FR1013196A - Flat cathode discharge tube - Google Patents

Flat cathode discharge tube

Info

Publication number
FR1013196A
FR1013196A FR1013196DA FR1013196A FR 1013196 A FR1013196 A FR 1013196A FR 1013196D A FR1013196D A FR 1013196DA FR 1013196 A FR1013196 A FR 1013196A
Authority
FR
France
Prior art keywords
discharge tube
cathode discharge
flat cathode
flat
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
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 FR1013196A publication Critical patent/FR1013196A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR1013196D 1949-02-25 1950-02-23 Flat cathode discharge tube Expired FR1013196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1013196X 1949-02-25

Publications (1)

Publication Number Publication Date
FR1013196A true FR1013196A (en) 1952-07-23

Family

ID=19866947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1013196D Expired FR1013196A (en) 1949-02-25 1950-02-23 Flat cathode discharge tube

Country Status (3)

Country Link
BE (1) BE494113A (en)
FR (1) FR1013196A (en)
NL (1) NL72671C (en)

Also Published As

Publication number Publication date
BE494113A (en)
NL72671C (en)

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