FR918224A - Improvements to discharge tube equipment - Google Patents

Improvements to discharge tube equipment

Info

Publication number
FR918224A
FR918224A FR918224DA FR918224A FR 918224 A FR918224 A FR 918224A FR 918224D A FR918224D A FR 918224DA FR 918224 A FR918224 A FR 918224A
Authority
FR
France
Prior art keywords
discharge tube
tube equipment
equipment
discharge
tube
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 FR918224A publication Critical patent/FR918224A/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
FR918224D 1945-07-31 1945-07-31 Improvements to discharge tube equipment Expired FR918224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR918224T 1945-07-31

Publications (1)

Publication Number Publication Date
FR918224A true FR918224A (en) 1947-02-03

Family

ID=9424268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR918224D Expired FR918224A (en) 1945-07-31 1945-07-31 Improvements to discharge tube equipment

Country Status (1)

Country Link
FR (1) FR918224A (en)

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