FR1293571A - Further development of alternating magnet focusing systems for traveling wave tubes - Google Patents

Further development of alternating magnet focusing systems for traveling wave tubes

Info

Publication number
FR1293571A
FR1293571A FR857631A FR857631A FR1293571A FR 1293571 A FR1293571 A FR 1293571A FR 857631 A FR857631 A FR 857631A FR 857631 A FR857631 A FR 857631A FR 1293571 A FR1293571 A FR 1293571A
Authority
FR
France
Prior art keywords
further development
traveling wave
wave tubes
focusing systems
alternating magnet
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
FR857631A
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
Priority to FR857631A priority Critical patent/FR1293571A/en
Priority to US181035A priority patent/US3271616A/en
Priority to GB11584/62A priority patent/GB935323A/en
Application granted granted Critical
Publication of FR1293571A publication Critical patent/FR1293571A/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
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
FR857631A 1961-04-04 1961-04-04 Further development of alternating magnet focusing systems for traveling wave tubes Expired FR1293571A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR857631A FR1293571A (en) 1961-04-04 1961-04-04 Further development of alternating magnet focusing systems for traveling wave tubes
US181035A US3271616A (en) 1961-04-04 1962-03-20 Focusing systems with alternating magnets for traveling wave tubes
GB11584/62A GB935323A (en) 1961-04-04 1962-03-27 Travelling wave tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR857631A FR1293571A (en) 1961-04-04 1961-04-04 Further development of alternating magnet focusing systems for traveling wave tubes

Publications (1)

Publication Number Publication Date
FR1293571A true FR1293571A (en) 1962-05-18

Family

ID=8752274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857631A Expired FR1293571A (en) 1961-04-04 1961-04-04 Further development of alternating magnet focusing systems for traveling wave tubes

Country Status (3)

Country Link
US (1) US3271616A (en)
FR (1) FR1293571A (en)
GB (1) GB935323A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3324339A (en) * 1964-02-27 1967-06-06 Hughes Aircraft Co Periodic permanent magnet electron beam focusing arrangement for traveling-wave tubes having plural interaction cavities in bore of each annular magnet
FR1522411A (en) * 1967-03-14 1968-04-26 Csf Compensation for the effects of temperature in magnetic focusers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867745A (en) * 1953-10-07 1959-01-06 Bell Telephone Labor Inc Periodic magnetic focusing system
US2886738A (en) * 1954-01-29 1959-05-12 Bell Telephone Labor Inc Electron beam system

Also Published As

Publication number Publication date
US3271616A (en) 1966-09-06
GB935323A (en) 1963-08-28

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