JPH0181851U - - Google Patents
Info
- Publication number
- JPH0181851U JPH0181851U JP1987177555U JP17755587U JPH0181851U JP H0181851 U JPH0181851 U JP H0181851U JP 1987177555 U JP1987177555 U JP 1987177555U JP 17755587 U JP17755587 U JP 17755587U JP H0181851 U JPH0181851 U JP H0181851U
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- deflection
- electrode
- deflection electrode
- 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.)
- Pending
Links
- 238000010894 electron beam technology Methods 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Description
第１図は本考案に係る観測用ブラウン管の概略
を示す断面図、第２図ａ，ｂ，ｃはその要部の断
面図、第３図ａは従来の観測用ブラウン管の概略
を示す断面図、第３図ｂ，ｃは電子ビーム状況を
モデル的に画いた図である。
Fig. 1 is a sectional view schematically showing the observation cathode ray tube according to the present invention, Fig. 2 a, b, and c are sectional views of the main parts thereof, and Fig. 3 a is a sectional view schematically showing the conventional observation cathode ray tube. , FIGS. 3b and 3c are diagrams depicting the electron beam situation as a model.
Claims (1)
するフエース部と、このフエース部の内面に形成
する蛍光面と、前記容器の端部に配置し電子ビー
ムを射出する電子銃、この電子ビームの進行方向
に配列する集束電極と、前記電子ビームを所定の
方向に偏向する第１の偏向電極と、この第１の偏
向電極に近接して配列しその偏向方向と直角方向
に前記電子ビームを偏向する第２の偏向電極と、
この第１及び第２の偏向電極間に配置するシール
ド電極を備える観測用ブラウン管において、前記
第１の偏向電極に前記電子ビームに対向する面に
凹部を形成する板状電極を適用することを特徴と
する観測用ブラウン管。 A container having a substantially funnel-shaped cross section, a face part installed in the opening, a phosphor screen formed on the inner surface of the face part, an electron gun located at the end of the container to emit an electron beam, and the electron beam. a first deflection electrode for deflecting the electron beam in a predetermined direction; and a first deflection electrode arranged close to the first deflection electrode for deflecting the electron beam in a direction perpendicular to the deflection direction. a second deflection electrode that deflects;
In this observation cathode ray tube including a shield electrode disposed between the first and second deflection electrodes, a plate-shaped electrode having a concave portion formed on a surface facing the electron beam is applied to the first deflection electrode. A cathode ray tube for observation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177555U JPH0181851U (en) | 1987-11-24 | 1987-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177555U JPH0181851U (en) | 1987-11-24 | 1987-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181851U true JPH0181851U (en) | 1989-05-31 |
Family
ID=31469216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177555U Pending JPH0181851U (en) | 1987-11-24 | 1987-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181851U (en) |
-
1987
- 1987-11-24 JP JP1987177555U patent/JPH0181851U/ja active Pending
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