FR991900A - Ballast for discharge tubes - Google Patents

Ballast for discharge tubes

Info

Publication number
FR991900A
FR991900A FR991900DA FR991900A FR 991900 A FR991900 A FR 991900A FR 991900D A FR991900D A FR 991900DA FR 991900 A FR991900 A FR 991900A
Authority
FR
France
Prior art keywords
ballast
discharge tubes
tubes
discharge
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)
Inventor
Jean-Baptiste-Joseph Abadie
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 filed Critical
Application granted granted Critical
Publication of FR991900A publication Critical patent/FR991900A/en
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
    • H05B41/2325Circuit 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 provided with pre-heating electrodes
FR991900D 1949-05-24 1949-05-24 Ballast for discharge tubes Expired FR991900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR991900T 1949-05-24

Publications (1)

Publication Number Publication Date
FR991900A true FR991900A (en) 1951-10-11

Family

ID=9554376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991900D Expired FR991900A (en) 1949-05-24 1949-05-24 Ballast for discharge tubes

Country Status (1)

Country Link
FR (1) FR991900A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009306B (en) * 1951-09-01 1957-05-29 Philips Nv Arrangement with two gas and / or vapor discharge tubes connected in series with one another and with an inductive impedance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009306B (en) * 1951-09-01 1957-05-29 Philips Nv Arrangement with two gas and / or vapor discharge tubes connected in series with one another and with an inductive impedance

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