FR980473A - Focusing device for traveling wave tubes - Google Patents

Focusing device for traveling wave tubes

Info

Publication number
FR980473A
FR980473A FR980473DA FR980473A FR 980473 A FR980473 A FR 980473A FR 980473D A FR980473D A FR 980473DA FR 980473 A FR980473 A FR 980473A
Authority
FR
France
Prior art keywords
traveling wave
focusing device
wave tubes
tubes
focusing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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.)
Filing date
Publication date
Application filed by CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR980473A publication Critical patent/FR980473A/en
Expired legal-status Critical Current

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
FR980473D 1948-12-16 1948-12-16 Focusing device for traveling wave tubes Expired FR980473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980473T 1948-12-16

Publications (1)

Publication Number Publication Date
FR980473A true FR980473A (en) 1951-05-15

Family

ID=9525293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980473D Expired FR980473A (en) 1948-12-16 1948-12-16 Focusing device for traveling wave tubes

Country Status (1)

Country Link
FR (1) FR980473A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1004299B (en) * 1954-01-20 1957-03-14 Siemens Ag Electron wave tubes for amplifying very short waves
DE1034284B (en) * 1954-01-04 1958-07-17 Rca Corp Low-noise electron beam tubes like a traveling wave tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034284B (en) * 1954-01-04 1958-07-17 Rca Corp Low-noise electron beam tubes like a traveling wave tube
DE1004299B (en) * 1954-01-20 1957-03-14 Siemens Ag Electron wave tubes for amplifying very short waves

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