FR1227990A - Système magnétique pour tube à ondes progressives et ensemble comprenant un tel système - Google Patents

Système magnétique pour tube à ondes progressives et ensemble comprenant un tel système

Info

Publication number
FR1227990A
FR1227990A FR798530A FR798530A FR1227990A FR 1227990 A FR1227990 A FR 1227990A FR 798530 A FR798530 A FR 798530A FR 798530 A FR798530 A FR 798530A FR 1227990 A FR1227990 A FR 1227990A
Authority
FR
France
Prior art keywords
assembly
traveling wave
wave tube
magnetic
magnetic system
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
FR798530A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1227990A publication Critical patent/FR1227990A/fr
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
    • H01J23/0876—Magnetic focusing arrangements with arrangements improving the linearity and homogeniety of the axial field, e.g. field straightener
FR798530A 1958-06-27 1959-06-25 Système magnétique pour tube à ondes progressives et ensemble comprenant un tel système Expired FR1227990A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL229121 1958-06-27

Publications (1)

Publication Number Publication Date
FR1227990A true FR1227990A (fr) 1960-08-26

Family

ID=19751264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798530A Expired FR1227990A (fr) 1958-06-27 1959-06-25 Système magnétique pour tube à ondes progressives et ensemble comprenant un tel système

Country Status (6)

Country Link
US (1) US2988659A (fr)
CH (1) CH379649A (fr)
DE (1) DE1106428B (fr)
FR (1) FR1227990A (fr)
GB (1) GB918016A (fr)
NL (2) NL98136C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250946A (en) * 1961-02-07 1966-05-10 Philips Corp Travelling wave tube, in which an electron beam interacts with a helical delay line, having spurious oscillation suppressing means
BE625032A (fr) * 1961-11-20

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2591350A (en) * 1947-04-26 1952-04-01 Raytheon Mfg Co Traveling-wave electron reaction device
BE521065A (fr) * 1952-07-01
US2741718A (en) * 1953-03-10 1956-04-10 Sperry Rand Corp High frequency apparatus
US2797360A (en) * 1953-03-26 1957-06-25 Int Standard Electric Corp Travelling wave amplifiers
US2867745A (en) * 1953-10-07 1959-01-06 Bell Telephone Labor Inc Periodic magnetic focusing system
US2812470A (en) * 1954-10-22 1957-11-05 Bell Telephone Labor Inc Periodic focusing in traveling wave tubes
GB792002A (en) * 1955-04-12 1958-03-19 Marrison & Catherall Ltd Improvements in centralising means for electronic devices making use of a focussed electron beam
NL209831A (fr) * 1955-10-27
NL99653C (fr) * 1956-03-01
US2791718A (en) * 1956-04-23 1957-05-07 Bell Telephone Labor Inc Magnetic structure for traveling wave tubes

Also Published As

Publication number Publication date
NL98136C (fr)
CH379649A (de) 1964-07-15
DE1106428B (de) 1961-05-10
GB918016A (en) 1963-02-13
US2988659A (en) 1961-06-13
NL229121A (fr)

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