FR805002A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR805002A
FR805002A FR805002DA FR805002A FR 805002 A FR805002 A FR 805002A FR 805002D A FR805002D A FR 805002DA FR 805002 A FR805002 A FR 805002A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
discharge
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 FR805002A publication Critical patent/FR805002A/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
FR805002D 1935-04-18 1936-04-17 Electric discharge tube Expired FR805002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL805002X 1935-04-18

Publications (1)

Publication Number Publication Date
FR805002A true FR805002A (en) 1936-11-09

Family

ID=19836561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805002D Expired FR805002A (en) 1935-04-18 1936-04-17 Electric discharge tube

Country Status (1)

Country Link
FR (1) FR805002A (en)

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