JPS59150151U - Cathode support structure of cathode ray tube - Google Patents
Cathode support structure of cathode ray tubeInfo
- Publication number
- JPS59150151U JPS59150151U JP4648783U JP4648783U JPS59150151U JP S59150151 U JPS59150151 U JP S59150151U JP 4648783 U JP4648783 U JP 4648783U JP 4648783 U JP4648783 U JP 4648783U JP S59150151 U JPS59150151 U JP S59150151U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- support structure
- ray tube
- cylindrical
- cylindrical grid
- 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
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の陰極線管の陰極支持構体を説明する要部
縦断面図、第2図は、本考案に係る陰極線管の陰極支持
構体の一実施例を示す要部縦断面図、第3図は本考案に
係る陰極線管の陰極支持構体における陰極スリーブ支持
用セラミック板の他の実施例を示す平面図、第4図はさ
らに本考案に係る陰極線管の陰極支持構体の他の実施例
を示す要部縦断面図である。
図面において、1は陰極スリーブ、2は電子放射物質層
、4はスペーサ、5は円筒状グリッド、6は電子放射孔
、8はヒータ、21. 31. 41はセラミック板、
22は係合溝、23は係合突起24をそなえたリテーナ
を示す。FIG. 1 is a vertical cross-sectional view of a main part illustrating a cathode support structure of a conventional cathode ray tube, FIG. The figure is a plan view showing another embodiment of the ceramic plate for supporting the cathode sleeve in the cathode support structure of a cathode ray tube according to the present invention, and FIG. 4 further shows another embodiment of the cathode support structure of a cathode ray tube according to the present invention. FIG. In the drawing, 1 is a cathode sleeve, 2 is an electron emitting material layer, 4 is a spacer, 5 is a cylindrical grid, 6 is an electron emission hole, 8 is a heater, 21. 31. 41 is a ceramic plate,
Reference numeral 22 indicates an engagement groove, and reference numeral 23 indicates a retainer provided with an engagement protrusion 24.
Claims (1)
リッド内に、外周に鍔状の絶縁物板が添設され、かつ先
端に電子放射物質層有し、内部にヒータを収容する円筒
状陰極スリーブを、スペーサを介して同軸的に挿入し、
環状リテーナにより固定支持した陰極支持構体において
、上記円筒状陰極スリーブの外周に添設した鍔状の絶縁
物板の形状を前記円筒状グリッドの内周面に非接触また
は部分的に接触する形とし、かつ該絶縁物板の裏面に接
する環状リテーナにより前記陰極スリーブを円筒状グリ
ッド内に同軸状に固定支持してなることを特徴とする陰
極線管の陰極支持構体。A cylindrical grid having a perforated closed end with one end closed flat, a flange-shaped insulating plate attached to the outer periphery, an electron emitting material layer at the tip, and a heater housed inside. a shaped cathode sleeve coaxially inserted through a spacer,
In the cathode support structure fixedly supported by an annular retainer, the shape of the flange-shaped insulating plate attached to the outer periphery of the cylindrical cathode sleeve is such that it does not contact or partially contacts the inner peripheral surface of the cylindrical grid. A cathode support structure for a cathode ray tube, characterized in that the cathode sleeve is coaxially fixed and supported within a cylindrical grid by an annular retainer in contact with the back surface of the insulator plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4648783U JPS59150151U (en) | 1983-03-29 | 1983-03-29 | Cathode support structure of cathode ray tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4648783U JPS59150151U (en) | 1983-03-29 | 1983-03-29 | Cathode support structure of cathode ray tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59150151U true JPS59150151U (en) | 1984-10-06 |
Family
ID=30177039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4648783U Pending JPS59150151U (en) | 1983-03-29 | 1983-03-29 | Cathode support structure of cathode ray tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59150151U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02137742U (en) * | 1989-04-21 | 1990-11-16 |
-
1983
- 1983-03-29 JP JP4648783U patent/JPS59150151U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02137742U (en) * | 1989-04-21 | 1990-11-16 |
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