FR1025261A - Improvements to polyphase circuits for starting and operating fluorescent lamps - Google Patents

Improvements to polyphase circuits for starting and operating fluorescent lamps

Info

Publication number
FR1025261A
FR1025261A FR1025261DA FR1025261A FR 1025261 A FR1025261 A FR 1025261A FR 1025261D A FR1025261D A FR 1025261DA FR 1025261 A FR1025261 A FR 1025261A
Authority
FR
France
Prior art keywords
starting
fluorescent lamps
polyphase circuits
operating fluorescent
operating
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 FR1025261A publication Critical patent/FR1025261A/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
    • H05B41/14—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
    • H05B41/23—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 not having an auxiliary starting electrode
    • H05B41/232—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 not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/234—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 not having an auxiliary starting electrode for low-pressure lamps to eliminate stroboscopic effects, e.g. feeding two lamps with different phases
FR1025261D 1949-10-13 1950-09-28 Improvements to polyphase circuits for starting and operating fluorescent lamps Expired FR1025261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1025261XA 1949-10-13 1949-10-13

Publications (1)

Publication Number Publication Date
FR1025261A true FR1025261A (en) 1953-04-13

Family

ID=22290323

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1025261D Expired FR1025261A (en) 1949-10-13 1950-09-28 Improvements to polyphase circuits for starting and operating fluorescent lamps

Country Status (1)

Country Link
FR (1) FR1025261A (en)

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