BE411406A - - Google Patents

Info

Publication number
BE411406A
BE411406A BE411406DA BE411406A BE 411406 A BE411406 A BE 411406A BE 411406D A BE411406D A BE 411406DA BE 411406 A BE411406 A BE 411406A
Authority
BE
Belgium
Application number
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.)
Publication of BE411406A publication Critical patent/BE411406A/xx

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
    • H01J1/22Heaters
BE411406D 1935-03-06 BE411406A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7041/35A GB453154A (en) 1935-03-06 1935-03-06 Improvements in or relating to indirectly heated cathodes for thermionic valves

Publications (1)

Publication Number Publication Date
BE411406A true BE411406A (ja)

Family

ID=9825498

Family Applications (1)

Application Number Title Priority Date Filing Date
BE411406D BE411406A (ja) 1935-03-06

Country Status (6)

Country Link
US (1) US2164913A (ja)
BE (1) BE411406A (ja)
DE (1) DE755099C (ja)
FR (1) FR798600A (ja)
GB (1) GB453154A (ja)
NL (1) NL42560C (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487695A (en) * 1946-11-29 1949-11-08 North American Geophysical Com Electric heating element
US2742585A (en) * 1952-08-22 1956-04-17 Gen Electric Electrical vapor detector
NL87447C (ja) * 1952-10-11
GB749312A (en) * 1953-05-02 1956-05-23 Emi Ltd Improvements in or relating to indirectly heated cathodes for electron discharge devices
NL84939C (ja) * 1954-01-01
US2899664A (en) * 1956-02-27 1959-08-11 Electric heating units and methods of making the same
US2935709A (en) * 1958-03-18 1960-05-03 Ii William A Paine Apparatus and method for strain rod assembly and filament core
US3265924A (en) * 1962-06-29 1966-08-09 York Res Corp Thermionic tube having novel heater and cathode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH157162A (de) * 1930-07-03 1932-09-15 Gustav Ganz & Co Indirekt geheizte Glühkathode für Entladungsröhren.
NL36127C (ja) * 1932-02-16
US2158665A (en) * 1932-06-30 1939-05-16 Hygrade Sylvania Corp Electron discharge device

Also Published As

Publication number Publication date
GB453154A (en) 1936-09-07
FR798600A (fr) 1936-05-20
NL42560C (ja)
DE755099C (de) 1953-10-26
US2164913A (en) 1939-07-04

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