FR49589E - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR49589E
FR49589E FR49589DA FR49589E FR 49589 E FR49589 E FR 49589E FR 49589D A FR49589D A FR 49589DA FR 49589 E FR49589 E FR 49589E
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 FR49589E publication Critical patent/FR49589E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
FR49589D 1938-06-21 1938-06-21 Electric discharge tube Expired FR49589E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49589T 1938-06-21

Publications (1)

Publication Number Publication Date
FR49589E true FR49589E (en) 1939-05-11

Family

ID=8684737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49589D Expired FR49589E (en) 1938-06-21 1938-06-21 Electric discharge tube

Country Status (2)

Country Link
BE (1) BE428721A (en)
FR (1) FR49589E (en)

Also Published As

Publication number Publication date
BE428721A (en)

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