JPS62178443U - - Google Patents

Info

Publication number
JPS62178443U
JPS62178443U JP6652486U JP6652486U JPS62178443U JP S62178443 U JPS62178443 U JP S62178443U JP 6652486 U JP6652486 U JP 6652486U JP 6652486 U JP6652486 U JP 6652486U JP S62178443 U JPS62178443 U JP S62178443U
Authority
JP
Japan
Prior art keywords
cathode
display tube
fluorescent display
phosphor
filament
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
JP6652486U
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
Priority to JP6652486U priority Critical patent/JPS62178443U/ja
Publication of JPS62178443U publication Critical patent/JPS62178443U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Description

【図面の簡単な説明】
第1図は、本考案の蛍光表示管に使用する補助
陰極の一実施例を示した図、第2図aは本考案の
蛍光表示管を示した要部拡大図、第2図b、第3
図および第4図は、本考案の蛍光表示管の陰極の
配置位置を示した模式図、第5図は、従来の蛍光
表示管の一例を示した側断面図、第6図a〜cは
、従来の蛍光表示管の陰極の配設位置を示した模
式図である。 7,7c……陰極、7d……補助陰極、8,8
c,8d……支持体、13……保持体、21……
補助陰極、22……支持体。

Claims (1)

  1. 【実用新案登録請求の範囲】 フイラメント状の陰極から放出された電子を制
    御電極によつて加速制御し、蛍光体に選択的に射
    突させて所望の発光表示を行う蛍光表示管におい
    て、 前記陰極の張架端部近傍に、前記陰極とは別体
    でかつ螺旋状に巻回もしくは波状に曲折された補
    助陰極を配設したことを特徴とする蛍光表示管。
JP6652486U 1986-04-30 1986-04-30 Pending JPS62178443U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6652486U JPS62178443U (ja) 1986-04-30 1986-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6652486U JPS62178443U (ja) 1986-04-30 1986-04-30

Publications (1)

Publication Number Publication Date
JPS62178443U true JPS62178443U (ja) 1987-11-12

Family

ID=30904608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6652486U Pending JPS62178443U (ja) 1986-04-30 1986-04-30

Country Status (1)

Country Link
JP (1) JPS62178443U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025462B2 (ja) * 1971-08-21 1975-08-23
JPS5537717A (en) * 1978-09-08 1980-03-15 Hitachi Ltd Direct heating cathode construction and its manufacturing method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025462B2 (ja) * 1971-08-21 1975-08-23
JPS5537717A (en) * 1978-09-08 1980-03-15 Hitachi Ltd Direct heating cathode construction and its manufacturing method

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