EP0004492A3 - Microwave tube delay line cooled by a circulating fluid and microwave tube containing such a delay line - Google Patents

Microwave tube delay line cooled by a circulating fluid and microwave tube containing such a delay line Download PDF

Info

Publication number: EP0004492A3
Authority: EP; European Patent Office
Prior art keywords: delay line; microwave tube; circulating fluid; cooled; tube containing
Prior art date: 1978-03-24
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.): Granted

Application number

EP79400143A

Other versions

EP0004492A2 (en

EP0004492B1 (en

Inventor

Bernard Delory

Georges Fleury

Jean-Claude Kuntzmann

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.)

Thomson CSF Scpi

Original Assignee

Thomson CSF Scpi

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.)

1978-03-24

Filing date

1979-03-06

Publication date

1979-10-17

1979-03-06 Application filed by Thomson CSF Scpi filed Critical Thomson CSF Scpi

1979-10-03 Publication of EP0004492A2 publication Critical patent/EP0004492A2/en

1979-10-17 Publication of EP0004492A3 publication Critical patent/EP0004492A3/en

1981-12-30 Application granted granted Critical

1981-12-30 Publication of EP0004492B1 publication Critical patent/EP0004492B1/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
- 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

EP79400143A 1978-03-24 1979-03-06 Microwave tube containing a delay line cooled by a circulating fluid Expired EP0004492B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7808673		1978-03-24
FR7808673A FR2420842A1 (en)	1978-03-24	1978-03-24	DELAY LINE, FOR HYPERFREQUENCY TUBE, COOLED BY FLUID CIRCULATION AND HYPERFREQUENCY TUBE CONTAINING SUCH A LINE

Publications (3)

Publication Number	Publication Date
EP0004492A2 EP0004492A2 (en)	1979-10-03
EP0004492A3 true EP0004492A3 (en)	1979-10-17
EP0004492B1 EP0004492B1 (en)	1981-12-30

Family

ID=9206272

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP79400143A Expired EP0004492B1 (en)	1978-03-24	1979-03-06	Microwave tube containing a delay line cooled by a circulating fluid

Country Status (4)

Country	Link
US (1)	US4243914A (en)
EP (1)	EP0004492B1 (en)
DE (1)	DE2961638D1 (en)
FR (1)	FR2420842A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2907762A1 (en) *	1979-02-28	1980-09-04	Siemens Ag	GAS DENSITY, HIGH-FREQUENCY TRANSFERABLE WINDOW ARRANGEMENT IN A COAXIAL PIPE, ESPECIALLY FOR WALKER PIPES
FR2494036A1 (en) *	1980-11-07	1982-05-14	Thomson Csf	DELAY LINE FOR PROGRESSIVE WAVE TUBE, COOLED COOLING, AND PROGRESSIVE WAVE TUBE HAVING SUCH A LINE
FR2501906A1 (en) *	1981-03-16	1982-09-17	Thomson Csf	Pole pieces fixing method onto exterior of TWT - uses low temp. which does not affect previous welds
DE3407206A1 (en) *	1984-02-28	1985-08-29	Siemens AG, 1000 Berlin und 8000 München	WALKING PIPES AND METHOD FOR THE PRODUCTION THEREOF
DE3501971A1 (en) *	1985-01-22	1986-07-24	Spinner GmbH Elektrotechnische Fabrik, 8000 München	Waveguide component
JPS62283533A (en) *	1986-05-31	1987-12-09	Nec Corp	Cavity-combing type travelling-wave tube
FR2647953B1 (en) *	1989-05-30	1991-08-16	Thomson Tubes Electroniques	MODEL OF CONSTRUCTION OF A PROPELLER DELAY LINE AND PROGRESSIVE WAVE TUBES USING THIS MODEL
FR2787918B1 (en)	1998-12-23	2001-03-16	Thomson Tubes Electroniques	MULTIBAND PROGRESSIVE WAVE TUBE OF REDUCED LENGTH CAPABLE OF OPERATING AT HIGH POWER
CN114005720B (en) *	2021-11-09	2022-10-14	北京航空航天大学	Terahertz traveling wave tube slow wave focusing integrated structure and manufacturing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2784340A (en) *	1952-04-29	1957-03-05	English Electric Valve Co Ltd	Electron discharge devices
US2850666A (en) *	1955-12-01	1958-09-02	Hughes Aircraft Co	Helix structure for traveling-wave tubes
US3216085A (en) *	1961-05-01	1965-11-09	Sylvania Electric Prod	Method of making helix assembly
US3382399A (en) *	1965-05-06	1968-05-07	Army Usa	Modified traveling wave tube
US3617798A (en) *	1970-07-22	1971-11-02	Us Navy	Fluid-cooling slow wave interaction structure for a traveling wave tube
US3670196A (en) *	1971-02-24	1972-06-13	Raytheon Co	Helix delay line for traveling wave devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3070725A (en) *	1958-03-17	1962-12-25	Eitel Mccullough Inc	Travelling wave amplifier
US3271615A (en) *	1961-08-23	1966-09-06	Westinghouse Electric Corp	Traveling wave electron discharge device having means exerting a radial force upon the envelope
US3211947A (en) *	1962-05-14	1965-10-12	Bloom Stanley	Noise reduction of traveling-wave tubes by circuit refrigeration
US3317780A (en) *	1962-06-25	1967-05-02	Varian Associates	Traveling wave tube apparatus
US3274429A (en) *	1963-03-18	1966-09-20	Varian Associates	High frequency electron discharge device with heat dissipation means
GB1195805A (en) *	1967-06-29	1970-06-24	Nippon Electric Co	Improvements in or relating to Magnetically Focussed Electron Tube Devices
US4137482A (en) *	1977-05-12	1979-01-30	Varian Associates, Inc.	Periodic permanent magnet focused TWT

1978
- 1978-03-24 FR FR7808673A patent/FR2420842A1/en active Granted
1979
- 1979-03-06 DE DE7979400143T patent/DE2961638D1/en not_active Expired
- 1979-03-06 EP EP79400143A patent/EP0004492B1/en not_active Expired
- 1979-03-20 US US06/022,302 patent/US4243914A/en not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2784340A (en) *	1952-04-29	1957-03-05	English Electric Valve Co Ltd	Electron discharge devices
US2850666A (en) *	1955-12-01	1958-09-02	Hughes Aircraft Co	Helix structure for traveling-wave tubes
US3216085A (en) *	1961-05-01	1965-11-09	Sylvania Electric Prod	Method of making helix assembly
US3382399A (en) *	1965-05-06	1968-05-07	Army Usa	Modified traveling wave tube
US3617798A (en) *	1970-07-22	1971-11-02	Us Navy	Fluid-cooling slow wave interaction structure for a traveling wave tube
US3670196A (en) *	1971-02-24	1972-06-13	Raytheon Co	Helix delay line for traveling wave devices

Also Published As

Publication number	Publication date
FR2420842B1 (en)	1981-05-29
DE2961638D1 (en)	1982-02-18
FR2420842A1 (en)	1979-10-19
EP0004492A2 (en)	1979-10-03
US4243914A (en)	1981-01-06
EP0004492B1 (en)	1981-12-30

Legal Events

Date	Code	Title	Description
1979-08-07	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
1979-08-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1979-10-03	AK	Designated contracting states	Designated state(s): DE GB NL
1979-10-17	AK	Designated contracting states	Designated state(s): DE GB NL
1980-02-20	17P	Request for examination filed
1981-10-30	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1981-12-30	AK	Designated contracting states	Designated state(s): DE GB NL
1982-02-18	REF	Corresponds to:	Ref document number: 2961638 Country of ref document: DE Date of ref document: 19820218
1994-02-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19940223 Year of fee payment: 16
1994-03-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19940331 Year of fee payment: 16
1995-10-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19951001
1995-12-01	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 19951001
1995-12-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19951201
1996-02-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19960219 Year of fee payment: 18
1997-03-06	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19970306
1997-10-29	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19970306
2016-09-14	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2016-09-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

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