GB656737A - Improvements in and relating to fluorescent lamps - Google Patents

Improvements in and relating to fluorescent lamps

Info

Publication number
GB656737A
GB656737A GB12250/48A GB1225048A GB656737A GB 656737 A GB656737 A GB 656737A GB 12250/48 A GB12250/48 A GB 12250/48A GB 1225048 A GB1225048 A GB 1225048A GB 656737 A GB656737 A GB 656737A
Authority
GB
United Kingdom
Prior art keywords
filament
shield
pressure
electrode
tube
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
GB12250/48A
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 GB656737A publication Critical patent/GB656737A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/067Main electrodes for low-pressure discharge lamps
    • H01J61/0672Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode

Landscapes

  • Discharge Lamp (AREA)
GB12250/48A 1947-05-05 1948-05-04 Improvements in and relating to fluorescent lamps Expired GB656737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US268316XA 1947-05-05 1947-05-05

Publications (1)

Publication Number Publication Date
GB656737A true GB656737A (en) 1951-08-29

Family

ID=21834030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12250/48A Expired GB656737A (en) 1947-05-05 1948-05-04 Improvements in and relating to fluorescent lamps

Country Status (3)

Country Link
CH (1) CH268316A (enrdf_load_stackoverflow)
FR (1) FR965666A (enrdf_load_stackoverflow)
GB (1) GB656737A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017283B (de) * 1952-11-29 1957-10-10 Gen Electric Verfahren und Vorrichtung zum Formen und Montieren von Metallschirmen an Elektrodenaufbauten von Entladungslampen

Also Published As

Publication number Publication date
CH268316A (de) 1950-05-15
FR965666A (enrdf_load_stackoverflow) 1950-09-19

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