BE431992A - - Google Patents

Info

Publication number
BE431992A
BE431992A BE431992DA BE431992A BE 431992 A BE431992 A BE 431992A BE 431992D A BE431992D A BE 431992DA BE 431992 A BE431992 A BE 431992A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE431992A publication Critical patent/BE431992A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/76—Dynamic electron-multiplier tubes, e.g. Farnsworth multiplier tube, multipactor
BE431992D 1938-01-05 1939-01-05 BE431992A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US183420A US2239149A (en) 1938-01-05 1938-01-05 Electronic amplifier

Publications (1)

Publication Number Publication Date
BE431992A true BE431992A (enrdf_load_html_response) 1939-02-28

Family

ID=22672715

Family Applications (1)

Application Number Title Priority Date Filing Date
BE431992D BE431992A (enrdf_load_html_response) 1938-01-05 1939-01-05

Country Status (4)

Country Link
US (1) US2239149A (enrdf_load_html_response)
BE (1) BE431992A (enrdf_load_html_response)
FR (1) FR848489A (enrdf_load_html_response)
GB (1) GB525402A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433700A (en) * 1943-11-04 1947-12-30 Farnsworth Res Corp Phototube multiplier

Also Published As

Publication number Publication date
GB525402A (en) 1940-08-28
US2239149A (en) 1941-04-22
FR848489A (fr) 1939-10-31

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