ES8502593A1 - Disposicion de circuito de entrada para aparatos receptores de television - Google Patents

Disposicion de circuito de entrada para aparatos receptores de television

Info

Publication number
ES8502593A1
ES8502593A1 ES532225A ES532225A ES8502593A1 ES 8502593 A1 ES8502593 A1 ES 8502593A1 ES 532225 A ES532225 A ES 532225A ES 532225 A ES532225 A ES 532225A ES 8502593 A1 ES8502593 A1 ES 8502593A1
Authority
ES
Spain
Prior art keywords
input circuit
television receiver
output
circuit arrangement
frequency
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
Application number
ES532225A
Other languages
English (en)
Other versions
ES532225A0 (es
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6199364&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES8502593(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of ES532225A0 publication Critical patent/ES532225A0/es
Publication of ES8502593A1 publication Critical patent/ES8502593A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous 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
    • H03J5/24—Discontinuous 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
    • H03J5/242—Discontinuous 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

  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Amplifiers (AREA)

Abstract

DISPOSICION DE CIRCUITO DE ENTRADA PARA APARATOS RECEPTORES DE TELEVISION.COMPRENDE UN PASO DE ENTRADA DE ALTA FRECUENCIA PREVISTO PARA CADA GAMA DE FRECUENCIAS, UN PASO MEZCLADOR, UN FILTRO DE BANDA SINTONIZADA A LA CITADA FRECUENCIA INTERMEDIA Y UN AMPLIFICADOR DE FRECUENCIA INTERMEDIA (9). EL AMPLIFICADOR DE FRECUENCIA INTERMEDIA (9) SE ENCUENTRA CONECTADO A TRAVES DE UN TRANSFORMADOR DE IMPEDANCIA (13) A LAS SALIDAS DE LOS FILTROS DE BANDA DE LA FRECUENCIA INTERMEDIA (5, 8) DE MANERA QUE LAS SALIDAS DE LOS FILTROS (5, 8) ESTAN A SU VEZ CONECTADAS POR MEDIO DE UNOS DIODOS DE DESACOPLAMIENTO (10, 11) INTERCONECTABLES OPCIONALMENTE PARA LAS ETAPAS DE VHF/UHF (2, 4, 3, 6, 7) A LA ENTRADA DEL TRANSFORMADOR DE IMPEDANCIA (13).
ES532225A 1983-05-19 1984-05-04 Disposicion de circuito de entrada para aparatos receptores de television Expired ES8502593A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3318197A DE3318197C1 (de) 1983-05-19 1983-05-19 Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete

Publications (2)

Publication Number Publication Date
ES532225A0 ES532225A0 (es) 1985-01-01
ES8502593A1 true ES8502593A1 (es) 1985-01-01

Family

ID=6199364

Family Applications (1)

Application Number Title Priority Date Filing Date
ES532225A Expired ES8502593A1 (es) 1983-05-19 1984-05-04 Disposicion de circuito de entrada para aparatos receptores de television

Country Status (8)

Country Link
US (1) US4596045A (es)
EP (1) EP0126354B1 (es)
DE (2) DE3318197C1 (es)
DK (1) DK243984A (es)
ES (1) ES8502593A1 (es)
GR (1) GR81672B (es)
HK (1) HK9896A (es)
IN (1) IN161996B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318197C1 (de) * 1983-05-19 1984-10-04 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete
DE3507865A1 (de) * 1985-03-06 1986-09-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen tuner zur umschaltung mehrerer frequenzbereiche
FR2608862A1 (fr) * 1986-12-19 1988-06-24 Radiotechnique Ind & Comm Commutateur electronique a tres haute frequence
JPS6429129A (en) * 1987-07-24 1989-01-31 Sharp Kk Low noise converter for satellite broadcast reception
CA1329640C (en) * 1987-07-24 1994-05-17 Miyoshi Yamauchi Outdoor unit low noise converter for satellite broadcast reception use
JPH0336243U (es) * 1989-08-22 1991-04-09
GB2251147B (en) * 1990-10-01 1994-10-26 Motorola Inc Filter switching circuit
GB2266206B (en) * 1992-04-03 1996-01-17 Prod Art Co Ltd Pager
GB2277649B (en) * 1992-12-22 1997-04-02 Motorola Inc RF antenna switch and method of operating the same
JP3449558B2 (ja) * 1992-12-22 2003-09-22 モトローラ・インコーポレイテッド Ｒｆアンテナ・スイッチおよびその動作方法
EP0683561A1 (en) * 1994-05-18 1995-11-22 Guan-Wu Wang Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers
US5628056A (en) * 1994-05-26 1997-05-06 Econologic Technologies Apparatus for converting TV audio signals for reception on a nearby AM and/or FM receiver
US6442382B1 (en) * 1997-06-27 2002-08-27 Agere Systems Guardian Corp. Filter switching system and method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108264B (de) * 1960-01-12 1961-06-08 Standard Elektrik Lorenz Ag Fernsehempfaenger mit UEberlagerungs- und Mischstufen zum wahlweisen Empfang von VHF-Baendern und UHF-Baendern
US3268816A (en) * 1963-11-22 1966-08-23 Ibm Adaptive communications system incorporating receiver selection of communications channel
FR1403806A (fr) * 1964-05-13 1965-06-25 R Derveaux Lab Téléviseur à transistors avec commutation uhf-vhf réalisée par diodes
US3696302A (en) * 1970-10-30 1972-10-03 Standard Kollsman Ind Inc Uhf-vhf varactor tuner amplifying band conversion
DE2311109A1 (de) * 1973-03-06 1974-09-12 Licentia Gmbh Eingangsschaltung fuer geraete der nachrichtentechnik mit getrennten abstimmaggregaten fuer zwei frequenzbereiche
US4227156A (en) * 1977-12-01 1980-10-07 Licentia Patent-Verwaltungs-G.M.B.H. Circuit for at least two frequencies
DE2753578A1 (de) * 1977-12-01 1979-06-07 Licentia Gmbh Schaltung, die wechselweise mit mindestens zwei ueber einen gemeinsamen anschluss gefuehrten frequenzen betrieben wird
GB2025178B (en) * 1978-07-07 1982-09-02 Gen Instrument Corp Mixing and bandswitching in a multi-band tuner system
GB2049325B (en) * 1979-04-20 1983-10-26 Rca Corp Tuning a trap circuit
JPS5822890B2 (ja) * 1979-12-07 1983-05-12 沖電気工業株式会社 ダイバ−シチ受信の切換方式
US4379271A (en) * 1980-08-25 1983-04-05 Rca Corporation Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system
DE3318197C1 (de) * 1983-05-19 1984-10-04 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete

Also Published As

Publication number Publication date
GR81672B (es) 1984-12-12
DK243984A (da) 1984-11-20
DE3484148D1 (de) 1991-04-04
HK9896A (en) 1996-01-26
IN161996B (es) 1988-03-12
DK243984D0 (da) 1984-05-17
DE3318197C1 (de) 1984-10-04
EP0126354A2 (de) 1984-11-28
US4596045A (en) 1986-06-17
EP0126354A3 (en) 1986-02-19
EP0126354B1 (de) 1991-02-27
ES532225A0 (es) 1985-01-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970303