GB205613A - Improvements in thermionic devices - Google Patents

Improvements in thermionic devices

Info

Publication number
GB205613A
GB205613A GB2149522A GB2149522A GB205613A GB 205613 A GB205613 A GB 205613A GB 2149522 A GB2149522 A GB 2149522A GB 2149522 A GB2149522 A GB 2149522A GB 205613 A GB205613 A GB 205613A
Authority
GB
United Kingdom
Prior art keywords
cathode
discharge
filament
parts
starting
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
GB2149522A
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.)
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
Priority to NL17256D priority Critical patent/NL17256C/xx
Application filed by Individual filed Critical Individual
Priority to GB2149522A priority patent/GB205613A/en
Priority to DER59063D priority patent/DE545249C/de
Priority to FR569581D priority patent/FR569581A/fr
Publication of GB205613A publication Critical patent/GB205613A/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

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Discharge Lamp (AREA)
GB2149522A 1922-08-08 1922-08-08 Improvements in thermionic devices Expired GB205613A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL17256D NL17256C (de) 1922-08-08
GB2149522A GB205613A (en) 1922-08-08 1922-08-08 Improvements in thermionic devices
DER59063D DE545249C (de) 1922-08-08 1923-07-31 Gluehkathodenroehre, deren Kathode waehrend der Roehrenbenutzung lediglich durch Elektronenbombardement zwischen mehreren Kathodenteilen, von denen wenigstens einer zum Inbetriebsetzen der Kathode bis zur Emissionstemperatur erhitzt wird, ohne Erhitzung eines Teiles von aussen her durch Joulesche Waerme geheizt wird
FR569581D FR569581A (fr) 1922-08-08 1923-08-07 Perfectionnements aux dispositifs thermioniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2149522A GB205613A (en) 1922-08-08 1922-08-08 Improvements in thermionic devices

Publications (1)

Publication Number Publication Date
GB205613A true GB205613A (en) 1923-10-25

Family

ID=10163894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2149522A Expired GB205613A (en) 1922-08-08 1922-08-08 Improvements in thermionic devices

Country Status (4)

Country Link
DE (1) DE545249C (de)
FR (1) FR569581A (de)
GB (1) GB205613A (de)
NL (1) NL17256C (de)

Also Published As

Publication number Publication date
NL17256C (de)
FR569581A (fr) 1924-04-14
DE545249C (de) 1932-03-02

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