FR1132858A - Device fitted with a gas or vapor discharge tube - Google Patents

Device fitted with a gas or vapor discharge tube

Info

Publication number
FR1132858A
FR1132858A FR1132858DA FR1132858A FR 1132858 A FR1132858 A FR 1132858A FR 1132858D A FR1132858D A FR 1132858DA FR 1132858 A FR1132858 A FR 1132858A
Authority
FR
France
Prior art keywords
gas
discharge tube
vapor discharge
device fitted
fitted
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 FR1132858A publication Critical patent/FR1132858A/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
    • H05B41/2325—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 provided with pre-heating electrodes
FR1132858D 1954-04-01 1955-03-30 Device fitted with a gas or vapor discharge tube Expired FR1132858A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1132858X 1954-04-01

Publications (1)

Publication Number Publication Date
FR1132858A true FR1132858A (en) 1957-03-18

Family

ID=19869946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1132858D Expired FR1132858A (en) 1954-04-01 1955-03-30 Device fitted with a gas or vapor discharge tube

Country Status (1)

Country Link
FR (1) FR1132858A (en)

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