FR762802A - Mercury vapor tubes - Google Patents

Mercury vapor tubes

Info

Publication number
FR762802A
FR762802A FR762802DA FR762802A FR 762802 A FR762802 A FR 762802A FR 762802D A FR762802D A FR 762802DA FR 762802 A FR762802 A FR 762802A
Authority
FR
France
Prior art keywords
mercury vapor
vapor tubes
tubes
mercury
vapor
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR762802A publication Critical patent/FR762802A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
FR762802D 1932-10-15 1933-10-14 Mercury vapor tubes Expired FR762802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637976A US2043839A (en) 1932-10-15 1932-10-15 Vapor electric device

Publications (1)

Publication Number Publication Date
FR762802A true FR762802A (en) 1934-04-19

Family

ID=24558138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR762802D Expired FR762802A (en) 1932-10-15 1933-10-14 Mercury vapor tubes

Country Status (4)

Country Link
US (1) US2043839A (en)
DE (1) DE640073C (en)
FR (1) FR762802A (en)
GB (1) GB411355A (en)

Also Published As

Publication number Publication date
US2043839A (en) 1936-06-09
GB411355A (en) 1934-06-07
DE640073C (en) 1936-12-22

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