FR747940A - Electric discharge lamp - Google Patents

Electric discharge lamp

Info

Publication number
FR747940A
FR747940A FR747940DA FR747940A FR 747940 A FR747940 A FR 747940A FR 747940D A FR747940D A FR 747940DA FR 747940 A FR747940 A FR 747940A
Authority
FR
France
Prior art keywords
discharge lamp
electric discharge
electric
lamp
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.)
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 FR747940A publication Critical patent/FR747940A/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
    • H01J61/56—One or more circuit elements structurally associated with the lamp
FR747940D 1932-02-22 1932-12-22 Electric discharge lamp Expired FR747940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE390787X 1932-02-22

Publications (1)

Publication Number Publication Date
FR747940A true FR747940A (en) 1933-06-26

Family

ID=6376066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747940D Expired FR747940A (en) 1932-02-22 1932-12-22 Electric discharge lamp

Country Status (3)

Country Link
US (1) US2020736A (en)
FR (1) FR747940A (en)
GB (1) GB390787A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491881A (en) * 1944-02-26 1949-12-20 Gen Electric Darkroom lamp
US2774013A (en) * 1949-04-07 1956-12-11 Gen Electric Electric discharge lamp
US2624023A (en) * 1949-10-19 1952-12-30 Gen Electric Lamp unit
US2679020A (en) * 1950-01-21 1954-05-18 Lany Beatrice Pearson De Electrical circuits for arcs with pool-type electrodes
US2673303A (en) * 1950-01-21 1954-03-23 Lany Beatrice Pearson De Electrical arc with pool-type electrodes
US4987342A (en) * 1989-03-27 1991-01-22 Gte Products Corporation Self-ballasted glow discharge lamp having indirectly-heated cathode

Also Published As

Publication number Publication date
US2020736A (en) 1935-11-12
GB390787A (en) 1933-04-13

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