GB777103A - Improvements in electric discharge lamps - Google Patents

Improvements in electric discharge lamps

Info

Publication number
GB777103A
GB777103A GB9545/53A GB954553A GB777103A GB 777103 A GB777103 A GB 777103A GB 9545/53 A GB9545/53 A GB 9545/53A GB 954553 A GB954553 A GB 954553A GB 777103 A GB777103 A GB 777103A
Authority
GB
United Kingdom
Prior art keywords
envelope
bridge
lamp
support
limbs
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
GB9545/53A
Other languages
English (en)
Inventor
Eric John George Beeson
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
Priority to NL93096D priority Critical patent/NL93096C/xx
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB9545/53A priority patent/GB777103A/en
Priority to US418970A priority patent/US2795724A/en
Priority to FR1097533D priority patent/FR1097533A/fr
Publication of GB777103A publication Critical patent/GB777103A/en
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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/80—Lamps suitable only for intermittent operation, e.g. flash lamp

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB9545/53A 1953-04-08 1953-04-08 Improvements in electric discharge lamps Expired GB777103A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL93096D NL93096C (fr) 1953-04-08
GB9545/53A GB777103A (en) 1953-04-08 1953-04-08 Improvements in electric discharge lamps
US418970A US2795724A (en) 1953-04-08 1954-03-26 Electric discharge lamps
FR1097533D FR1097533A (fr) 1953-04-08 1954-04-02 Lampe à décharge électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9545/53A GB777103A (en) 1953-04-08 1953-04-08 Improvements in electric discharge lamps

Publications (1)

Publication Number Publication Date
GB777103A true GB777103A (en) 1957-06-19

Family

ID=9874063

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9545/53A Expired GB777103A (en) 1953-04-08 1953-04-08 Improvements in electric discharge lamps

Country Status (4)

Country Link
US (1) US2795724A (fr)
FR (1) FR1097533A (fr)
GB (1) GB777103A (fr)
NL (1) NL93096C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970303A (en) * 1955-03-04 1961-01-31 Burroughs Corp Neon lamp indicator device
US3579174A (en) * 1968-06-24 1971-05-18 Sylvania Electric Prod Lamp-base assembly
USD248593S (en) * 1976-06-01 1978-07-18 Kidde Consumer Durables Corp. Fluorescent light bulb
US4321502A (en) * 1979-12-03 1982-03-23 General Electric Company U-Shaped discharge lamp with starting strip
US4342940A (en) * 1980-02-04 1982-08-03 Xerox Corporation Triggering device for a flash lamp
JPS57182905A (en) * 1981-04-13 1982-11-11 Gen Electric U-shaped discharge lamp
US4468591A (en) * 1982-04-15 1984-08-28 General Electric Company Shaped discharge lamp with starting aid and starting strip
US4523126A (en) * 1982-04-15 1985-06-11 General Electric Company Shaped discharge lamp with starting aid
US4463280A (en) * 1982-04-15 1984-07-31 General Electric Company Shaped discharge lamp with starting aid
DE3221439A1 (de) * 1982-06-07 1983-12-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Elektrische entladungslampe
ES2653919T3 (es) * 2011-09-26 2018-02-09 Future Farming Aps Lámpara de calefacción

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228327A (en) * 1929-05-04 1941-01-14 Hans J Spanner Discharge device
GB434598A (en) * 1934-03-05 1935-09-05 British Thomson Houston Co Ltd Improvements in and relating to electric discharge devices
US2277697A (en) * 1939-01-31 1942-03-31 Grier Herbert Earle Electric system and apparatus
US2399222A (en) * 1941-11-08 1946-04-30 Germeshausen Kenneth Joseph Flash-photography apparatus
US2624023A (en) * 1949-10-19 1952-12-30 Gen Electric Lamp unit

Also Published As

Publication number Publication date
NL93096C (fr)
US2795724A (en) 1957-06-11
FR1097533A (fr) 1955-07-06

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