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FR828966A - High pressure mercury vapor atmosphere discharge lamps - Google Patents

High pressure mercury vapor atmosphere discharge lamps

Info

Publication number
FR828966A
FR828966A FR828966DA FR828966A FR 828966 A FR828966 A FR 828966A FR 828966D A FR828966D A FR 828966DA FR 828966 A FR828966 A FR 828966A
Authority
FR
France
Prior art keywords
high pressure
pressure mercury
discharge lamps
mercury vapor
vapor atmosphere
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 FR828966A publication Critical patent/FR828966A/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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/822—High-pressure mercury lamps
FR828966D 1936-11-10 1937-11-10 High pressure mercury vapor atmosphere discharge lamps Expired FR828966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE485274X 1936-11-10

Publications (1)

Publication Number Publication Date
FR828966A true FR828966A (en) 1938-06-07

Family

ID=6543262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828966D Expired FR828966A (en) 1936-11-10 1937-11-10 High pressure mercury vapor atmosphere discharge lamps

Country Status (4)

Country Link
US (1) US2135702A (en)
BE (1) BE424532A (en)
FR (1) FR828966A (en)
GB (1) GB485274A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR983744A (en) * 1948-03-27 1951-06-27 Lampes Sa High pressure mercury vapor lamp
JPS54120973A (en) * 1978-03-10 1979-09-19 Mitsubishi Electric Corp Lighting apparatus

Also Published As

Publication number Publication date
GB485274A (en) 1938-05-17
BE424532A (en)
US2135702A (en) 1938-11-08

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