FR898093A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR898093A
FR898093A FR898093DA FR898093A FR 898093 A FR898093 A FR 898093A FR 898093D A FR898093D A FR 898093DA FR 898093 A FR898093 A FR 898093A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
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)
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 FR898093A publication Critical patent/FR898093A/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
    • H05B41/22Circuit 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 having an auxiliary starting electrode
FR898093D 1942-09-17 1943-09-15 Electric discharge tube Expired FR898093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL898093X 1942-09-17

Publications (1)

Publication Number Publication Date
FR898093A true FR898093A (en) 1945-04-10

Family

ID=19856262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898093D Expired FR898093A (en) 1942-09-17 1943-09-15 Electric discharge tube

Country Status (1)

Country Link
FR (1) FR898093A (en)

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