FR57230E - Improvement in electric discharge lamp circuits - Google Patents

Improvement in electric discharge lamp circuits

Info

Publication number
FR57230E
FR57230E FR57230DA FR57230E FR 57230 E FR57230 E FR 57230E FR 57230D A FR57230D A FR 57230DA FR 57230 E FR57230 E FR 57230E
Authority
FR
France
Prior art keywords
improvement
discharge lamp
electric discharge
lamp circuits
circuits
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR57230E publication Critical patent/FR57230E/en
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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/10—Starting switches magnetic only
FR57230D 1947-07-24 1947-07-24 Improvement in electric discharge lamp circuits Expired FR57230E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR57230T 1947-07-24

Publications (1)

Publication Number Publication Date
FR57230E true FR57230E (en) 1952-12-23

Family

ID=8691309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR57230D Expired FR57230E (en) 1947-07-24 1947-07-24 Improvement in electric discharge lamp circuits

Country Status (1)

Country Link
FR (1) FR57230E (en)

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