FR829037A - Incandescent electric lamp with illuminating body made of metals or metal compounds with a high melting point - Google Patents

Incandescent electric lamp with illuminating body made of metals or metal compounds with a high melting point

Info

Publication number
FR829037A
FR829037A FR829037DA FR829037A FR 829037 A FR829037 A FR 829037A FR 829037D A FR829037D A FR 829037DA FR 829037 A FR829037 A FR 829037A
Authority
FR
France
Prior art keywords
metals
melting point
high melting
metal compounds
body made
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR829037A publication Critical patent/FR829037A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/62—One or more circuit elements structurally associated with the lamp
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
FR829037D 1936-11-13 1937-11-12 Incandescent electric lamp with illuminating body made of metals or metal compounds with a high melting point Expired FR829037A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3253D DE873290C (en) 1936-11-13 1936-11-13 Electric incandescent lamp with light body made of refractory metals or metal compounds
GB32274/36A GB485476A (en) 1936-11-13 1936-11-25 Improvements in and relating to electric incandescent lamps

Publications (1)

Publication Number Publication Date
FR829037A true FR829037A (en) 1938-06-03

Family

ID=25989704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR829037D Expired FR829037A (en) 1936-11-13 1937-11-12 Incandescent electric lamp with illuminating body made of metals or metal compounds with a high melting point

Country Status (4)

Country Link
US (1) US2208998A (en)
DE (1) DE873290C (en)
FR (1) FR829037A (en)
GB (1) GB485476A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741863C (en) * 1941-06-07 1943-11-18 Eduard Messerschmidt Mixed light lamp

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433404A (en) * 1942-02-25 1947-12-30 Raytheon Mfg Co Light generating device
US2660692A (en) * 1950-03-30 1953-11-24 Gen Electric High-pressure discharge lamp
US2841733A (en) * 1953-04-29 1958-07-01 Gen Electric Electric discharge lamp
DE1112785B (en) * 1955-07-08 1961-08-17 Sylvania Electric Prod High frequency heated incandescent lamp
US2880369A (en) * 1957-07-10 1959-03-31 Engelhard Ind Inc High pressure vapor arc lamp
US3851207A (en) * 1972-08-01 1974-11-26 Gen Electric Stabilized high intensity sodium vapor lamp
DE2659609A1 (en) * 1976-12-30 1978-07-20 Patra Patent Treuhand ELECTRIC LIGHT BULB
JPS5586063A (en) * 1978-12-22 1980-06-28 Mitsubishi Electric Corp Discharge lamp
NL7902573A (en) * 1979-04-03 1980-10-07 Philips Nv MIXING LIGHT.
US4367433A (en) * 1980-08-25 1983-01-04 Edison International, Inc. Self ballasted lamp for automotive, aircraft runway, etc. lighting
US4751432A (en) * 1985-04-03 1988-06-14 U.S. Philips Corporation High-pressure discharge lamp
DE102004014211A1 (en) * 2004-03-23 2005-10-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Incandescent lamp with carbide-containing filament

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741863C (en) * 1941-06-07 1943-11-18 Eduard Messerschmidt Mixed light lamp

Also Published As

Publication number Publication date
GB485476A (en) 1938-05-20
DE873290C (en) 1953-04-13
US2208998A (en) 1940-07-23

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