FR852947A - Improvements to starting devices for discharge lamps - Google Patents

Improvements to starting devices for discharge lamps

Info

Publication number
FR852947A
FR852947A FR852947DA FR852947A FR 852947 A FR852947 A FR 852947A FR 852947D A FR852947D A FR 852947DA FR 852947 A FR852947 A FR 852947A
Authority
FR
France
Prior art keywords
discharge lamps
starting devices
starting
devices
lamps
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 FR852947A publication Critical patent/FR852947A/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
    • H05B41/048—Starting switches using electromagnetic relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR852947D 1938-04-12 1939-04-12 Improvements to starting devices for discharge lamps Expired FR852947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US852947XA 1938-04-12 1938-04-12

Publications (1)

Publication Number Publication Date
FR852947A true FR852947A (en) 1940-03-06

Family

ID=22190661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852947D Expired FR852947A (en) 1938-04-12 1939-04-12 Improvements to starting devices for discharge lamps

Country Status (1)

Country Link
FR (1) FR852947A (en)

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