JPH0392346U - - Google Patents

Info

Publication number
JPH0392346U
JPH0392346U JP15209389U JP15209389U JPH0392346U JP H0392346 U JPH0392346 U JP H0392346U JP 15209389 U JP15209389 U JP 15209389U JP 15209389 U JP15209389 U JP 15209389U JP H0392346 U JPH0392346 U JP H0392346U
Authority
JP
Japan
Prior art keywords
directly heated
filament
heated cathode
coiled filament
cathode
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
JP15209389U
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 JP15209389U priority Critical patent/JPH0392346U/ja
Publication of JPH0392346U publication Critical patent/JPH0392346U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る直熱型陰極の
縦断面図、第2図は同実施例の要部拡大断面図、
第3図は同実施例の直熱型陰極に制御電極を取付
けた状態を示す断面図、第4図は本考案の他の実
施例に係る直熱型陰極の縦断面図、第5図は同実
施例の直熱型陰極の横断面図、第6図は従来の直
熱型陰極の斜視図、第7図は従来の直熱型陰極の
断面図である。 1……絶縁支持体、2……陰極リード、4……
フイラメント、5……電子放射性物質、6,11
……支持体(支持手段)。

Claims (1)

  1. 【実用新案登録請求の範囲】 絶縁支持体に挿着した一対の陰極リードの先端
    間にコイル状フイラメントを張設し、該フイラメ
    ントに電子放射性物質を塗着してなる直熱型陰極
    において、 上記コイル状フイラメントにこれを支持する支
    持手段を具備させたことを特徴とする直熱型陰極
JP15209389U 1989-12-29 1989-12-29 Pending JPH0392346U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15209389U JPH0392346U (ja) 1989-12-29 1989-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15209389U JPH0392346U (ja) 1989-12-29 1989-12-29

Publications (1)

Publication Number Publication Date
JPH0392346U true JPH0392346U (ja) 1991-09-19

Family

ID=31698369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15209389U Pending JPH0392346U (ja) 1989-12-29 1989-12-29

Country Status (1)

Country Link
JP (1) JPH0392346U (ja)

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