CH206539A - Electric incandescent lamp with an operating pressure greater than one atmosphere. - Google Patents

Electric incandescent lamp with an operating pressure greater than one atmosphere.

Info

Publication number
CH206539A
CH206539A CH206539DA CH206539A CH 206539 A CH206539 A CH 206539A CH 206539D A CH206539D A CH 206539DA CH 206539 A CH206539 A CH 206539A
Authority
CH
Switzerland
Prior art keywords
atmosphere
operating pressure
incandescent lamp
pressure greater
electric incandescent
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH206539A publication Critical patent/CH206539A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
CH206539D 1937-06-12 1938-06-10 Electric incandescent lamp with an operating pressure greater than one atmosphere. CH206539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL206539X 1937-06-12

Publications (1)

Publication Number Publication Date
CH206539A true CH206539A (en) 1939-08-15

Family

ID=19778583

Family Applications (1)

Application Number Title Priority Date Filing Date
CH206539D CH206539A (en) 1937-06-12 1938-06-10 Electric incandescent lamp with an operating pressure greater than one atmosphere.

Country Status (5)

Country Link
BE (2) BE428542A (en)
CH (1) CH206539A (en)
DE (2) DE725341C (en)
FR (2) FR839199A (en)
GB (2) GB515704A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112785B (en) * 1955-07-08 1961-08-17 Sylvania Electric Prod High frequency heated incandescent lamp
BR8400807A (en) * 1983-02-25 1984-10-02 Gte Prod Corp ELECTRIC HALOGEN / TUNGSTEN LAMP WITH PERMEATABLE ELEMENT CLOSING THE EXTERNAL HOUSING
RU2485395C1 (en) * 2012-02-22 2013-06-20 Юлия Алексеевна Щепочкина Led lamp bulb

Also Published As

Publication number Publication date
GB515704A (en) 1939-12-12
DE699404C (en) 1940-11-28
BE428543A (en)
FR839200A (en) 1939-03-28
GB518016A (en) 1940-02-15
FR839199A (en) 1939-03-28
DE725341C (en) 1942-09-19
BE428542A (en)

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