FR740011A - Tube électrique luminescent avec électrodes principales facilitant l'allumage - Google Patents

Tube électrique luminescent avec électrodes principales facilitant l'allumage

Info

Publication number
FR740011A
FR740011A FR740011DA FR740011A FR 740011 A FR740011 A FR 740011A FR 740011D A FR740011D A FR 740011DA FR 740011 A FR740011 A FR 740011A
Authority
FR
France
Prior art keywords
main electrodes
electric tube
easy ignition
luminescent electric
luminescent
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
English (en)
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 FR740011A publication Critical patent/FR740011A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/16—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch
    • H05B41/22—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch for lamps having an auxiliary starting electrode
FR740011D 1931-09-08 1932-07-15 Tube électrique luminescent avec électrodes principales facilitant l'allumage Expired FR740011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE740011X 1931-09-08

Publications (1)

Publication Number Publication Date
FR740011A true FR740011A (fr) 1933-01-20

Family

ID=6643182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740011D Expired FR740011A (fr) 1931-09-08 1932-07-15 Tube électrique luminescent avec électrodes principales facilitant l'allumage

Country Status (1)

Country Link
FR (1) FR740011A (fr)

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