FR2479558B1 - - Google Patents

Info

Publication number
FR2479558B1
FR2479558B1 FR8007294A FR8007294A FR2479558B1 FR 2479558 B1 FR2479558 B1 FR 2479558B1 FR 8007294 A FR8007294 A FR 8007294A FR 8007294 A FR8007294 A FR 8007294A FR 2479558 B1 FR2479558 B1 FR 2479558B1
Authority
FR
France
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
FR8007294A
Other versions
FR2479558A1 (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
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8007294A priority Critical patent/FR2479558A1/fr
Priority to DE8181400418T priority patent/DE3161746D1/de
Priority to EP81400418A priority patent/EP0037309B1/fr
Priority to US06/248,317 priority patent/US4399389A/en
Publication of FR2479558A1 publication Critical patent/FR2479558A1/fr
Application granted granted Critical
Publication of FR2479558B1 publication Critical patent/FR2479558B1/fr
Granted 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
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • 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
FR8007294A 1980-04-01 1980-04-01 Tube a ondes progressives a cavites couplees et focalisation par aimants permanents alternes, et ensemble amplificateur comprenant un tel tube Granted FR2479558A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8007294A FR2479558A1 (fr) 1980-04-01 1980-04-01 Tube a ondes progressives a cavites couplees et focalisation par aimants permanents alternes, et ensemble amplificateur comprenant un tel tube
DE8181400418T DE3161746D1 (en) 1980-04-01 1981-03-18 Travelling-wave tube with coupled cavities and with periodic permanent magnet focussing, and amplifier unit with such a tube
EP81400418A EP0037309B1 (fr) 1980-04-01 1981-03-18 Tube à ondes progressives à cavités couplées et focalisation par aimants permanents alternés, et ensemble amplificateur comprenant un tel tube
US06/248,317 US4399389A (en) 1980-04-01 1981-03-27 Travelling wave tube with coupled cavities and focusing by alternating permanent magnets and amplifying system comprising such a tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8007294A FR2479558A1 (fr) 1980-04-01 1980-04-01 Tube a ondes progressives a cavites couplees et focalisation par aimants permanents alternes, et ensemble amplificateur comprenant un tel tube

Publications (2)

Publication Number Publication Date
FR2479558A1 FR2479558A1 (fr) 1981-10-02
FR2479558B1 true FR2479558B1 (fr) 1983-08-19

Family

ID=9240394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8007294A Granted FR2479558A1 (fr) 1980-04-01 1980-04-01 Tube a ondes progressives a cavites couplees et focalisation par aimants permanents alternes, et ensemble amplificateur comprenant un tel tube

Country Status (4)

Country Link
US (1) US4399389A (fr)
EP (1) EP0037309B1 (fr)
DE (1) DE3161746D1 (fr)
FR (1) FR2479558A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528626A2 (fr) * 1978-12-29 1983-12-16 Thomson Csf Generateur d'ondes radioelectriques pour hyperfrequence
FR2490872A1 (fr) * 1980-09-19 1982-03-26 Thomson Csf Ligne a retard a cavites couplees pour tube a ondes progressives et tube a ondes progressives comportant une telle ligne
DE3248693A1 (de) * 1982-12-30 1984-07-05 Siemens AG, 1000 Berlin und 8000 München Wanderfeldroehre mit periodisch-permanentmagnetischem fokussiersystem
US4942336A (en) 1988-04-18 1990-07-17 Kurt Amboss Traveling-wave tube with confined-flow periodic permanent magnet focusing
FR2687840A1 (fr) * 1992-02-21 1993-08-27 Thomson Tubes Electroniques Tube hyperfrequence a focalisateur allege.
US5332947A (en) * 1992-05-13 1994-07-26 Litton Systems, Inc. Integral polepiece RF amplification tube for millimeter wave frequencies
US5378988A (en) * 1993-01-22 1995-01-03 Pulyer; Yuly M. MRI system having high field strength open access magnet
US5319339A (en) * 1993-03-08 1994-06-07 The United States Of America As Represented By The Secretary Of The Army Tubular structure having transverse magnetic field with gradient
US8049182B2 (en) * 2010-01-12 2011-11-01 Oxford Instruments Nanotechnology Tools Limited Charged particle filter
KR101919417B1 (ko) * 2012-02-07 2018-11-19 삼성전자주식회사 다중 터널을 갖는 전자기파 발진기 및 상기 전자기파 발진기를 포함하는 전자기파 발생 장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1256561A (en) * 1916-05-15 1918-02-19 Motorcycle Sweeper Company Street-sweeper.
NL198576A (fr) * 1954-08-26
NL237015A (fr) * 1958-03-12
DE1296711B (de) * 1963-07-31 1969-06-04 Siemens Ag Lauffeldroehre hoher Leistung, insbesondere fuer Dezimeterwellenbetrieb
JPS4921458B1 (fr) * 1963-10-29 1974-06-01
FR1418392A (fr) * 1964-02-27 1965-11-19 Hughes Aircraft Co Dispositif de concentration de faisceau électronique à aimants permanents périodiques pour tubes à ondes progressives
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
FR1536660A (fr) * 1966-09-29 1968-08-16 Gen Electric Amplificateur biconique à période logarithmique
US3527976A (en) * 1966-09-29 1970-09-08 Gen Electric Log periodic electron discharge device
GB1451956A (en) * 1973-02-16 1976-10-06 English Electric Valve Co Ltd Travelling wave tubes
GB1528155A (en) * 1973-02-16 1978-10-11 English Electric Valve Co Ltd Travelling wave tubes
US4057748A (en) * 1975-03-08 1977-11-08 English Electric Valve Company Ltd. Travelling wave tubes
US3958147A (en) * 1975-06-06 1976-05-18 Hughes Aircraft Company Traveling-wave tube with improved periodic permanent magnet focusing arrangement integrated with coupled cavity slow-wave structure
US4103207A (en) * 1977-03-11 1978-07-25 Litton Systems, Inc. Coupled cavity type traveling wave tube having improved pole piece structure

Also Published As

Publication number Publication date
EP0037309B1 (fr) 1983-12-28
US4399389A (en) 1983-08-16
DE3161746D1 (en) 1984-02-02
EP0037309A1 (fr) 1981-10-07
FR2479558A1 (fr) 1981-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse