GB1349354A - Magnetrons - Google Patents

Magnetrons

Info

Publication number
GB1349354A
GB1349354A GB3808170A GB1349354DA GB1349354A GB 1349354 A GB1349354 A GB 1349354A GB 3808170 A GB3808170 A GB 3808170A GB 1349354D A GB1349354D A GB 1349354DA GB 1349354 A GB1349354 A GB 1349354A
Authority
GB
United Kingdom
Prior art keywords
glass
division
composition
magnetrons
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
Application number
GB3808170A
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
English Electric Valve Co 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Publication of GB1349354A publication Critical patent/GB1349354A/en
Expired 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
    • H01J23/16—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

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Glass Compositions (AREA)
  • Microwave Tubes (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)

Abstract

1349354 Glass composition ENGLISH ELECTRIC VALVE CO Ltd 2 July 1971 [6 Aug 1970] 38081/70 Heading C1M [Also in Division H1] A piezoelectric element in a magnetron (see Division H1) is protected by a 0À003 inch thick layer of glass of the composition
GB3808170A 1970-08-06 1970-08-06 Magnetrons Expired GB1349354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3808170 1970-08-06

Publications (1)

Publication Number Publication Date
GB1349354A true GB1349354A (en) 1974-04-03

Family

ID=10401048

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3808170A Expired GB1349354A (en) 1970-08-06 1970-08-06 Magnetrons

Country Status (8)

Country Link
US (1) US3727097A (en)
AU (1) AU456610B2 (en)
CA (1) CA947427A (en)
DE (1) DE2139582C3 (en)
FR (1) FR2104095A5 (en)
GB (1) GB1349354A (en)
NL (1) NL7110464A (en)
SE (1) SE366609B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012034A1 (en) * 1978-12-05 1980-06-11 English Electric Valve Company Limited Variable frequency magnetron
GB2200242A (en) * 1987-01-21 1988-07-27 English Electric Valve Co Ltd Tuning magnetrons
GB2242308A (en) * 1990-02-06 1991-09-25 Eev Ltd Magnetrons
US5182493A (en) * 1990-02-06 1993-01-26 Eev Limited Rising sun magnetron with planar tuning member protruding into only one set of cavities

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186324A (en) * 1978-05-11 1980-01-29 Schaevitz Engineering Linear accelerometer with piezoelectric suspension
FR2581254B1 (en) * 1985-04-30 1988-09-16 Onera (Off Nat Aerospatiale) MICROWAVE DEPHASER, ESPECIALLY MILLIMETER WAVE, WITH PIEZOELECTRIC CONTROL AND ANTENNAS USING THE SAME
FR2581255B1 (en) * 1985-04-30 1989-01-06 Onera (Off Nat Aerospatiale) MICROWAVE DEPHASER, ESPECIALLY MILLIMETER WAVE, WITH PIEZOELECTRIC CONTROL
US4906840A (en) * 1988-01-27 1990-03-06 The Board Of Trustees Of Leland Stanford Jr., University Integrated scanning tunneling microscope

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752495A (en) * 1951-05-08 1956-06-26 Rca Corp Ferroelectric frequency control
US3028522A (en) * 1954-07-12 1962-04-03 Marshall C Pease Magnetrons
US3087124A (en) * 1958-05-29 1963-04-23 Raytheon Co Feedback system for reed modulated magnetrons
US3334261A (en) * 1965-10-24 1967-08-01 Sylvania Electric Prod High pressure discharge device having a fill including iodine mercury and at least one rare earth metal
US3440565A (en) * 1966-03-17 1969-04-22 Westinghouse Electric Corp Sensor for detection of frequency of a reed modulated magnetron
US3478246A (en) * 1967-05-05 1969-11-11 Litton Precision Prod Inc Piezoelectric bimorph driven tuners for electron discharge devices
US3478247A (en) * 1967-06-12 1969-11-11 Litton Precision Prod Inc Microwave tuner having a rapid tuning rate

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012034A1 (en) * 1978-12-05 1980-06-11 English Electric Valve Company Limited Variable frequency magnetron
GB2200242A (en) * 1987-01-21 1988-07-27 English Electric Valve Co Ltd Tuning magnetrons
US4831341A (en) * 1987-01-21 1989-05-16 English Electric Valve Company Limited Magnetron with tuning member moveable by passing current through it
GB2200242B (en) * 1987-01-21 1990-10-24 English Electric Valve Co Ltd Magnetrons
GB2242308A (en) * 1990-02-06 1991-09-25 Eev Ltd Magnetrons
US5182493A (en) * 1990-02-06 1993-01-26 Eev Limited Rising sun magnetron with planar tuning member protruding into only one set of cavities
GB2242308B (en) * 1990-02-06 1994-03-02 Eev Ltd Magnetrons

Also Published As

Publication number Publication date
FR2104095A5 (en) 1972-04-14
CA947427A (en) 1974-05-14
DE2139582B2 (en) 1973-07-12
DE2139582A1 (en) 1972-02-10
NL7110464A (en) 1972-02-08
AU456610B2 (en) 1974-12-19
AU3188371A (en) 1973-02-08
SE366609B (en) 1974-04-29
US3727097A (en) 1973-04-10
DE2139582C3 (en) 1974-02-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]