 is a view showing an aspherical CRT applied to this invention, and FIG. 6 is a shadow mask in FIG. 7 is a diagram showing screen distortion caused by the CRT shown in FIG. 5, FIG. 8 is a diagram showing a conventional distortion correction device, and FIG. 9 is a diagram showing screen distortion caused by the device shown in FIG. be. m, m1, m2...magnet, m3, m30, m3
1...Magnetic material, 1...CRT, 2...Shadow mask.
Claims (1)
正装置であつて、ＣＲＴの電子ビームを偏向でき
る所定の部分に互いに逆磁極性の磁石を対向して
設けると共に、前記磁石間に磁性体を設置するよ
うにしたことを特徴とするＣＲＴの周辺歪補正装
置。 A distortion correction device for correcting screen distortion occurring in the peripheral area of a CRT, in which magnets with opposite magnetic polarities are provided facing each other at predetermined portions of the CRT that can deflect electron beams, and a magnetic material is provided between the magnets. A peripheral distortion correction device for a CRT, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5568386U JPS62167355U (en) | 1986-04-14 | 1986-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5568386U JPS62167355U (en) | 1986-04-14 | 1986-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62167355U true JPS62167355U (en) | 1987-10-23 |
Family
ID=30883808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5568386U Pending JPS62167355U (en) | 1986-04-14 | 1986-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167355U (en) |
-
1986
- 1986-04-14 JP JP5568386U patent/JPS62167355U/ja active Pending
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