IT1175304B - Sistema di sintonizzazione per un ricevitore televisivo multibanda - Google Patents

Sistema di sintonizzazione per un ricevitore televisivo multibanda

Info

Publication number
IT1175304B
IT1175304B IT20349/83A IT2034983A IT1175304B IT 1175304 B IT1175304 B IT 1175304B IT 20349/83 A IT20349/83 A IT 20349/83A IT 2034983 A IT2034983 A IT 2034983A IT 1175304 B IT1175304 B IT 1175304B
Authority
IT
Italy
Prior art keywords
television receiver
tuning system
multiband
multiband television
tuning
Prior art date
Application number
IT20349/83A
Other languages
English (en)
Other versions
IT8320349A0 (it
Inventor
Max Ward Muterspaugh
Robert Michael Evans
Original Assignee
Rca Corp
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
Priority claimed from US06/363,567 external-priority patent/US4418427A/en
Priority claimed from US06/363,570 external-priority patent/US4418428A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of IT8320349A0 publication Critical patent/IT8320349A0/it
Application granted granted Critical
Publication of IT1175304B publication Critical patent/IT1175304B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • 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
    • H03J5/246—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 using electronic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
IT20349/83A 1982-03-30 1983-03-29 Sistema di sintonizzazione per un ricevitore televisivo multibanda IT1175304B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/363,567 US4418427A (en) 1982-03-30 1982-03-30 Tuning system for a multi-band television receiver
US06/363,570 US4418428A (en) 1982-03-30 1982-03-30 Tuning system for a multi-band television receiver

Publications (2)

Publication Number Publication Date
IT8320349A0 IT8320349A0 (it) 1983-03-29
IT1175304B true IT1175304B (it) 1987-07-01

Family

ID=27002116

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20349/83A IT1175304B (it) 1982-03-30 1983-03-29 Sistema di sintonizzazione per un ricevitore televisivo multibanda

Country Status (8)

Country Link
KR (1) KR920002761B1 (it)
AT (1) AT386309B (it)
DE (1) DE3311640A1 (it)
FI (1) FI75962C (it)
FR (1) FR2530907B1 (it)
GB (1) GB2117588B (it)
HK (1) HK54389A (it)
IT (1) IT1175304B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598423A (en) * 1985-02-28 1986-07-01 Rca Corporation Tuning circuit for a multiband tuner
US4658437A (en) * 1985-03-01 1987-04-14 Rca Corporation Tuning voltage tracking arrangement
DE4132907A1 (de) * 1991-10-04 1993-04-08 Thomson Brandt Gmbh Filteranordnung
DE4318276A1 (de) * 1993-06-03 1994-12-08 Thomson Brandt Gmbh Fernsehtuner für terrestrischen Empfang und Satellitenempfang
DE19628186A1 (de) * 1996-07-12 1998-01-15 Philips Patentverwaltung Umschaltbares Bandfilter für Mehrband-Tuner
US6043721A (en) * 1998-02-04 2000-03-28 Motorola, Inc. Dual band amplifier
US6134452A (en) * 1998-11-23 2000-10-17 Motorola, Inc. Multiple band mixer with common local oscillator
US6298224B1 (en) * 1999-02-22 2001-10-02 Motorola, Inc. Multiple frequency band receiver
JP2002118795A (ja) * 2000-10-05 2002-04-19 Alps Electric Co Ltd テレビジョン信号受信チューナー
GB0122983D0 (en) 2001-09-25 2001-11-14 Zarlink Semiconductor Ltd Rdio fequency tuner front end and tuner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297171B (de) * 1967-10-28 1969-06-12 Marcus Elektronik Gmbh Abstimmeinrichtung fuer hochfrequente elektrische Schwingungen im UHF- und VHF-Bereich
DE2828838C2 (de) * 1977-07-01 1983-10-20 Hitachi, Ltd., Tokyo HF-Eingangsschaltung für Fernsehempfänger
US4189678A (en) * 1977-08-18 1980-02-19 Sanyo Electric Co., Ltd. Combination VHF-UHF tuner for use in a television receiver
JPS6038063B2 (ja) * 1978-05-29 1985-08-29 株式会社日立製作所 テレビ用チュ−ナ回路
JPS6017276B2 (ja) * 1979-07-02 1985-05-01 松下電器産業株式会社 多方式テレビジョン受像機
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver

Also Published As

Publication number Publication date
DE3311640A1 (de) 1983-10-13
FR2530907B1 (fr) 1992-02-14
DE3311640C2 (it) 1990-03-22
FI830993A0 (fi) 1983-03-23
FR2530907A1 (fr) 1984-01-27
GB8308098D0 (en) 1983-05-05
AT386309B (de) 1988-08-10
FI830993L (fi) 1983-10-01
FI75962C (fi) 1988-08-08
GB2117588A (en) 1983-10-12
KR920002761B1 (ko) 1992-04-02
HK54389A (en) 1989-07-14
IT8320349A0 (it) 1983-03-29
FI75962B (fi) 1988-04-29
ATA112883A (de) 1987-12-15
GB2117588B (en) 1985-11-27
KR840004640A (ko) 1984-10-22

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970327