FR996889A - Perfectionnement aux cathodes destinées aux tubes électroniques - Google Patents

Perfectionnement aux cathodes destinées aux tubes électroniques

Info

Publication number
FR996889A
FR996889A FR996889DA FR996889A FR 996889 A FR996889 A FR 996889A FR 996889D A FR996889D A FR 996889DA FR 996889 A FR996889 A FR 996889A
Authority
FR
France
Prior art keywords
cathodes
further development
electron tubes
tubes
electron
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)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR996889A publication Critical patent/FR996889A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
FR996889D 1949-08-31 1949-08-31 Perfectionnement aux cathodes destinées aux tubes électroniques Expired FR996889A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR996889T 1949-08-31

Publications (1)

Publication Number Publication Date
FR996889A true FR996889A (fr) 1951-12-27

Family

ID=9558237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996889D Expired FR996889A (fr) 1949-08-31 1949-08-31 Perfectionnement aux cathodes destinées aux tubes électroniques

Country Status (1)

Country Link
FR (1) FR996889A (fr)

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