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ES2031643T3 - Magnetron. - Google Patents

Magnetron.

Info

Publication number
ES2031643T3
ES2031643T3 ES198989101944T ES89101944T ES2031643T3 ES 2031643 T3 ES2031643 T3 ES 2031643T3 ES 198989101944 T ES198989101944 T ES 198989101944T ES 89101944 T ES89101944 T ES 89101944T ES 2031643 T3 ES2031643 T3 ES 2031643T3
Authority
ES
Spain
Prior art keywords
magnetron
catode
pallets
filament
suppress
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 - Lifetime
Application number
ES198989101944T
Other languages
English (en)
Inventor
Masayuki Aiga
Kazuki Miki
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of ES2031643T3 publication Critical patent/ES2031643T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • 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
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/54—Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587—Multi-cavity magnetrons

Landscapes

  • Microwave Tubes (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

LA SUPERFICIE INTERIOR DE LA FLANJA (6) DE LA PARTE SUPERIOR CILINDRICA (7) QUE SOPORTE UN EXTREMO DE UN FILAMENTO (5) DEL CATODO (3) ESTA SITUADA EN UNA POSICION PROXIMA AL ESPACIO DE INTERACCION (4) MEDIANTE UNA LONGITUD (A) DE ENTRE 0,1 A 0,6 MM DESDE LAS PRIMERAS SUPERFICIES EXTREMAS DE LAS PALETAS (2) A LO LARGO DE LA DIRECCION AXIAL, PARA SUPRIMIR LA QUINTA HARMONICA NO DESEADA GENERADA CON MICROONDAS DE FRECUENCIA BASICA EN ESE MOMENTO
ES198989101944T 1988-02-03 1989-02-03 Magnetron. Expired - Lifetime ES2031643T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2458488 1988-02-03

Publications (1)

Publication Number Publication Date
ES2031643T3 true ES2031643T3 (es) 1992-12-16

Family

ID=12142209

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989101944T Expired - Lifetime ES2031643T3 (es) 1988-02-03 1989-02-03 Magnetron.

Country Status (6)

Country Link
US (1) US5049782A (es)
EP (1) EP0327116B1 (es)
JP (1) JPH0230036A (es)
KR (1) KR910009986B1 (es)
DE (1) DE68901343D1 (es)
ES (1) ES2031643T3 (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940005989Y1 (ko) * 1991-11-20 1994-08-31 주식회사 금성사 전자레인지용 마그네트론
US5635798A (en) * 1993-12-24 1997-06-03 Hitachi, Ltd. Magnetron with reduced dark current
US5635797A (en) * 1994-03-09 1997-06-03 Hitachi, Ltd. Magnetron with improved mode separation
KR0176847B1 (ko) * 1995-10-30 1999-03-20 구자홍 마그네트론
JP3443235B2 (ja) * 1996-03-18 2003-09-02 三洋電機株式会社 マグネトロン
RU2148869C1 (ru) * 1998-06-02 2000-05-10 ЗАО "ОКБ Тантал" Многорезонаторный магнетрон с асимметричным выводом энергии
KR100346420B1 (ko) * 2000-01-18 2002-08-01 엘지전자주식회사 마그네트론
RU2208872C2 (ru) * 2001-05-07 2003-07-20 ЗАО "Тантал-Наука" Магнетрон поверхностной волны с асимметричным щелевым выводом энергии
JP2004103550A (ja) * 2002-07-18 2004-04-02 Matsushita Electric Ind Co Ltd マグネトロン
KR20040011638A (ko) * 2002-07-27 2004-02-11 삼성전자주식회사 마그네트론
KR20040013309A (ko) * 2002-08-05 2004-02-14 삼성전자주식회사 마그네트론
JP4252274B2 (ja) * 2002-09-26 2009-04-08 新日本無線株式会社 マグネトロン
KR20040050264A (ko) * 2002-12-10 2004-06-16 삼성전자주식회사 마그네트론, 전자렌지 및 고주파가열기
KR100519340B1 (ko) * 2003-01-16 2005-10-07 엘지전자 주식회사 마그네트론용 소형 아노드
JP2005259508A (ja) * 2004-03-11 2005-09-22 Toshiba Hokuto Electronics Corp 電子レンジ用マグネトロン
KR100774469B1 (ko) * 2006-01-05 2007-11-08 엘지전자 주식회사 전자레인지용 마그네트론
EP1840933B1 (en) 2006-03-27 2012-02-15 Panasonic Corporation Magnetron
US20070266476A1 (en) * 2006-05-08 2007-11-22 Ellen Siegel Ulrich Head Covering With Magnetic Closure
JP2008108581A (ja) * 2006-10-25 2008-05-08 Matsushita Electric Ind Co Ltd マグネトロン
JP4503639B2 (ja) * 2007-09-11 2010-07-14 東芝ホクト電子株式会社 電子レンジ用マグネトロン
CN102054646B (zh) * 2010-12-02 2015-12-16 广东格兰仕集团有限公司 一种八腔小功率磁控管及其设计步骤
JP6171162B2 (ja) * 2011-12-06 2017-08-02 パナソニックＩｐマネジメント株式会社 マイクロ波利用機器
JP5805842B1 (ja) 2014-12-03 2015-11-10 東芝ホクト電子株式会社 マグネトロン
US11277889B2 (en) * 2018-03-09 2022-03-15 Koninkiijke Fabriek Inventum B.V. Adaptive preheating and filament current control for magnetron power supply
CN115732290A (zh) * 2021-08-31 2023-03-03 广东威特真空电子制造有限公司 微波发生装置和家用电器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454031A (en) * 1944-07-29 1948-11-16 Gen Electric Electric discharge device of the magnetron type
US2957100A (en) * 1957-08-27 1960-10-18 Philips Corp Magnetron cathode structure
FR1200354A (fr) * 1958-04-23 1959-12-21 Lignes Telegraph Telephon Perfectionnements aux magnétrons hyperfréquences à puissance élevée
CH466454A (de) * 1967-11-23 1968-12-15 Patelhold Patentverwertung Breitband-Filter am Ausgang eines Hochfrequenz-Generators für dielektrische Erwärmung
US3659232A (en) * 1970-02-24 1972-04-25 Rca Corp Transmission line filter
JPS589537B2 (ja) * 1975-09-19 1983-02-21 株式会社日立製作所 マグネトロン
US4006382A (en) * 1975-09-24 1977-02-01 Raytheon Company Magnetron filter
JPS5413248A (en) * 1977-07-01 1979-01-31 Hitachi Ltd Magnetron
US4223246A (en) * 1977-07-01 1980-09-16 Raytheon Company Microwave tubes incorporating rare earth magnets
JPS5818637Y2 (ja) * 1978-07-25 1983-04-15 日立金属株式会社 回転炉
JPS567333A (en) * 1979-06-30 1981-01-26 Toshiba Corp Magnetron
JPS6217973Y2 (es) * 1980-04-30 1987-05-08
JPS6032946A (ja) * 1983-08-03 1985-02-20 Yanmar Diesel Engine Co Ltd 内燃機関用ガバナ
JPS6145340A (ja) * 1984-08-09 1986-03-05 Fujitsu Denso Ltd 暴走監視方式
JPS61281435A (ja) * 1985-05-02 1986-12-11 Sanyo Electric Co Ltd マグネトロン
JPH06101304B2 (ja) * 1986-03-26 1994-12-12 株式会社日立製作所 マグネトロン

Also Published As

Publication number Publication date
JPH0569252B2 (es) 1993-09-30
EP0327116A1 (en) 1989-08-09
KR890013692A (ko) 1989-09-25
EP0327116B1 (en) 1992-04-29
US5049782A (en) 1991-09-17
JPH0230036A (ja) 1990-01-31
KR910009986B1 (ko) 1991-12-09
DE68901343D1 (de) 1992-06-04

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