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FR975184A - Perfectionnements aux lampes électriques tubulaires - Google Patents

Perfectionnements aux lampes électriques tubulaires

Info

Publication number
FR975184A
FR975184A FR975184DA FR975184A FR 975184 A FR975184 A FR 975184A FR 975184D A FR975184D A FR 975184DA FR 975184 A FR975184 A FR 975184A
Authority
FR
France
Prior art keywords
electric lamps
tubular electric
tubular
lamps
electric
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
English (en)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR975184A publication Critical patent/FR975184A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/32—Special longitudinal shape, e.g. for advertising purposes
    • H01J61/327—"Compact"-lamps, i.e. lamps having a folded discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/02—Single-pole devices, e.g. holder for supporting one end of a tubular incandescent or neon lamp
FR975184D 1947-11-25 1948-11-17 Perfectionnements aux lampes électriques tubulaires Expired FR975184A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US787949A US2473878A (en) 1947-11-25 1947-11-25 Electric lamp of double spiral convolution

Publications (1)

Publication Number Publication Date
FR975184A true FR975184A (fr) 1951-03-02

Family

ID=10309120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975184D Expired FR975184A (fr) 1947-11-25 1948-11-17 Perfectionnements aux lampes électriques tubulaires

Country Status (3)

Country Link
US (1) US2473878A (fr)
FR (1) FR975184A (fr)
GB (1) GB689452A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073861A (en) * 1959-08-13 1963-01-15 Du Pont Ureido-substituted arylsulfur pentafluorides
EP0057974B1 (fr) * 1981-01-27 1985-01-30 THORN EMI plc Lampe de décharge
FR2507011A1 (fr) * 1981-05-26 1982-12-03 Desplat Raymond Lampe a decharge du type tube a cathode froide courbe selon deux nappes
US4833574A (en) * 1988-03-11 1989-05-23 Galagher P Christopher J Annular fluorescent lamp
JP4723802B2 (ja) * 2003-09-02 2011-07-13 パナソニック株式会社 発光管、低圧水銀ランプ、照明装置、冶具及び発光管の製造方法
JP4361845B2 (ja) * 2004-08-02 2009-11-11 パナソニック株式会社 発光管及び低圧水銀放電ランプ
JP4451836B2 (ja) * 2005-11-07 2010-04-14 パナソニック株式会社 蛍光体塗布方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US702314A (en) * 1901-12-18 1902-06-10 Daniel Mcfarlan Moore Electric-tube lighting.
GB268046A (en) * 1925-12-28 1927-03-28 Eugene Victor Hayes Gratze Improvements in fog penetrating lamps or lights for illuminating or signalling purposes
US1870147A (en) * 1931-04-02 1932-08-02 Emanuel C Smally Illuminating device
US1926552A (en) * 1932-04-14 1933-09-12 Morgan Hans Otto Tubular structure and method of manufacture thereof
US2117756A (en) * 1936-03-02 1938-05-17 Kingston Products Corp Electric lighting device
GB513715A (en) * 1938-05-12 1939-10-19 Gen Electric Co Ltd Improvements in electric discharge lamps
US2267318A (en) * 1939-03-21 1941-12-23 Gen Electric Electrode and terminal structure for electric discharge devices
US2392661A (en) * 1944-08-10 1946-01-08 Gen Electric Base for electric lamps or similar devices

Also Published As

Publication number Publication date
GB689452A (en) 1953-03-25
US2473878A (en) 1949-06-21

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