FR907226A - Cathode pour tubes électroniques - Google Patents

Cathode pour tubes électroniques

Info

Publication number
FR907226A
FR907226A FR907226DA FR907226A FR 907226 A FR907226 A FR 907226A FR 907226D A FR907226D A FR 907226DA FR 907226 A FR907226 A FR 907226A
Authority
FR
France
Prior art keywords
cathode
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.)
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Original Assignee
Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
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 Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH filed Critical Fides Gesellschaft fuer die Verwaltung und Verwertung von Gewerblichen Schutzrechten mbH
Application granted granted Critical
Publication of FR907226A publication Critical patent/FR907226A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28Dispenser-type cathodes, e.g. L-cathode
FR907226D 1942-07-29 1944-09-29 Cathode pour tubes électroniques Expired FR907226A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE907226X 1942-07-29

Publications (1)

Publication Number Publication Date
FR907226A true FR907226A (fr) 1946-03-06

Family

ID=6862930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907226D Expired FR907226A (fr) 1942-07-29 1944-09-29 Cathode pour tubes électroniques

Country Status (1)

Country Link
FR (1) FR907226A (fr)

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