FR655051A - Perfectionnements aux lampes thermioniques - Google Patents

Perfectionnements aux lampes thermioniques

Info

Publication number
FR655051A
FR655051A FR655051DA FR655051A FR 655051 A FR655051 A FR 655051A FR 655051D A FR655051D A FR 655051DA FR 655051 A FR655051 A FR 655051A
Authority
FR
France
Prior art keywords
thermionic
lamps
thermionic lamps
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)
Inventor
William Richard Bullimore
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 filed Critical
Application granted granted Critical
Publication of FR655051A publication Critical patent/FR655051A/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
FR655051D 1928-05-31 1928-05-31 Perfectionnements aux lampes thermioniques Expired FR655051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR655051T 1928-05-31

Publications (1)

Publication Number Publication Date
FR655051A true FR655051A (fr) 1929-04-15

Family

ID=9006848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR655051D Expired FR655051A (fr) 1928-05-31 1928-05-31 Perfectionnements aux lampes thermioniques

Country Status (1)

Country Link
FR (1) FR655051A (fr)

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