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FR1011808A - Indirectly heated cathode for discharge tube - Google Patents

Indirectly heated cathode for discharge tube

Info

Publication number
FR1011808A
FR1011808A FR1011808DA FR1011808A FR 1011808 A FR1011808 A FR 1011808A FR 1011808D A FR1011808D A FR 1011808DA FR 1011808 A FR1011808 A FR 1011808A
Authority
FR
France
Prior art keywords
discharge tube
indirectly heated
heated cathode
cathode
indirectly
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.)
GENERALES DE PHYSIQUE APPLIQUE
Original Assignee
GENERALES DE PHYSIQUE APPLIQUE
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 GENERALES DE PHYSIQUE APPLIQUE filed Critical GENERALES DE PHYSIQUE APPLIQUE
Application granted granted Critical
Publication of FR1011808A publication Critical patent/FR1011808A/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
FR1011808D 1949-03-25 1949-03-25 Indirectly heated cathode for discharge tube Expired FR1011808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1011808T 1949-03-25

Publications (1)

Publication Number Publication Date
FR1011808A true FR1011808A (en) 1952-06-27

Family

ID=9570249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1011808D Expired FR1011808A (en) 1949-03-25 1949-03-25 Indirectly heated cathode for discharge tube

Country Status (1)

Country Link
FR (1) FR1011808A (en)

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