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CH267806A - Electric lamp with a fluorescent tube forming an almost closed figure. - Google Patents

Electric lamp with a fluorescent tube forming an almost closed figure.

Info

Publication number
CH267806A
CH267806A CH267806DA CH267806A CH 267806 A CH267806 A CH 267806A CH 267806D A CH267806D A CH 267806DA CH 267806 A CH267806 A CH 267806A
Authority
CH
Switzerland
Prior art keywords
closed
fluorescent tube
electric lamp
tube forming
lamp
Prior art date
Application number
Other languages
German (de)
Inventor
Inc International Gene Company
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of CH267806A publication Critical patent/CH267806A/en

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
CH267806D 1941-10-18 1947-05-24 Electric lamp with a fluorescent tube forming an almost closed figure. CH267806A (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
CH267806A true CH267806A (en) 1950-04-15

Family

ID=23646343

Family Applications (1)

Application Number Title Priority Date Filing Date
CH267806D CH267806A (en) 1941-10-18 1947-05-24 Electric lamp with a fluorescent tube forming an almost closed figure.

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (11)

* 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
US2993191A (en) * 1956-03-28 1961-07-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Base for electric discharge lamp
DE1069292B (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-Gesellschaft für elektrische Glühlampen mbH, 81543 München 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
FR950823A (en) 1949-10-07
BE478359A (en)
US2339166A (en) 1944-01-11
DE948796C (en) 1956-09-06
GB560244A (en) 1944-03-27

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