NL7204462A - - Google Patents

Info

Publication number
NL7204462A
NL7204462A NL7204462A NL7204462A NL7204462A NL 7204462 A NL7204462 A NL 7204462A NL 7204462 A NL7204462 A NL 7204462A NL 7204462 A NL7204462 A NL 7204462A NL 7204462 A NL7204462 A NL 7204462A
Authority
NL
Netherlands
Application number
NL7204462A
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 NL7204462A publication Critical patent/NL7204462A/xx

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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
NL7204462A 1971-04-07 1972-04-04 NL7204462A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7112325A FR2133088A6 (en) 1971-04-07 1971-04-07 Thorium emitter electrode - for discharge lamps wherein thorium pellets are heated to 2000 C in mfr

Publications (1)

Publication Number Publication Date
NL7204462A true NL7204462A (xx) 1972-10-10

Family

ID=9074921

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7204462A NL7204462A (xx) 1971-04-07 1972-04-04

Country Status (5)

Country Link
BE (1) BE781065A (xx)
FR (1) FR2133088A6 (xx)
IT (1) IT958718B (xx)
LU (1) LU65006A1 (xx)
NL (1) NL7204462A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19530293A1 (de) * 1995-08-17 1997-02-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe

Also Published As

Publication number Publication date
IT958718B (it) 1973-10-30
FR2133088A6 (en) 1972-11-24
LU65006A1 (xx) 1972-07-10
BE781065A (fr) 1972-07-17

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Legal Events

Date Code Title Description
BV The patent application has lapsed