FR705542A - Perfectionnements à la disposition des cathodes incandescentes dans les lampes électroniques - Google Patents

Perfectionnements à la disposition des cathodes incandescentes dans les lampes électroniques

Info

Publication number
FR705542A
FR705542A FR705542DA FR705542A FR 705542 A FR705542 A FR 705542A FR 705542D A FR705542D A FR 705542DA FR 705542 A FR705542 A FR 705542A
Authority
FR
France
Prior art keywords
arrangement
electronic lamps
incandescent cathodes
cathodes
incandescent
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)
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.)
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 FR705542A publication Critical patent/FR705542A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/16—Tubes with a single discharge path having electrostatic control means only with external electrostatic control means and with or without internal control electrodes
FR705542D 1930-03-27 1930-11-14 Perfectionnements à la disposition des cathodes incandescentes dans les lampes électroniques Expired FR705542A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7607331 1930-03-27

Publications (1)

Publication Number Publication Date
FR705542A true FR705542A (fr) 1931-06-09

Family

ID=6304538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR705542D Expired FR705542A (fr) 1930-03-27 1930-11-14 Perfectionnements à la disposition des cathodes incandescentes dans les lampes électroniques

Country Status (6)

Country Link
AT (1) AT126303B (en(2012))
BE (1) BE373149A (en(2012))
DE (1) DE587216C (en(2012))
FR (1) FR705542A (en(2012))
GB (1) GB362272A (en(2012))
NL (1) NL30034C (en(2012))

Also Published As

Publication number Publication date
AT126303B (de) 1932-01-11
BE373149A (en(2012)) 1930-09-02
NL30034C (en(2012)) 1933-01-16
DE587216C (de) 1933-10-31
GB362272A (en) 1931-12-03

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