GB2259180B - Magnetron - Google Patents

Magnetron

Info

Publication number: GB2259180B
Authority: GB; United Kingdom
Prior art keywords: magnetron
Prior art date: 1991-08-30
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

GB9123906A

Other versions

GB2259180A (en

GB9123906D0 (en

Inventor

Peter Frederick Lewis

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.)

1991-08-30

Filing date

1991-11-11

Publication date

1994-12-07

1991-11-11 Application filed by EEV Ltd filed Critical EEV Ltd

1992-01-02 Publication of GB9123906D0 publication Critical patent/GB9123906D0/en

1992-08-27 Priority to US07/935,108 priority Critical patent/US5387841A/en

1992-08-31 Priority to JP4230721A priority patent/JPH0696678A/en

1993-03-03 Publication of GB2259180A publication Critical patent/GB2259180A/en

1994-12-07 Application granted granted Critical

1994-12-07 Publication of GB2259180B publication Critical patent/GB2259180B/en

2011-11-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- 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
- H01J23/005—Cooling methods or arrangements

GB9123906A 1991-08-30 1991-11-11 Magnetron Expired - Fee Related GB2259180B (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
US07/935,108 US5387841A (en)	1991-08-30	1992-08-27	Magnetron having an anode with cooling channels
JP4230721A JPH0696678A (en)	1991-08-30	1992-08-31	Magnetron

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB919118651A GB9118651D0 (en)	1991-08-30	1991-08-30	Magnetron

Publications (3)

Publication Number	Publication Date
GB9123906D0 GB9123906D0 (en)	1992-01-02
GB2259180A GB2259180A (en)	1993-03-03
GB2259180B true GB2259180B (en)	1994-12-07

Family

ID=10700717

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB919118651A Pending GB9118651D0 (en)	1991-08-30	1991-08-30	Magnetron
GB9123906A Expired - Fee Related GB2259180B (en)	1991-08-30	1991-11-11	Magnetron

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB919118651A Pending GB9118651D0 (en)	1991-08-30	1991-08-30	Magnetron

Country Status (3)

Country	Link
DE (1)	DE4228688A1 (en)
FR (1)	FR2686190A1 (en)
GB (2)	GB9118651D0 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB570679A (en) *	1942-10-05	1945-07-18	Standard Telephones Cables Ltd	Liquid cooling arrangements for electron discharge devices
GB675175A (en) *	1945-06-23	1952-07-09	British Thomson Houston Co Ltd	Improvements in and relating to high frequency electron discharge devices of the magnetron type
GB710552A (en) *	1952-08-26	1954-06-16	Raytheon Mfg Co	Improvements in or relating to electron-discharge devices
GB800588A (en) *	1955-09-28	1958-08-27	Sperry Rand Corp	Electron discharge valves
GB942685A (en) *	1960-03-21	1963-11-27	Sfd Lab Inc	High power electron discharge device
GB1194249A (en) *	1966-09-15	1970-06-10	Thomson Houston Comp Francaise	Improvements relating to Heat Exchange.
GB1492505A (en) *	1975-08-07	1977-11-23	Ca Atomic Energy Ltd	High-power vane-type magnetrons
GB2056163A (en) *	1979-07-06	1981-03-11	Dodonov J I	Cooling magnetrons

1991
- 1991-08-30 GB GB919118651A patent/GB9118651D0/en active Pending
- 1991-11-11 GB GB9123906A patent/GB2259180B/en not_active Expired - Fee Related
1992
- 1992-08-28 DE DE19924228688 patent/DE4228688A1/en not_active Withdrawn
- 1992-08-28 FR FR9210387A patent/FR2686190A1/en not_active Withdrawn

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB570679A (en) *	1942-10-05	1945-07-18	Standard Telephones Cables Ltd	Liquid cooling arrangements for electron discharge devices
GB675175A (en) *	1945-06-23	1952-07-09	British Thomson Houston Co Ltd	Improvements in and relating to high frequency electron discharge devices of the magnetron type
GB675176A (en) *	1945-06-23	1952-07-09	British Thomson Houston Co Ltd	Improvements in and relating to electronic devices of the magnetron type
GB710552A (en) *	1952-08-26	1954-06-16	Raytheon Mfg Co	Improvements in or relating to electron-discharge devices
GB800588A (en) *	1955-09-28	1958-08-27	Sperry Rand Corp	Electron discharge valves
GB942685A (en) *	1960-03-21	1963-11-27	Sfd Lab Inc	High power electron discharge device
GB1194249A (en) *	1966-09-15	1970-06-10	Thomson Houston Comp Francaise	Improvements relating to Heat Exchange.
GB1492505A (en) *	1975-08-07	1977-11-23	Ca Atomic Energy Ltd	High-power vane-type magnetrons
GB2056163A (en) *	1979-07-06	1981-03-11	Dodonov J I	Cooling magnetrons

Also Published As

Publication number	Publication date
FR2686190A1 (en)	1993-07-16
DE4228688A1 (en)	1993-03-04
GB9118651D0 (en)	1991-10-16
GB2259180A (en)	1993-03-03
GB9123906D0 (en)	1992-01-02

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GB2252341B (en)	1994-11-30	Stormfence
GB2271021B (en)	1995-06-21	Magnetron
EP0441569A3 (en)	1992-03-25	Magnetrons
GB2259180B (en)	1994-12-07	Magnetron
GB9124208D0 (en)	1992-01-08	Magnetron
GB9210483D0 (en)	1992-07-01	Magnetron
GB2261191B (en)	1993-11-17	Ellipsograph
PL284151A1 (en)	1991-09-09	Magnetron
GB2242308B (en)	1994-03-02	Magnetrons
AU206P (en)	1992-11-17	BUNDERRA Danthonia linkii
CA68731S (en)	1991-06-18	Moneybox
DE59207864D1 (en)	1997-02-20	Koagulationssonde

Legal Events

Date	Code	Title	Description
1996-07-10	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19951111