NL200487A - - Google Patents

Info

Publication number
NL200487A
NL200487A NL200487DA NL200487A NL 200487 A NL200487 A NL 200487A NL 200487D A NL200487D A NL 200487DA NL 200487 A NL200487 A NL 200487A
Authority
NL
Netherlands
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 NL200487A publication Critical patent/NL200487A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
NL200487D 1954-09-21 NL200487A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE787290X 1954-09-21

Publications (1)

Publication Number Publication Date
NL200487A true NL200487A (enrdf_load_stackoverflow)

Family

ID=6699202

Family Applications (1)

Application Number Title Priority Date Filing Date
NL200487D NL200487A (enrdf_load_stackoverflow) 1954-09-21

Country Status (2)

Country Link
US (1) US2941111A (enrdf_load_stackoverflow)
NL (1) NL200487A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999959A (en) * 1960-04-04 1961-09-12 Bell Telephone Labor Inc Traveling wave tube
US3255370A (en) * 1961-11-17 1966-06-07 Sylvania Electric Prod High convergence electron gun with magnetically shielded cathode
US3387167A (en) * 1964-11-06 1968-06-04 Varian Associates Linear beam microwave tube having pole caps providing a tapered magnetic field along the beam axis

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159534A (en) * 1935-07-23 1939-05-23 Firm Fernseh Ag Cathode ray focusing coil
GB515308A (en) * 1938-05-25 1939-12-01 Miller Harold Improvements in or relating to magnetic electron lenses
USRE22389E (en) * 1940-07-13 1943-11-02 Electron beam concentrating
US2687490A (en) * 1949-09-22 1954-08-24 Sperry Corp High-frequency beam tube device
NL89376C (enrdf_load_stackoverflow) * 1950-06-17
BE516533A (enrdf_load_stackoverflow) * 1951-12-29
US2822500A (en) * 1952-04-08 1958-02-04 Itt Traveling wave electron discharge devices
US2844754A (en) * 1953-04-29 1958-07-22 Bell Telephone Labor Inc Electron beam focusing system
NL209831A (enrdf_load_stackoverflow) * 1955-10-27

Also Published As

Publication number Publication date
US2941111A (en) 1960-06-14

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