BE424909A - - Google Patents

Info

Publication number
BE424909A
BE424909A BE424909DA BE424909A BE 424909 A BE424909 A BE 424909A BE 424909D A BE424909D A BE 424909DA BE 424909 A BE424909 A BE 424909A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE424909A publication Critical patent/BE424909A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/24Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/24Means for obtaining or maintaining the desired pressure within the vessel
BE424909D 1936-12-05 1937-11-29 BE424909A (en:Method)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CS829447X 1936-12-05
DEM136632D DE684934C (de) 1936-12-05 1936-12-16 Elektrische Metalldampfbogenlampe mit festen, zu hoher Elektronenemission aktivierten Elektroden und einem Vorratsbehaelter fuer das zu verdampfende Metall
GB4561/37A GB473583A (en) 1936-12-05 1937-02-15 Improvements in and relating to metal vapour discharge tubes

Publications (1)

Publication Number Publication Date
BE424909A true BE424909A (en:Method) 1937-12-31

Family

ID=9779466

Family Applications (1)

Application Number Title Priority Date Filing Date
BE424909D BE424909A (en:Method) 1936-12-05 1937-11-29

Country Status (4)

Country Link
BE (1) BE424909A (en:Method)
DE (1) DE684934C (en:Method)
FR (1) FR829447A (en:Method)
GB (1) GB473583A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1274228B (de) * 1965-08-16 1968-08-01 Patra Patent Treuhand Elektrische Quecksilberniederdruck-Entladungslampe, insbesondere Leuchtstofflampe
NL6709573A (en:Method) * 1967-07-10 1969-01-14
NL166578C (nl) * 1973-12-19 1981-08-17 Philips Nv Ontladingsbuis voorzien van twee inwendige elektroden.
US10663116B2 (en) 2015-02-26 2020-05-26 Signify Holding B.V. Lighting device with dispenser for a reactive substance

Also Published As

Publication number Publication date
DE684934C (de) 1939-12-08
GB473583A (en) 1937-10-15
FR829447A (fr) 1938-06-24

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