FR944029A - Lampes électriques circulaires - Google Patents

Lampes électriques circulaires

Info

Publication number
FR944029A
FR944029A FR944029DA FR944029A FR 944029 A FR944029 A FR 944029A FR 944029D A FR944029D A FR 944029DA FR 944029 A FR944029 A FR 944029A
Authority
FR
France
Prior art keywords
electric lamps
circular electric
circular
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)
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.)
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 FR944029A publication Critical patent/FR944029A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/56—Shape of the separate part
    • H01J5/565—Bases for circular lamps
FR944029D 1945-05-07 1947-03-28 Lampes électriques circulaires Expired FR944029A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US592478A US2453986A (en) 1945-05-07 1945-05-07 Circular electric lamp

Publications (1)

Publication Number Publication Date
FR944029A true FR944029A (fr) 1949-03-24

Family

ID=24370808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944029D Expired FR944029A (fr) 1945-05-07 1947-03-28 Lampes électriques circulaires

Country Status (4)

Country Link
US (1) US2453986A (de)
CH (1) CH260736A (de)
FR (1) FR944029A (de)
GB (1) GB655662A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391560A1 (fr) * 1977-05-20 1978-12-15 Gte Sylvania Inc Culot pour lampe a incandescence de puissance elevee

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE488439A (de) * 1948-04-19
US2716739A (en) * 1953-09-15 1955-08-30 Gen Electric Lamp base and holders for double ended electric-discharge lamps
US3020393A (en) * 1953-12-31 1962-02-06 Aeg Base and socket for fluorescent lamps
DE1014231B (de) * 1953-12-31 1957-08-22 Aeg Anordnung fuer Leuchtstofflampen
DE1027793B (de) * 1956-06-02 1958-04-10 Berliner Gluehlampen Werk Veb Fassung fuer Leuchtstofflampen
NL215396A (de) * 1956-06-28
US3274420A (en) * 1961-09-27 1966-09-20 Tokyo Shibaura Electric Co Annular fluorescent lamps
DE7218982U (de) * 1972-05-19 1973-03-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Sockel für ringförmige Leuchtstofflampen
US3898495A (en) * 1974-04-05 1975-08-05 Westinghouse Electric Corp Circular fluorescent lamp with two-piece snap-lock base
US4278911A (en) * 1979-06-13 1981-07-14 General Electric Company Circular fluorescent lamp unit
DE29600594U1 (de) * 1996-01-15 1997-05-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Einseitig gesockelte Niederdruckentladungslampe und zugehörige Fassung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836024A (en) * 1929-12-17 1931-12-15 Harase Hanzaburo Gas and vacuum tube electrode
DE653419C (de) * 1934-08-11 1937-11-23 Patra Patent Treuhand Stromdurchfuehrung fuer einwandige elektrische Entladungslampen, insbesondere elektrische Leuchtroehren
US2119675A (en) * 1936-01-31 1938-06-07 Westinghouse Electric & Mfg Co Sodium lamp
US2114175A (en) * 1937-03-13 1938-04-12 Gen Electric Electric lamp or similar device
NL53701C (de) * 1937-04-30
NL51191C (de) * 1937-07-28
US2267318A (en) * 1939-03-21 1941-12-23 Gen Electric Electrode and terminal structure for electric discharge devices
US2295043A (en) * 1939-06-28 1942-09-08 Gen Electric Electric discharge lamp
US2366252A (en) * 1941-10-18 1945-01-02 Gen Electric Circular electric lamp
BE478359A (de) * 1941-10-18
US2392785A (en) * 1945-03-28 1946-01-08 Sylvania Electric Prod Lamp base

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391560A1 (fr) * 1977-05-20 1978-12-15 Gte Sylvania Inc Culot pour lampe a incandescence de puissance elevee

Also Published As

Publication number Publication date
GB655662A (en) 1951-08-01
CH260736A (de) 1949-03-31
US2453986A (en) 1948-11-16

Similar Documents

Publication Publication Date Title
FR919946A (fr) Isolant
FR944029A (fr) Lampes électriques circulaires
FR922967A (fr) Lampes électriques à décharge
DK73424C (da) Anlæg med en elektrisk udladningslampe.
FR950760A (fr) Filtres électriques
AT170767B (de) Elektromotor
FR919148A (fr) Aérogare
DK67600C (da) Elektrisk lygte.
FR932170A (fr) Lampes thermioniques
ES11581Y (es) Nueva linterna eléctrica
FR57551E (fr) Pulsomètre électrique
FR909368A (fr) Lampe-aquarium
FR916999A (fr) Rectoscope perfectionné
FR938849A (fr) Chalumeau électrique
FR914551A (fr) Avancon
FI24086A (fi) Trädgårdsredskap
FI23328A (fi) Koppling
FI22523A (fi) Värmeutväxlare
ES11428Y (es) Linterna eléctrica.
CA426355A (en) Circular electric lamp
FR923797A (fr) Réflecteur
FR922652A (fr) Douille de lampe
ES170350A3 (es) Procedimiento de fabricación de lámparas de efluvios
ES11284Y (es) Linterna eléctrica de señales
FI22837A (fi) Sähkökattilan alusta