FR1116393A - Improvements to thermionic tubes - Google Patents

Improvements to thermionic tubes

Info

Publication number
FR1116393A
FR1116393A FR1116393DA FR1116393A FR 1116393 A FR1116393 A FR 1116393A FR 1116393D A FR1116393D A FR 1116393DA FR 1116393 A FR1116393 A FR 1116393A
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1116393A publication Critical patent/FR1116393A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
FR1116393D 1953-12-24 1954-12-23 Improvements to thermionic tubes Expired FR1116393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1116393X 1953-12-24

Publications (1)

Publication Number Publication Date
FR1116393A true FR1116393A (en) 1956-05-07

Family

ID=10875242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116393D Expired FR1116393A (en) 1953-12-24 1954-12-23 Improvements to thermionic tubes

Country Status (1)

Country Link
FR (1) FR1116393A (en)

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