GB255543A - Improvements in or relating to thermionic valves - Google Patents

Improvements in or relating to thermionic valves

Info

Publication number
GB255543A
GB255543A GB1074225A GB1074225A GB255543A GB 255543 A GB255543 A GB 255543A GB 1074225 A GB1074225 A GB 1074225A GB 1074225 A GB1074225 A GB 1074225A GB 255543 A GB255543 A GB 255543A
Authority
GB
United Kingdom
Prior art keywords
filaments
connect
parallel
switch
relating
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
GB1074225A
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 NL17071D priority Critical patent/NL17071C/xx
Application filed by Individual filed Critical Individual
Priority to GB1074225A priority patent/GB255543A/en
Publication of GB255543A publication Critical patent/GB255543A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
GB1074225A 1925-04-24 1925-04-24 Improvements in or relating to thermionic valves Expired GB255543A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL17071D NL17071C (enExample) 1925-04-24
GB1074225A GB255543A (en) 1925-04-24 1925-04-24 Improvements in or relating to thermionic valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1074225A GB255543A (en) 1925-04-24 1925-04-24 Improvements in or relating to thermionic valves

Publications (1)

Publication Number Publication Date
GB255543A true GB255543A (en) 1926-07-26

Family

ID=9973437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1074225A Expired GB255543A (en) 1925-04-24 1925-04-24 Improvements in or relating to thermionic valves

Country Status (2)

Country Link
GB (1) GB255543A (enExample)
NL (1) NL17071C (enExample)

Also Published As

Publication number Publication date
NL17071C (enExample)

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