GB1399260A - Magnetrons - Google Patents

Magnetrons

Info

Publication number
GB1399260A
GB1399260A GB5913672A GB5913672A GB1399260A GB 1399260 A GB1399260 A GB 1399260A GB 5913672 A GB5913672 A GB 5913672A GB 5913672 A GB5913672 A GB 5913672A GB 1399260 A GB1399260 A GB 1399260A
Authority
GB
United Kingdom
Prior art keywords
cathode
hat
magnetron
heated
electron
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
GB5913672A
Other languages
English (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
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
Priority to GB5913672A priority Critical patent/GB1399260A/en
Priority to CA187,967A priority patent/CA1003964A/en
Priority to US424358A priority patent/US3899714A/en
Priority to NL7317243A priority patent/NL7317243A/xx
Priority to FR7345672A priority patent/FR2211746A1/fr
Priority to JP48143370A priority patent/JPS4998168A/ja
Publication of GB1399260A publication Critical patent/GB1399260A/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
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons

Landscapes

  • Microwave Tubes (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
GB5913672A 1972-12-21 1972-12-21 Magnetrons Expired GB1399260A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB5913672A GB1399260A (en) 1972-12-21 1972-12-21 Magnetrons
CA187,967A CA1003964A (en) 1972-12-21 1973-12-12 Magnetron cathode
US424358A US3899714A (en) 1972-12-21 1973-12-13 Quick starting magnetron with shielded cathode
NL7317243A NL7317243A (enrdf_load_stackoverflow) 1972-12-21 1973-12-17
FR7345672A FR2211746A1 (enrdf_load_stackoverflow) 1972-12-21 1973-12-20
JP48143370A JPS4998168A (enrdf_load_stackoverflow) 1972-12-21 1973-12-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5913672A GB1399260A (en) 1972-12-21 1972-12-21 Magnetrons

Publications (1)

Publication Number Publication Date
GB1399260A true GB1399260A (en) 1975-07-02

Family

ID=10483125

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5913672A Expired GB1399260A (en) 1972-12-21 1972-12-21 Magnetrons

Country Status (6)

Country Link
US (1) US3899714A (enrdf_load_stackoverflow)
JP (1) JPS4998168A (enrdf_load_stackoverflow)
CA (1) CA1003964A (enrdf_load_stackoverflow)
FR (1) FR2211746A1 (enrdf_load_stackoverflow)
GB (1) GB1399260A (enrdf_load_stackoverflow)
NL (1) NL7317243A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317741A (en) * 1995-12-12 1998-04-01 Lg Electronics Inc Magnetron cathode

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242067A (en) * 1975-09-29 1977-04-01 New Japan Radio Co Ltd Magnetron cathode construction
US5280218A (en) * 1991-09-24 1994-01-18 Raytheon Company Electrodes with primary and secondary emitters for use in cross-field tubes
US5327094A (en) * 1992-12-11 1994-07-05 Litton Systems, Inc. Jitter suppression in crossed-field amplifier by use of field emitter
US5412281A (en) * 1993-03-31 1995-05-02 Litton Systems, Inc. Phase smoothing cathode for reduced noise crossed-field amplifier
JP3803432B2 (ja) * 1995-10-30 2006-08-02 セイコーエプソン株式会社 ランプユニット及びこれを用いた画像読み取り装置
US5874806A (en) * 1996-10-02 1999-02-23 Litton Systems, Inc. Passive jitter reduction in crossed-field amplifier with secondary emission material on anode vanes
US5977714A (en) * 1997-04-16 1999-11-02 Adamovski; Victor Isaevich Magnetron anodes having refractory material and cooled by fluid boiling
RU2136076C1 (ru) 1998-01-08 1999-08-27 Махов Владимир Ильич Магнетрон
RU2183363C2 (ru) 1998-01-08 2002-06-10 Махов Владимир Ильич Свч-прибор м-типа
RU2150765C1 (ru) * 1999-04-07 2000-06-10 Санкт-Петербургский государственный технический университет Способ создания широкополосных квазишумовых сверхвысокочастотных сигналов большой мощности и устройство для его осуществления
US6485346B1 (en) 2000-05-26 2002-11-26 Litton Systems, Inc. Field emitter for microwave devices and the method of its production
JP4355135B2 (ja) * 2002-11-13 2009-10-28 新日本無線株式会社 パルスマグネトロン

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736838A (en) * 1951-04-03 1956-02-28 Richard B Nelson Starting apparatus for a cold cathode electron discharge device
US2822499A (en) * 1955-02-17 1958-02-04 Bell Telephone Labor Inc Cathodes for electron discharge devices
US2818528A (en) * 1956-09-17 1957-12-31 Bell Telephone Labor Inc Electron discharge device
US3297901A (en) * 1964-06-05 1967-01-10 Litton Industries Inc Dispenser cathode for use in high power magnetron devices
NL130735C (enrdf_load_stackoverflow) * 1965-08-16 1900-01-01
DE1541026B2 (de) * 1966-12-14 1971-08-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Kreiszylindrische kathode fuer eine magnetroehre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317741A (en) * 1995-12-12 1998-04-01 Lg Electronics Inc Magnetron cathode
GB2317741B (en) * 1995-12-12 1999-02-17 Lg Electronics Inc Magnetron

Also Published As

Publication number Publication date
US3899714A (en) 1975-08-12
CA1003964A (en) 1977-01-18
FR2211746A1 (enrdf_load_stackoverflow) 1974-07-19
JPS4998168A (enrdf_load_stackoverflow) 1974-09-17
NL7317243A (enrdf_load_stackoverflow) 1974-06-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee