GB351894A - Improvements in or relating to electric gas- or vapour-filled arc discharge tubes - Google Patents

Improvements in or relating to electric gas- or vapour-filled arc discharge tubes

Info

Publication number
GB351894A
GB351894A GB35874/30A GB3587430A GB351894A GB 351894 A GB351894 A GB 351894A GB 35874/30 A GB35874/30 A GB 35874/30A GB 3587430 A GB3587430 A GB 3587430A GB 351894 A GB351894 A GB 351894A
Authority
GB
United Kingdom
Prior art keywords
vapour
anodes
gas
cathode
incandescent
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
GB35874/30A
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 GB351894A publication Critical patent/GB351894A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/70Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
  • Lasers (AREA)
GB35874/30A 1930-01-09 1930-11-28 Improvements in or relating to electric gas- or vapour-filled arc discharge tubes Expired GB351894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL351894X 1930-01-09

Publications (1)

Publication Number Publication Date
GB351894A true GB351894A (en) 1931-07-02

Family

ID=19785072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35874/30A Expired GB351894A (en) 1930-01-09 1930-11-28 Improvements in or relating to electric gas- or vapour-filled arc discharge tubes

Country Status (5)

Country Link
US (1) US2020715A (enrdf_load_stackoverflow)
DE (1) DE560976C (enrdf_load_stackoverflow)
FR (1) FR706729A (enrdf_load_stackoverflow)
GB (1) GB351894A (enrdf_load_stackoverflow)
NL (1) NL28880C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE560976C (de) 1932-10-08
NL28880C (enrdf_load_stackoverflow)
FR706729A (fr) 1931-06-29
US2020715A (en) 1935-11-12

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