EP0020209B1 - Travelling-wave tube provided with a microwave delay line structure comprising a conductor with variable cross-section - Google Patents

Travelling-wave tube provided with a microwave delay line structure comprising a conductor with variable cross-section

Info

Publication number: EP0020209B1
Authority: EP; European Patent Office
Prior art keywords: travelling; conductor; section; delay line; line structure
Prior art date: 1979-05-23
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

EP80400624A

Other languages

German (de)

French (fr)

Other versions

EP0020209A1 (en

Inventor

Georges Fleury

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.)

Thales SA

Original Assignee

Thomson CSF SA

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.)

1979-05-23

Filing date

1980-05-08

Publication date

1984-02-22

1980-05-08 Application filed by Thomson CSF SA filed Critical Thomson CSF SA

1980-12-10 Publication of EP0020209A1 publication Critical patent/EP0020209A1/en

1984-02-22 Application granted granted Critical

1984-02-22 Publication of EP0020209B1 publication Critical patent/EP0020209B1/en

Status 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
- H01J23/24—Slow-wave structures, e.g. delay systems
- H01J23/26—Helical slow-wave structures; Adjustment therefor

EP80400624A 1979-05-23 1980-05-08 Travelling-wave tube provided with a microwave delay line structure comprising a conductor with variable cross-section Expired EP0020209B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7913198A FR2457560A1 (en)	1979-05-23	1979-05-23	MICROWAVE DELAY LINE COMPRISING A VARIABLE SECTION CONDUCTOR AND PROGRESSIVE WAVE TUBE COMPRISING SUCH A LINE
FR7913198		1979-05-23

Publications (2)

Publication Number	Publication Date
EP0020209A1 EP0020209A1 (en)	1980-12-10
EP0020209B1 true EP0020209B1 (en)	1984-02-22

Family

ID=9225809

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP80400624A Expired EP0020209B1 (en)	1979-05-23	1980-05-08	Travelling-wave tube provided with a microwave delay line structure comprising a conductor with variable cross-section

Country Status (6)

Country	Link
US (1)	US4377770A (en)
EP (1)	EP0020209B1 (en)
JP (1)	JPS55155447A (en)
CA (1)	CA1168361A (en)
DE (1)	DE3066675D1 (en)
FR (1)	FR2457560A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4481444A (en) *	1981-03-23	1984-11-06	Litton Systems, Inc.	Traveling wave tubes having backward wave suppressor devices
RU2594382C1 (en) *	2015-07-31	2016-08-20	Федеральное государственное бюджетное учреждение науки Институт радиотехники и электроники им. В.А. Котельникова Российской академии наук	Adjustable microwave delay line on surface magnetostatic waves

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR946141A (en) *	1947-04-21	1949-05-24	Csf	Amplifier and oscillator lamp with control by a traveling wave
US2541843A (en) *	1947-07-18	1951-02-13	Philco Corp	Electronic tube of the traveling wave type
US2637775A (en) *	1948-03-16	1953-05-05	Rca Corp	Coupling of a helical conductor to a wave guide
US2833955A (en) *	1954-02-04	1958-05-06	Itt	Traveling wave electron discharge devices
NL196803A (en) *	1954-04-29
US2846612A (en) *	1955-07-11	1958-08-05	Hughes Aircraft Co	Traveling wave tube slow-wave structure
US2922068A (en) *	1958-06-03	1960-01-19	Sperry Rand Corp	Travelling wave tube helix to coaxial line transition means
US3571651A (en) *	1966-09-29	1971-03-23	Gen Electric	Log periodic electron discharge device
US3696266A (en) *	1969-09-19	1972-10-03	Tsutomu Nishino	Electron beam deflecting device
US3614517A (en) *	1970-04-30	1971-10-19	Raytheon Co	Traveling wave electron interaction device having efficiency enhancement means
US3716745A (en) *	1971-07-22	1973-02-13	Litton Systems Inc	Double octave broadband traveling wave tube
US3735188A (en) *	1972-07-03	1973-05-22	Litton Systems Inc	Traveling wave tube with coax to helix impedance matching sections
DE2239459C3 (en) *	1972-08-10	1975-04-30	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Lauffeldtube with extremely low phase distortion
US4087718A (en) *	1976-05-06	1978-05-02	Varian Associates, Inc.	High gain crossed field amplifier
US4229676A (en) *	1979-03-16	1980-10-21	Hughes Aircraft Company	Helical slow-wave structure assemblies and fabrication methods

1979
- 1979-05-23 FR FR7913198A patent/FR2457560A1/en active Granted
1980
- 1980-05-08 DE DE8080400624T patent/DE3066675D1/en not_active Expired
- 1980-05-08 EP EP80400624A patent/EP0020209B1/en not_active Expired
- 1980-05-22 US US06/152,173 patent/US4377770A/en not_active Expired - Lifetime
- 1980-05-22 JP JP6719680A patent/JPS55155447A/en active Pending
- 1980-05-22 CA CA000352500A patent/CA1168361A/en not_active Expired

Also Published As

Publication number	Publication date
DE3066675D1 (en)	1984-03-29
FR2457560A1 (en)	1980-12-19
CA1168361A (en)	1984-05-29
US4377770A (en)	1983-03-22
FR2457560B1 (en)	1982-05-14
EP0020209A1 (en)	1980-12-10
JPS55155447A (en)	1980-12-03

Legal Events

Date	Code	Title	Description
1980-10-14	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1980-12-10	AK	Designated contracting states	Designated state(s): DE GB NL
1981-03-25	17P	Request for examination filed	Effective date: 19810105
1983-12-23	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1984-02-22	AK	Designated contracting states	Designated state(s): DE GB
1984-03-29	REF	Corresponds to:	Ref document number: 3066675 Country of ref document: DE Date of ref document: 19840329
1984-12-27	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1984-12-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1985-01-03	GBPC	Gb: european patent ceased through non-payment of renewal fee
1985-02-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19850201
1985-02-27	26N	No opposition filed
1988-11-18	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19881118

Publication	Publication Date	Title
GB2046002B (en)	1983-01-06	Flat coaxial cable assembly
AU518962B2 (en)	1981-10-29	Microwave terminating structure
AU3307378A (en)	1979-08-16	Microwave antenna
AU529799B2 (en)	1983-06-23	Coaxial assembly
GB2050700B (en)	1983-10-12	Slotted waveguide microwave antenna
DE3067164D1 (en)	1984-04-26	Microwave device with dielectric resonator
AU515989B2 (en)	1981-05-14	Microwave oven
AU561335B2 (en)	1987-05-07	Microwave oven
AU500527B2 (en)	1979-05-24	Microwave oven
GB2064214B (en)	1983-07-20	Travelling wave tube with frequency variable sever length
AU499827B2 (en)	1979-05-03	Microwave oven
AU531426B2 (en)	1983-08-25	Graphite tube assembly
AU547378B2 (en)	1985-10-17	Microwave oven
JPS5386547A (en)	1978-07-31	Coaxial microstrip converter
GB2057200B (en)	1983-06-02	Interconnecting coaxial cables
IL53941A0 (en)	1978-04-30	Helix travelling-wave tubes with resonant loss
GB2063583B (en)	1983-07-20	Coaxial cable end connection
GB2034525B (en)	1983-03-09	Microwave transmission systems
AU6479680A (en)	1981-08-20	Coaxial cable
DE3166622D1 (en)	1984-11-15	Coupled cavities delay line for a travelling-wave tube, and travelling-wave tube comprising such a line
AU500545B2 (en)	1979-05-24	Microwave oven
AU514840B2 (en)	1981-02-26	Dielectric waveguide
EP0020209B1 (en)	1984-02-22	Travelling-wave tube provided with a microwave delay line structure comprising a conductor with variable cross-section
DE3065992D1 (en)	1984-02-02	Slow-wave structure with varying pitch for a travelling-wave tube, and travelling-wave tube using such a slow-wave structure
AU1536283A (en)	1983-12-15	Microwave oven construction