FR51921E - Cathode - Google Patents

Cathode

Info

Publication number
FR51921E
FR51921E FR51921DA FR51921E FR 51921 E FR51921 E FR 51921E FR 51921D A FR51921D A FR 51921DA FR 51921 E FR51921 E FR 51921E
Authority
FR
France
Prior art keywords
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
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie 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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR51921E publication Critical patent/FR51921E/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
    • H01J1/22—Heaters
FR51921D 1942-01-16 1942-01-16 Cathode Expired FR51921E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR51921T 1942-01-16

Publications (1)

Publication Number Publication Date
FR51921E true FR51921E (fr) 1943-05-25

Family

ID=8686670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51921D Expired FR51921E (fr) 1942-01-16 1942-01-16 Cathode

Country Status (1)

Country Link
FR (1) FR51921E (fr)

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