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FR700597A - Improvements to thermionic tubes - Google Patents

Improvements to thermionic tubes

Info

Publication number
FR700597A
FR700597A FR700597DA FR700597A FR 700597 A FR700597 A FR 700597A FR 700597D A FR700597D A FR 700597DA FR 700597 A FR700597 A FR 700597A
Authority
FR
France
Prior art keywords
thermionic tubes
thermionic
tubes
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR700597A publication Critical patent/FR700597A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/32—Anodes
    • H01J19/34—Anodes forming part of the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
    • H01J2893/0003—Anodes forming part of vessel walls
FR700597D 1929-08-16 1930-08-13 Improvements to thermionic tubes Expired FR700597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB700597X 1929-08-16

Publications (1)

Publication Number Publication Date
FR700597A true FR700597A (en) 1931-03-04

Family

ID=10493714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700597D Expired FR700597A (en) 1929-08-16 1930-08-13 Improvements to thermionic tubes

Country Status (1)

Country Link
FR (1) FR700597A (en)

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