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FR826401A - Lighting or irradiation device comprising a metal vapor discharge tube under high pressure - Google Patents

Lighting or irradiation device comprising a metal vapor discharge tube under high pressure

Info

Publication number
FR826401A
FR826401A FR826401DA FR826401A FR 826401 A FR826401 A FR 826401A FR 826401D A FR826401D A FR 826401DA FR 826401 A FR826401 A FR 826401A
Authority
FR
France
Prior art keywords
lighting
high pressure
under high
discharge tube
irradiation device
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 FR826401A publication Critical patent/FR826401A/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
FR826401D 1936-09-07 1937-09-06 Lighting or irradiation device comprising a metal vapor discharge tube under high pressure Expired FR826401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE423453X 1936-09-07

Publications (1)

Publication Number Publication Date
FR826401A true FR826401A (en) 1938-03-31

Family

ID=41131821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826401D Expired FR826401A (en) 1936-09-07 1937-09-06 Lighting or irradiation device comprising a metal vapor discharge tube under high pressure

Country Status (5)

Country Link
AT (1) AT154333B (en)
BE (1) BE423453A (en)
CH (1) CH198538A (en)
FR (1) FR826401A (en)
GB (1) GB487469A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL206982A (en) * 1955-05-11

Also Published As

Publication number Publication date
GB487469A (en) 1938-06-21
AT154333B (en) 1938-09-26
CH198538A (en) 1938-06-30
BE423453A (en) 1937-10-30

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