BE427143A - - Google Patents

Info

Publication number
BE427143A
BE427143A BE427143DA BE427143A BE 427143 A BE427143 A BE 427143A BE 427143D A BE427143D A BE 427143DA BE 427143 A BE427143 A BE 427143A
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 BE427143A publication Critical patent/BE427143A/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
    • H01J1/32—Secondary-electron-emitting electrodes
BE427143D 1937-03-25 BE427143A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL207131X 1937-03-25

Publications (1)

Publication Number Publication Date
BE427143A true BE427143A (en:Method)

Family

ID=19778610

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427143D BE427143A (en:Method) 1937-03-25

Country Status (4)

Country Link
US (1) US2198329A (en:Method)
BE (1) BE427143A (en:Method)
CH (1) CH207131A (en:Method)
FR (1) FR835633A (en:Method)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874176C (de) * 1939-03-25 1953-04-20 Sueddeutsche Telefon App Sekundaerelektronenvervielfacher mit Gluehkathode
DE857535C (de) * 1939-08-08 1952-12-01 Telefunken Gmbh Prallelektrode zur Sekundaerelektronen-Vervielfachung
DE895629C (de) * 1940-07-31 1953-11-05 Zeiss Ikon Ag Verfahren zur Herstellung von Sekundaeremissionskathoden
BE446289A (en:Method) * 1941-07-03
US2457947A (en) * 1942-12-21 1949-01-04 Albert G Thomas High-frequency oscillation tube
US2548514A (en) * 1945-08-23 1951-04-10 Bramley Jenny Process of producing secondaryelectron-emitting surfaces
GB670554A (en) * 1945-11-07 1952-04-23 Emi Ltd Improvements in or relating to electron discharge devices employing secondary electron emission and electrodes for use therein
US2540635A (en) * 1948-05-27 1951-02-06 Rca Corp Cesiated monoscope
US2600112A (en) * 1948-06-30 1952-06-10 Sylvania Electric Prod Electron emitter
NL77182C (en:Method) * 1948-12-04
US2722490A (en) * 1950-07-24 1955-11-01 Bell Telephone Labor Inc Germanium elements and methods of preparing same
US2730640A (en) * 1951-08-08 1956-01-10 Gen Electric Secondary electron emitting system
DE1015947B (de) * 1951-10-23 1957-09-19 Telefunken Gmbh Verstaerkerroehre mit hohem elektronischem Eingangswiderstand
DE1078240B (de) * 1953-12-17 1960-03-24 Siemens Ag Elektronenroehre zur Verstaerkung von Signalen, z. B. nach Art einer Hexode
US2802127A (en) * 1954-02-03 1957-08-06 Dobischek Dietrich Dynode coating
US2846338A (en) * 1954-08-03 1958-08-05 William G Shepherd Secondary electron emitter
US2887597A (en) * 1955-10-27 1959-05-19 Hughes Aircraft Co Storage screen for direct-viewing storage tube
US3410716A (en) * 1965-04-01 1968-11-12 Trw Inc Coating of refractory metals with metal modified oxides

Also Published As

Publication number Publication date
CH207131A (de) 1939-09-30
US2198329A (en) 1940-04-23
FR835633A (fr) 1938-12-27

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