EP1814364A3 - Magnétron - Google Patents

Magnétron Download PDF

Info

Publication number
EP1814364A3
EP1814364A3 EP07290106.9A EP07290106A EP1814364A3 EP 1814364 A3 EP1814364 A3 EP 1814364A3 EP 07290106 A EP07290106 A EP 07290106A EP 1814364 A3 EP1814364 A3 EP 1814364A3
Authority
EP
European Patent Office
Prior art keywords
suppressing
higher harmonic
high frequency
wave
magnetron
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.)
Granted
Application number
EP07290106.9A
Other languages
German (de)
English (en)
Other versions
EP1814364B1 (fr
EP1814364A2 (fr
Inventor
M. c/o Toshiba Hokuto Electronics Corp. Higashi
Toshio Toshiba Corp. IP Division Kawaguchi
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.)
Toshiba Hokuto Electronics Corp
Original Assignee
Toshiba Hokuto Electronics Corp
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 Toshiba Hokuto Electronics Corp filed Critical Toshiba Hokuto Electronics Corp
Publication of EP1814364A2 publication Critical patent/EP1814364A2/fr
Publication of EP1814364A3 publication Critical patent/EP1814364A3/fr
Application granted granted Critical
Publication of EP1814364B1 publication Critical patent/EP1814364B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01J23/14—Leading-in arrangements; Seals therefor
    • H01J23/15—Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/72—Radiators or antennas
    • 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
    • H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
    • H01J23/44—Rod-type coupling devices
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/74—Mode transformers or mode stirrers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Tubes (AREA)
EP07290106.9A 2006-01-30 2007-01-26 Magnétron Active EP1814364B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006020215A JP4898234B2 (ja) 2006-01-30 2006-01-30 マグネトロン

Publications (3)

Publication Number Publication Date
EP1814364A2 EP1814364A2 (fr) 2007-08-01
EP1814364A3 true EP1814364A3 (fr) 2013-04-17
EP1814364B1 EP1814364B1 (fr) 2019-08-21

Family

ID=38006095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07290106.9A Active EP1814364B1 (fr) 2006-01-30 2007-01-26 Magnétron

Country Status (4)

Country Link
EP (1) EP1814364B1 (fr)
JP (1) JP4898234B2 (fr)
KR (1) KR100811384B1 (fr)
CN (1) CN100583369C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104253009A (zh) * 2013-06-27 2014-12-31 乐金电子(天津)电器有限公司 微波炉用磁控管的天线固定结构
KR102082506B1 (ko) * 2018-02-09 2020-02-27 엘지전자 주식회사 고조파 차폐 성능이 개선된 마그네트론

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325780A (en) * 1997-05-31 1998-12-02 Lg Electronics Inc A choke for a magnetron of a microwave oven
EP1391909A2 (fr) * 2002-07-31 2004-02-25 Matsushita Electric Industrial Co., Ltd. Magnétron
EP1521288A2 (fr) * 2003-07-30 2005-04-06 Toshiba Hokuto Electronics Corporation Magnétron pour four à micro-ondes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62122028A (ja) * 1985-06-07 1987-06-03 Toshiba Corp 電子レンジ用マグネトロン
JPH02230640A (ja) * 1989-03-03 1990-09-13 Hitachi Ltd マグネトロン
JPH1125870A (ja) * 1997-06-27 1999-01-29 Sanyo Electric Co Ltd マグネトロン
JP2004103550A (ja) * 2002-07-18 2004-04-02 Matsushita Electric Ind Co Ltd マグネトロン

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325780A (en) * 1997-05-31 1998-12-02 Lg Electronics Inc A choke for a magnetron of a microwave oven
EP1391909A2 (fr) * 2002-07-31 2004-02-25 Matsushita Electric Industrial Co., Ltd. Magnétron
EP1521288A2 (fr) * 2003-07-30 2005-04-06 Toshiba Hokuto Electronics Corporation Magnétron pour four à micro-ondes

Also Published As

Publication number Publication date
EP1814364B1 (fr) 2019-08-21
KR100811384B1 (ko) 2008-03-07
EP1814364A2 (fr) 2007-08-01
CN101013646A (zh) 2007-08-08
JP4898234B2 (ja) 2012-03-14
JP2007200790A (ja) 2007-08-09
CN100583369C (zh) 2010-01-20
KR20070078795A (ko) 2007-08-02

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