BE450216A - - Google Patents

Info

Publication number
BE450216A
BE450216A BE450216DA BE450216A BE 450216 A BE450216 A BE 450216A BE 450216D A BE450216D A BE 450216DA BE 450216 A BE450216 A BE 450216A
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 BE450216A publication Critical patent/BE450216A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
BE450216D 1942-04-17 BE450216A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL614457X 1942-04-17

Publications (1)

Publication Number Publication Date
BE450216A true BE450216A (enrdf_load_html_response)

Family

ID=19788205

Family Applications (1)

Application Number Title Priority Date Filing Date
BE450216D BE450216A (enrdf_load_html_response) 1942-04-17

Country Status (5)

Country Link
US (1) US2530743A (enrdf_load_html_response)
BE (1) BE450216A (enrdf_load_html_response)
DE (1) DE868028C (enrdf_load_html_response)
FR (1) FR894033A (enrdf_load_html_response)
GB (1) GB614457A (enrdf_load_html_response)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042951A (en) * 1930-04-05 1936-06-02 Westinghouse Lamp Co Electron discharge device
US2095337A (en) * 1934-11-14 1937-10-12 Everett P Loppacker Vacuum tube electrode
BE426512A (enrdf_load_html_response) * 1937-02-23
BE433417A (enrdf_load_html_response) * 1938-03-25
US2223001A (en) * 1939-04-24 1940-11-26 Farnsworth Television & Radio High efficiency amplifier
NL52549C (enrdf_load_html_response) * 1939-06-06

Also Published As

Publication number Publication date
DE868028C (de) 1953-02-23
FR894033A (fr) 1944-12-12
GB614457A (en) 1948-12-15
US2530743A (en) 1950-11-21

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