DE68913331D1 - Magnetron. - Google Patents

Magnetron.

Info

Publication number: DE68913331D1
Authority: DE; Germany
Prior art keywords: magnetron
Prior art date: 1988-04-25
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

DE89106538T

Other languages

English (en)

Other versions

DE68913331T2 (de

Inventor

Kaoru Uesawa

Yoshio Abe

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.)

Panasonic Corp

Original Assignee

Matsushita 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.)

1988-04-25

Filing date

1989-04-12

Publication date

1994-04-07

1988-04-25 Priority claimed from JP10213388A external-priority patent/JP2594315B2/ja

1988-04-27 Priority claimed from JP10456388A external-priority patent/JP2594316B2/ja

1988-05-17 Priority claimed from JP11959688A external-priority patent/JPH01289050A/ja

1989-04-12 Application filed by Matsushita Electronics Corp filed Critical Matsushita Electronics Corp

1994-04-07 Publication of DE68913331D1 publication Critical patent/DE68913331D1/de

1994-06-09 Application granted granted Critical

1994-06-09 Publication of DE68913331T2 publication Critical patent/DE68913331T2/de

2009-04-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- H01J23/04—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
- 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

DE68913331T 1988-04-25 1989-04-12 Magnetron. Expired - Lifetime DE68913331T2 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP10213388A JP2594315B2 (ja)	1988-04-25	1988-04-25	マグネトロン
JP10456388A JP2594316B2 (ja)	1988-04-27	1988-04-27	マグネトロン
JP11959688A JPH01289050A (ja)	1988-05-17	1988-05-17	マグネトロン

Publications (2)

Publication Number	Publication Date
DE68913331D1 true DE68913331D1 (de)	1994-04-07
DE68913331T2 DE68913331T2 (de)	1994-06-09

Family

ID=27309619

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68913331T Expired - Lifetime DE68913331T2 (de)	1988-04-25	1989-04-12	Magnetron.

Country Status (4)

Country	Link
US (1)	US5021713A (de)
EP (1)	EP0339374B1 (de)
KR (1)	KR920010698B1 (de)
DE (1)	DE68913331T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0339374B1 (de) *	1988-04-25	1994-03-02	Matsushita Electronics Corporation	Magnetron
KR950000718Y1 (ko) *	1989-05-30	1995-02-07	주식회사 금성사	전자레인지용 마그네트론의 쵸크구조
US5294864A (en) *	1991-06-25	1994-03-15	Goldstar Co., Ltd.	Magnetron for microwave oven
EP0543687B1 (de) *	1991-11-20	1996-08-14	Lg Electronics Inc.	Magnetron für einen Mikrowellenherd
JPH05217512A (ja) *	1992-02-04	1993-08-27	Matsushita Electron Corp	マグネトロン装置
KR950002361Y1 (ko) *	1992-03-27	1995-03-31	이헌조	전자레인지용 마그네트론의 기본파 및 고조파 노이즈 성분 누설방지장치
KR0160810B1 (ko) *	1994-08-29	1998-12-01	구자홍	전자레인지의 마그네트론 장치
KR0166875B1 (ko) *	1995-10-27	1999-01-15	구자홍	전자레인지용 마그네트론의 안테나 피더와 배기관구조
KR100212856B1 (ko) *	1996-02-23	1999-08-02	윤종용	전자렌지의 고주파누설 차단장치
JP2002056784A (ja) *	2000-08-10	2002-02-22	Sanyo Electric Co Ltd	マグネトロン
JP2005093330A (ja) *	2003-09-19	2005-04-07	Matsushita Electric Ind Co Ltd	マグネトロン陰極構体
KR100763387B1 (ko) *	2005-02-28	2007-10-05	엘지전자 주식회사	마그네트론
JP2008108581A (ja) *	2006-10-25	2008-05-08	Matsushita Electric Ind Co Ltd	マグネトロン
KR101974213B1 (ko) *	2016-10-24	2019-08-23	엘지전자 주식회사	전자레인지용 마그네트론

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB605253A (en) *	1944-12-21	1948-07-19	Sperry Gyroscope Co Inc	Improvements in and relating to concentric-conductor transmission lines
DE1049011B (de) *	1957-10-26	1959-01-22	Telefunken Gmbh	Anordnung zur Ankopplung einer Hochfrequenzleitung an die vorzugsweise wendelfoermige Verzoegerungsleitung einer elektrischen Entladungseinrichtung nach Art einer Lauffeldroehre
FR2038783A5 (de) *	1969-03-28	1971-01-08	Thomson Csf
US3849737A (en) *	1972-12-18	1974-11-19	Hitachi Ltd	Magnetron with choke structure for reducing harmonics in output
FR2276685A1 (fr) *	1974-06-28	1976-01-23	Thomson Csf	Dispositif d'attenuation d'ondes parasites tres courtes, utilisable notamment dans des tubes electroniques, et tubes comportant de tels dispositifs
JPS5255967A (en) *	1975-10-27	1977-05-07	Yoshinobu Mitsui	Process for strengthening growth stimulater
JPS61156624A (ja) *	1984-12-28	1986-07-16	Toshiba Corp	電子レンジ用マグネトロン
JPS62122028A (ja) *	1985-06-07	1987-06-03	Toshiba Corp	電子レンジ用マグネトロン
DE3671568D1 (de) *	1985-06-07	1990-06-28	Toshiba Kawasaki Kk	Magnetron fuer einen mikrowellenofen.
JPS61288347A (ja) *	1985-06-14	1986-12-18	Toshiba Corp	電子レンジ用マグネトロン
DE3787145T2 (de) *	1986-10-06	1993-12-09	Toshiba Kawasaki Kk	Magnetron für einen Mikrowellenherd.
US4833367A (en) *	1986-11-21	1989-05-23	Hitachi, Ltd.	Magnetron with resonant choke structure for supressing unwanted harmonics
EP0339374B1 (de) *	1988-04-25	1994-03-02	Matsushita Electronics Corporation	Magnetron

1989
- 1989-04-12 EP EP89106538A patent/EP0339374B1/de not_active Expired - Lifetime
- 1989-04-12 DE DE68913331T patent/DE68913331T2/de not_active Expired - Lifetime
- 1989-04-14 US US07/338,022 patent/US5021713A/en not_active Expired - Lifetime
- 1989-04-25 KR KR1019890005438A patent/KR920010698B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
KR900017075A (ko)	1990-11-15
EP0339374A1 (de)	1989-11-02
US5021713A (en)	1991-06-04
KR920010698B1 (ko)	1992-12-12
DE68913331T2 (de)	1994-06-09
EP0339374B1 (de)	1994-03-02

Publication	Publication Date	Title
FI891278A0 (fi)	1989-03-17	Reningstablett foer loestaender.
FI895816A0 (fi)	1989-12-05	Detektionssystem foer dentalroentgenbild.
DE68901343D1 (de)	1992-06-04	Magnetron.
FI881755A0 (fi)	1988-04-14	Faestmekanism foer ackumulator.
FI904561A0 (fi)	1990-09-17	Modifierade hydrofila polyestrar.
DE68913331D1 (de)	1994-04-07	Magnetron.
DE3783306D1 (de)	1993-02-11	Magnetron.
FI893541A (fi)	1990-01-29	Nytt uttryckningssystem.
FI883245A (fi)	1990-01-08	Hissmaskineri ii.
FI882419A0 (fi)	1988-05-23	Elementhus.
FI892217A0 (fi)	1989-05-09	Dendritresistent sammansaettning.
FI891294A0 (fi)	1989-03-20	Modifierade terpolymer-emulsioner.
DE3789954D1 (de)	1994-07-07	Magnetron.
DE3765016D1 (de)	1990-10-25	Magnetron.
KR890020007U (ko)	1989-10-05	마그네트론
KR900007413U (ko)	1990-04-04	마그네트론
FI882754A0 (fi)	1988-06-10	Haorvaordsmedel.
FI882446A0 (fi)	1988-05-24	Steriliseringspaose.
FI880112A0 (fi)	1988-01-12	Vikbar lyftdoerr.
FI884415A0 (fi)	1988-09-27	Skalningsapparat.
FI884120A (fi)	1990-03-08	Slipnings- eller poleringshandske.
FI883640A (fi)	1990-02-05	Paolaeggningsapparat foer buntlapp.
FI880621A0 (fi)	1988-02-11	Anordning foer noejespark.
FI882671A (fi)	1989-12-07	Sugmudderverk.
FI881991A (fi)	1989-10-29	Flotationsanlaeggning.

Legal Events

Date	Code	Title	Description
1995-03-30	8364	No opposition during term of opposition
2002-06-06	8327	Change in the person/name/address of the patent owner	Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., KADOMA,
2009-05-07	8327	Change in the person/name/address of the patent owner	Owner name: PANASONIC CORP., KADOMA, OSAKA, JP