FR792375A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR792375A
FR792375A FR792375DA FR792375A FR 792375 A FR792375 A FR 792375A FR 792375D A FR792375D A FR 792375DA FR 792375 A FR792375 A FR 792375A
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 FR792375A publication Critical patent/FR792375A/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
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • 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
    • H01J2893/002—Chemical composition and manufacture chemical
FR792375D 1934-07-31 1935-07-12 Electric discharge tube Expired FR792375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL792375X 1934-07-31

Publications (1)

Publication Number Publication Date
FR792375A true FR792375A (en) 1935-12-30

Family

ID=19834442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792375D Expired FR792375A (en) 1934-07-31 1935-07-12 Electric discharge tube

Country Status (1)

Country Link
FR (1) FR792375A (en)

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