JPS59150151U - Cathode support structure of cathode ray tube - Google Patents

Cathode support structure of cathode ray tube

Info

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
Application number
JP4648783U
Other languages
Japanese (ja)
Inventor
尾上　高明
Original Assignee
富士通株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 富士通株式会社 filed Critical 富士通株式会社
Priority to JP4648783U priority Critical patent/JPS59150151U/en
Publication of JPS59150151U publication Critical patent/JPS59150151U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端が平坦に閉塞された有孔閉塞端部を有する円筒状グ
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.
JP4648783U 1983-03-29 1983-03-29 Cathode support structure of cathode ray tube Pending JPS59150151U (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02137742U (en) * 1989-04-21 1990-11-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02137742U (en) * 1989-04-21 1990-11-16

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