FR953412A - Indirectly heated cathode - Google Patents

Indirectly heated cathode

Info

Publication number
FR953412A
FR953412A FR953412DA FR953412A FR 953412 A FR953412 A FR 953412A FR 953412D A FR953412D A FR 953412DA FR 953412 A FR953412 A FR 953412A
Authority
FR
France
Prior art keywords
indirectly heated
heated cathode
cathode
indirectly
heated
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)
Inventor
Francis Boulet
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.)
RADIOELECTRIQUES LAB
Original Assignee
RADIOELECTRIQUES LAB
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 RADIOELECTRIQUES LAB filed Critical RADIOELECTRIQUES LAB
Application granted granted Critical
Publication of FR953412A publication Critical patent/FR953412A/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
FR953412D 1947-09-12 1947-09-12 Indirectly heated cathode Expired FR953412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953412T 1947-09-12

Publications (1)

Publication Number Publication Date
FR953412A true FR953412A (en) 1949-12-06

Family

ID=9487112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953412D Expired FR953412A (en) 1947-09-12 1947-09-12 Indirectly heated cathode

Country Status (1)

Country Link
FR (1) FR953412A (en)

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