DE58905789D1 - Hochfrequenz-bandpassfilter. - Google Patents

Hochfrequenz-bandpassfilter.

Info

Publication number: DE58905789D1
Authority: DE; Germany
Prior art keywords: high frequency; frequency band; pass filter; band pass; filter
Prior art date: 1988-10-18
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

DE89908824T

Other languages

English (en)

Inventor

Dieter Seitzer

Thomas Brockdorff

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.)

Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV

Original Assignee

Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV

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.)

1988-10-18

Filing date

1989-08-01

Publication date

1993-11-04

1989-08-01 Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV

1993-11-04 Application granted granted Critical

1993-11-04 Publication of DE58905789D1 publication Critical patent/DE58905789D1/de

2009-08-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20354—Non-comb or non-interdigital filters
- H01P1/20363—Linear resonators

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Control Of Motors That Do Not Use Commutators (AREA)

DE89908824T 1988-10-18 1989-08-01 Hochfrequenz-bandpassfilter. Expired - Fee Related DE58905789D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3835480A DE3835480A1 (de)	1988-10-18	1988-10-18	Hochfrequenz-bandpassfilter
PCT/EP1989/000902 WO1990004861A1 (de)	1988-10-18	1989-08-01	Hochfrequenz-bandpassfilter

Publications (1)

Publication Number	Publication Date
DE58905789D1 true DE58905789D1 (de)	1993-11-04

Family

ID=6365389

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE3835480A Withdrawn DE3835480A1 (de)	1988-10-18	1988-10-18	Hochfrequenz-bandpassfilter
DE89908824T Expired - Fee Related DE58905789D1 (de)	1988-10-18	1989-08-01	Hochfrequenz-bandpassfilter.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE3835480A Withdrawn DE3835480A1 (de)	1988-10-18	1988-10-18	Hochfrequenz-bandpassfilter

Country Status (4)

Country	Link
US (1)	US5136269A (de)
EP (1)	EP0440661B1 (de)
DE (2)	DE3835480A1 (de)
WO (1)	WO1990004861A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2246670B (en) *	1990-08-03	1995-04-12	Mohammad Reza Moazzam	Microstrip coupled lines filters with improved performance
DE4213195C2 (de) *	1992-04-22	1995-01-19	Rohde & Schwarz	Mehrkreisiges Leitungsfilter
DE59209349D1 (de) *	1992-12-01	1998-07-02	Siemens Ag	Spannungsgesteuerter Mikrowellen-Oszillator
US5442330A (en) *	1993-12-27	1995-08-15	Motorola, Inc.	Coupled line filter with improved out-of-band rejection
KR20010094784A (ko) *	2000-04-06	2001-11-03	윤종용	커패시터 보상회로를 갖는 콤라인 구조의 무선필터
KR100392682B1 (ko) *	2001-02-26	2003-07-28	삼성전자주식회사	주파수 차단회로를 가지는 콤라인 구조의 무선필터 및 그구현 방법
JP2005117433A (ja) *	2003-10-08	2005-04-28	Eudyna Devices Inc	フィルタ
KR100675393B1 (ko) *	2005-02-25	2007-01-29	삼성전자주식회사	집중소자 커패시터와 접지를 이용하여 소형화한 평행결합선로 필터 및 그 제조방법
JP4230467B2 (ja) *	2005-02-25	2009-02-25	日本電波工業株式会社	コプレーナライン型の共振器を用いた高周波フィルタ
JP4720907B2 (ja) *	2006-09-28	2011-07-13	株式会社村田製作所	誘電体フィルタ、チップ素子、およびチップ素子製造方法
JP5464864B2 (ja) *	2009-02-25	2014-04-09	京セラ株式会社	フィルタ回路ならびにそれを用いた無線通信モジュールおよび無線通信機器
JP5936133B2 (ja) *	2011-01-28	2016-06-15	国立大学法人電気通信大学	伝送線路共振器並びに伝送線路共振器を用いた帯域通過フィルタ、分波器、平衡−不平衡変換器、電力分配器、不平衡−平衡変換器、周波数混合器及びバランス型フィルタ
US10249582B2 (en) *	2016-12-19	2019-04-02	Nxp Usa, Inc.	Radio frequency (RF) devices with resonant circuits to reduce coupling
US10581132B2 (en) *	2017-05-11	2020-03-03	Eagantu Ltd.	Tuneable band pass filter
US10454148B2 (en)	2017-05-11	2019-10-22	Eagantu Ltd.	Compact band pass filter
EP4369522A4 (de) *	2021-07-09	2025-07-16	Agc Inc	Reflexionsanordnung und drahtloskommunikationsvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1358980A (en) *	1971-06-15	1974-07-03	Ferranti Ltd	Microwave filters
FR2510326A1 (fr) *	1981-07-24	1983-01-28	Thomson Csf	Filtre passe-bande a resonateurs lineaires ouverts a leurs deux extremites
FR2540294B1 (fr) *	1983-01-31	1985-10-04	Thomson Csf	Filtre hyperfrequence a resonateurs lineaires
JPS61177001A (ja) *	1985-01-31	1986-08-08	Maspro Denkoh Corp	マイクロ波フイルタ
FR2613538A1 (fr) *	1987-03-31	1988-10-07	Thomson Csf	Filtre hyperfrequence
FR2613557A1 (fr) *	1987-03-31	1988-10-07	Thomson Csf	Filtre comportant des elements a constantes reparties associant deux types de couplage
JPH02146801A (ja) *	1988-11-28	1990-06-06	Fujitsu Ltd	中心周波数可変帯域通過フィルタ

1988
- 1988-10-18 DE DE3835480A patent/DE3835480A1/de not_active Withdrawn
1989
- 1989-08-01 EP EP89908824A patent/EP0440661B1/de not_active Expired - Lifetime
- 1989-08-01 DE DE89908824T patent/DE58905789D1/de not_active Expired - Fee Related
- 1989-08-01 WO PCT/EP1989/000902 patent/WO1990004861A1/de not_active Ceased
1991
- 1991-02-22 US US07/660,560 patent/US5136269A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0440661A1 (de)	1991-08-14
WO1990004861A1 (de)	1990-05-03
US5136269A (en)	1992-08-04
DE3835480A1 (de)	1990-04-19
EP0440661B1 (de)	1993-09-29

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Legal Events

Date	Code	Title	Description
1994-10-27	8364	No opposition during term of opposition
2001-09-06	8339	Ceased/non-payment of the annual fee