FR827520A - Electric lamp with luminescent bulb - Google Patents

Electric lamp with luminescent bulb

Info

Publication number
FR827520A
FR827520A FR827520DA FR827520A FR 827520 A FR827520 A FR 827520A FR 827520D A FR827520D A FR 827520DA FR 827520 A FR827520 A FR 827520A
Authority
FR
France
Prior art keywords
electric lamp
luminescent bulb
luminescent
bulb
lamp
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 FR827520A publication Critical patent/FR827520A/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
FR827520D 1937-01-12 1937-01-12 Electric lamp with luminescent bulb Expired FR827520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR827520T 1937-01-12

Publications (1)

Publication Number Publication Date
FR827520A true FR827520A (en) 1938-04-28

Family

ID=9283358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR827520D Expired FR827520A (en) 1937-01-12 1937-01-12 Electric lamp with luminescent bulb

Country Status (1)

Country Link
FR (1) FR827520A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278001B (en) * 1963-04-22 1968-09-19 Gen Electric Halogen lamp
DE3236529A1 (en) * 1982-10-02 1984-04-05 CEAG Licht- und Stromversorgungstechnik GmbH, 6800 Mannheim Light source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278001B (en) * 1963-04-22 1968-09-19 Gen Electric Halogen lamp
DE3236529A1 (en) * 1982-10-02 1984-04-05 CEAG Licht- und Stromversorgungstechnik GmbH, 6800 Mannheim Light source

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