GB2242308B - Magnetrons - Google Patents

Magnetrons

Info

Publication number
GB2242308B
GB2242308B GB9101474A GB9101474A GB2242308B GB 2242308 B GB2242308 B GB 2242308B GB 9101474 A GB9101474 A GB 9101474A GB 9101474 A GB9101474 A GB 9101474A GB 2242308 B GB2242308 B GB 2242308B
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.)
Expired - Fee Related
Application number
GB9101474A
Other versions
GB2242308A (en
GB9101474D0 (en
Inventor
Mark Andrew Robertson
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
Priority claimed from GB909002593A external-priority patent/GB9002593D0/en
Application filed by EEV Ltd filed Critical EEV Ltd
Priority to GB9101474A priority Critical patent/GB2242308B/en
Publication of GB9101474D0 publication Critical patent/GB9101474D0/en
Publication of GB2242308A publication Critical patent/GB2242308A/en
Application granted granted Critical
Publication of GB2242308B publication Critical patent/GB2242308B/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
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587—Multi-cavity magnetrons
    • H01J25/593—Rising-sun 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
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/18—Resonators
    • H01J23/20—Cavity resonators; Adjustment or tuning thereof
    • H01J23/213—Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron
GB9101474A 1990-02-06 1991-01-23 Magnetrons Expired - Fee Related GB2242308B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9101474A GB2242308B (en) 1990-02-06 1991-01-23 Magnetrons

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909002593A GB9002593D0 (en) 1990-02-06 1990-02-06 Magnetrons
GB9101474A GB2242308B (en) 1990-02-06 1991-01-23 Magnetrons

Publications (3)

Publication Number Publication Date
GB9101474D0 GB9101474D0 (en) 1991-03-06
GB2242308A GB2242308A (en) 1991-09-25
GB2242308B true GB2242308B (en) 1994-03-02

Family

ID=26296618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9101474A Expired - Fee Related GB2242308B (en) 1990-02-06 1991-01-23 Magnetrons

Country Status (1)

Country Link
GB (1) GB2242308B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629902A (en) * 1944-02-19 1949-09-30 Westinghouse Electric Int Co Improvements in or relating to high frequency magnetron oscillation generators
GB709129A (en) * 1951-07-13 1954-05-19 English Electric Valve Co Ltd Improvements in or relating to magnetrons
GB716677A (en) * 1952-07-15 1954-10-13 M O Valve Co Ltd Improvements in or relating to magnetrons
GB738926A (en) * 1952-11-29 1955-10-19 Standard Telephones Cables Ltd Tunable magnetron
GB1292172A (en) * 1970-07-01 1972-10-11 English Electric Valve Co Ltd Improvements in or relating to magnetrons
GB1297711A (en) * 1970-08-08 1972-11-29
GB1349354A (en) * 1970-08-06 1974-04-03 English Electric Valve Co Ltd Magnetrons

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629902A (en) * 1944-02-19 1949-09-30 Westinghouse Electric Int Co Improvements in or relating to high frequency magnetron oscillation generators
GB709129A (en) * 1951-07-13 1954-05-19 English Electric Valve Co Ltd Improvements in or relating to magnetrons
GB716677A (en) * 1952-07-15 1954-10-13 M O Valve Co Ltd Improvements in or relating to magnetrons
GB738926A (en) * 1952-11-29 1955-10-19 Standard Telephones Cables Ltd Tunable magnetron
GB1292172A (en) * 1970-07-01 1972-10-11 English Electric Valve Co Ltd Improvements in or relating to magnetrons
GB1349354A (en) * 1970-08-06 1974-04-03 English Electric Valve Co Ltd Magnetrons
GB1297711A (en) * 1970-08-08 1972-11-29

Also Published As

Publication number Publication date
GB2242308A (en) 1991-09-25
GB9101474D0 (en) 1991-03-06

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Legal Events

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

Effective date: 20000123