NL104829C - - Google Patents

Info

Publication number
NL104829C
NL104829C NL104829DA NL104829C NL 104829 C NL104829 C NL 104829C NL 104829D A NL104829D A NL 104829DA NL 104829 C NL104829 C NL 104829C
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 NL104829C publication Critical patent/NL104829C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/08Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087Magnetic focusing arrangements
    • H01J23/0873Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
NL104829D 1958-02-25 NL104829C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3013172X 1958-02-25

Publications (1)

Publication Number Publication Date
NL104829C true NL104829C (fr)

Family

ID=17895398

Family Applications (2)

Application Number Title Priority Date Filing Date
NL236247D NL236247A (fr) 1958-02-25
NL104829D NL104829C (fr) 1958-02-25

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL236247D NL236247A (fr) 1958-02-25

Country Status (2)

Country Link
US (1) US3013172A (fr)
NL (2) NL104829C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401295A (en) * 1965-05-21 1968-09-10 Hitachi Ltd Periodic permanent magnet focusing system for electron discharge devices
DE3014404C2 (de) * 1979-04-11 1985-04-18 Nippon Electric Co., Ltd., Tokio/Tokyo Lauffeldröhre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797360A (en) * 1953-03-26 1957-06-25 Int Standard Electric Corp Travelling wave amplifiers
US2847607A (en) * 1953-04-29 1958-08-12 Bell Telephone Labor Inc Magnetic focusing system
US2867744A (en) * 1953-09-30 1959-01-06 Bell Telephone Labor Inc Traveling wave tube
US2867745A (en) * 1953-10-07 1959-01-06 Bell Telephone Labor Inc Periodic magnetic focusing system
US2863086A (en) * 1954-02-09 1958-12-02 Bell Telephone Labor Inc Traveling wave tube
US2812470A (en) * 1954-10-22 1957-11-05 Bell Telephone Labor Inc Periodic focusing in traveling wave tubes
GB785110A (en) * 1955-06-28 1957-10-23 Standard Telephones Cables Ltd Electron tube magnetic focusing device

Also Published As

Publication number Publication date
NL236247A (fr)
US3013172A (en) 1961-12-12

Similar Documents

Publication Publication Date Title
AT214638B (fr)
FR1571251A (fr)
AT217439B (fr)
AT221043B (fr)
AT215747B (fr)
AT213908B (fr)
AT216227B (fr)
AT215751B (fr)
AT219815B (fr)
AT216771B (fr)
FR1589352A (fr)
AT217982B (fr)
AT219868B (fr)
AT216831B (fr)
AT216803B (fr)
AT213472B (fr)
AT216749B (fr)
AT216612B (fr)
AT215738B (fr)
AT213558B (fr)
AT214348B (fr)
AT214270B (fr)
AT213557B (fr)
JPS402455B1 (fr)
DE1411505A1 (fr)