FR521400A - Dispositif pour tubes à vide - Google Patents

Dispositif pour tubes à vide

Info

Publication number
FR521400A
FR521400A FR521400A FR521400DA FR521400A FR 521400 A FR521400 A FR 521400A FR 521400 A FR521400 A FR 521400A FR 521400D A FR521400D A FR 521400DA FR 521400 A FR521400 A FR 521400A
Authority
FR
France
Prior art keywords
vacuum tubes
tubes
vacuum
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
FR521400A
Other languages
English (en)
Inventor
Siegmund Loewe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR521400A publication Critical patent/FR521400A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002Construction arrangements of electrode systems
FR521400A 1918-07-09 1920-07-30 Dispositif pour tubes à vide Expired FR521400A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE521400X 1918-07-09

Publications (1)

Publication Number Publication Date
FR521400A true FR521400A (fr) 1921-07-11

Family

ID=6551351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521400A Expired FR521400A (fr) 1918-07-09 1920-07-30 Dispositif pour tubes à vide

Country Status (1)

Country Link
FR (1) FR521400A (fr)

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