GB2278495B - Electron beam tubes - Google Patents

Electron beam tubes

Info

Publication number: GB2278495B
Authority: GB; United Kingdom
Prior art keywords: electron beam; beam tubes; tubes; electron
Prior art date: 1993-05-26
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

GB9409925A

Other versions

GB9409925D0 (en

GB2278495A (en

Inventor

Edward Stanislaw Sobieradszki

Stuart William Andrews

Mark Bridges

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.)

1993-05-26

Filing date

1994-05-18

Publication date

1996-08-21

1994-05-18 Application filed by EEV Ltd filed Critical EEV Ltd

1994-07-06 Publication of GB9409925D0 publication Critical patent/GB9409925D0/en

1994-11-30 Publication of GB2278495A publication Critical patent/GB2278495A/en

1996-08-21 Application granted granted Critical

1996-08-21 Publication of GB2278495B publication Critical patent/GB2278495B/en

2014-05-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- H01J23/005—Cooling methods or arrangements
- 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

GB9409925A 1993-05-26 1994-05-18 Electron beam tubes Expired - Fee Related GB2278495B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB939310832A GB9310832D0 (en)	1993-05-26	1993-05-26	Electron beam tubes

Publications (3)

Publication Number	Publication Date
GB9409925D0 GB9409925D0 (en)	1994-07-06
GB2278495A GB2278495A (en)	1994-11-30
GB2278495B true GB2278495B (en)	1996-08-21

Family

ID=10736141

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB939310832A Pending GB9310832D0 (en)	1993-05-26	1993-05-26	Electron beam tubes
GB9409925A Expired - Fee Related GB2278495B (en)	1993-05-26	1994-05-18	Electron beam tubes

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB939310832A Pending GB9310832D0 (en)	1993-05-26	1993-05-26	Electron beam tubes

Country Status (6)

Country	Link
JP (1)	JPH0746420A (en)
CN (1)	CN1098817A (en)
DE (1)	DE4417803A1 (en)
FR (1)	FR2705829B1 (en)
GB (2)	GB9310832D0 (en)
IT (1)	IT1266836B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2292001B (en) *	1994-08-03	1998-04-22	Eev Ltd	Electron beam tubes
JP5975722B2 (en) *	2012-05-09	2016-08-23	三菱電機株式会社	Electron gun and electron tube
CN104599924B (en) *	2014-12-24	2017-10-10	中国电子科技集团公司第十二研究所	A kind of multistage interacting system helix TWT

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1283324A (en) *	1970-04-13	1972-07-26	Varian Associates	Tunable cavity resonators
US3876901A (en) *	1973-12-03	1975-04-08	Varian Associates	Microwave beam tube having an improved fluid cooled main body

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3800182A (en) *	1973-01-10	1974-03-26	Varian Associates	Heat transfer duct
JPS63126142A (en) *	1986-11-17	1988-05-30	Toshiba Corp	Gyrotron device
JPH05250996A (en) *	1992-03-04	1993-09-28	Nec Corp	Forcedly air-cooled type travelling wave tube

1993
- 1993-05-26 GB GB939310832A patent/GB9310832D0/en active Pending
1994
- 1994-05-18 GB GB9409925A patent/GB2278495B/en not_active Expired - Fee Related
- 1994-05-20 DE DE4417803A patent/DE4417803A1/en not_active Withdrawn
- 1994-05-24 JP JP6109690A patent/JPH0746420A/en not_active Withdrawn
- 1994-05-25 IT IT94TO000428A patent/IT1266836B1/en active IP Right Grant
- 1994-05-26 CN CN94105141.2A patent/CN1098817A/en active Pending
- 1994-05-26 FR FR9406366A patent/FR2705829B1/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1283324A (en) *	1970-04-13	1972-07-26	Varian Associates	Tunable cavity resonators
US3876901A (en) *	1973-12-03	1975-04-08	Varian Associates	Microwave beam tube having an improved fluid cooled main body

Also Published As

Publication number	Publication date
GB9409925D0 (en)	1994-07-06
GB9310832D0 (en)	1993-07-14
ITTO940428A1 (en)	1995-11-25
IT1266836B1 (en)	1997-01-21
JPH0746420A (en)	1995-02-14
ITTO940428A0 (en)	1994-05-25
DE4417803A1 (en)	1994-12-01
GB2278495A (en)	1994-11-30
FR2705829A1 (en)	1994-12-02
FR2705829B1 (en)	1998-02-27
CN1098817A (en)	1995-02-15

Legal Events

Date	Code	Title	Description
1999-01-06	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19980518

Publication	Publication Date	Title
GB2283853B (en)	1997-04-09	Linear electron beam tube arrangements
GB2243943B (en)	1994-02-09	Electron beam tube arrangements
GB2244854B (en)	1994-05-04	Electron beam tube arrangements
EP0455502A3 (en)	1992-03-04	Electron beam welding
GB2279496B (en)	1997-12-03	Electron beam tubes
GB2278720B (en)	1996-09-25	Electron beam tubes
GB2277193B (en)	1996-05-22	Electron beam tubes
GB2277195B (en)	1996-05-15	Electron beam tube arrangements
GB2331836B (en)	2002-05-29	Electron beam tubes
GB2277194B (en)	1996-05-22	Electron beam tubes
GB2292001B (en)	1998-04-22	Electron beam tubes
GB9828007D0 (en)	1999-02-10	Electron beam tubes
GB2278495B (en)	1996-08-21	Electron beam tubes
GB2278012B (en)	1997-01-08	Electron beam tubes
GB2294805B (en)	1998-02-11	Electron beam tubes
EP0505862A3 (en)	1992-12-23	Electron beam tube
GB9514005D0 (en)	1995-09-06	Electron beam tubes
GB9614050D0 (en)	1996-09-04	Linear electron beam tubes
GB2308730B (en)	1997-12-03	Electron beam tubes
GB2244173B (en)	1994-06-01	Electron beam tube arrangements
GB9311221D0 (en)	1993-07-21	Electron beam tubes
GB2265103B (en)	1994-09-14	Electron beam welding
GB9316353D0 (en)	1993-09-29	Electron beam devices
GB9514172D0 (en)	1995-09-13	Linear electron beam tubes
PL297395A1 (en)	1994-07-25	Electron beam detector