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FR759316A - Indirectly heated cathode - Google Patents

Indirectly heated cathode

Info

Publication number
FR759316A
FR759316A FR759316DA FR759316A FR 759316 A FR759316 A FR 759316A FR 759316D A FR759316D A FR 759316DA FR 759316 A FR759316 A FR 759316A
Authority
FR
France
Prior art keywords
indirectly heated
heated cathode
cathode
indirectly
heated
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)
Inventor
Ernst Waldschmidt
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta 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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR759316A publication Critical patent/FR759316A/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
FR759316D 1932-08-06 1933-08-05 Indirectly heated cathode Expired FR759316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE423800X 1932-08-06

Publications (1)

Publication Number Publication Date
FR759316A true FR759316A (en) 1934-02-01

Family

ID=6472578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR759316D Expired FR759316A (en) 1932-08-06 1933-08-05 Indirectly heated cathode

Country Status (3)

Country Link
FR (1) FR759316A (en)
GB (1) GB423800A (en)
NL (1) NL37865C (en)

Also Published As

Publication number Publication date
NL37865C (en)
GB423800A (en) 1935-02-05

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