FR849817A - Lampe électrique à lumière mixte - Google Patents

Lampe électrique à lumière mixte

Info

Publication number
FR849817A
FR849817A FR849817DA FR849817A FR 849817 A FR849817 A FR 849817A FR 849817D A FR849817D A FR 849817DA FR 849817 A FR849817 A FR 849817A
Authority
FR
France
Prior art keywords
mixed light
electric lamp
light electric
lamp
mixed
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 FR849817A publication Critical patent/FR849817A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/16Circuit 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
    • H05B41/20Circuit 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
    • H05B41/23Circuit 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 not having an auxiliary starting electrode
    • H05B41/232Circuit 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 not having an auxiliary starting electrode for low-pressure lamps
FR849817D 1938-02-04 1939-02-03 Lampe électrique à lumière mixte Expired FR849817A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE849817X 1938-02-04

Publications (1)

Publication Number Publication Date
FR849817A true FR849817A (fr) 1939-12-02

Family

ID=6775960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849817D Expired FR849817A (fr) 1938-02-04 1939-02-03 Lampe électrique à lumière mixte

Country Status (1)

Country Link
FR (1) FR849817A (fr)

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