GB447534A - Improvements in electric discharge tubes - Google Patents

Improvements in electric discharge tubes

Info

Publication number
GB447534A
GB447534A GB34788/35A GB3478835A GB447534A GB 447534 A GB447534 A GB 447534A GB 34788/35 A GB34788/35 A GB 34788/35A GB 3478835 A GB3478835 A GB 3478835A GB 447534 A GB447534 A GB 447534A
Authority
GB
United Kingdom
Prior art keywords
envelope
planes
tube
discharge
cathode
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
GB34788/35A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB447534A publication Critical patent/GB447534A/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
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/56—One or more circuit elements structurally associated with the lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB34788/35A 1935-01-11 1935-12-14 Improvements in electric discharge tubes Expired GB447534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE447534X 1935-01-11

Publications (1)

Publication Number Publication Date
GB447534A true GB447534A (en) 1936-05-20

Family

ID=6538019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34788/35A Expired GB447534A (en) 1935-01-11 1935-12-14 Improvements in electric discharge tubes

Country Status (3)

Country Link
FR (1) FR799383A (en:Method)
GB (1) GB447534A (en:Method)
NL (1) NL42486C (en:Method)

Also Published As

Publication number Publication date
NL42486C (en:Method)
FR799383A (fr) 1936-06-11

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