FR826612A - Gas-filled incandescent electric lamp - Google Patents

Gas-filled incandescent electric lamp

Info

Publication number
FR826612A
FR826612A FR826612DA FR826612A FR 826612 A FR826612 A FR 826612A FR 826612D A FR826612D A FR 826612DA FR 826612 A FR826612 A FR 826612A
Authority
FR
France
Prior art keywords
gas
electric lamp
incandescent electric
filled incandescent
filled
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Application granted granted Critical
Publication of FR826612A publication Critical patent/FR826612A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/28Envelopes; Vessels
    • H01K1/34Double wall vessels
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/50Selection of substances for gas fillings; Specified pressure thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR826612D 1936-09-12 1937-09-11 Gas-filled incandescent electric lamp Expired FR826612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT153448T 1936-09-12

Publications (1)

Publication Number Publication Date
FR826612A true FR826612A (en) 1938-04-06

Family

ID=3647578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826612D Expired FR826612A (en) 1936-09-12 1937-09-11 Gas-filled incandescent electric lamp

Country Status (4)

Country Link
AT (1) AT153448B (en)
FR (1) FR826612A (en)
GB (1) GB481063A (en)
NL (1) NL49383C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501776A1 (en) * 1985-01-21 1986-07-24 Paul Prof. Dr. 7500 Karlsruhe Schulz Incandescent lamps of high light yield
AU2003219350A1 (en) * 2002-04-12 2003-10-27 Koninklijke Philips Electronics N.V. Lamp having an inner and an outer vessel

Also Published As

Publication number Publication date
NL49383C (en)
GB481063A (en) 1938-03-04
AT153448B (en) 1938-05-25

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