FR1111931A - Thermionic cathode - Google Patents

Thermionic cathode

Info

Publication number
FR1111931A
FR1111931A FR1111931DA FR1111931A FR 1111931 A FR1111931 A FR 1111931A FR 1111931D A FR1111931D A FR 1111931DA FR 1111931 A FR1111931 A FR 1111931A
Authority
FR
France
Prior art keywords
thermionic cathode
thermionic
cathode
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)
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1111931A publication Critical patent/FR1111931A/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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR1111931D 1953-11-12 1954-11-09 Thermionic cathode Expired FR1111931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3144053A GB758100A (en) 1953-11-12 1953-11-12 Improvements in or relating to thermionic cathodes

Publications (1)

Publication Number Publication Date
FR1111931A true FR1111931A (en) 1956-03-06

Family

ID=10323122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1111931D Expired FR1111931A (en) 1953-11-12 1954-11-09 Thermionic cathode

Country Status (2)

Country Link
FR (1) FR1111931A (en)
GB (1) GB758100A (en)

Also Published As

Publication number Publication date
GB758100A (en) 1956-09-26

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