GB424322A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB424322A
GB424322A GB18730/34A GB1873034A GB424322A GB 424322 A GB424322 A GB 424322A GB 18730/34 A GB18730/34 A GB 18730/34A GB 1873034 A GB1873034 A GB 1873034A GB 424322 A GB424322 A GB 424322A
Authority
GB
United Kingdom
Prior art keywords
discharge
vapour
window
cathode
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
GB18730/34A
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 GB424322A publication Critical patent/GB424322A/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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
GB18730/34A 1933-06-26 1934-06-25 Improvements in or relating to electric discharge tubes Expired GB424322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL424322X 1933-06-26

Publications (1)

Publication Number Publication Date
GB424322A true GB424322A (en) 1935-02-19

Family

ID=19786100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18730/34A Expired GB424322A (en) 1933-06-26 1934-06-25 Improvements in or relating to electric discharge tubes

Country Status (5)

Country Link
US (1) US2010852A (fr)
DE (1) DE624970C (fr)
FR (1) FR774816A (fr)
GB (1) GB424322A (fr)
NL (1) NL40352C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746201C (de) * 1936-03-18 1944-06-13 Osram G M B H Komm Ges Elektrische Bestrahlungseinrichtung mit einer als Ultraviolettstrahler dienenden Metalldampfhochdrucklampe und einem als Vorschaltwiderstand dienenden Gluehkoerper
US2896104A (en) * 1954-06-11 1959-07-21 Sedlacek Franz Lightning arrester
US7325946B2 (en) * 2005-04-11 2008-02-05 Acuity Brands, Inc. Fluorescent lamp fixture and heater

Also Published As

Publication number Publication date
DE624970C (de) 1936-02-01
NL40352C (fr)
FR774816A (fr) 1934-12-14
US2010852A (en) 1935-08-13

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