KR870000739A - Microwave Magnetron - Google Patents

Microwave Magnetron Download PDF

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Publication number
KR870000739A
KR870000739A KR1019860004565A KR860004565A KR870000739A KR 870000739 A KR870000739 A KR 870000739A KR 1019860004565 A KR1019860004565 A KR 1019860004565A KR 860004565 A KR860004565 A KR 860004565A KR 870000739 A KR870000739 A KR 870000739A
Authority
KR
South Korea
Prior art keywords
choke
opening
metal container
magnetron
anode
Prior art date
Application number
KR1019860004565A
Other languages
Korean (ko)
Other versions
KR890004840B1 (en
Inventor
히사오 사이또오
노리오 다시로
무네다까 미노
헤이하찌 미우라
Original Assignee
가부시끼가이샤 도시바
와다리 스기 이찌로오
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
Priority claimed from JP1985100486U external-priority patent/JPS6210350U/ja
Application filed by 가부시끼가이샤 도시바, 와다리 스기 이찌로오 filed Critical 가부시끼가이샤 도시바
Publication of KR870000739A publication Critical patent/KR870000739A/en
Application granted granted Critical
Publication of KR890004840B1 publication Critical patent/KR890004840B1/en

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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
    • 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

Abstract

내용 없음.No content.

Description

전자레인지용 마그네트론Microwave Magnetron

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 한 실시예를 나타낸 주요부의 종단면도.1 is a longitudinal sectional view of an essential part showing an embodiment of the present invention.

제2도는 제1도의 선 2-2에 있어서의 횡단면도.2 is a cross sectional view taken along the line 2-2 of FIG.

제3도는 본 발명 실시예와 종래의 구조인 고주파 억제레벨을 비교하여 나타낸 특성도.3 is a characteristic diagram showing a comparison between the embodiment of the present invention and the high frequency suppression level of the conventional structure.

Claims (5)

캐소드와 이 캐소드의 주위에 배치된 공진공등이 있는 통형의 애노드와 이 애노드의 일부에 밀폐봉착되고, 애노드와 함꼐 진공외곽 용기를 형성하며, 이 외곽용기내에 공간의 일부를 구별하고, 또한 개구부가 있는 통형의 금슥용기와 이 금속용기의 전숱한 개구부에 밀페되도록 이어 맞추어진 출력부 절연통과 일단부가 전술한 애노드의 공진공동에 전기적으로 결합되고, 전술한 금속용기의 개구부를 관통하여 절연통의 내부쪽의 공간을 통해서 연장된 출력 안테나 리이드와 전슬한 금속용기의 내부쪽에 통형 도전체에 의해서 전술한 안테나 리이드를 둘러싸고 임의의 고조파파장의 약 1/4를 깊이의 고리모양의 홈으로 된 쵸크가 형성되어서 된 전자 레인지용 마그네트론에 있어서, 전술한 안테나 리이드가 관통하는 개구부의 내부지름을 제4고조파이상의 임의의 특정된 고차고조파의 파장의 약 1/2, 또는 그 이하의 치수로 설정하는 장치와 전술한 금속용기의 내부쪽 공간에 개구부가 설치되어 전술한 고차고조파에 대하여 복사억제작용을 나타내는 고리모양의 홈이 있으며 이 개구부 또는 그 근처의 반지름 방향의 폭이 그 고조파 파장의 1/10 이하로 형성된 쵸크를 구비하여서 된 것을 특징으로 하는 전자 레인지용 마그네트론.A cylindrical anode with a cathode and a resonant cavity disposed around the cathode and a part of the anode are hermetically sealed to form a vacuum outer container together with the anode, and to distinguish a part of the space within the outer container, and also to the opening. And an output part insulated tube and one end electrically coupled to all the various openings of the metal container, and electrically connected to the resonant cavity of the above-described anode, and penetrating the opening of the metal container described above. An output antenna lead extending through the inner space and a cylindrical conductor in the inner side of the metal container surround the antenna lead described above, and a choke of about a quarter of any harmonic wavelength is formed as a ring-shaped groove of depth. In the formed microwave oven, a fourth harmonic pie is used to determine an inner diameter of an opening through which the antenna lead is passed. A device for setting the device to a dimension of about 1/2 or less of the wavelength of any specified higher harmonic of and an opening provided in the inner space of the above-described metal container, the ring exhibiting radiation suppression effect on the above-described higher harmonic. A magnetron for a microwave oven having a groove having a shape and having a choke formed in the radial direction of the opening or its vicinity at 1/10 or less of the harmonic wavelength. 제1항에 있어서, 금속용기에 초크가 고정된 것을 특징으로 하는 마그네트론.The magnetron of claim 1, wherein the choke is fixed to the metal container. 제1항에 있여서, 금속용기가 쵸크의 일부를 형성하여서 된 것을 특징으로 하는 마그네트론.The magnetron according to claim 1, wherein the metal container forms part of the choke. 제1항에 있어서 개구부 벽을 쵸크의 일부를 헝성하는 실린더로 구분하여서 된 것을 특징으로 하는 마그네트론.The magnetron according to claim 1, wherein the opening wall is divided into cylinders which form part of the choke. 제1항에 있어서, 쵸크는 안테나 리이드에 고정된 것을 특징으로 하는 마그네트론.The magnetron of claim 1, wherein the choke is fixed to the antenna lead. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860004565A 1985-06-07 1986-06-07 Magnetron KR890004840B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP12260685 1985-06-07
JP122606 1985-06-07
JP60-122606 1985-06-07
JP1985100486U JPS6210350U (en) 1985-07-03 1985-07-03
JP100486 1988-04-21

Publications (2)

Publication Number Publication Date
KR870000739A true KR870000739A (en) 1987-02-20
KR890004840B1 KR890004840B1 (en) 1989-11-29

Family

ID=26441500

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860004565A KR890004840B1 (en) 1985-06-07 1986-06-07 Magnetron

Country Status (3)

Country Link
EP (1) EP0205316B1 (en)
KR (1) KR890004840B1 (en)
DE (1) DE3671568D1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833367A (en) * 1986-11-21 1989-05-23 Hitachi, Ltd. Magnetron with resonant choke structure for supressing unwanted harmonics
EP0339374B1 (en) * 1988-04-25 1994-03-02 Matsushita Electronics Corporation A magnetron
DE69024330T2 (en) * 1989-10-31 1996-06-27 Toshiba Kawasaki Kk Microwave oven magnetron with a filter structure
US5180946A (en) * 1990-02-15 1993-01-19 Sanyo Electric Co., Ltd. Magnetron having coaxial choke means extending into the output side insulating tube space
KR100209690B1 (en) * 1997-05-31 1999-07-15 구자홍 Magnetron for microwave oven
KR19990001481A (en) * 1997-06-16 1999-01-15 구자홍 magnetron
JP3622742B2 (en) * 2002-07-31 2005-02-23 松下電器産業株式会社 Magnetron
JP6723043B2 (en) * 2016-03-25 2020-07-15 東芝ホクト電子株式会社 Magnetron
KR102082506B1 (en) 2018-02-09 2020-02-27 엘지전자 주식회사 Magnetron having enhanced harmonics shielding performance

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH466454A (en) * 1967-11-23 1968-12-15 Patelhold Patentverwertung Broadband filter at the output of a high frequency generator for dielectric heating
US3849737A (en) * 1972-12-18 1974-11-19 Hitachi Ltd Magnetron with choke structure for reducing harmonics in output
US3872412A (en) * 1974-04-26 1975-03-18 Bell Telephone Labor Inc Dielectric-loaded chokes
US4006382A (en) * 1975-09-24 1977-02-01 Raytheon Company Magnetron filter
NL7700417A (en) * 1977-01-17 1978-07-19 Philips Nv CAVICE MICROWAVE EQUIPPED WITH AN ANTENNA COUPLING SYSTEM.
JPS5824371Y2 (en) * 1977-09-27 1983-05-25 株式会社東芝 magnetron
NL7907593A (en) * 1979-10-15 1981-04-21 Philips Nv MICROWAVE.
JPS6217973Y2 (en) * 1980-04-30 1987-05-08

Also Published As

Publication number Publication date
EP0205316B1 (en) 1990-05-23
DE3671568D1 (en) 1990-06-28
KR890004840B1 (en) 1989-11-29
EP0205316A1 (en) 1986-12-17

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