FR823094A - Luminescent bulb for incandescent electric lamps - Google Patents

Luminescent bulb for incandescent electric lamps

Info

Publication number
FR823094A
FR823094A FR823094DA FR823094A FR 823094 A FR823094 A FR 823094A FR 823094D A FR823094D A FR 823094DA FR 823094 A FR823094 A FR 823094A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
luminescent bulb
luminescent
bulb
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)
Inventor
Henri Desmarest
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 filed Critical
Application granted granted Critical
Publication of FR823094A publication Critical patent/FR823094A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • 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
FR823094D 1936-09-24 1936-09-24 Luminescent bulb for incandescent electric lamps Expired FR823094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR823094T 1936-09-24

Publications (1)

Publication Number Publication Date
FR823094A true FR823094A (en) 1938-01-13

Family

ID=9281211

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823094D Expired FR823094A (en) 1936-09-24 1936-09-24 Luminescent bulb for incandescent electric lamps

Country Status (1)

Country Link
FR (1) FR823094A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541823A1 (en) * 1983-02-25 1984-08-31 Gte Prod Corp HALOGEN TUNGSTEN LAMP WITH EXTERNAL BULB CLOSED BY PERMEABLE MEANS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541823A1 (en) * 1983-02-25 1984-08-31 Gte Prod Corp HALOGEN TUNGSTEN LAMP WITH EXTERNAL BULB CLOSED BY PERMEABLE MEANS

Similar Documents

Publication Publication Date Title
FR46256E (en) Incandescent lamps
FR764293A (en) Incandescent lamp
FR807340A (en) Incandescent lamp improvements
FR826363A (en) Improvements to incandescent reflector lamps
FR51282E (en) Incandescent electrode for electric discharge tubes
FR780751A (en) Incandescent lamp improvements
FR825088A (en) Incandescent lamp improvements
FR823094A (en) Luminescent bulb for incandescent electric lamps
FR827499A (en) Incandescent lamp improvements
FR772763A (en) Incandescent lamps
FR887635A (en) Improvements made to bulbs for incandescent electric lamps or discharge tubes
FR840688A (en) Base for incandescent electric lamps
FR761778A (en) Bulb for incandescent electric lamps
FR731324A (en) Reflector for incandescent electric lamps
FR805737A (en) Tubular incandescent lamp
FR830241A (en) Improvements to incandescent electric lamps
FR801118A (en) Improvements to incandescent electric lamps
FR827520A (en) Electric lamp with luminescent bulb
FR763732A (en) Improvements to incandescent electric lamps or discharge tubes
FR825142A (en) Electric discharge tubes or incandescent lamps
FR795176A (en) Incandescent electric lamps or electric discharge tube
FR794530A (en) Frame for incandescent electric lamps
FR785139A (en) Improvements to incandescent electric lamps
FR809975A (en) Double spiral luminous body for incandescent electric lamps
FR781184A (en) Incandescent electric lamps