GB208110A - - Google Patents

Info

Publication number
GB208110A
GB208110A GB1543423A GB1543423A GB208110A GB 208110 A GB208110 A GB 208110A GB 1543423 A GB1543423 A GB 1543423A GB 1543423 A GB1543423 A GB 1543423A GB 208110 A GB208110 A GB 208110A
Authority
GB
United Kingdom
Prior art keywords
mercury
colour
glass
low
light
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
GB1543423A
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Publication of GB208110A publication Critical patent/GB208110A/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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope

Landscapes

  • Gas-Filled Discharge Tubes (AREA)
  • Luminescent Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1543423A 1922-12-07 1923-06-13 Expired GB208110A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP45360D DE403667C (de) 1922-12-07 1922-12-07 Elektrische Leuchtroehre

Publications (1)

Publication Number Publication Date
GB208110A true GB208110A (enrdf_load_stackoverflow) 1924-08-29

Family

ID=7380950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1543423A Expired GB208110A (enrdf_load_stackoverflow) 1922-12-07 1923-06-13

Country Status (2)

Country Link
DE (1) DE403667C (enrdf_load_stackoverflow)
GB (1) GB208110A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE403667C (de) 1924-10-02

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