GB9207445D0 - Femitron - Google Patents

Femitron

Info

Publication number
GB9207445D0
GB9207445D0 GB929207445A GB9207445A GB9207445D0 GB 9207445 D0 GB9207445 D0 GB 9207445D0 GB 929207445 A GB929207445 A GB 929207445A GB 9207445 A GB9207445 A GB 9207445A GB 9207445 D0 GB9207445 D0 GB 9207445D0
Authority
GB
United Kingdom
Prior art keywords
femitron
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
GB929207445A
Other versions
GB2256311B (en
GB2256311A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB9207445D0 publication Critical patent/GB9207445D0/en
Publication of GB2256311A publication Critical patent/GB2256311A/en
Application granted granted Critical
Publication of GB2256311B publication Critical patent/GB2256311B/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
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/005—Gas-filled transit-time tubes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/04—Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation, e.g. Heaff tube
GB9207445A 1991-04-30 1992-04-06 Femitron Expired - Fee Related GB2256311B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919109269A GB9109269D0 (en) 1991-04-30 1991-04-30 Femitron

Publications (3)

Publication Number Publication Date
GB9207445D0 true GB9207445D0 (en) 1992-05-20
GB2256311A GB2256311A (en) 1992-12-02
GB2256311B GB2256311B (en) 1995-03-15

Family

ID=10694178

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919109269A Pending GB9109269D0 (en) 1991-04-30 1991-04-30 Femitron
GB9207445A Expired - Fee Related GB2256311B (en) 1991-04-30 1992-04-06 Femitron

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919109269A Pending GB9109269D0 (en) 1991-04-30 1991-04-30 Femitron

Country Status (1)

Country Link
GB (2) GB9109269D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07107829B2 (en) * 1993-06-08 1995-11-15 日本電気株式会社 Density modulation electron gun and microwave tube using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298491A (en) * 1962-09-28
GB2132008B (en) * 1982-12-03 1986-06-11 English Electric Valve Co Ltd A method of altering the frequency tuning range of a klystron

Also Published As

Publication number Publication date
GB2256311B (en) 1995-03-15
GB9109269D0 (en) 1991-06-19
GB2256311A (en) 1992-12-02

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee