BE440174A - - Google Patents

Info

Publication number
BE440174A
BE440174A BE440174DA BE440174A BE 440174 A BE440174 A BE 440174A BE 440174D A BE440174D A BE 440174DA BE 440174 A BE440174 A BE 440174A
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 BE440174A publication Critical patent/BE440174A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02Tubes in which one or a few electrodes are secondary-electron emitting electrodes
BE440174D 1939-06-06 BE440174A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL217330X 1939-06-06

Publications (1)

Publication Number Publication Date
BE440174A true BE440174A (en:Method)

Family

ID=19779131

Family Applications (1)

Application Number Title Priority Date Filing Date
BE440174D BE440174A (en:Method) 1939-06-06

Country Status (7)

Country Link
US (1) US2340631A (en:Method)
BE (1) BE440174A (en:Method)
CH (1) CH217330A (en:Method)
DE (1) DE1074764B (en:Method)
FR (1) FR868395A (en:Method)
GB (2) GB544225A (en:Method)
NL (1) NL52549C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE477662A (en:Method) * 1939-07-28
BE450216A (en:Method) * 1942-04-17
US2674661A (en) * 1948-08-12 1954-04-06 Rca Corp Electron multiplier device
US2909702A (en) * 1948-10-01 1959-10-20 Siemens Ag Discharge vessel cooled by radiation
US2675431A (en) * 1949-08-18 1954-04-13 Nat Union Radio Corp Transit time compensated multiplier tube

Also Published As

Publication number Publication date
FR868395A (fr) 1941-12-29
NL52549C (en:Method)
GB629881A (en) 1949-09-29
US2340631A (en) 1944-02-01
GB544225A (en) 1942-04-02
CH217330A (de) 1941-10-15
DE1074764B (de) 1960-02-04

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