FR1050052A - Electron tube - Google Patents

Electron tube

Info

Publication number
FR1050052A
FR1050052A FR1050052DA FR1050052A FR 1050052 A FR1050052 A FR 1050052A FR 1050052D A FR1050052D A FR 1050052DA FR 1050052 A FR1050052 A FR 1050052A
Authority
FR
France
Prior art keywords
electron tube
electron
tube
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1050052A publication Critical patent/FR1050052A/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
    • 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
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments
FR1050052D 1951-02-02 1952-01-31 Electron tube Expired FR1050052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1050052X 1951-02-02

Publications (1)

Publication Number Publication Date
FR1050052A true FR1050052A (en) 1954-01-05

Family

ID=19867843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050052D Expired FR1050052A (en) 1951-02-02 1952-01-31 Electron tube

Country Status (1)

Country Link
FR (1) FR1050052A (en)

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