FR941242A - Modes de construction d'électrodes - Google Patents

Modes de construction d'électrodes

Info

Publication number
FR941242A
FR941242A FR941242DA FR941242A FR 941242 A FR941242 A FR 941242A FR 941242D A FR941242D A FR 941242DA FR 941242 A FR941242 A FR 941242A
Authority
FR
France
Prior art keywords
construction methods
electrode construction
electrode
methods
construction
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
English (en)
French (fr)
Inventor
Philip Parker
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR941242A publication Critical patent/FR941242A/fr
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
FR941242D 1939-05-26 1947-01-08 Modes de construction d'électrodes Expired FR941242A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1570839A GB531076A (en) 1939-05-26 1939-05-26 Improvements in or relating to thermionic electrode structures

Publications (1)

Publication Number Publication Date
FR941242A true FR941242A (fr) 1949-01-05

Family

ID=10064044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941242D Expired FR941242A (fr) 1939-05-26 1947-01-08 Modes de construction d'électrodes

Country Status (3)

Country Link
BE (1) BE476636A (enrdf_load_stackoverflow)
FR (1) FR941242A (enrdf_load_stackoverflow)
GB (1) GB531076A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB531076A (en) 1940-12-30
BE476636A (enrdf_load_stackoverflow)

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