GB560244A - Improvements in electric discharge lamps - Google Patents

Improvements in electric discharge lamps

Info

Publication number
GB560244A
GB560244A GB14531/42A GB1453142A GB560244A GB 560244 A GB560244 A GB 560244A GB 14531/42 A GB14531/42 A GB 14531/42A GB 1453142 A GB1453142 A GB 1453142A GB 560244 A GB560244 A GB 560244A
Authority
GB
United Kingdom
Prior art keywords
cap
lamp
halves
oct
contact terminals
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
GB14531/42A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB560244A publication Critical patent/GB560244A/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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
GB14531/42A 1941-10-18 1942-10-16 Improvements in electric discharge lamps Expired GB560244A (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
GB560244A true GB560244A (en) 1944-03-27

Family

ID=23646343

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14531/42A Expired GB560244A (en) 1941-10-18 1942-10-16 Improvements in electric discharge lamps

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359659A (en) * 2000-02-28 2001-08-29 William Alan Glasson Separate enclosure fluorescent lighting fitting

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
DE928188C (de) * 1951-10-13 1955-05-26 Philips Nv Verfahren zur Herstellung eines ringfoermigen Entladungsgefaesses und nach diesem Verfahren hergestellte ringfoermige Entladungslampe
US2993191A (en) * 1956-03-28 1961-07-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Base for electric discharge lamp
BE556203A (de) * 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
ES2039179B1 (es) * 1990-08-31 1997-03-01 Koito Mfg Co Ltd Montaje conector de lampara de descarga
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 (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
GB2359659A (en) * 2000-02-28 2001-08-29 William Alan Glasson Separate enclosure fluorescent lighting fitting

Also Published As

Publication number Publication date
CH267806A (de) 1950-04-15
FR950823A (fr) 1949-10-07
US2339166A (en) 1944-01-11
BE478359A (de)
DE948796C (de) 1956-09-06

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