FR846271A - Metal vapor electric discharge lamp with a certain amount of vaporizable metal - Google Patents

Metal vapor electric discharge lamp with a certain amount of vaporizable metal

Info

Publication number
FR846271A
FR846271A FR846271DA FR846271A FR 846271 A FR846271 A FR 846271A FR 846271D A FR846271D A FR 846271DA FR 846271 A FR846271 A FR 846271A
Authority
FR
France
Prior art keywords
metal
certain amount
discharge lamp
electric discharge
vaporizable
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 FR846271A publication Critical patent/FR846271A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
FR846271D 1938-11-19 1938-11-19 Metal vapor electric discharge lamp with a certain amount of vaporizable metal Expired FR846271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR846271T 1938-11-19

Publications (1)

Publication Number Publication Date
FR846271A true FR846271A (en) 1939-09-13

Family

ID=9313215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846271D Expired FR846271A (en) 1938-11-19 1938-11-19 Metal vapor electric discharge lamp with a certain amount of vaporizable metal

Country Status (3)

Country Link
BE (1) BE431177A (en)
CH (1) CH208440A (en)
FR (1) FR846271A (en)

Also Published As

Publication number Publication date
CH208440A (en) 1940-01-31
BE431177A (en)

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