FR690183A - Coupling system for glow lamps - Google Patents

Coupling system for glow lamps

Info

Publication number
FR690183A
FR690183A FR690183DA FR690183A FR 690183 A FR690183 A FR 690183A FR 690183D A FR690183D A FR 690183DA FR 690183 A FR690183 A FR 690183A
Authority
FR
France
Prior art keywords
coupling system
glow lamps
glow
lamps
coupling
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR690183A publication Critical patent/FR690183A/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
FR690183D 1929-03-02 1930-02-18 Coupling system for glow lamps Expired FR690183A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL690183X 1929-03-02

Publications (1)

Publication Number Publication Date
FR690183A true FR690183A (en) 1930-09-17

Family

ID=19806076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690183D Expired FR690183A (en) 1929-03-02 1930-02-18 Coupling system for glow lamps

Country Status (1)

Country Link
FR (1) FR690183A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132656B (en) * 1961-02-14 1962-07-05 Hans K Finlay Circuit arrangement to favor the ignition process with three or more fluorescent tubes connected in series

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132656B (en) * 1961-02-14 1962-07-05 Hans K Finlay Circuit arrangement to favor the ignition process with three or more fluorescent tubes connected in series

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