FR950823A - Circular electric lamp - Google Patents

Circular electric lamp

Info

Publication number
FR950823A
FR950823A FR950823DA FR950823A FR 950823 A FR950823 A FR 950823A FR 950823D A FR950823D A FR 950823DA FR 950823 A FR950823 A FR 950823A
Authority
FR
France
Prior art keywords
electric lamp
circular electric
circular
lamp
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
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 FR950823A publication Critical patent/FR950823A/en
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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/44—One or more circuit elements structurally associated with the tube or lamp
FR950823D 1941-10-18 1947-08-02 Circular electric lamp Expired FR950823A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US415594A US2339166A (en) 1941-10-18 1941-10-18 Circular electric lamp

Publications (1)

Publication Number Publication Date
FR950823A true FR950823A (en) 1949-10-07

Family

ID=23646343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950823D Expired FR950823A (en) 1941-10-18 1947-08-02 Circular electric lamp

Country Status (6)

Country Link
US (1) US2339166A (en)
BE (1) BE478359A (en)
CH (1) CH267806A (en)
DE (1) DE948796C (en)
FR (1) FR950823A (en)
GB (1) GB560244A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419965A (en) * 1945-01-26 1947-05-06 Alphonse F Pieper Electric lighting means
US2507074A (en) * 1945-04-23 1950-05-09 Arthur E Wiedenhoeft Lighting fixture for circular fluorescent and incandescent lamps
US2453986A (en) * 1945-05-07 1948-11-16 Gen Electric Circular electric lamp
US2448937A (en) * 1945-07-03 1948-09-07 George L Walter Neon light
DE928188C (en) * 1951-10-13 1955-05-26 Philips Nv Process for the production of a ring-shaped discharge vessel and ring-shaped discharge lamp produced according to this process
US2993191A (en) * 1956-03-28 1961-07-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Base for electric discharge lamp
NL215396A (en) * 1956-06-28
US4316120A (en) * 1979-06-13 1982-02-16 General Electric Company Circular fluorescent lamp unit
GB2222874B (en) * 1988-09-20 1992-11-11 Toshiba Lighting & Technology Tiltable lamp structure
US5173062A (en) * 1990-08-31 1992-12-22 Koito Manufacturing Co., Ltd. Discharge lamp connector assembly
DE29600594U1 (en) * 1996-01-15 1997-05-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Low-pressure discharge lamp with base and associated socket
GB2359659A (en) * 2000-02-28 2001-08-29 William Alan Glasson Separate enclosure fluorescent lighting fitting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE18798E (en) * 1928-03-07 1933-04-18 Discharge tube
US2209052A (en) * 1939-03-13 1940-07-23 Frank H Corlburg Headlight for automobiles
US2227173A (en) * 1940-03-15 1940-12-31 Herbert W Barthels Luminous gas-tube unit

Also Published As

Publication number Publication date
DE948796C (en) 1956-09-06
CH267806A (en) 1950-04-15
US2339166A (en) 1944-01-11
BE478359A (en)
GB560244A (en) 1944-03-27

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