GB2161653B - Microwave device - Google Patents

Microwave device

Info

Publication number: GB2161653B
Authority: GB; United Kingdom
Prior art keywords: microwave device; microwave
Prior art date: 1984-07-14
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

GB08417965A

Other versions

GB2161653A (en

Inventor

Graham George Parkinson

Timothy John William Dormer

Charles Geoffrey Cadman

Terry Casey

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.)

Ferranti International PLC

Original Assignee

Ferranti PLC

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.)

1984-07-14

Filing date

1984-07-14

Publication date

1987-06-17

1984-07-14 Application filed by Ferranti PLC filed Critical Ferranti PLC

1984-07-14 Priority to GB08417965A priority Critical patent/GB2161653B/en

1986-01-15 Publication of GB2161653A publication Critical patent/GB2161653A/en

1987-06-17 Application granted granted Critical

1987-06-17 Publication of GB2161653B publication Critical patent/GB2161653B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
- H01P1/218—Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters

GB08417965A 1984-07-14 1984-07-14 Microwave device Expired GB2161653B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08417965A GB2161653B (en)	1984-07-14	1984-07-14	Microwave device

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08417965A GB2161653B (en)	1984-07-14	1984-07-14	Microwave device

Publications (2)

Publication Number	Publication Date
GB2161653A GB2161653A (en)	1986-01-15
GB2161653B true GB2161653B (en)	1987-06-17

Family

ID=10563889

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08417965A Expired GB2161653B (en)	1984-07-14	1984-07-14	Microwave device

Country Status (1)

Country	Link
GB (1)	GB2161653B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4827230A (en) *	1988-09-12	1989-05-02	Tektronix, Inc.	Magnet design for ferromagnetic resonators
DE3834984A1 (en) *	1988-10-14	1990-04-19	Leybold Ag	DEVICE FOR GENERATING ELECTRICALLY CHARGED AND / OR UNCHARGED PARTICLES
US5291163A (en) *	1992-07-29	1994-03-01	Hewlett-Packard Company	YIG sphere positioning apparatus
SE469999B (en) *	1992-10-02	1993-10-18	Sivers Ima Ab	Yig component comprising a magnetic circuit and at least one ferrite crystal
US5517161A (en) *	1992-10-02	1996-05-14	Sivers Ima Ab	Yig component
US5959513A (en) *	1997-05-13	1999-09-28	Verticom, Inc.	Microwave ferrite resonator mounting structure having reduced mechanical vibration sensitivity
US6255918B1 (en)	1999-04-01	2001-07-03	Verticom, Inc.	Microwave ferrite resonator mounting structure having reduced mechanical vibration sensitivity
US8760236B2 (en) *	2011-07-28	2014-06-24	Agilent Technologies, Inc.	Drift stabilization of magnetically tunable filter by temperature regulation and mechanical isolation of elctromagnet coil

1984
- 1984-07-14 GB GB08417965A patent/GB2161653B/en not_active Expired

Also Published As

Publication number	Publication date
GB2161653A (en)	1986-01-15

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Legal Events

Date	Code	Title	Description
1996-12-11	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2000-03-08	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19990714