GB435957A - Improvements in thermionic cathodes - Google Patents

Improvements in thermionic cathodes

Info

Publication number
GB435957A
GB435957A GB2705734A GB2705734A GB435957A GB 435957 A GB435957 A GB 435957A GB 2705734 A GB2705734 A GB 2705734A GB 2705734 A GB2705734 A GB 2705734A GB 435957 A GB435957 A GB 435957A
Authority
GB
United Kingdom
Prior art keywords
wire
cathode
helical
tube
insulator
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
GB2705734A
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co Ltd
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 BE411318D priority Critical patent/BE411318A/xx
Application filed by MO Valve Co Ltd filed Critical MO Valve Co Ltd
Priority to GB2705734A priority patent/GB435957A/en
Priority to FR794759D priority patent/FR794759A/fr
Publication of GB435957A publication Critical patent/GB435957A/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

  • Solid Thermionic Cathode (AREA)
GB2705734A 1934-09-20 1934-09-20 Improvements in thermionic cathodes Expired GB435957A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE411318D BE411318A (enrdf_load_stackoverflow) 1934-09-20
GB2705734A GB435957A (en) 1934-09-20 1934-09-20 Improvements in thermionic cathodes
FR794759D FR794759A (fr) 1934-09-20 1935-09-13 Perfectionnements aux cathodes à chauffage indirect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2705734A GB435957A (en) 1934-09-20 1934-09-20 Improvements in thermionic cathodes

Publications (1)

Publication Number Publication Date
GB435957A true GB435957A (en) 1935-10-02

Family

ID=10253456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2705734A Expired GB435957A (en) 1934-09-20 1934-09-20 Improvements in thermionic cathodes

Country Status (3)

Country Link
BE (1) BE411318A (enrdf_load_stackoverflow)
FR (1) FR794759A (enrdf_load_stackoverflow)
GB (1) GB435957A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE411318A (enrdf_load_stackoverflow)
FR794759A (fr) 1936-02-25

Similar Documents

Publication Publication Date Title
US2733368A (en) Kolkman
GB499897A (en) Improvements in auxiliary electrodes in electric discharge devices
US1860210A (en) Gas filled electric discharge device
GB435957A (en) Improvements in thermionic cathodes
GB419096A (en) Improvements in thermionic cathodes
US2018257A (en) Thermionic vacuum tube
GB420663A (en) Improvements in luminous electric discharge tubes
GB375851A (en) Improvements in and relating to electric discharge devices
US1989954A (en) Electric discharge tube
GB370338A (en) Improvements in luminous electric discharge tubes
US2367579A (en) Gaseous conduction discharge device
US1878089A (en) Electron emitting device
US2030930A (en) Electron discharge device
GB433437A (en) Improvements in electric discharge tubes
US2039773A (en) Incandescent electric lamp
US1750238A (en) Thermionic tube
US2006560A (en) Electron discharge device
US1890911A (en) Electron tube
US1822162A (en) Vacuum tube construction
US1852023A (en) Cathode for thermionic tubes
US1997196A (en) Electron discharge device
US1737278A (en) Coupling unit
GB462363A (en) Improvements in and relating to electric discharge devices
US1859454A (en) Electron tube
US1982068A (en) Combined rectifier and pentode