FR694638A - Luminescent electric tube with incandescent electrodes emitting electrons - Google Patents

Luminescent electric tube with incandescent electrodes emitting electrons

Info

Publication number
FR694638A
FR694638A FR694638DA FR694638A FR 694638 A FR694638 A FR 694638A FR 694638D A FR694638D A FR 694638DA FR 694638 A FR694638 A FR 694638A
Authority
FR
France
Prior art keywords
emitting electrons
electric tube
electrodes emitting
incandescent electrodes
luminescent 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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR694638A publication Critical patent/FR694638A/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
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
FR694638D 1930-02-18 1930-04-28 Luminescent electric tube with incandescent electrodes emitting electrons Expired FR694638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE360296X 1930-02-18

Publications (1)

Publication Number Publication Date
FR694638A true FR694638A (en) 1930-12-05

Family

ID=6293073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR694638D Expired FR694638A (en) 1930-02-18 1930-04-28 Luminescent electric tube with incandescent electrodes emitting electrons

Country Status (3)

Country Link
US (1) US1984427A (en)
FR (1) FR694638A (en)
GB (1) GB360296A (en)

Also Published As

Publication number Publication date
US1984427A (en) 1934-12-18
GB360296A (en) 1931-11-05

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