FR953873A - Improvement in discharge tubes - Google Patents

Improvement in discharge tubes

Info

Publication number
FR953873A
FR953873A FR953873DA FR953873A FR 953873 A FR953873 A FR 953873A FR 953873D A FR953873D A FR 953873DA FR 953873 A FR953873 A FR 953873A
Authority
FR
France
Prior art keywords
improvement
discharge tubes
tubes
discharge
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR953873A publication Critical patent/FR953873A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
FR953873D 1946-10-07 1947-10-06 Improvement in discharge tubes Expired FR953873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL261760X 1946-10-07

Publications (1)

Publication Number Publication Date
FR953873A true FR953873A (en) 1949-12-14

Family

ID=19781544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953873D Expired FR953873A (en) 1946-10-07 1947-10-06 Improvement in discharge tubes

Country Status (2)

Country Link
CH (1) CH261760A (en)
FR (1) FR953873A (en)

Also Published As

Publication number Publication date
CH261760A (en) 1949-05-31

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