JPH0328644U - - Google Patents

Info

Publication number
JPH0328644U
JPH0328644U JP1990068966U JP6896690U JPH0328644U JP H0328644 U JPH0328644 U JP H0328644U JP 1990068966 U JP1990068966 U JP 1990068966U JP 6896690 U JP6896690 U JP 6896690U JP H0328644 U JPH0328644 U JP H0328644U
Authority
JP
Japan
Prior art keywords
insulating block
control grid
skirt
welded
cathode structure
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
JP1990068966U
Other languages
English (en)
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 filed Critical
Publication of JPH0328644U publication Critical patent/JPH0328644U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/18—Assembling together the component parts of electrode systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Description

【図面の簡単な説明】
第１図は本考案のカソード構造体の１実施例の
分解斜視図、第２図は第１図に図示された本考案
のカソード構造体の結合状態の断面図、第３図は
第２図の部分の拡大図、第４図は本考案のカソ
ード構造体の他の実施例の分解斜視図、第５図は
第４図に図示された本考案のカソード構造体の結
合状態の断面図、第６図は従来のカソード構造体
の分解斜視図、第７図は第６図に図示された従来
のカソード構造体の結合状態の断面図である。 Ｇ１……制御グリツド、Ｋ……カソード、Ｉ…
…絶縁ブロツク、Ｉａ……突出部、Ｉｃ……凹入
部、Ｉｄ……開通部、Ｔ……支持片、Ｔａ……延
長部。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ コツプ形に加工された制御グリツドと、熱電
    子を放出する一つ以上のカソードと、前記カソー
    ドを支持固定したまま前記制御グリツドの内側に
    挿入固定される絶縁ブロツクと、前記制御グリツ
    ドからの絶縁ブロツクの離脱を防止する支持片と
    を備える電子銃のカソード構造体において、 前記絶縁ブロツクは長手方向に両側壁上に凹入
    部を備え、前記支持片はその本体全体または一部
    が前記制御グリツドのスカート内側面に接触され
    る前記絶縁ブロツクの側面に形成される凹入部に
    挿入固着されて、前記絶縁ブロツクと共に前記制
    御グリツドに挿入された後、前記制御グリツドの
    スカートに溶接されることを特徴とする電子銃の
    カソード構造体。 ２ 前記支持片は、前記絶縁ブロツクの本体下方
    に延長されて前記制御クリツドのスカートの下部
    側内壁に溶接される延長部を備えてなることを特
    徴とする請求項第１項記載の電子銃のカソード構
    造体。
JP1990068966U 1989-07-13 1990-06-28 Pending JPH0328644U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890010282U KR910005832Y1 (ko) 1989-07-13 1989-07-13 전자총용 음극 구조체

Publications (1)

Publication Number Publication Date
JPH0328644U true JPH0328644U (ja) 1991-03-22

Family

ID=19288239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990068966U Pending JPH0328644U (ja) 1989-07-13 1990-06-28

Country Status (3)

Country Link
US (1) US5117153A (ja)
JP (1) JPH0328644U (ja)
KR (1) KR910005832Y1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5637952A (en) * 1993-04-26 1997-06-10 Nokia Technology Gmbh High-current cathode for picture tubes including a grid 3-electrode having a diaphragm with reduced apertures
US5623183A (en) * 1995-03-22 1997-04-22 Litton Systems, Inc. Diverging beam electron gun for a toxic remediation device with a dome-shaped focusing electrode
FR2810789A1 (fr) * 2000-06-21 2001-12-28 Thomson Tubes & Displays Cathode a rendement thermique optimise

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120753A (en) * 1976-04-05 1977-10-11 Hitachi Ltd Electrode structure for electronic tube

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967963A (en) * 1957-04-30 1961-01-10 Rca Corp Electron gun structure
BE620963A (ja) * 1961-08-16
US3238409A (en) * 1964-03-04 1966-03-01 Rca Corp Electron-guns

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120753A (en) * 1976-04-05 1977-10-11 Hitachi Ltd Electrode structure for electronic tube

Also Published As

Publication number Publication date
KR910003395U (ko) 1991-02-27
US5117153A (en) 1992-05-26
KR910005832Y1 (ko) 1991-08-05

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