GB370813A - Electric device comprising a gasfilled discharge space - Google Patents

Electric device comprising a gasfilled discharge space

Info

Publication number
GB370813A
GB370813A GB25539/31A GB2553931A GB370813A GB 370813 A GB370813 A GB 370813A GB 25539/31 A GB25539/31 A GB 25539/31A GB 2553931 A GB2553931 A GB 2553931A GB 370813 A GB370813 A GB 370813A
Authority
GB
United Kingdom
Prior art keywords
bulb
discharge
ultra
filament
violet rays
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
GB25539/31A
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 GB370813A publication Critical patent/GB370813A/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
    • H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight

Landscapes

  • Radiation-Therapy Devices (AREA)
GB25539/31A 1930-09-13 1931-09-11 Electric device comprising a gasfilled discharge space Expired GB370813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL370813X 1930-09-13

Publications (1)

Publication Number Publication Date
GB370813A true GB370813A (en) 1932-04-14

Family

ID=19785542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25539/31A Expired GB370813A (en) 1930-09-13 1931-09-11 Electric device comprising a gasfilled discharge space

Country Status (3)

Country Link
BE (1) BE382596A (enrdf_load_stackoverflow)
FR (1) FR722842A (enrdf_load_stackoverflow)
GB (1) GB370813A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR722842A (fr) 1932-03-26
BE382596A (enrdf_load_stackoverflow)

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