DE68906176T2 - Umschaltbare selbstabgleichende filterschaltung fuer runkfunksender und/oder rundfunkempfaenger. - Google Patents

Umschaltbare selbstabgleichende filterschaltung fuer runkfunksender und/oder rundfunkempfaenger.

Info

Publication number: DE68906176T2
Authority: DE; Germany
Prior art keywords: filter circuit; radio transmitters; broadcast receivers; balancing filter; switchable self
Prior art date: 1988-02-17
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

DE8989400337T

Other languages

English (en)

Other versions

DE68906176D1 (de

Inventor

Jean-Michel Trumpff

Michel Byzery

Gilles Raineteau

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.)

Thales SA

Original Assignee

Thomson CSF SA

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.)

1988-02-17

Filing date

1989-02-07

Publication date

1993-08-05

1989-02-07 Application filed by Thomson CSF SA filed Critical Thomson CSF SA

1993-06-03 Publication of DE68906176D1 publication Critical patent/DE68906176D1/de

1993-08-05 Application granted granted Critical

1993-08-05 Publication of DE68906176T2 publication Critical patent/DE68906176T2/de

2009-02-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control

DE8989400337T 1988-02-17 1989-02-07 Umschaltbare selbstabgleichende filterschaltung fuer runkfunksender und/oder rundfunkempfaenger. Expired - Fee Related DE68906176T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8801859A FR2627336B1 (fr)	1988-02-17	1988-02-17	Filtre auto-adaptatif commutable pour poste emetteur et/ou recepteur radio

Publications (2)

Publication Number	Publication Date
DE68906176D1 DE68906176D1 (de)	1993-06-03
DE68906176T2 true DE68906176T2 (de)	1993-08-05

Family

ID=9363329

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8989400337T Expired - Fee Related DE68906176T2 (de)	1988-02-17	1989-02-07	Umschaltbare selbstabgleichende filterschaltung fuer runkfunksender und/oder rundfunkempfaenger.

Country Status (4)

Country	Link
US (1)	US5023941A (de)
EP (1)	EP0329525B1 (de)
DE (1)	DE68906176T2 (de)
FR (1)	FR2627336B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2688955B1 (fr) *	1992-03-17	1996-11-15	Thomson Csf	Filtre accordable haute frequence.
JPH1013181A (ja) *	1996-06-21	1998-01-16	Nec Corp	Ｉｆフィルタ自動整合方式
GB2453622B (en) *	2008-08-21	2009-09-16	Cambridge Silicon Radio Ltd	Tuneable filter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1941710A1 (de) *	1969-08-16	1971-02-25	Licentia Gmbh	Verfahren zum automatischen Nachstimmen eines Filters
US3757236A (en) *	1971-12-17	1973-09-04	Avco Corp	Band pass filter and detection circuit
JPS5791334U (de) *	1980-11-21	1982-06-05
US4466133A (en) *	1981-05-22	1984-08-14	The General Electric Company, P.L.C.	Radio receiver apparatus including multipath fade compensating arrangement
DE3231708A1 (de) *	1982-08-26	1984-03-01	Robert Bosch Gmbh, 7000 Stuttgart	Filter- und demodulationsschaltung
DE3236162A1 (de) *	1982-09-30	1984-04-05	Rainer Dipl.-Ing. 6500 Mainz Bermbach	Selbstabgleichender schmalbandempfaenger
JPS6150354U (de) *	1984-09-03	1986-04-04
GB2168868A (en) *	1984-12-19	1986-06-25	Philips Electronic Associated	Polyphase filters
FR2582170A1 (fr) *	1985-05-15	1986-11-21	Cit Alcatel	Dipole auto-adaptatif
US4792993A (en) *	1985-10-30	1988-12-20	Capetronic (Bsr) Ltd.	TVRD receiver system with automatic bandwidth adjustment

1988
- 1988-02-17 FR FR8801859A patent/FR2627336B1/fr not_active Expired - Lifetime
1989
- 1989-02-07 EP EP89400337A patent/EP0329525B1/de not_active Expired - Lifetime
- 1989-02-07 DE DE8989400337T patent/DE68906176T2/de not_active Expired - Fee Related
- 1989-02-14 US US07/310,361 patent/US5023941A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FR2627336B1 (fr)	1990-06-08
DE68906176D1 (de)	1993-06-03
EP0329525A1 (de)	1989-08-23
US5023941A (en)	1991-06-11
EP0329525B1 (de)	1993-04-28
FR2627336A1 (fr)	1989-08-18

Similar Documents

Publication	Publication Date	Title
DE69029582D1 (de)	1997-02-13	Funkempfänger
DE69029035D1 (de)	1996-12-05	Digitales funkübertragungssystem und zweiwegeradio
DE3855263T2 (de)	1997-01-09	Rundfunkempfänger
DE59207560D1 (de)	1997-01-09	RDS-Rundfunkempfänger
DE68911607T2 (de)	1994-05-26	Hochfrequenzverbindungs- und Abschirmungssystem.
NO883710D0 (no)	1988-08-19	Radiofrekvensskjermet hybridkrets.
DK184287A (da)	1987-04-10	Digital radiofrekvensmodtager
DE3889086D1 (de)	1994-05-19	FM-Empfängerschaltung.
DE68922177D1 (de)	1995-05-18	Schaltungsanordnung für Funkempfänger.
DK346084D0 (da)	1984-07-13	Radiomodtager
DE58907655D1 (de)	1994-06-16	Fm-rundfunkempfangsteil.
DE58906952D1 (de)	1994-03-24	Fm-rundfunkempfangsteil.
DK18385D0 (da)	1985-01-15	Radiomodtager
DE69527862D1 (de)	2002-10-02	Schaltung zur Zeitüberschreitungsverarbeitung und Empfänger mit dieser Schaltung
DE58907045D1 (de)	1994-03-31	Fm-rundfunkempfangsteil.
NL191473C (nl)	1995-07-18	Radio-ontvanger met elektronische afstemming.
DE68906176D1 (de)	1993-06-03	Umschaltbare selbstabgleichende filterschaltung fuer runkfunksender und/oder rundfunkempfaenger.
ES534134A0 (es)	1985-04-01	Dispositivo de sintonizacion de radiofrecuencia
NO175999C (no)	1995-01-11	Radiofrekvens-begrenserkrets
DE68925230D1 (de)	1996-02-08	Übertrager und Empfänger für Fernsehsignale
FI906098A0 (fi)	1990-12-12	Radiotaajuisten signaalien yhdistämis-/lajittelulaite
DE58909477D1 (de)	1995-12-07	Schaltungsanordnung zur Beseitigung von Störungen beim mobilen Funkempfang.
KR960008413B1 (en)	1996-06-26	Am radio receiver
AT383915B (de)	1987-09-10	Schaltungsanordnung fuer einen elektronischen rundsteuerempfaenger
ZA844168B (en)	1985-04-24	Tuning circuit for the uhf and vhf ranges

Legal Events

Date	Code	Title	Description
1994-05-26	8320	Willingness to grant licences declared (paragraph 23)
1994-05-26	8364	No opposition during term of opposition
1994-06-09	8327	Change in the person/name/address of the patent owner	Owner name: THOMSON-CSF, PARIS, FR
1994-06-09	8328	Change in the person/name/address of the agent	Free format text: PRINZ, E., DIPL.-ING. LEISER, G., DIPL.-ING. SCHWEPFINGER, K., DIPL.-ING. BUNKE, H., DIPL.-CHEM. DR.RER.NAT. DEGWERT, H., DIPL.-PHYS., PAT.-ANWAELTE, 81241 MUENCHEN
1999-03-11	8339	Ceased/non-payment of the annual fee