DE69108501T2 - Steuerbare Bandpass-Filterschaltung. - Google Patents

Steuerbare Bandpass-Filterschaltung.

Info

Publication number: DE69108501T2
Authority: DE; Germany
Prior art keywords: filter circuit; bandpass filter; controllable bandpass; controllable; circuit
Prior art date: 1990-09-29
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

DE69108501T

Other languages

English (en)

Other versions

DE69108501D1 (de

Inventor

Hiroshi Nomura

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.)

Sanyo Electric Co Ltd

Original Assignee

Sanyo Electric Co 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.)

1990-09-29

Filing date

1991-09-30

Publication date

1996-01-11

1991-09-30 Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd

1995-05-04 Application granted granted Critical

1995-05-04 Publication of DE69108501D1 publication Critical patent/DE69108501D1/de

1996-01-11 Publication of DE69108501T2 publication Critical patent/DE69108501T2/de

2011-10-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks

DE69108501T 1990-09-29 1991-09-30 Steuerbare Bandpass-Filterschaltung. Expired - Fee Related DE69108501T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2260778A JP2962800B2 (ja)	1990-09-29	1990-09-29	可変バンドパスフィルタの制御回路

Publications (2)

Publication Number	Publication Date
DE69108501D1 DE69108501D1 (de)	1995-05-04
DE69108501T2 true DE69108501T2 (de)	1996-01-11

Family

ID=17352598

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69108501T Expired - Fee Related DE69108501T2 (de)	1990-09-29	1991-09-30	Steuerbare Bandpass-Filterschaltung.

Country Status (5)

Country	Link
US (1)	US5182478A (de)
EP (1)	EP0479201B1 (de)
JP (1)	JP2962800B2 (de)
CA (1)	CA2052385C (de)
DE (1)	DE69108501T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4038111A1 (de) *	1990-11-29	1992-06-04	Thomson Brandt Gmbh	Universalfilter
JP2840490B2 (ja) *	1991-11-29	1998-12-24	三菱電機株式会社	アクティブフィルタ回路
KR100189961B1 (ko) *	1992-04-09	1999-06-01	윤종용	잡음 제거 장치
US5345119A (en) *	1992-09-16	1994-09-06	At&T Bell Laboratories	Continuous-time filter tuning with a delay-locked-loop in mass storage systems or the like
JPH07193454A (ja) *	1993-12-27	1995-07-28	Nec Corp	帯域通過フィルタ
US5635863A (en) *	1995-05-25	1997-06-03	Vtc, Inc.	Programmable phase comparator
GB2340613B (en) *	1995-06-12	2000-04-05	Samsung Electronics Co Ltd	Digitizer controller
US6141425A (en) *	1996-09-30	2000-10-31	Sony Corporation	Sound quality adjustment circuit
JP2002076842A (ja) *	2000-08-30	2002-03-15	Sony Corp	フィルタ装置、フィルタ制御方法、及び受信装置
JP2002374149A (ja) *	2001-06-12	2002-12-26	Sharp Corp	可変周波数フィルタ回路
DE102004047871A1 (de) *	2004-10-01	2006-04-06	Deutsche Thomson-Brandt Gmbh	Signal-Eingangsschaltung
KR20080072790A (ko) *	2005-05-25	2008-08-07	콸콤 인코포레이티드	필터 보정
JPWO2007004465A1 (ja) *	2005-07-04	2009-01-22	パナソニック株式会社	半導体装置およびそれを用いた無線回路装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1156199B (it) *	1978-04-18	1987-01-28	Selenia Ind Elettroniche	Perfezionamento nei circuiti si sintonia automatica per filtri controllati in tensione mediante controllo di fase digitale
JPS60214617A (ja) *	1984-04-11	1985-10-26	Hitachi Ltd	フイルタ集積回路
JPH0626296B2 (ja) *	1984-10-29	1994-04-06	株式会社日立製作所	無調整フイルタ
JPS61281613A (ja) *	1985-05-20	1986-12-12	Sanyo Electric Co Ltd	アクテイブフイルタの自動調整装置
JPS62117407A (ja) *	1985-11-18	1987-05-28	Sanyo Electric Co Ltd	アクティブフィルタの自動調整装置
JPH0681317B2 (ja) *	1986-06-16	1994-10-12	株式会社日立製作所	色同期回路
JPH0787332B2 (ja) *	1986-07-18	1995-09-20	株式会社東芝	フイルタ回路の時定数自動調整回路
US5023491A (en) *	1988-01-18	1991-06-11	Nec Corporation	Filter circuit arrangements with automatic adjustment of cut-off frequencies

1990
- 1990-09-29 JP JP2260778A patent/JP2962800B2/ja not_active Expired - Fee Related
1991
- 1991-09-27 CA CA002052385A patent/CA2052385C/en not_active Expired - Fee Related
- 1991-09-30 DE DE69108501T patent/DE69108501T2/de not_active Expired - Fee Related
- 1991-09-30 US US07/767,783 patent/US5182478A/en not_active Expired - Lifetime
- 1991-09-30 EP EP91116686A patent/EP0479201B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0479201A3 (en)	1992-05-20
JPH04138711A (ja)	1992-05-13
DE69108501D1 (de)	1995-05-04
EP0479201A2 (de)	1992-04-08
EP0479201B1 (de)	1995-03-29
US5182478A (en)	1993-01-26
CA2052385C (en)	2000-10-24
JP2962800B2 (ja)	1999-10-12
CA2052385A1 (en)	1992-03-30

Legal Events

Date	Code	Title	Description
1996-04-25	8364	No opposition during term of opposition
2007-07-26	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69114216D1 (de)	1995-12-07	Abstimmbares Bandpass Filter.
DE69122459D1 (de)	1996-11-07	Filter
FI931506A0 (fi)	1993-04-02	Filter foer filtrering av vaetskor
DE69204578D1 (de)	1995-10-12	Dielektrischer Filter.
DE68920971D1 (de)	1995-03-16	Bandpassfilter.
DE69129666D1 (de)	1998-07-30	Elektrete Filter
DE59008261D1 (de)	1995-02-23	Medianfilter.
DE3777408D1 (de)	1992-04-16	Paralleler filterkreis.
DE68910379D1 (de)	1993-12-09	Filterkreis.
FI921995A (fi)	1992-05-04	Filter av bandpass-typ.
DE69108501T2 (de)	1996-01-11	Steuerbare Bandpass-Filterschaltung.
DE68920399D1 (de)	1995-02-16	Filterschaltungsanordnung.
DE3788413D1 (de)	1994-01-20	Filterschaltung.
DE69221551T2 (de)	1997-12-11	Integrierende Filterschaltung
DE69113896D1 (de)	1995-11-23	Dielektrische Filter.
DE69103022T2 (de)	1995-03-02	Filter.
DE69125273T2 (de)	1997-08-28	Dielektrisches filter
DE69103326D1 (de)	1994-09-15	Filteranordnungen.
FI900143A0 (fi)	1990-01-10	Keramiskt filter foer filtrering av metallsmaelter.
FI900719A0 (fi)	1990-02-14	Filter.
DE69007174T2 (de)	1994-06-16	Filterschaltungen.
DE68914396T2 (de)	1994-11-10	UHF-Bandpassfilter.
FR2665576B1 (fr)	1992-11-20	Filtre hyperfrequence.
NO904366D0 (no)	1990-10-09	Marint filter.
NL194458B (nl)	2001-12-03	Banddoorlaatfilter.