FR841921A - Manufacturing process of electric discharge tubes - Google Patents

Manufacturing process of electric discharge tubes

Info

Publication number
FR841921A
FR841921A FR841921DA FR841921A FR 841921 A FR841921 A FR 841921A FR 841921D A FR841921D A FR 841921DA FR 841921 A FR841921 A FR 841921A
Authority
FR
France
Prior art keywords
manufacturing process
electric discharge
discharge tubes
tubes
electric
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 FR841921A publication Critical patent/FR841921A/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
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • 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
FR841921D 1937-08-09 1938-08-09 Manufacturing process of electric discharge tubes Expired FR841921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL841921X 1937-08-09

Publications (1)

Publication Number Publication Date
FR841921A true FR841921A (en) 1939-06-01

Family

ID=19845029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841921D Expired FR841921A (en) 1937-08-09 1938-08-09 Manufacturing process of electric discharge tubes

Country Status (1)

Country Link
FR (1) FR841921A (en)

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