NO962110D0 - Hybrid narrowband filter - Google Patents

Hybrid narrowband filter

Info

Publication number: NO962110D0
Authority: NO; Norway
Prior art keywords: hybrid; narrowband filter; narrowband; filter; hybrid narrowband
Prior art date: 1993-11-24

Application number

NO962110A

Other languages

Norwegian (no)

Other versions

NO962110L (en

Inventor

John David Rhodes

Philip David Sleigh

Original Assignee

Filtronic 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.)

1993-11-24

Filing date

1996-05-23

Publication date

1996-05-23

1996-05-23 Application filed by Filtronic Ltd filed Critical Filtronic Ltd

1996-05-23 Publication of NO962110D0 publication Critical patent/NO962110D0/en

1996-07-02 Publication of NO962110L publication Critical patent/NO962110L/en

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

NO962110A 1993-11-24 1996-05-23 Hybrid narrowband filter NO962110L (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9324149A GB2284311B (en)	1993-11-24	1993-11-24	Hybrid notch filter
PCT/GB1994/002582 WO1995015018A1 (en)	1993-11-24	1994-11-24	Hybrid notch filter

Publications (2)

Publication Number	Publication Date
NO962110D0 true NO962110D0 (en)	1996-05-23
NO962110L NO962110L (en)	1996-07-02

Family

ID=10745616

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO962110A NO962110L (en)	1993-11-24	1996-05-23	Hybrid narrowband filter

Country Status (6)

Country	Link
EP (1)	EP0730784A1 (en)
CA (1)	CA2176928A1 (en)
FI (1)	FI962188L (en)
GB (1)	GB2284311B (en)
NO (1)	NO962110L (en)
WO (1)	WO1995015018A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9625416D0 (en)	1996-12-06	1997-01-22	Filtronic Comtek	Microwave resonator
US6169760B1 (en) *	1998-03-19	2001-01-02	Hughes Electronics Corporation	Fast, highly accurate frequency measurement technique
DE10304524A1 (en) *	2003-02-04	2004-08-12	Tesat-Spacecom Gmbh & Co.Kg	Band-pass filter topology e.g. for satellite communication transponders, has coupling to first resonator and decoupling from resonator lying opposite this in rectangular structure
GB2452934B (en) *	2007-09-19	2011-09-14	Isotek Electronics Ltd	A tuneable bandpass filter
US7915977B2 (en)	2007-09-19	2011-03-29	Isotek Electronics Limited	Tuneable bandpass filter
US8305164B1 (en)	2009-06-09	2012-11-06	The United States Of America, As Represented By The Secretary Of The Navy	Frequency-agile frequency-selective variable attenuator
EP2498331B1 (en)	2009-11-02	2015-04-15	KMW Inc.	Radio frequency filter
US9490866B2 (en)	2012-12-11	2016-11-08	University Of Southern California	Passive leakage cancellation networks for duplexers and coexisting wireless communication systems
WO2015089091A1 (en)	2013-12-10	2015-06-18	University Of Southern California	Enhancing isolation and impedance matching in hybrid-based cancellation networks and duplexers
WO2015123668A1 (en)	2014-02-14	2015-08-20	University Of Southern California	Hybrid-based cancellation in presence of antenna mismatch
WO2015123586A1 (en)	2014-02-14	2015-08-20	University Of Southern California	Reflection and hybrid reflection filters
US9871543B2 (en)	2014-02-19	2018-01-16	University Of Southern California	Miniature acoustic resonator-based filters and duplexers with cancellation methodology
US10581650B2 (en)	2015-09-08	2020-03-03	Qorvo Us, Inc.	Enhancing isolation in radio frequency multiplexers
US9762416B2 (en)	2015-09-08	2017-09-12	Abtum Inc.	Reflection coefficient reader
US9912326B2 (en)	2015-09-08	2018-03-06	Abtum Inc.	Method for tuning feed-forward canceller
US9866201B2 (en)	2015-09-08	2018-01-09	Abtum Inc.	All-acoustic duplexers using directional couplers
US9755668B2 (en)	2015-09-30	2017-09-05	Abtum Inc.	Radio frequency complex reflection coefficient reader
US10038458B2 (en)	2015-10-06	2018-07-31	Abtum Inc.	Reflection-based radio-frequency multiplexers
WO2017065997A1 (en)	2015-10-12	2017-04-20	Abtum Inc.	Hybrid-coupler-based radio frequency multiplexers
KR102419926B1 (en)	2016-09-21	2022-07-11	코르보 유에스, 인크.	Improved Isolation of Hybrid-Based Radio Frequency Duplexers and Multiplexers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4100504A (en) *	1977-06-20	1978-07-11	Harris Corporation	Band rejection filter having integrated impedance inverter-tune cavity configuration
SU1363332A1 (en) *	1986-04-08	1987-12-30	Предприятие П/Я Г-4173	Frequency-selecting vhf-device
US4963945A (en) *	1989-04-07	1990-10-16	Plessey Electronic Systems Corp.	Band rejection filtering arrangement
US5055808A (en) *	1990-09-21	1991-10-08	Motorola, Inc.	Bandwidth agile, dielectrically loaded resonator filter
US5173672A (en) *	1991-07-22	1992-12-22	Motorola, Inc.	Dielectric block filter with included shielded transmission line inductors
US5202654A (en) *	1991-07-22	1993-04-13	Motorola, Inc.	Multi-stage monolithic ceramic bandstop filter with isolated filter stages
US5221912A (en) *	1991-10-24	1993-06-22	Keane William J	YIG tuned band reject filter for 2-18 GHz with full one-quarter wavelength RF coupling loops
GB2269705B (en) *	1992-08-15	1996-05-29	Racal Mesl Ltd	Electrical filter

1993
- 1993-11-24 GB GB9324149A patent/GB2284311B/en not_active Expired - Fee Related
1994
- 1994-11-24 WO PCT/GB1994/002582 patent/WO1995015018A1/en not_active Ceased
- 1994-11-24 EP EP95901546A patent/EP0730784A1/en not_active Withdrawn
- 1994-11-24 CA CA002176928A patent/CA2176928A1/en not_active Abandoned
- 1994-11-24 FI FI962188A patent/FI962188L/en not_active Application Discontinuation
1996
- 1996-05-23 NO NO962110A patent/NO962110L/en unknown

Also Published As

Publication number	Publication date
GB2284311B (en)	1998-03-04
WO1995015018A1 (en)	1995-06-01
FI962188A7 (en)	1996-07-15
FI962188A0 (en)	1996-05-23
EP0730784A1 (en)	1996-09-11
NO962110L (en)	1996-07-02
CA2176928A1 (en)	1995-06-01
GB9324149D0 (en)	1994-01-12
GB2284311A (en)	1995-05-31
FI962188L (en)	1996-07-15

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DE69513072D1 (en)	1999-12-09	Low pass filter
DE59504889D1 (en)	1999-03-04	filter
DE69429551D1 (en)	2002-02-07	Line filter
FI951352L (en)	1996-09-23	Step-adjustable filter
NO962110D0 (en)	1996-05-23	Hybrid narrowband filter
DE19580356T1 (en)	1997-04-24	Multi-department filter
DE69622622D1 (en)	2002-09-05	filter
BR9504622A (en)	1996-10-08	Filter
FI101201B1 (en)	1998-05-15	Filter
DE69409926D1 (en)	1998-06-04	Filter system
FI943265L (en)	1995-01-09	Connection filter
ATA122493A (en)	1995-10-15	FILTER
DE69314189D1 (en)	1997-10-30	FILTER DESIGN
FI962317L (en)	1996-06-10	Filter
FI971091L (en)	1997-03-14	Filter
FI1065U1 (en)	1993-12-13	Filter
KR940019781U (en)	1994-08-22	Line filter
KR940022451U (en)	1994-10-20	Car backmiller filter
DK53794A (en)	1994-11-14	well Filter
KR940026298U (en)	1994-12-08	Filter case
SE9300499D0 (en)	1993-02-16	FILTER
FI955733A0 (en)	1995-11-28	Filter
FI933364A0 (en)	1993-07-28	Filter
SE9300719D0 (en)	1993-03-04	FILTER
SE9300860D0 (en)	1993-03-16	FILTER