DE3789954D1 - Magnetron. - Google Patents

Magnetron.

Info

Publication number
DE3789954D1
DE3789954D1 DE3789954T DE3789954T DE3789954D1 DE 3789954 D1 DE3789954 D1 DE 3789954D1 DE 3789954 T DE3789954 T DE 3789954T DE 3789954 T DE3789954 T DE 3789954T DE 3789954 D1 DE3789954 D1 DE 3789954D1
Authority
DE
Germany
Prior art keywords
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.)
Expired - Fee Related
Application number
DE3789954T
Other languages
English (en)
Other versions
DE3789954T2 (de
Inventor
Shingo Okamoto
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 Corp
Original Assignee
Toshiba 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 Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3789954D1 publication Critical patent/DE3789954D1/de
Publication of DE3789954T2 publication Critical patent/DE3789954T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
DE3789954T 1987-01-28 1987-12-15 Magnetron. Expired - Fee Related DE3789954T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62016127A JPS63187537A (ja) 1987-01-28 1987-01-28 マグネトロン

Publications (2)

Publication Number Publication Date
DE3789954D1 true DE3789954D1 (de) 1994-07-07
DE3789954T2 DE3789954T2 (de) 1994-11-03

Family

ID=11907834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3789954T Expired - Fee Related DE3789954T2 (de) 1987-01-28 1987-12-15 Magnetron.

Country Status (5)

Country Link
US (1) US4888520A (de)
EP (1) EP0276446B1 (de)
JP (1) JPS63187537A (de)
KR (1) KR900008641B1 (de)
DE (1) DE3789954T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0176876B1 (ko) * 1995-12-12 1999-03-20 구자홍 마그네트론
US6228149B1 (en) 1999-01-20 2001-05-08 Patterson Technique, Inc. Method and apparatus for moving, filtering and ionizing air

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR453376A (fr) * 1912-12-07 1913-06-06 Philips Metaal Gloeilampenfabr Méthode de fixation du filament dans les lampes électriques à filament métallique
US2198919A (en) * 1939-03-21 1940-04-30 Gen Electric Electric lamp
US2396674A (en) * 1943-03-19 1946-03-19 Tung Sol Lamp Works Inc Electric incandescent lamp bulb for vehicle lamps
JPS5360159A (en) * 1976-11-10 1978-05-30 Matsushita Electronics Corp Magnetron
US4684845A (en) * 1984-05-07 1987-08-04 Hitachi, Ltd. Magnetron cathode assembly with grooved insulating spacer

Also Published As

Publication number Publication date
EP0276446A2 (de) 1988-08-03
US4888520A (en) 1989-12-19
KR880009411A (ko) 1988-09-15
EP0276446A3 (en) 1990-06-13
DE3789954T2 (de) 1994-11-03
JPS63187537A (ja) 1988-08-03
EP0276446B1 (de) 1994-06-01
KR900008641B1 (ko) 1990-11-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee