DE3578529D1 - Filter-anordnung. - Google Patents

Filter-anordnung.

Info

Publication number: DE3578529D1
Authority: DE; Germany
Prior art keywords: filter arrangement; filter; arrangement
Prior art date: 1984-05-01
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 - Lifetime

Application number

DE8585200636T

Other languages

English (en)

Inventor

Roermund Arthur Hermanus M Van

Petrus Maria Cornel Coppelmans

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1984-05-01

Filing date

1985-04-24

Publication date

1990-08-09

1985-04-24 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1990-08-09 Application granted granted Critical

1990-08-09 Publication of DE3578529D1 publication Critical patent/DE3578529D1/de

2005-04-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/24—Frequency-independent attenuators
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters

DE8585200636T 1984-05-01 1985-04-24 Filter-anordnung. Expired - Lifetime DE3578529D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8401370A NL8401370A (nl)	1984-05-01	1984-05-01	Filterschakeling.

Publications (1)

Publication Number	Publication Date
DE3578529D1 true DE3578529D1 (de)	1990-08-09

Family

ID=19843872

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8585200636T Expired - Lifetime DE3578529D1 (de)	1984-05-01	1985-04-24	Filter-anordnung.

Country Status (6)

Country	Link
US (1)	US4691171A (de)
EP (1)	EP0163333B1 (de)
JP (1)	JPS60254815A (de)
CA (1)	CA1232037A (de)
DE (1)	DE3578529D1 (de)
NL (1)	NL8401370A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4791379A (en) *	1985-02-13	1988-12-13	U.S. Philips Corporation	Electrical filter with adjustable RC product
GB2189955B (en) *	1986-04-30	1990-02-14	Philips Electronic Associated	Electrical filter
GB2190255B (en) *	1986-04-30	1989-11-29	Philips Electronic Associated	Electrical filter
JPS6335006A (ja) *	1986-07-30	1988-02-15	Toshiba Corp	自動調整フイルタ
US5063309A (en) *	1990-03-28	1991-11-05	Silicon Systems, Inc.	High frequency continuous time filter
US5124593A (en) *	1990-09-26	1992-06-23	National Semiconductor Corporation	Continuous-time filter tuning circuit and method
JP3168425B2 (ja) *	1991-01-22	2001-05-21	インフォメーション・ストレジ・デバイシーズ・インコーポレーテッド	集積ｍｏｓｆｅｔ抵抗及び発振器周波数の制御及びトリム方法とその装置
US5243239A (en) *	1991-01-22	1993-09-07	Information Storage Devices, Inc.	Integrated MOSFET resistance and oscillator frequency control and trim methods and apparatus
EP0579876B1 (de) *	1992-07-24	1998-09-02	Alcatel	Frequenzabstimmungssystem für ein Paar C-Transkonduktanzoperationsverstärker
JPH0760988B2 (ja) *	1993-02-15	1995-06-28	日本電気株式会社	フィルタ回路
EP0851378B1 (de) *	1996-12-30	2004-03-10	DATALOGIC S.p.A.	Verfahren und Vorrichtung zum Messen und Regulieren einer Zeitkonstanten einer elektronischen Schaltung, die Teil eines optischen Kodelesers ist
FR2775141B1 (fr) *	1998-02-19	2002-10-11	Sgs Thomson Microelectronics	Dispositif d'etalonnage de constantes de temps
US6873205B1 (en)	2000-10-27	2005-03-29	The Trustees Of Columbia University In The City Of New York	Active continuous-time filter with increased dynamic range in the presence of blocker signals
US7646236B2 (en) *	2006-04-07	2010-01-12	Qualcomm Incorporated	Method and apparatus for tuning resistors and capacitors
TWI381173B (zh) *	2008-10-29	2013-01-01	Raydium Semiconductor Corp	電容量測電路及其電容量測方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3070762A (en) *	1960-05-02	1962-12-25	Texas Instruments Inc	Voltage tuned resistance-capacitance filter, consisting of integrated semiconductor elements usable in phase shift oscillator
FR2109514A6 (de) *	1969-06-20	1972-05-26	Anvar
US3715680A (en) *	1971-07-29	1973-02-06	Bell Telephone Labor Inc	Active rc loss equalizer
US3760289A (en) *	1972-06-21	1973-09-18	Kinetic Technology Inc	Active filter network having a variable center frequency
US3824501A (en) *	1973-07-12	1974-07-16	Bell Telephone Labor Inc	Automatic cable equalizer
GB1585081A (en) *	1976-01-07	1981-02-25	Perkin Elmer Ltd	Scanning spectrophotometers
US4132957A (en) *	1977-10-26	1979-01-02	Hekimian Laboratories, Inc.	Programmable amplifier
US4392068A (en) *	1981-07-17	1983-07-05	General Electric Company	Capacitive commutating filter
NL8203979A (nl) *	1982-10-15	1984-05-01	Philips Nv	Inrichting voor het verzwakken van een analoog signaal.

1984
- 1984-05-01 NL NL8401370A patent/NL8401370A/nl not_active Application Discontinuation
1985
- 1985-04-24 EP EP85200636A patent/EP0163333B1/de not_active Expired
- 1985-04-24 DE DE8585200636T patent/DE3578529D1/de not_active Expired - Lifetime
- 1985-04-25 CA CA000480109A patent/CA1232037A/en not_active Expired
- 1985-04-29 US US06/728,126 patent/US4691171A/en not_active Expired - Fee Related
- 1985-04-30 JP JP60093509A patent/JPS60254815A/ja active Pending

Also Published As

Publication number	Publication date
US4691171A (en)	1987-09-01
JPS60254815A (ja)	1985-12-16
EP0163333A1 (de)	1985-12-04
EP0163333B1 (de)	1990-07-04
NL8401370A (nl)	1985-12-02
CA1232037A (en)	1988-01-26

Legal Events

Date	Code	Title	Description
1991-08-01	8364	No opposition during term of opposition
1992-05-07	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3789494T2 (de)	1994-07-14	Filterzusammenbau.
NO854569L (no)	1986-05-20	Sigarettfilter.
FI834633A (fi)	1985-06-17	Automatiskt reningssystem foer filter.
DE3852888D1 (de)	1995-03-09	Filteranordnung.
DE3587215T2 (de)	1993-07-22	Farbfilter.
FI850622A0 (fi)	1985-02-14	Keramisk filter.
NO164452C (no)	1990-10-10	Sigarettfilter.
DE3582513D1 (de)	1991-05-23	Integrierter filter.
DE3773361D1 (de)	1991-10-31	Filteranordnung.
DE3582632D1 (de)	1991-05-29	Faserbettfilter.
DE3578529D1 (de)	1990-08-09	Filter-anordnung.
NO162742C (no)	1990-02-14	Sigarettfilter.
DE3776631D1 (de)	1992-03-19	Filteranordnung.
DE3582138D1 (de)	1991-04-18	Netzfilter.
DE3584122D1 (de)	1991-10-24	Filtermatte.
DE3772337D1 (de)	1991-09-26	Filteranordnung.
DE3587106T2 (de)	1993-06-09	Kammfilter.
DE3581275D1 (de)	1991-02-14	Filterbett.
NO163557C (no)	1990-06-20	Kassettfilter.
FI73542B (fi)	1987-06-30	Faestanordning foer eldosor.
ATE66379T1 (de)	1991-09-15	Filter.
FI841891A0 (fi)	1984-05-11	Filter foer vaedringsluft.
FI843269A (fi)	1986-02-18	Sjaelvrenande filter foer viskoesa suspensioner.
DE3770996D1 (de)	1991-08-01	Filteranordnung.
DE3680117D1 (de)	1991-08-08	Filteranordnung.