GB8927800D0 - Magnetrons - Google Patents

Magnetrons

Info

Publication number
GB8927800D0
GB8927800D0 GB898927800A GB8927800A GB8927800D0 GB 8927800 D0 GB8927800 D0 GB 8927800D0 GB 898927800 A GB898927800 A GB 898927800A GB 8927800 A GB8927800 A GB 8927800A GB 8927800 D0 GB8927800 D0 GB 8927800D0
Authority
GB
United Kingdom
Prior art keywords
magnetrons
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
GB898927800A
Other versions
GB2238903A (en
GB2238903B (en
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.)
Teledyne UK Ltd
Original Assignee
EEV 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 EEV Ltd filed Critical EEV Ltd
Priority to GB8927800A priority Critical patent/GB2238903B/en
Publication of GB8927800D0 publication Critical patent/GB8927800D0/en
Publication of GB2238903A publication Critical patent/GB2238903A/en
Application granted granted Critical
Publication of GB2238903B publication Critical patent/GB2238903B/en
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
    • 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
GB8927800A 1989-12-08 1989-12-08 Magnetrons Expired - Fee Related GB2238903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8927800A GB2238903B (en) 1989-12-08 1989-12-08 Magnetrons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8927800A GB2238903B (en) 1989-12-08 1989-12-08 Magnetrons

Publications (3)

Publication Number Publication Date
GB8927800D0 true GB8927800D0 (en) 1990-02-14
GB2238903A GB2238903A (en) 1991-06-12
GB2238903B GB2238903B (en) 1994-10-19

Family

ID=10667648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8927800A Expired - Fee Related GB2238903B (en) 1989-12-08 1989-12-08 Magnetrons

Country Status (1)

Country Link
GB (1) GB2238903B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317741B (en) * 1995-12-12 1999-02-17 Lg Electronics Inc Magnetron
KR0176876B1 (en) * 1995-12-12 1999-03-20 구자홍 Magnetron

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE474423A (en) * 1946-03-28
US2640951A (en) * 1949-06-25 1953-06-02 Int Standard Electric Corp Microwave amplifier of the magnetron type
NL77788C (en) * 1950-05-08
FR1088137A (en) * 1952-12-08 1955-03-03 Telefunken Gmbh Magnetron
JPS5496964A (en) * 1978-01-18 1979-07-31 Toshiba Corp Magnetron
GB2029632B (en) * 1978-09-02 1982-08-11 English Electric Valve Co Ltd Magnetrons
GB2214704B (en) * 1988-01-20 1992-05-06 English Electric Valve Co Ltd Magnetrons

Also Published As

Publication number Publication date
GB2238903A (en) 1991-06-12
GB2238903B (en) 1994-10-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951208