FR877660A - Oxide cathode - Google Patents

Oxide cathode

Info

Publication number
FR877660A
FR877660A FR877660DA FR877660A FR 877660 A FR877660 A FR 877660A FR 877660D A FR877660D A FR 877660DA FR 877660 A FR877660 A FR 877660A
Authority
FR
France
Prior art keywords
oxide cathode
cathode
oxide
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR877660A publication Critical patent/FR877660A/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
    • H01J1/14—Solid thermionic cathodes characterised by the material
FR877660D 1940-12-21 1941-12-11 Oxide cathode Expired FR877660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877660X 1940-12-21

Publications (1)

Publication Number Publication Date
FR877660A true FR877660A (en) 1942-12-14

Family

ID=6818174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877660D Expired FR877660A (en) 1940-12-21 1941-12-11 Oxide cathode

Country Status (1)

Country Link
FR (1) FR877660A (en)

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