BE478149A - - Google Patents

Info

Publication number
BE478149A
BE478149A BE478149DA BE478149A BE 478149 A BE478149 A BE 478149A BE 478149D A BE478149D A BE 478149DA BE 478149 A BE478149 A BE 478149A
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 BE478149A publication Critical patent/BE478149A/xx

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
    • 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
BE478149D 1946-11-13 BE478149A (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL264502X 1946-11-13
CH230150T 1947-11-04

Publications (1)

Publication Number Publication Date
BE478149A true BE478149A (enrdf_load_html_response)

Family

ID=25727444

Family Applications (1)

Application Number Title Priority Date Filing Date
BE478149D BE478149A (enrdf_load_html_response) 1946-11-13

Country Status (7)

Country Link
US (1) US2489367A (enrdf_load_html_response)
BE (1) BE478149A (enrdf_load_html_response)
CH (1) CH264502A (enrdf_load_html_response)
DE (1) DE890389C (enrdf_load_html_response)
FR (1) FR57812E (enrdf_load_html_response)
GB (1) GB652382A (enrdf_load_html_response)
NL (1) NL63789C (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626370A (en) * 1949-05-26 1953-01-20 Rca Corp Filament structure for electron discharge device
US4100449A (en) * 1976-04-05 1978-07-11 Rca Corporation Uniform filament and method of making the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1700454A (en) * 1924-07-08 1929-01-29 Western Electric Co Electron emitter and process of making the same
US2112969A (en) * 1926-12-11 1938-04-05 Rca Corp Cathode
BE403333A (enrdf_load_html_response) * 1933-06-24

Also Published As

Publication number Publication date
DE890389C (de) 1953-09-17
CH264502A (de) 1949-10-15
US2489367A (en) 1949-11-29
FR57812E (fr) 1953-09-17
GB652382A (en) 1951-04-25
NL63789C (enrdf_load_html_response)

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