JPH0179255U - - Google Patents
Info
- Publication number
- JPH0179255U JPH0179255U JP1987174261U JP17426187U JPH0179255U JP H0179255 U JPH0179255 U JP H0179255U JP 1987174261 U JP1987174261 U JP 1987174261U JP 17426187 U JP17426187 U JP 17426187U JP H0179255 U JPH0179255 U JP H0179255U
- Authority
- JP
- Japan
- Prior art keywords
- end surface
- insulator
- supports
- end surfaces
- electron gun
- 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
- 239000012212 insulator Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図は、本考案に係る電子銃の一実施例を示
す、要部拡大図を含む正面断面図、第２図は、第
１図のＡ―Ａ線矢視図である。第３図は、従来の
電子銃の正面断面図、第４図は、第３図のＢ―Ｂ
線矢視図である。
２１……インシユレータ、２１ａ……凹部、２
１ｂ……上面、２１ｃ……下面、２２……サポー
ト、２２ａ……端面、２３……フイラメントコイ
ル、２４……エミツタ物質、２５……筒体、２５
ａ……上端面、２５ｂ……下端面、２７……制御
電極。
FIG. 1 is a front sectional view including an enlarged view of essential parts, showing an embodiment of an electron gun according to the present invention, and FIG. 2 is a view taken along the line AA in FIG. 1. Fig. 3 is a front cross-sectional view of a conventional electron gun, and Fig. 4 is taken from BB in Fig. 3.
It is a line arrow view. 21...Insulator, 21a...Recess, 2
1b...Top surface, 21c...Bottom surface, 22...Support, 22a...End surface, 23...Filament coil, 24...Emitter material, 25...Cylinder body, 25
a... Upper end surface, 25b... Lower end surface, 27... Control electrode.
Claims (1)
と同一平面上に露呈するように一対のサポートを
固着し、前記サポートの端面間に、エミツタ物質
を被着したフイラメントコイルを架設したインシ
ユレータに、下端面をインシユレータ下面に揃え
、上端面がインシユレータ上面から所定の距離突
出し、その上端面に制御電極を取付けるようにし
た筒体を外嵌し、一体化したことを特徴とする電
子銃。 A pair of supports are fixed to both sides of the edge of a recess formed at the top so that the end surfaces are exposed on the same plane as the top surface, and a filament coil coated with an emitter material is installed between the end surfaces of the supports. An electron gun characterized in that a cylindrical body having a lower end surface aligned with the lower surface of an insulator, an upper end surface protruding a predetermined distance from the upper surface of the insulator, and a control electrode attached to the upper end surface is fitted and integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17426187U JPH0454672Y2 (en) | 1987-11-13 | 1987-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17426187U JPH0454672Y2 (en) | 1987-11-13 | 1987-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0179255U true JPH0179255U (en) | 1989-05-29 |
| JPH0454672Y2 JPH0454672Y2 (en) | 1992-12-22 |
Family
ID=31466129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17426187U Expired JPH0454672Y2 (en) | 1987-11-13 | 1987-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454672Y2 (en) |
-
1987
- 1987-11-13 JP JP17426187U patent/JPH0454672Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454672Y2 (en) | 1992-12-22 |