DE3538921C2 - - Google Patents

Info

Publication number
DE3538921C2
DE3538921C2 DE19853538921 DE3538921A DE3538921C2 DE 3538921 C2 DE3538921 C2 DE 3538921C2 DE 19853538921 DE19853538921 DE 19853538921 DE 3538921 A DE3538921 A DE 3538921A DE 3538921 C2 DE3538921 C2 DE 3538921C2
Authority
DE
Germany
Prior art keywords
circuit
input filter
frequency
vhf band
tuner according
Prior art date
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
DE19853538921
Other languages
German (de)
English (en)
Other versions
DE3538921A1 (de
Inventor
Emil Dipl.-Ing. 8425 Neustadt De Leipert
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.)
Conti Temic Microelectronic GmbH
Original Assignee
Telefunken Electronic GmbH
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.)
Filing date
Publication date
Application filed by Telefunken Electronic GmbH filed Critical Telefunken Electronic GmbH
Priority to DE19853538921 priority Critical patent/DE3538921A1/de
Priority to DE19863633383 priority patent/DE3633383A1/de
Publication of DE3538921A1 publication Critical patent/DE3538921A1/de
Application granted granted Critical
Publication of DE3538921C2 publication Critical patent/DE3538921C2/de
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE19853538921 1985-11-02 1985-11-02 Fernsehtuner Granted DE3538921A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19853538921 DE3538921A1 (de) 1985-11-02 1985-11-02 Fernsehtuner
DE19863633383 DE3633383A1 (de) 1985-11-02 1986-10-01 Fernsehtuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853538921 DE3538921A1 (de) 1985-11-02 1985-11-02 Fernsehtuner

Publications (2)

Publication Number Publication Date
DE3538921A1 DE3538921A1 (de) 1987-05-14
DE3538921C2 true DE3538921C2 (US20020128544A1-20020912-P00008.png) 1990-07-12

Family

ID=6285027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853538921 Granted DE3538921A1 (de) 1985-11-02 1985-11-02 Fernsehtuner

Country Status (1)

Country Link
DE (1) DE3538921A1 (US20020128544A1-20020912-P00008.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633384A1 (de) * 1986-10-01 1988-04-14 Telefunken Electronic Gmbh Fernsehtuner fuer drei unterschiedliche frequenzbereiche
GB2196197B (en) * 1986-10-01 1990-09-19 Telefunken Electronic Gmbh Television tuner
NL8701641A (nl) * 1987-07-13 1989-02-01 Philips Nv Tv-hf ingangsschakeling.
DE3821716A1 (de) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh Fernsehtuner mit einer bandfilterschaltung
DE3821714A1 (de) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh Fernsehtuner
DE3821715A1 (de) * 1988-06-28 1990-01-04 Telefunken Electronic Gmbh Eingangsschaltung eines fernsehtuners
US6522870B1 (en) 1997-12-05 2003-02-18 Thomson Licensing S.A. Automatic gain-controlled VHF/UHF antenna tuning apparatus
JP4246913B2 (ja) 1997-12-05 2009-04-02 トムソン ライセンシング Vhf/uhf信号受信用の平面アンテナ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371821A1 (fr) * 1976-10-25 1978-06-16 Indesit Dispositif d'accord pour recepteur de television
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver
DE3144390A1 (de) * 1981-11-07 1983-05-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schwingkreisschaltung
DE3333712A1 (de) * 1983-09-17 1985-04-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Mischeranordnung zur mischung hochfrequenter elektrischer schwingungen
DE3509517A1 (de) * 1985-03-16 1986-09-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen tuner zur umschaltung zweier frequenzbaender

Also Published As

Publication number Publication date
DE3538921A1 (de) 1987-05-14

Similar Documents

Publication Publication Date Title
DE3821716C2 (US20020128544A1-20020912-P00008.png)
DE3133547C2 (US20020128544A1-20020912-P00008.png)
DE2334570B1 (de) Abstimmbare Hochfrequenz-Eingangsschaltungsanordnung fuer einen Fernsehempfaenger
DE2828838A1 (de) Hochfrequenz-schaltungsanordnung
EP0818888B1 (de) Umschaltbares Bandfilter für Mehrband-Tuner
DE3606437C2 (US20020128544A1-20020912-P00008.png)
DE3538921C2 (US20020128544A1-20020912-P00008.png)
EP0126340A2 (de) Eingangsschaltung mit wenigstens zwei Eingangswegen
DE3633384C2 (US20020128544A1-20020912-P00008.png)
DE3887835T2 (de) Bandpass-Filteranordnung.
DE10300892A1 (de) Schaltbares abstimmbares Bandfilter mit optimiertem Frequenzgang
EP0761038B1 (de) Frequenzveränderbare oszillatoranordnung
EP0089078B1 (de) Schaltungsanordnung für einen FM-Empfänger
EP0196130B1 (de) Schaltungsanordnung der Eingangsstufen eines Fernsehtuners
EP1128552B1 (de) Schaltungsanordnung zur Filterung eines Hochfrequenzsignals
DE2503785C3 (de) Kombituner für die Frequenzbereiche UHF und VHF
EP0348697A2 (de) Fernsehtuner
DE19715956C2 (de) Eingangsschaltung für einen Fernsehtuner
EP1307963B1 (de) Hochfrequenz-eingangsstufe
DE3345497A1 (de) Mischstufe
DE10012872C1 (de) Elektronisches Bauelement mit Kapazitätsdioden, Verwendung des Bauelements in einer Empfangseinheit und Schaltungsanordnung mit dem Bauelement (z.B. Drei-Band-Fernseh-Tuner)
DE60007948T2 (de) Oszillator mit einem abstimmbaren Schwingkreis
EP0348698B1 (de) Eingangsschaltung eines Fernsehtuners
DE3144390A1 (de) Schwingkreisschaltung
EP0128532A2 (de) Abstimmschaltung für die Bereiche UHF- und VHF

Legal Events

Date Code Title Description
8101 Request for examination as to novelty
8105 Search report available
AG Has addition no.

Ref country code: DE

Ref document number: 3633383

Format of ref document f/p: P

8110 Request for examination paragraph 44
AG Has addition no.

Ref country code: DE

Ref document number: 3633383

Format of ref document f/p: P

D2 Grant after examination
8320 Willingness to grant licenses declared (paragraph 23)
8364 No opposition during term of opposition
AG Has addition no.

Ref country code: DE

Ref document number: 3633383

Format of ref document f/p: P

8327 Change in the person/name/address of the patent owner

Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, 74072 HEILB

8339 Ceased/non-payment of the annual fee