JPS6455653U - - Google Patents
Info
- Publication number
- JPS6455653U JPS6455653U JP15117687U JP15117687U JPS6455653U JP S6455653 U JPS6455653 U JP S6455653U JP 15117687 U JP15117687 U JP 15117687U JP 15117687 U JP15117687 U JP 15117687U JP S6455653 U JPS6455653 U JP S6455653U
- Authority
- JP
- Japan
- Prior art keywords
- electron
- screen
- electron gun
- cylindrical electrode
- electron beam
- 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
- 239000000758 substrate Substances 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 241001272720 Medialuna californiensis Species 0.000 claims 1
- 230000003116 impacting effect Effects 0.000 claims 1
Description
第１図は本考案の実施例に係わるＣＲＴを原理
的に示す断面図、第２図は第１図の第１及び第２
の筒状電極を示す斜視図、第３図は第１の筒状電
極とガイド基板との組立体を示す斜視図、第４図
はＣＲＴの偏向拡大電子レンズ部分を示す一部切
断側面図、第５図は第４図の―線の断面図、
第６図はガイド基板の斜視図、第７図はシールド
電極板の平面図である。
５……電子銃、１２……偏向拡大電子レンズ、
１７……後段加速電極、１８……第１の筒状電極
、１９……第２の筒状電極、２１ａ，２１ｂ……
シールド電極板、２５……ガイド基板、２７……
絶縁支持体。
FIG. 1 is a sectional view showing the principle of a CRT according to an embodiment of the present invention, and FIG.
3 is a perspective view showing an assembly of the first cylindrical electrode and a guide substrate; FIG. 4 is a partially cutaway side view showing a deflection magnifying electron lens portion of a CRT; Figure 5 is a cross-sectional view taken along the - line in Figure 4;
FIG. 6 is a perspective view of the guide substrate, and FIG. 7 is a plan view of the shield electrode plate. 5... Electron gun, 12... Deflection magnifying electron lens,
17...Late accelerating electrode, 18...First cylindrical electrode, 19...Second cylindrical electrode, 21a, 21b...
Shield electrode plate, 25... Guide board, 27...
Insulating support.
Claims (1)
子ビームを偏向する偏向手段と、前記電子銃５か
ら放射された電子ビームを衝撃させるスクリーン
１３と、前記偏向手段と前記スクリーン１３との
間に配置された偏向拡大電子レンズ１２と、前記
電子銃５、前記偏向手段、前記スクリーン１３及
び前記偏向拡大電子レンズ１２を収容する管体１
とを少なくとも具備し、前記偏向拡大電子レンズ
１２が電子ビーム入口側に配置され且つグランド
電位とされる第１の筒状電極１７と、電子ビーム
出口側に配置され且つ前記第１の筒状電極１７の
電位よりも高い電位とされる第２の筒状電極１８
とから成る陰極線管において、 前記第１及び第２の筒状電極１７，１８が夫々
の導電性ガイド基板２５を介して絶縁支持体２７
に固定され、 前記管体１の内部を前記スクリーン１３の側と
前記電子銃５の側とに分断するような形状のシー
ルド電極板２１ａ，２１ｂが前記第１の筒状電極
１７の外周面と前記管体１の内周面との間に配置
され、 前記シールド電極板２１ａ，２１ｂが前記第１
の筒状電極１７の前記ガイド基板２５に固着され
ていることを特徴とする陰極線管。 ［２］ 前記シールド電極板は、半月リング状の
第１及び第２のシールド電極板２１ａ，２１ｂか
ら成るものである実用新案登録請求の範囲第１項
記載の陰極線管。[Claims for Utility Model Registration] [1] An electron gun 5, a deflection means for deflecting the electron beam emitted from the electron gun, a screen 13 for impacting the electron beam emitted from the electron gun 5, and a deflection magnifying electron lens 12 disposed between the deflection means and the screen 13; a tube body 1 housing the electron gun 5, the deflection means, the screen 13, and the deflection magnification electron lens 12;
a first cylindrical electrode 17 which is arranged on the electron beam entrance side and has a ground potential; and a first cylindrical electrode 17 which is arranged on the electron beam exit side and which is set at the ground potential. A second cylindrical electrode 18 whose potential is higher than that of 17.
In the cathode ray tube, the first and second cylindrical electrodes 17 and 18 are connected to an insulating support 27 via a respective conductive guide substrate 25.
Shield electrode plates 21a and 21b are fixed to the outer peripheral surface of the first cylindrical electrode 17 and have a shape that divides the inside of the tube body 1 into the screen 13 side and the electron gun 5 side. The shield electrode plates 21a and 21b are arranged between the inner peripheral surface of the tube body 1 and the first
A cathode ray tube characterized in that a cylindrical electrode 17 is fixed to the guide substrate 25. [2] The cathode ray tube according to claim 1, wherein the shield electrode plate is composed of first and second shield electrode plates 21a and 21b having a half-moon ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15117687U JPH0448623Y2 (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15117687U JPH0448623Y2 (en) | 1987-09-30 | 1987-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6455653U true JPS6455653U (en) | 1989-04-06 |
| JPH0448623Y2 JPH0448623Y2 (en) | 1992-11-16 |
Family
ID=31424986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15117687U Expired JPH0448623Y2 (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448623Y2 (en) |
-
1987
- 1987-09-30 JP JP15117687U patent/JPH0448623Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0448623Y2 (en) | 1992-11-16 |
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